@charset "UTF-8";@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";@import"https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0";@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";.student-login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--student-bg);transition:background-color .3s ease}.student-login-card{width:100%;max-width:440px;background:var(--student-surface);border:1px solid var(--student-border);border-radius:24px;box-shadow:var(--student-card-shadow);padding:36px 32px 28px;display:grid;gap:22px;transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease}.student-login-header{text-align:center}.student-login-header h1{margin:0;font-size:28px;font-weight:800;color:var(--student-text)}.student-login-header p{margin:8px auto 0;max-width:320px;color:var(--student-text-muted);font-size:14px;line-height:1.5}.student-login-form{display:grid;gap:16px}.student-login-field{display:grid;gap:6px}.student-login-field span{font-size:13px;font-weight:600;color:var(--student-text)}.student-login-field input{min-height:42px;border-radius:10px;border:1px solid var(--student-border);background:var(--student-surface-soft);color:var(--student-text);padding:9px 12px;font-family:inherit;font-size:14px;outline:none;transition:all .2s ease}.student-login-field input:focus{border-color:var(--student-primary);box-shadow:0 0 0 3px #1118271a}.student-login-checkbox{display:flex;align-items:center;gap:8px;color:var(--student-text);font-size:13px}.student-login-submit{min-height:46px;border:none;border-radius:14px;background:var(--student-primary);color:var(--student-surface);font-size:15px;font-weight:700;cursor:pointer;box-shadow:var(--student-shadow);transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease,background-color .18s ease}.student-login-submit:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.student-login-submit:disabled{cursor:not-allowed;opacity:.65;box-shadow:none}:root.dark .student-login-submit{color:#111827}.student-login-error{margin:0;border-radius:10px;border:1px solid #fecaca;background:#fef2f2;color:#b91c1c;padding:10px 12px;font-size:14px}.login-alt-entry{margin:4px 0 0;text-align:center;font-size:13px;color:var(--student-text-muted);opacity:.8}.login-alt-entry a{color:var(--student-text);font-weight:700;text-decoration:none}.student-login-footer{margin-top:2px;padding-top:22px;border-top:1px dashed var(--student-border);display:flex;align-items:center;justify-content:center;gap:12px;min-height:38px}.student-login-footer-label{font-size:13px;font-weight:600;color:var(--student-text);opacity:.72}.theme-toggle-btn{background:var(--student-surface-soft);border:1px solid var(--student-border);border-radius:9999px;width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;transition:all .2s ease;box-sizing:border-box}.login-lang-wrapper{display:flex;align-items:center;gap:8px;background:var(--student-surface-soft);border:1px solid var(--student-border);padding:6px 14px;min-height:38px;margin-top:2px;box-sizing:border-box;border-radius:99px;transition:all .2s ease}.login-lang-wrapper:hover{border-color:var(--student-text-muted)}.lang-select-auth{background:transparent;border:none;font-size:13px;font-weight:600;color:var(--student-text);cursor:pointer;outline:none;padding-right:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none}.lang-select-auth option{background:var(--student-surface);color:var(--student-text)}.student-dashboard-layout{min-height:100vh;background:var(--student-bg);color:var(--student-text);padding-top:calc(76px + var(--navbar-banner-height, 0px));transition:background-color .3s ease,color .3s ease,padding-top .3s ease;display:flex;flex-direction:column}@media(max-width:768px){.student-dashboard-layout{padding-top:calc(60px + var(--navbar-banner-height, 0px))}}.student-navbar{position:fixed;top:0;left:0;right:0;height:76px;background:var(--student-navbar-bg);border-bottom:1px solid var(--student-navbar-border);box-shadow:var(--student-shadow);z-index:1000;display:flex;align-items:center;transition:all .3s ease}@media(max-width:768px){.student-navbar{height:60px}}.upcoming-exams-banner{position:fixed;top:76px;left:0;right:0;height:38px;background:linear-gradient(135deg,#d97706f2,#f59e0bf2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.15);box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;z-index:999;display:flex;align-items:center;justify-content:space-between;padding:0 24px;color:#fff;font-size:.85rem;font-weight:600;transition:all .3s ease}@media(max-width:768px){.upcoming-exams-banner{top:60px;height:auto;min-height:38px;padding:6px 16px}}.upcoming-exams-banner .banner-content{display:flex;align-items:center;gap:12px;width:100%;max-width:1320px;margin:0 auto;padding:0 24px}@media(max-width:768px){.upcoming-exams-banner .banner-content{flex-direction:column;align-items:flex-start;gap:6px;padding-right:16px}}.upcoming-exams-banner .banner-icon{font-size:1rem;flex-shrink:0}.upcoming-exams-banner .banner-text{line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media(max-width:768px){.upcoming-exams-banner .banner-text{white-space:normal;overflow:visible}}.upcoming-exams-banner .banner-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}@media(max-width:768px){.upcoming-exams-banner .banner-actions{margin-left:0;width:100%}}.upcoming-exams-banner .banner-btn{background:#ffffff26;border:1px solid rgba(255,255,255,.3);color:#fff;padding:3px 10px;border-radius:99px;font-size:.75rem;font-weight:700;cursor:pointer;text-decoration:none;transition:all .2s ease;display:inline-flex;align-items:center;gap:4px}.upcoming-exams-banner .banner-btn:hover{background:#fff;color:#b45309;border-color:#fff;transform:translateY(-1px)}.upcoming-exams-banner .banner-btn:active{transform:translateY(0)}.upcoming-exams-banner .banner-close-btn{background:transparent;border:none;color:#fffc;font-size:1.25rem;cursor:pointer;padding:0 4px;line-height:1;transition:color .2s;margin-left:12px}.upcoming-exams-banner .banner-close-btn:hover{color:#fff}.student-navbar-inner{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}@media(max-width:768px){.student-navbar-inner{padding:0 16px;gap:10px}}.navbar-left{display:flex;align-items:center;gap:10px;cursor:pointer;flex-shrink:0}.navbar-left .logo-icon{width:38px;height:38px;object-fit:contain}@media(max-width:768px){.navbar-left .logo-icon{width:32px;height:32px}}.navbar-left .logo-text{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;color:var(--student-text);white-space:nowrap}@media(max-width:480px){.navbar-left .logo-text{display:none}}.navbar-middle{display:flex;align-items:center;gap:28px}.navbar-middle .nav-item{font-size:.95rem;font-weight:600;color:var(--student-text-muted);text-decoration:none;padding:8px 4px;position:relative;transition:color .2s ease}.navbar-middle .nav-item:hover,.navbar-middle .nav-item--active{color:var(--student-text)}.navbar-middle .nav-item--active:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--student-primary);border-radius:99px}.navbar-right{display:flex;align-items:center;gap:16px;flex-shrink:0}@media(max-width:768px){.navbar-right{gap:10px}}@media(max-width:600px){.navbar-right{gap:6px}}.navbar-right .theme-toggle-btn{background:var(--student-surface-soft);border:1px solid var(--student-border);border-radius:9999px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.05rem;transition:all .2s ease;box-sizing:border-box}.navbar-right .theme-toggle-btn:hover{background:var(--student-border);transform:scale(1.05)}@media(max-width:768px){.navbar-right .theme-toggle-btn{width:36px;height:36px;font-size:.95rem}}@media(max-width:600px){.navbar-right .theme-toggle-btn{width:32px;height:32px;font-size:.85rem}}.navbar-right .login-lang-wrapper{height:40px;padding:0 .75rem;box-sizing:border-box;border-radius:9999px;background:var(--student-surface-soft);border:1px solid var(--student-border);display:flex;align-items:center;gap:6px;transition:border-color .2s}.navbar-right .login-lang-wrapper:hover{border-color:var(--student-text-muted)}@media(max-width:768px){.navbar-right .login-lang-wrapper{display:none!important}}.navbar-right .login-lang-wrapper .lang-icon{font-size:.9rem}@media(max-width:600px){.navbar-right .login-lang-wrapper .lang-icon{font-size:.8rem}}.navbar-right .login-lang-wrapper .lang-select-auth{font-size:.85rem;font-weight:600;color:var(--student-text);background:transparent;border:none;cursor:pointer;outline:none;padding-right:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none}@media(max-width:600px){.navbar-right .login-lang-wrapper .lang-select-auth{font-size:.75rem;max-width:32px;text-overflow:ellipsis}}.navbar-right .login-lang-wrapper .lang-select-auth option{background:var(--student-surface);color:var(--student-text)}.user-dropdown-container{position:relative}.avatar-trigger{background:transparent;border:none;display:flex;align-items:center;gap:8px;cursor:pointer;padding:6px 10px;border-radius:99px;transition:all .2s}.avatar-trigger:hover{background:var(--student-surface-soft)}@media(max-width:768px){.avatar-trigger{padding:4px 6px;gap:4px}}@media(max-width:600px){.avatar-trigger{padding:2px 4px;gap:0}}.avatar-trigger .trigger-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#4b5563,#111827);color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}@media(max-width:768px){.avatar-trigger .trigger-avatar{width:32px;height:32px;font-size:12px}}@media(max-width:600px){.avatar-trigger .trigger-avatar{width:28px;height:28px;font-size:11px}}.avatar-trigger .trigger-avatar img{width:100%;height:100%;object-fit:cover}.avatar-trigger .trigger-name{font-size:.9rem;font-weight:600;color:var(--student-text);max-width:120px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media(max-width:1024px){.avatar-trigger .trigger-name{display:none}}.avatar-trigger svg{color:var(--student-text-muted);transition:transform .2s}@media(max-width:600px){.avatar-trigger svg{display:none}}.user-dropdown-menu{position:absolute;top:calc(100% + 8px);right:0;width:200px;background:var(--student-surface);border:1px solid var(--student-border);border-radius:14px;box-shadow:0 10px 25px #0000001a;padding:8px;display:flex;flex-direction:column;gap:2px;animation:slideDown .2s ease-out}.user-dropdown-menu .menu-item{background:transparent;border:none;border-radius:8px;padding:10px 12px;font-size:.85rem;font-weight:600;color:var(--student-text);display:flex;align-items:center;gap:8px;text-align:left;width:100%;cursor:pointer;transition:all .15s ease}.user-dropdown-menu .menu-item:hover{background:var(--student-surface-soft);color:var(--student-accent)}.user-dropdown-menu .menu-item--logout:hover{background:#dc262614;color:#dc2626}.user-dropdown-menu .menu-item svg{opacity:.8}.user-dropdown-menu .dropdown-divider{border:0;border-top:1px solid var(--student-border);margin:4px 0}.mobile-menu-btn{display:none;background:var(--student-surface-soft);border:1px solid var(--student-border);border-radius:9999px;color:var(--student-text);cursor:pointer;width:36px;height:36px;align-items:center;justify-content:center;transition:all .2s ease;box-sizing:border-box}.mobile-menu-btn:hover{background:var(--student-border);transform:scale(1.05)}.mobile-menu-btn:active{transform:scale(.95)}@media(max-width:768px){.mobile-menu-btn{display:flex}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.navbar-middle{display:none;position:absolute;top:60px;left:0;right:0;background:var(--student-surface);border-bottom:1px solid var(--student-border);padding:16px;flex-direction:column;align-items:stretch;gap:12px;box-shadow:0 10px 20px #0000000d}.navbar-middle--open{display:flex}.navbar-middle .nav-item{padding:8px 12px;border-radius:8px}.navbar-middle .nav-item:hover{background:var(--student-surface-soft)}.navbar-middle .nav-item--active:after{display:none}}.student-portal{flex:1;display:flex;flex-direction:column;padding:24px;width:100%}@media(max-width:768px){.student-portal{padding:12px}}.student-portal .student-main{max-width:1320px;margin:0 auto;width:100%;display:grid;gap:16px}.student-portal .row{display:flex;flex-wrap:wrap;margin:-10px}.student-portal .col-12,.student-portal .col-sm-6,.student-portal .col-md-6,.student-portal .col-lg-3{width:100%;padding:10px;box-sizing:border-box}@media(min-width:576px){.student-portal .col-sm-6{width:50%}}@media(min-width:992px){.student-portal .col-lg-3{width:25%}}.student-portal .student-hero{background:var(--student-hero-gradient);color:#fff;border-radius:24px;padding:32px;box-shadow:var(--student-shadow);transition:all .3s ease}@media(max-width:768px){.student-portal .student-hero{padding:20px}}.student-portal .student-hero .today{margin:0 0 6px;color:#ffffffb3;font-size:15px;font-weight:500}.student-portal .student-hero h1{margin:0;font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.03em}.student-portal .student-hero .hero-account{margin:8px 0 0;font-size:13px;color:#fff9;background:#ffffff1a;padding:3px 10px;border-radius:6px;display:inline-block}.student-portal .student-hero .hero-subtitle{margin:18px 0 0;font-size:15px;color:#ffffffd9;line-height:1.5}.student-portal .portal-alert{margin:0;border-radius:12px;background:var(--student-surface);border:1px solid var(--student-border);color:var(--student-text);padding:14px 18px;font-size:14px;font-weight:500}.student-portal .portal-alert--error{border-color:#fca5a5;background:#ef444414;color:#ef4444}.student-portal .stats-panel-container{display:grid}.student-portal .stats-collapse-trigger{display:none;width:100%;background:var(--student-surface);border:1px solid var(--student-border);border-radius:16px;padding:14px 20px;font-size:.95rem;font-weight:700;color:var(--student-text);cursor:pointer;align-items:center;justify-content:space-between;transition:all .2s ease;box-shadow:var(--student-shadow)}.student-portal .stats-collapse-trigger:hover{background:var(--student-surface-soft);border-color:var(--student-text-muted)}.student-portal .stats-collapse-trigger svg{transition:transform .25s ease;color:var(--student-text-muted)}.student-portal .stats-collapse-trigger .svg-rotated{transform:rotate(180deg)}@media(max-width:768px){.student-portal .stats-collapse-trigger{display:flex}}.student-portal .stats-content-wrapper{display:block}@media(max-width:768px){.student-portal .stats-content-wrapper{max-height:0;overflow:hidden;padding:0 4px;transition:all .3s cubic-bezier(.4,0,.2,1)}.student-portal .stats-content-wrapper--expanded{max-height:800px;padding:10px 4px;margin-bottom:12px}}.student-portal .stat-card{height:100%;background:var(--student-surface);border:1px solid var(--student-border);border-radius:20px;padding:24px 20px;box-shadow:var(--student-card-shadow);transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;justify-content:center}.student-portal .stat-card h3{margin:0;font-size:32px;font-weight:800;color:var(--student-text);line-height:1}.student-portal .stat-card p{margin:8px 0 0;color:var(--student-text-muted);font-size:14px;font-weight:600}.student-portal .stat-card:hover{transform:translateY(-2px);border-color:var(--student-text-muted);box-shadow:0 12px 30px #0000000f}.student-portal .stat-card.stat-card--clickable{cursor:pointer}.student-portal .classroom-section{display:grid;gap:12px;margin-top:0}.student-portal .section-title{margin:0;color:var(--student-text-muted);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.05em}.student-portal .classroom-tabs{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.student-portal .classroom-tab{border:1px solid var(--student-border);background:var(--student-surface);border-radius:16px;padding:14px 18px;text-align:left;cursor:pointer;width:100%;transition:all .2s ease;box-shadow:var(--student-shadow)}.student-portal .classroom-tab strong{display:block;color:var(--student-text);font-size:.95rem;font-weight:700}.student-portal .classroom-tab span{color:var(--student-text-muted);font-size:12px;display:block;margin-top:4px}.student-portal .classroom-tab:hover{border-color:var(--student-text-muted);background:var(--student-surface-soft)}.student-portal .classroom-tab--active{background:var(--student-surface-soft);box-shadow:0 0 0 2px var(--student-text)}.student-portal .classroom-tab--active strong{color:var(--student-accent)}.student-portal .session-panel{background:var(--student-surface);border:1px solid var(--student-border);border-radius:24px;padding:28px 24px;box-shadow:var(--student-card-shadow);transition:background-color .3s,border-color .3s}.student-portal .session-panel-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:20px}.student-portal .session-panel-header h3{margin:0;font-size:1.4rem;font-weight:800;color:var(--student-text)}.student-portal .btn-filter-trigger{background:var(--student-surface-soft);border:1px solid var(--student-border);border-radius:12px;padding:10px 18px;font-size:.9rem;font-weight:700;color:var(--student-text);cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:var(--student-shadow)}.student-portal .btn-filter-trigger:hover{background:var(--student-surface);border-color:var(--student-text-muted);transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.student-portal .btn-filter-trigger:active{transform:translateY(0)}.student-portal .btn-filter-trigger svg{color:var(--student-text-muted);transition:color .2s}.student-portal .btn-filter-trigger:hover svg{color:var(--student-text)}.student-portal .btn-filter-trigger .filter-badge{background:var(--student-accent);color:#fff;font-size:10px;font-weight:800;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;line-height:1;box-shadow:0 2px 6px #3b82f64d}.student-portal .session-status-badge-container{margin-bottom:12px}.student-portal .session-status-badge{display:inline-flex;align-items:center;gap:6px;font-size:10px;font-weight:800;padding:4px 12px;border-radius:99px;text-transform:uppercase;letter-spacing:.05em;box-shadow:0 2px 4px #00000005}.student-portal .session-status-badge .status-dot{width:6px;height:6px;border-radius:50%}.student-portal .session-status-badge--ongoing{background:#3b82f61f;color:var(--student-accent);border:1px solid rgba(59,130,246,.2)}.student-portal .session-status-badge--ongoing .status-dot{background:var(--student-accent);box-shadow:0 0 6px var(--student-accent);animation:pulse-live-indicator 1.5s infinite}.student-portal .session-status-badge--upcoming{background:#10b9811f;color:#10b981;border:1px solid rgba(16,185,129,.2)}.student-portal .session-status-badge--upcoming .status-dot{background:#10b981}.student-portal .session-status-badge--past{background:var(--student-border);color:var(--student-text-muted);border:1px solid transparent}.student-portal .session-status-badge--past .status-dot{background:var(--student-text-muted)}@keyframes pulse-live-indicator{0%{transform:scale(.9);opacity:.6}50%{transform:scale(1.25);opacity:1;box-shadow:0 0 10px var(--student-accent)}to{transform:scale(.9);opacity:.6}}.student-portal .session-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:20px}@media(max-width:900px){.student-portal .session-grid{grid-template-columns:1fr}}.student-portal .session-col{display:flex}.student-portal .session-item{width:100%;border:1px solid var(--student-border);border-radius:20px;padding:22px;background:var(--student-surface);transition:all .3s cubic-bezier(.25,.8,.25,1);display:flex;flex-direction:column;justify-content:space-between;gap:16px;box-shadow:var(--student-shadow)}.student-portal .session-item:hover{transform:translateY(-4px) scale(1.005);border-color:var(--student-text-muted)}.student-portal .session-item--ongoing{background:linear-gradient(135deg,#3b82f614,#3b82f605);border-color:#3b82f633;border-left:5px solid var(--student-accent)}.student-portal .session-item--ongoing:hover{box-shadow:0 12px 28px #3b82f61f;border-color:#3b82f64d}.student-portal .session-item--ongoing .session-item__header strong{color:var(--student-accent)}.student-portal .session-item--ongoing .session-datetime .session-time-text{background:#3b82f61f;color:var(--student-accent)}.student-portal .session-item--ongoing .session-note{color:var(--student-accent)}.student-portal .session-item--upcoming{background:linear-gradient(135deg,#10b9810f,#10b98103);border-color:#10b98133;border-left:5px solid #10b981}.student-portal .session-item--upcoming:hover{box-shadow:0 12px 28px #10b9811a;border-color:#10b9814d}.student-portal .session-item--upcoming .session-item__header strong{color:#059669}.student-portal .session-item--upcoming .session-datetime .session-time-text{background:#10b9811a;color:#059669}.student-portal .session-item--past{background:linear-gradient(135deg,#64748b0f,#64748b05);border-color:var(--student-border);border-left:5px solid var(--student-text-muted);opacity:.9}.student-portal .session-item--past:hover{box-shadow:0 12px 28px #0000000d;border-color:var(--student-text-muted)}.student-portal .session-item--past .session-item__header strong{color:var(--student-text-muted)}.student-portal .session-item--past .session-datetime .session-time-text{background:var(--student-border);color:var(--student-text-muted)}.student-portal .session-item__header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.student-portal .session-item__header strong{font-size:1.05rem;font-weight:700;color:var(--student-text);line-height:1.4;display:block}.student-portal .session-item__header .session-datetime{margin-top:6px;display:flex;flex-wrap:wrap;align-items:center;gap:6px;color:var(--student-text-muted);font-size:12px}.student-portal .session-item__header .session-datetime .session-date-text{font-weight:600}.student-portal .session-item__header .session-datetime .session-time-group{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.student-portal .session-item__header .session-datetime .session-time-text{color:var(--student-text);font-weight:700;background:var(--student-border);padding:2px 6px;border-radius:4px}.student-portal .session-item__header .session-type-tag{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-size:10px;font-weight:700;text-transform:uppercase;padding:3px 8px;border-radius:6px}.student-portal .session-item__header .session-type-tag--online{background:#3b82f614;color:var(--student-accent)}.student-portal .session-item__header .session-type-tag--online .dot{background:var(--student-accent)}.student-portal .session-item__header .session-type-tag--offline{background:var(--student-border);color:var(--student-text-muted)}.student-portal .session-item__header .session-type-tag--offline .dot{background:var(--student-text-muted)}.student-portal .session-item__header .session-type-tag .dot{width:6px;height:6px;border-radius:50%}.student-portal .session-badges{display:flex;flex-direction:column;gap:6px;align-items:flex-end}.student-portal .session-badges .badge{border-radius:99px;font-size:11px;font-weight:700;padding:4px 10px;white-space:nowrap;text-align:center;min-width:90px}.student-portal .session-badges .badge.badge--success{background:#dcfce7;color:#15803d}.student-portal .session-badges .badge.badge--warning{background:#fef3c7;color:#b45309}.student-portal .session-badges .badge.badge--danger{background:#fee2e2;color:#b91c1c}.student-portal .session-badges .badge.badge--primary{background:#dbeafe;color:#1d4ed8}.student-portal .session-badges .badge.badge--info{background:#e0f2fe;color:#0369a1}.student-portal .session-badges .badge.badge--muted{background:var(--student-border);color:var(--student-text-muted)}.student-portal .session-note{margin:8px 0 0;font-size:13px;color:var(--student-text-muted);line-height:1.45}.student-portal .session-online-box{margin:12px 0;background:var(--student-surface);border:1px solid var(--student-border);border-radius:12px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:16px}.student-portal .session-online-box .online-info strong{color:var(--student-text);font-size:13px;display:block}.student-portal .session-online-box .online-info span{color:var(--student-text-muted);font-size:11px}.student-portal .session-online-box .join-btn{background:var(--student-primary);color:var(--student-surface);padding:8px 14px;border-radius:8px;font-size:12px;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:6px;transition:all .2s}.student-portal .session-online-box .join-btn:hover{opacity:.9}.student-portal .session-files{margin-top:8px;display:grid;gap:10px}.student-portal .file-group{display:flex;flex-direction:column;gap:4px;padding-bottom:8px;border-bottom:1px dashed var(--student-border)}.student-portal .file-group:last-child{border-bottom:none}.student-portal .file-group h4{margin:0 0 2px;font-size:12px;font-weight:700;color:var(--student-text);text-transform:uppercase;letter-spacing:.02em}.student-portal .file-group p{margin:0;font-size:12px;color:var(--student-text-muted)}.student-portal .file-group a{color:var(--student-accent);font-size:13px;text-decoration:none;font-weight:500;display:inline-flex;align-items:center;gap:4px}.student-portal .file-group a:hover{text-decoration:underline}.student-portal .file-group .file-item{display:flex;align-items:center;justify-content:space-between;gap:8px}.student-portal .file-group .file-item .file-delete-btn{background:transparent;border:0;color:#ef4444;font-size:18px;font-weight:700;cursor:pointer;padding:0 4px;opacity:.6;transition:all .15s}.student-portal .file-group .file-item .file-delete-btn:hover{opacity:1}.student-portal .file-group .file-item .file-delete-btn--disabled{opacity:.2;cursor:not-allowed}.student-portal .solution-upload{margin-top:6px}.student-portal .solution-upload .solution-upload__row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.student-portal .solution-upload .btn-upload{display:inline-flex;align-items:center;justify-content:center;background:var(--student-primary);color:var(--student-surface);padding:7px 14px;border-radius:8px;font-size:12px;font-weight:600;border:1px solid var(--student-primary);cursor:pointer;transition:all .2s}.student-portal .solution-upload .btn-upload:hover{opacity:.9;transform:translateY(-.5px)}.student-portal .solution-upload .btn-upload--loading{background:var(--student-border);border-color:var(--student-border);color:var(--student-text-muted);cursor:not-allowed}.student-portal .solution-upload .btn-upload--disabled{background:var(--student-surface-soft);color:var(--student-text-muted);border-color:var(--student-border);cursor:not-allowed;pointer-events:none}.student-portal .solution-upload .upload-error{color:#ef4444;font-size:11px;margin-top:4px}.student-portal .solution-upload .submission-locked-notice{font-size:11px;font-weight:600;color:#ef4444;background:#ef44440d;border:1px solid rgba(239,68,68,.2);border-radius:6px;padding:4px 8px;display:inline-flex;align-items:center;gap:5px}.student-portal .empty-state{border-radius:16px;border:1px dashed var(--student-border);background:var(--student-surface-soft);color:var(--student-text-muted);padding:24px;text-align:center;font-size:14px}.student-portal .portal-pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:24px;padding-top:14px}.student-portal .pg-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--student-border);background:var(--student-surface);display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:700;color:var(--student-text);transition:all .2s}.student-portal .pg-btn:hover:not(:disabled){background:var(--student-surface-soft);border-color:var(--student-text-muted)}.student-portal .pg-btn:disabled{opacity:.4;cursor:not-allowed}.student-portal .pg-info{font-size:13px;font-weight:600;color:var(--student-text-muted)}.student-profile-form{display:grid;gap:18px}.student-profile-form .portal-alert{border-radius:12px;padding:12px 14px;font-size:14px}.student-profile-form .portal-alert--success{border-color:#86efac;background:#22c55e14;color:#16a34a}.student-profile-form .profile-avatar-editor{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;padding:16px;border:1px solid var(--student-border);border-radius:20px;background:var(--student-surface-soft)}.student-profile-form .profile-avatar-preview{width:88px;height:88px;border-radius:24px;background:linear-gradient(135deg,#4b5563,#111827);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;overflow:hidden;border:2px solid var(--student-border)}.student-profile-form .profile-avatar-preview img{width:100%;height:100%;object-fit:cover}.student-profile-form .profile-avatar-actions{display:grid;gap:4px}.student-profile-form .profile-avatar-actions strong{font-size:.95rem;color:var(--student-text)}.student-profile-form .profile-avatar-actions p{margin:0 0 6px;font-size:12px;color:var(--student-text-muted)}.student-profile-form .profile-upload-btn{display:inline-block;background:var(--student-primary);color:var(--student-surface);padding:6px 12px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;width:fit-content}.student-profile-form .profile-upload-btn input{display:none}.student-profile-form .profile-upload-btn:hover{opacity:.9}.student-profile-form .profile-remove-btn{background:transparent;border:none;color:#ef4444;font-size:12px;font-weight:600;cursor:pointer;width:fit-content;padding:4px 0}.student-profile-form .profile-remove-btn:hover{text-decoration:underline}.student-profile-form .profile-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:600px){.student-profile-form .profile-form-grid{grid-template-columns:1fr}}.student-profile-form .profile-form-grid label{display:grid;gap:6px}.student-profile-form .profile-form-grid label span{font-size:12px;font-weight:700;color:var(--student-text)}.student-profile-form .profile-password-card{border:1px solid var(--student-border);border-radius:20px;padding:16px;background:var(--student-surface-soft);display:grid;gap:12px}.student-profile-form .profile-password-card h4{margin:0;font-size:.95rem;font-weight:700;color:var(--student-text)}.student-profile-form .profile-password-card p{margin:0;font-size:11px;color:var(--student-text-muted)}.filter-modal-content{display:grid;gap:14px}.filter-modal-content .filter-subtitle{margin:0 0 4px;font-size:.9rem;color:var(--student-text-muted);font-weight:600}.filter-checkboxes-group{display:flex;flex-direction:column;gap:12px}.filter-checkbox-item{display:flex;align-items:center;gap:14px;padding:16px 20px;background:var(--student-surface-soft);border:1px solid var(--student-border);border-radius:14px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none}.filter-checkbox-item:hover{background:var(--student-border);border-color:var(--student-text-muted);transform:translate(4px)}.filter-checkbox-item input[type=checkbox]{width:22px;height:22px;accent-color:var(--student-accent);cursor:pointer;flex-shrink:0}.filter-checkbox-item .checkbox-label{font-size:1rem;font-weight:700;color:var(--student-text)}.student-schedule-layout{min-height:100vh;background-color:var(--student-bg, #fdf7ff);color:var(--student-text, #1d1b20);padding-top:calc(76px + var(--navbar-banner-height, 0px));padding-bottom:80px}@media(max-width:768px){.student-schedule-layout{padding-top:calc(60px + var(--navbar-banner-height, 0px))}}.schedule-container{max-width:1280px;margin:0 auto;padding:24px 16px}.schedule-grid-cols{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}@media(min-width:1200px){.schedule-grid-cols{grid-template-columns:minmax(0,1fr) 320px;align-items:start}}.schedule-sidebar-col{display:flex;flex-direction:column;gap:20px}.schedule-side-card{background:var(--student-surface, #ffffff);border-radius:24px;box-shadow:0 4px 24px #6750a40d;border:1px solid var(--student-border, #e6e0e9);padding:20px}.schedule-side-card__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.schedule-side-card__header h3{font-size:18px;font-weight:700;color:var(--student-accent, #6750a4);margin:0}.schedule-side-card__empty{color:var(--student-text-muted, #7a7582);font-size:13px;text-align:center;padding:20px 0}.schedule-side-card__list{display:flex;flex-direction:column;gap:12px}.schedule-side-item{width:100%;text-align:left;border:1px solid var(--student-border, #e6e0e9);background:#fff;border-radius:16px;padding:14px;cursor:pointer;transition:all .2s ease}.schedule-side-item:hover{transform:translateY(-1px);border-color:var(--student-accent, #6750a4);box-shadow:0 6px 18px #6750a414}.schedule-side-item--exam{border-left:4px solid #f59e0b}.schedule-side-item--exam .schedule-side-item__cta{color:#b45309}.schedule-side-item--session{border-left:4px solid var(--student-accent, #6750a4)}.schedule-side-item__top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.schedule-side-item__top .session-status-badge{flex-shrink:0}.schedule-side-item__badge,.schedule-side-item__type{font-size:11px;font-weight:700;padding:4px 8px;border-radius:999px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.schedule-side-item__badge{background:#6750a414;color:var(--student-accent, #6750a4);max-width:45%}.schedule-side-item__type{background:#f59e0b1f;color:#b45309;max-width:55%;text-align:right}.schedule-side-item__title{display:block;font-size:14px;font-weight:700;color:var(--student-text, #1d1b20);margin-bottom:6px}.schedule-side-item__meta,.schedule-side-item__submeta{margin:0;font-size:12px;color:var(--student-text-muted, #645a7d);line-height:1.5}.schedule-side-item__submeta{margin-top:4px}.schedule-side-item__cta{display:inline-flex;align-items:center;margin-top:10px;font-size:12px;font-weight:700;color:var(--student-accent, #6750a4)}.schedule-side-item__cta:after{content:"→";margin-left:6px}.schedule-card-box{background:var(--student-surface, #ffffff);border-radius:24px;box-shadow:0 4px 24px #6750a40d;border:1px solid var(--student-border, #e6e0e9);padding:24px}.schedule-box-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:16px}.schedule-box-header h2{font-size:24px;font-weight:700;color:var(--student-accent, #6750a4);margin:0}.text-muted{color:var(--student-text-muted, #645a7d);font-size:14px;margin-top:4px}.view-toggle-group{display:inline-flex;background-color:var(--student-surface-soft, #f8f2fa);border-radius:12px;padding:4px;border:1px solid var(--student-border, #cbc4d2)}.btn-toggle{background:transparent;border:none;font-size:12px;font-weight:700;color:var(--student-text-muted, #645a7d);padding:8px 16px;border-radius:8px;cursor:pointer;transition:all .2s ease}.btn-toggle--active{background-color:#fff;color:var(--student-accent, #6750a4);box-shadow:0 2px 8px #6750a41a}.week-navigation{display:flex;gap:8px}.btn-nav{width:36px;height:36px;border-radius:10px;border:1px solid var(--student-border, #cbc4d2);background:transparent;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--student-accent, #6750a4);transition:all .2s ease}.btn-nav:hover{background-color:var(--student-surface-soft, #f8f2fa);border-color:var(--student-accent, #6750a4)}.date-strip-wrapper{overflow-x:auto;margin-bottom:24px;padding-bottom:8px;-webkit-overflow-scrolling:touch}.date-strip-wrapper::-webkit-scrollbar{height:4px}.date-strip-wrapper::-webkit-scrollbar-track{background:transparent}.date-strip-wrapper::-webkit-scrollbar-thumb{background-color:#6750a41a;border-radius:4px}.date-strip{display:flex;gap:8px;min-width:max-content;padding:4px 2px}.date-chip{flex:1;min-width:56px;height:72px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:16px;border:1px solid var(--student-border, #e6e0e9);background-color:#fff;cursor:pointer;position:relative;transition:all .2s cubic-bezier(.4,0,.2,1)}.date-chip:hover{background-color:var(--student-surface-soft, #f8f2fa);transform:translateY(-2px)}.date-chip--active{background:var(--student-accent, #6750a4)!important;color:#fff!important;border-color:var(--student-accent, #6750a4)!important;box-shadow:0 4px 16px #6750a440}.date-chip--active .date-chip__label{opacity:1}.date-chip--active .date-chip__dot{background-color:#fff}.date-chip--today{border-color:var(--student-accent, #6750a4);font-weight:700}.date-chip__label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;opacity:.8}.date-chip__num{font-size:18px;font-weight:800}.date-chip__dot{width:4px;height:4px;border-radius:50%;background-color:var(--student-accent, #6750a4);position:absolute;bottom:8px}.calendar-wrapper{overflow-x:auto}.fc{--fc-border-color: var(--student-border, #cbc4d2);--fc-today-bg-color: rgba(103, 80, 164, .04);--fc-button-bg-color: var(--student-accent, #6750a4);--fc-button-border-color: var(--student-accent, #6750a4);--fc-button-hover-bg-color: #533f8a;--fc-button-hover-border-color: #533f8a;--fc-button-active-bg-color: #433270;--fc-button-active-border-color: #433270;font-family:inherit}.fc .fc-event{cursor:pointer;padding:3px 6px;border-radius:6px;box-shadow:0 2px 4px #6750a40d;font-size:11px}.fc .fc-header-toolbar{margin-bottom:16px!important;flex-wrap:wrap;gap:8px}.fc .fc-toolbar-title{font-size:16px!important;font-weight:700;color:var(--student-text, #1d1b20)}.fc .fc-col-header-cell-cushion{font-size:12px;font-weight:700;color:var(--student-text, #1d1b20);text-decoration:none}.fc .fc-timegrid-slot-label-cushion{font-size:11px;font-weight:500;color:var(--student-text-muted, #645a7d)}.schedule-loading,.schedule-empty-state{text-align:center;padding:48px 0;color:var(--student-text-muted, #7a7582)}.empty-icon{font-size:40px;margin-bottom:12px}.sessions-timeline{display:flex;flex-direction:column;gap:20px}.timeline-item{display:flex;position:relative}.timeline-accent-bar{width:4px;border-radius:2px;align-self:stretch;margin-right:16px;flex-shrink:0}.timeline-accent-bar--ongoing{background-color:var(--student-accent, #6750a4)}.timeline-accent-bar--upcoming{background-color:#cbc4d2}.timeline-accent-bar--past{background-color:#e6e0e9}.timeline-card{flex:1;background-color:#fff;border:1px solid var(--student-border, #cbc4d2);border-radius:20px;padding:20px;box-shadow:0 2px 12px #6750a405;min-width:0}.timeline-card h3{font-size:16px;font-weight:700;color:var(--student-text, #1d1b20);margin:0 0 6px}.timeline-card__header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:12px}.timeline-meta-top{display:flex;align-items:center;gap:8px;margin-bottom:6px}.session-status-badge{font-size:11px;font-weight:700;display:inline-flex;align-items:center;gap:6px;padding:2px 8px;border-radius:6px;text-transform:uppercase}.session-status-badge--ongoing{background-color:#6750a41a;color:var(--student-accent, #6750a4)}.session-status-badge--ongoing .status-dot{width:6px;height:6px;border-radius:50%;background-color:var(--student-accent, #6750a4);animation:pulse 1.5s infinite}@keyframes pulse{0%{transform:scale(.9);opacity:.6}50%{transform:scale(1.2);opacity:1}to{transform:scale(.9);opacity:.6}}.session-status-badge--upcoming{background-color:#1d1b200d;color:var(--student-text-muted, #7a7582)}.session-status-badge--upcoming .status-dot{width:6px;height:6px;border-radius:50%;background-color:var(--student-text-muted, #7a7582)}.session-status-badge--past{background-color:#1d1b200d;color:var(--student-text-muted, #7a7582);opacity:.7}.session-status-badge--past .status-dot{display:none}.classroom-tag{background-color:#6750a40d;color:var(--student-accent, #6750a4);border:1px solid rgba(103,80,164,.1);font-size:11px;font-weight:600;padding:2px 8px;border-radius:6px}.session-meta-time{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--student-text-muted, #7a7582);font-weight:500}.session-meta-time .separator{color:var(--student-border, #cbc4d2)}.online-action{flex-shrink:0}.btn-join{font-size:12px!important;padding:6px 12px!important;min-height:32px!important;border-radius:8px!important;background-color:#10b981!important;border-color:#10b981!important}.session-desc-note{font-size:13px;line-height:1.5;color:var(--student-text-muted, #494551);background-color:var(--student-surface-soft, #f8f2fa);padding:10px 14px;border-radius:12px;margin:12px 0 0;border-left:3px solid var(--student-accent, #6750a4)}.session-badges{display:flex;gap:8px;margin-top:14px}.badge{font-size:11px;font-weight:700;padding:4px 10px;border-radius:8px;text-transform:uppercase}.badge--success{background-color:#10b9811a;color:#10b981}.badge--warning{background-color:#ffdf93;color:#765b00}.badge--danger{background-color:#ef44441a;color:#ef4444}.badge--info{background-color:#3b82f61a;color:#3b82f6}.badge--muted{background-color:#6b72801a;color:#6b7280}.session-details-files{border-top:1px solid var(--student-border, #e6e0e9);margin-top:16px;padding-top:16px;display:flex;flex-direction:column;gap:16px}.file-grid{display:grid;grid-template-columns:1fr;gap:16px}@media(min-width:576px){.file-grid{grid-template-columns:1fr 1fr}}.file-group{display:flex;flex-direction:column;gap:8px}.file-group h4{font-size:12px;font-weight:700;color:var(--student-text-muted, #645a7d);text-transform:uppercase;margin:0;letter-spacing:.05em}.no-files{font-size:12px;color:var(--student-text-muted, #7a7582);margin:0;font-style:italic}.files-list{display:flex;flex-direction:column;gap:6px}.attachment-link{font-size:13px;color:var(--student-accent, #6750a4);text-decoration:none;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-link:hover{text-decoration:underline}.homework-submission-section{border-top:1px dashed var(--student-border, #cbc4d2);padding-top:16px;margin-top:8px}.homework-submission-section h4{font-size:12px;font-weight:700;color:var(--student-text-muted, #645a7d);text-transform:uppercase;margin:0 0 10px;letter-spacing:.05em}.uploaded-solutions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.solution-file-chip{display:inline-flex;align-items:center;background-color:var(--student-surface-soft, #f8f2fa);border:1px solid var(--student-border, #cbc4d2);border-radius:8px;padding:4px 10px;gap:6px;max-width:100%}.sol-link{font-size:12px;color:var(--student-text, #1d1b20);text-decoration:none;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sol-link:hover{color:var(--student-accent, #6750a4)}.btn-delete-sol{background:transparent;border:none;color:var(--student-text-muted, #7a7582);font-size:16px;cursor:pointer;line-height:1;padding:0 2px;border-radius:4px}.btn-delete-sol:hover{color:#ef4444;background-color:#ef44440d}.upload-actions-wrapper{margin-top:8px}.upload-buttons-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.btn-action-upload{cursor:pointer}.btn-action-upload span{font-size:12px!important;padding:6px 12px!important;min-height:32px!important;border-radius:8px!important;display:inline-flex;align-items:center}.ui-btn--secondary{font-size:12px!important;padding:6px 12px!important;min-height:32px!important;border-radius:8px!important}.locked-text{font-size:12px;color:#765b00;background-color:#ffdf93;padding:6px 12px;border-radius:8px;font-weight:600;margin:0}.upload-error{font-size:11px;color:#ef4444;margin:6px 0 0;font-weight:600}.ai-review-wrapper{display:flex;align-items:center;gap:12px;margin-top:14px;flex-wrap:wrap}.btn-view-ai{background:transparent;border:none;font-size:12px;color:var(--student-accent, #6750a4);font-weight:700;cursor:pointer;padding:4px 8px;border-radius:6px;transition:all .2s ease}.btn-view-ai:hover{background-color:var(--student-surface-soft, #f8f2fa)}.ai-review-details{display:flex;flex-direction:column;gap:16px}.ai-review-score{display:flex;flex-direction:column;align-items:center;padding:16px;background-color:#6750a40d;border-radius:16px;border:1px solid rgba(103,80,164,.1)}.score-label{font-size:14px;color:var(--student-text-muted, #645a7d)}.score-value{font-size:32px;font-weight:800;color:var(--student-accent, #6750a4);margin-top:4px}.ai-review-summary h4{font-size:14px;font-weight:700;margin:0 0 8px;color:var(--student-text, #1d1b20);text-transform:uppercase;letter-spacing:.05em}.ai-review-summary p{font-size:13px;line-height:1.6;color:var(--student-text-muted, #494551);background-color:var(--student-surface-soft, #f8f2fa);padding:12px 16px;border-radius:12px;margin:0}.ai-review-items{display:flex;flex-direction:column;gap:12px}.ai-review-items h4{font-size:14px;font-weight:700;margin:0 0 8px;color:var(--student-text, #1d1b20);text-transform:uppercase;letter-spacing:.05em}.ai-review-item{border:1px solid var(--student-border, #cbc4d2);background-color:#fff;border-radius:12px;padding:12px}.item-point{font-size:13px;color:var(--student-text, #1d1b20);margin:0 0 6px}.item-explanation{font-size:13px;color:var(--student-text-muted, #494551);margin:0 0 8px}.item-suggestion{font-size:12px;background-color:#ffdf93;color:#765b00;padding:6px 10px;border-radius:8px}.answer-sheet-page{display:flex;flex-direction:column;gap:24px;font-family:Times New Roman,Times,serif}.answer-sheet-hero{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:28px;border-radius:24px;color:#fff;background:radial-gradient(circle at top right,rgba(255,255,255,.28),transparent 30%),linear-gradient(135deg,#2563eb,#7c3aed);box-shadow:0 20px 50px #2563eb33}.answer-sheet-hero h1{margin:0;font-size:clamp(1.7rem,3vw,2.5rem)}.eyebrow{margin:0 0 8px;font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;opacity:.82}.hero-description{max-width:780px;margin:12px 0 0;line-height:1.65;opacity:.92}.primary-action,.secondary-action{border:0;border-radius:14px;font-family:Times New Roman,Times,serif;font-weight:800;cursor:pointer;transition:.2s ease}.primary-action{flex:0 0 auto;padding:14px 22px;color:#2563eb;background:#fff}.primary-action:disabled{cursor:not-allowed;opacity:.55}.secondary-action{width:100%;padding:12px 16px;color:#fff;background:linear-gradient(135deg,#2563eb,#4f46e5)}.builder-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:20px;align-items:start}.question-palette,.section-builder,.sheet-preview-panel{border:1px solid rgba(148,163,184,.28);border-radius:22px;background:#ffffffeb;box-shadow:0 16px 45px #0f172a14}.question-palette{position:sticky;top:88px;padding:18px}.panel-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:16px}.panel-header h2{margin:0;color:#0f172a;font-size:1.08rem}.panel-header span{color:#64748b;font-size:.9rem}.palette-list{display:flex;flex-direction:column;gap:12px}.palette-card{display:flex;gap:12px;align-items:center;width:100%;padding:14px;border:1px dashed #cbd5e1;border-radius:16px;font-family:Times New Roman,Times,serif;text-align:left;background:#f8fafc;cursor:grab;transition:.18s ease}.palette-card:hover{border-color:#2563eb;background:#eff6ff;transform:translateY(-1px)}.palette-card strong,.palette-card small{display:block}.palette-card strong{color:#0f172a}.palette-card small{margin-top:3px;color:#64748b}.palette-icon{display:inline-flex;justify-content:center;align-items:center;width:46px;height:46px;border-radius:14px;color:#fff;font-size:.8rem;font-weight:900;background:linear-gradient(135deg,#2563eb,#7c3aed)}.sheet-settings{display:flex;flex-direction:column;gap:14px;margin-top:20px;padding-top:18px;border-top:1px solid #e2e8f0}.sheet-settings label{display:flex;flex-direction:column;gap:7px;color:#334155;font-size:.95rem;font-weight:700}.sheet-settings input[type=text],.sheet-settings input[type=number]{padding:11px 12px}.sheet-settings input[type=text],.sheet-settings input[type=number],.bulk-select,.bulk-input,.section-title-input{width:100%;border:1px solid #cbd5e1;border-radius:12px;outline:none;color:#0f172a;font-family:Times New Roman,Times,serif;background:#fff}.sheet-settings input[type=text]:focus,.sheet-settings input[type=number]:focus,.bulk-select:focus,.bulk-input:focus,.section-title-input:focus{border-color:#2563eb;box-shadow:0 0 0 4px #2563eb1f}.bulk-add-section{display:flex;flex-direction:column;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid #e2e8f0}.bulk-add-section h3{margin:0;color:#0f172a;font-size:.95rem;font-weight:700}.bulk-add-controls{display:flex;flex-direction:column;gap:10px}.bulk-input-group{display:grid;grid-template-columns:1fr auto;gap:10px}.bulk-select{padding:11px 36px 11px 12px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 12px center;background-size:16px}.bulk-input{padding:11px 12px}.bulk-add-btn{padding:11px 20px;border:0;border-radius:12px;color:#fff;font-family:Times New Roman,Times,serif;font-weight:800;cursor:pointer;background:linear-gradient(135deg,#2563eb,#7c3aed);transition:.18s ease}.bulk-add-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #2563eb40}.bulk-add-btn:active{transform:translateY(0)}.settings-divider{border:0;border-top:1px dashed #cbd5e1;margin:6px 0;width:100%}.checkbox-line{flex-direction:row!important;align-items:center}.builder-workspace{display:grid;grid-template-columns:minmax(360px,.9fr) minmax(520px,1.1fr);gap:20px;min-width:0}.section-builder,.sheet-preview-panel{padding:18px}.section-list{display:flex;flex-direction:column;gap:14px}.builder-section{border:1px solid #e2e8f0;border-radius:18px;overflow:hidden;background:#fff;transition:all .2s ease}.builder-section.active{border-color:#2563eb;box-shadow:0 8px 30px #2563eb14}.builder-section.active .section-title-row{background:#eff6ff}.section-title-row{display:grid;grid-template-columns:minmax(0,1fr) repeat(3,auto);gap:10px;align-items:center;padding:12px;background:#f8fafc;transition:background-color .2s ease}.section-title-input{padding:10px 12px;font-weight:800}.section-range{color:#64748b;font-size:.86rem;white-space:nowrap}.active-badge{font-size:.72rem;font-weight:700;color:#2563eb;background:#dbeafe;padding:4px 10px;border-radius:99px;white-space:nowrap}.icon-button{display:inline-flex;justify-content:center;align-items:center;width:30px;height:30px;border:0;border-radius:10px;color:#64748b;font-family:Times New Roman,Times,serif;background:#e2e8f0;cursor:pointer;font-size:1.2rem}.icon-button:hover{color:#dc2626;background:#fee2e2}.icon-button:disabled{cursor:not-allowed;opacity:.45}.drop-zone{min-height:84px;padding:10px 12px 12px}.empty-drop{display:grid;min-height:68px;place-items:center;border:1px dashed #cbd5e1;border-radius:14px;color:#94a3b8;background:#f8fafc}.drop-line{height:8px;border-radius:999px}.drop-line.active{background:#bfdbfe}.question-row{display:grid;grid-template-columns:38px minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:10px;border:1px solid #e2e8f0;border-radius:14px;background:#fff;cursor:grab}.question-number{display:inline-flex;justify-content:center;align-items:center;width:32px;height:32px;border-radius:10px;color:#fff;font-weight:900;background:#0f172a}.question-kind{color:#334155;font-weight:700;white-space:nowrap}.mini-answer-preview,.answer-options{display:flex;gap:5px;align-items:center}.mini-answer-preview .choice-bubble,.mini-answer-preview .tf-bubble,.answer-options .choice-bubble,.answer-options .tf-bubble{display:inline-flex;justify-content:center;align-items:center;border:1px solid #0f172a;border-radius:999px;color:#0f172a;font-weight:800}.mini-answer-preview .choice-bubble,.mini-answer-preview .tf-bubble{width:24px;height:24px;font-size:.72rem}.fill-preview{width:72px!important;height:1px!important;border-width:0 0 2px!important;border-radius:0!important}.sheet-preview-panel{overflow:auto}.a4-sheet{display:flex;flex-direction:column;gap:16px;width:210mm;margin:0 auto;color:#111827;font-family:Times New Roman,Times,serif;transform-origin:top center}.a4-page{width:210mm;height:297mm;padding:12mm 10mm;overflow:hidden;border:1px solid #d1d5db;background:#fff;box-shadow:0 20px 50px #0f172a26}.sheet-header{margin-bottom:12mm}.sheet-header h2{margin:0;text-align:center;font-size:19px;letter-spacing:.03em;line-height:1.4}.student-info-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:5mm 8mm;margin-top:6mm;font-size:13px}.sheet-section-block{break-inside:avoid;page-break-inside:avoid;margin-top:5mm}.sheet-section-block:first-of-type{margin-top:0}.sheet-section-title{display:flex;justify-content:space-between;gap:8mm;align-items:center;margin-bottom:3mm;padding-bottom:1.5mm;border-bottom:1px solid #111827;font-size:14px}.answer-column-group+.answer-column-group{margin-top:5mm}.answer-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:3mm}.answer-column{border:1px solid #111827;min-height:74mm}.column-title{padding:2mm;border-bottom:1px solid #111827;text-align:center;font-size:12px;font-weight:800}.answer-row{display:grid;grid-template-columns:9mm minmax(0,1fr);align-items:center;min-height:7mm;padding:0 2mm;border-bottom:1px solid #e5e7eb;font-size:12px}.answer-row:last-child{border-bottom:0}.answer-number{font-weight:900}.answer-options .choice-bubble,.answer-options .tf-bubble{width:5mm;height:5mm;font-size:8.5px}.a4-page .answer-options{gap:1mm}.answer-fill-line{align-self:end;margin-bottom:1.5mm;height:1px;border-bottom:1px solid #111827}@media(max-width:1280px){.builder-layout,.builder-workspace{grid-template-columns:1fr}.question-palette{position:static}.a4-sheet{transform:scale(.78);margin-bottom:-62mm}}@media(max-width:760px){.answer-sheet-hero{align-items:stretch;flex-direction:column}.section-title-row,.question-row{grid-template-columns:1fr}.a4-sheet{transform:scale(.48);margin-left:-55mm;margin-bottom:-150mm}}@media print{body *{visibility:hidden}.a4-page,.a4-page *{visibility:visible}.a4-page{position:relative;box-shadow:none;transform:none;page-break-after:always}}.teacher-layout{display:grid;grid-template-columns:260px 1fr;gap:1.5rem;align-items:start}@media(max-width:768px){.teacher-layout{grid-template-columns:1fr}}.teacher-sidebar{background:var(--sm-surface, #ffffff);border:1px solid var(--sm-border, #dbe3f0);border-radius:12px;padding:1rem}.sidebar-title{font-size:.85rem;font-weight:700;color:var(--sm-text-muted, #637083);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid var(--sm-border, #dbe3f0)}.classroom-item{display:flex;align-items:center;gap:.75rem;padding:.65rem .75rem;border-radius:8px;cursor:pointer;transition:background .15s;margin-bottom:.3rem}.classroom-item:hover{background:var(--sm-bg, #f0f4ff)}.classroom-item--active{background:#2563eb1a;color:var(--sm-primary, #3b82f6)}.classroom-item__code{font-size:.7rem;font-weight:700;background:#2563eb1a;color:var(--sm-primary, #3b82f6);padding:.15rem .4rem;border-radius:4px;white-space:nowrap}.classroom-item__info{display:flex;flex-direction:column;min-width:0}.classroom-item__name{font-size:.88rem;font-weight:600;color:var(--sm-text, #1f2937);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.classroom-item__year{font-size:.75rem;color:var(--sm-text-muted, #637083)}.empty-hint{font-size:.83rem;color:var(--sm-text-muted, #637083);text-align:center;padding:1rem 0}.teacher-content{display:flex;flex-direction:column;gap:1.25rem}.teacher-header h2{font-size:1.1rem;font-weight:700}.teacher-search-card{background:var(--sm-surface, #ffffff);border:1px solid var(--sm-border, #dbe3f0);border-radius:12px;padding:1.25rem}.teacher-search-card h3{font-size:.95rem;font-weight:700;margin-bottom:.25rem}.teacher-search-hint{font-size:.82rem;color:var(--sm-text-muted, #637083);margin-bottom:.75rem}.teacher-search-row{display:flex;gap:.75rem}.teacher-search-row .form-input{flex:1;padding:.6rem .85rem;border:1px solid var(--sm-border, #dbe3f0);border-radius:8px;background:var(--sm-bg, #f0f4ff);color:var(--sm-text, #1f2937);font-size:.9rem}.teacher-list h3{font-size:.95rem;font-weight:700;margin-bottom:.75rem}.teacher-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}.teacher-card{background:var(--sm-surface, #ffffff);border:1.5px solid #c4b5fd;border-radius:10px;padding:1rem;display:flex;flex-direction:column;align-items:center;text-align:center;gap:.5rem;position:relative;transition:box-shadow .15s,transform .15s;background:linear-gradient(135deg,#f5f3ff,#ede9fe)}.teacher-card:hover{box-shadow:0 4px 16px #7c3aed26;transform:translateY(-2px)}.teacher-card__avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#6d28d9);display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;color:#fff;overflow:hidden}.teacher-card__info{display:flex;flex-direction:column;gap:.15rem}.teacher-card__name{font-weight:700;color:#1e293b;font-size:.9rem}.teacher-card__email{font-size:.78rem;color:#6d28d9}.teacher-card__spec{font-size:.77rem;color:#475569}.teacher-card__visibility{font-size:.75rem;color:var(--sm-text-muted, #637083)}.teacher-card__remove{margin-top:.5rem;width:100%}.quick-add-dropdown{position:relative}.quick-add-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;cursor:pointer;text-align:left}.quick-add-caret{margin-left:.5rem;color:var(--sm-text-muted, #637083);transition:transform .15s ease}.quick-add-caret--open{transform:rotate(180deg)}.quick-add-menu{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:20;padding:.5rem;border:1px solid var(--sm-border, #dbe3f0);border-radius:10px;background:var(--sm-surface, #ffffff);box-shadow:0 10px 30px #0f172a24}.quick-add-search{margin-bottom:.5rem}.quick-add-options{max-height:260px;overflow-y:auto;display:flex;flex-direction:column;gap:.35rem}.quick-add-option{width:100%;border:1px solid var(--sm-border, #dbe3f0);border-radius:8px;background:var(--sm-surface-soft, #f8faff);padding:.5rem .65rem;cursor:pointer;display:flex;flex-direction:column;align-items:flex-start;gap:.1rem;text-align:left}.quick-add-option:hover{border-color:var(--sm-primary, #3b82f6);background:var(--sm-surface, #ffffff)}.quick-add-option span{font-size:12px;color:var(--sm-text-muted, #637083)}.quick-add-empty{padding:.45rem .3rem .2rem}.quick-add-note{margin-top:-.3rem;margin-bottom:.75rem}.sm-actions-cell{vertical-align:middle;white-space:nowrap}.sm-actions-cell__inner{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.clickable-row{cursor:pointer;transition:background .15s}.clickable-row:hover{background:var(--sm-surface-soft, #f8faff)}@keyframes slideUpFade{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes cardAppear{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.profile-layout{display:grid;grid-template-columns:360px 1fr;gap:1.5rem;align-items:start;margin-top:1.5rem;animation:slideUpFade .6s cubic-bezier(.16,1,.3,1) both}@media(max-width:992px){.profile-layout{grid-template-columns:1fr}}.profile-avatar-section{display:flex;flex-direction:column;gap:1.5rem}.profile-avatar-wrapper,.visibility-card,.profile-form-section{background:#ffffffd9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.7);border-radius:16px;box-shadow:0 10px 30px -10px #2563eb0d,0 1px 3px #2563eb03;padding:2rem;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.profile-avatar-wrapper:hover,.visibility-card:hover,.profile-form-section:hover{box-shadow:0 20px 40px -15px #2563eb1f,0 1px 5px #2563eb08;border-color:#2563eb40}.profile-avatar-wrapper{text-align:center;display:flex;flex-direction:column;align-items:center}.profile-avatar-display{position:relative;width:120px;height:120px;border-radius:50%;overflow:hidden;margin:0 auto 1.5rem;background:linear-gradient(135deg,var(--sm-primary, #3b82f6),var(--sm-primary-dark, #2563eb));display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 4px #fffffff2,0 0 0 6px #3b82f699,0 12px 24px #2563eb26;transition:transform .4s cubic-bezier(.175,.885,.32,1.275),box-shadow .4s ease;cursor:pointer}.profile-avatar-display:hover{transform:scale(1.06);box-shadow:0 0 0 4px #fffffff2,0 0 0 8px var(--sm-primary),0 16px 32px #2563eb40}.profile-avatar-img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.profile-avatar-display:hover .profile-avatar-img{transform:scale(1.08)}.profile-avatar-initials{font-size:2.25rem;font-weight:800;color:#fff;letter-spacing:-.03em;text-shadow:0 2px 4px rgba(0,0,0,.15)}.profile-avatar-actions{display:flex;gap:.75rem;justify-content:center;margin-bottom:.75rem;width:100%}.profile-avatar-hint{font-size:.8rem;color:var(--sm-text-muted, #637083);line-height:1.4}.visibility-card{padding:1.5rem}.visibility-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.visibility-header h3{font-size:1rem;font-weight:700;color:var(--sm-text, #1f2937)}.visibility-header--stack{flex-direction:column;align-items:flex-start;gap:.25rem}.visibility-hint{font-size:.825rem;color:var(--sm-text-muted, #637083);line-height:1.55}.visibility-hint--small{margin-top:.15rem;font-size:.775rem}.toggle-switch{position:relative;display:inline-block;width:46px;height:26px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:#e2e8f0;border-radius:26px;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;border:1px solid rgba(0,0,0,.02)}.toggle-slider:before{content:"";position:absolute;width:20px;height:20px;left:2px;top:2px;background:#fff;border-radius:50%;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #00000014}.toggle-switch input:checked+.toggle-slider{background:var(--sm-success, #16a34a)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px)}.cv-file-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem;width:100%}.profile-download-link{display:inline-flex;align-items:center;gap:.35rem;margin-top:.75rem;color:var(--sm-primary, #3b82f6);text-decoration:none;font-weight:600;font-size:.85rem;transition:color .2s,transform .2s}.profile-download-link:hover{color:var(--sm-primary-dark, #2563eb);transform:translate(2px)}.display-mode-card{margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid rgba(148,163,184,.15);width:100%}.display-mode-card__title{margin:0 0 .85rem;font-size:.875rem;font-weight:700;color:var(--sm-text, #1f2937);letter-spacing:.02em}.display-mode-option{display:flex;align-items:center;gap:.65rem;margin-bottom:.65rem;color:var(--sm-text, #1f2937);font-size:.875rem;font-weight:500;cursor:pointer;padding:.4rem .5rem;border-radius:8px;transition:background .2s}.display-mode-option:hover:not(.display-mode-option--disabled){background:#3b82f60d}.display-mode-option input[type=radio]{width:16px;height:16px;accent-color:var(--sm-primary, #3b82f6);cursor:pointer}.display-mode-option--disabled{opacity:.5;cursor:not-allowed}.profile-form-section{padding:2rem}.form-section{margin-bottom:2.25rem}.form-section:last-child{margin-bottom:0}.form-section-title{font-size:1.1rem;font-weight:800;color:var(--sm-text, #1f2937);margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:2px solid rgba(148,163,184,.1);display:flex;align-items:center;gap:.5rem}.form-section-title:before{content:"";display:inline-block;width:4px;height:18px;background:var(--sm-primary, #3b82f6);border-radius:2px}.form-field{display:block;margin-bottom:1.25rem}.form-label{display:block;font-size:.875rem;font-weight:700;color:var(--sm-text, #1f2937);margin-bottom:.5rem}.form-input{width:100%;padding:.75rem 1rem;border:1px solid var(--sm-border, #dbe3f0);border-radius:10px;background:#f8fafc;color:var(--sm-text, #1f2937);font-size:.925rem;font-family:inherit;transition:all .2s ease;box-sizing:border-box;box-shadow:inset 0 1px 2px #00000005}.form-input:hover:not(:disabled){border-color:#3b82f666;background:#fff}.form-input:focus:not(:disabled){outline:none;border-color:var(--sm-primary, #3b82f6);background:#fff;box-shadow:0 0 0 4px #3b82f61f,inset 0 1px 2px #00000003}.form-input--readonly{opacity:.65;background:#f1f5f9;border-color:#e2e8f0;cursor:not-allowed;box-shadow:none}.form-textarea{resize:vertical;min-height:120px;line-height:1.6}.form-hint{display:block;font-size:.775rem;color:var(--sm-text-muted, #637083);margin-top:.4rem;line-height:1.4}.cv-subsection-card{border:1px solid rgba(148,163,184,.18);border-radius:14px;padding:1.25rem;margin-bottom:1.25rem;background:#f8fafcb3;transition:all .3s ease;position:relative;overflow:hidden;animation:cardAppear .4s cubic-bezier(.16,1,.3,1) both}.cv-subsection-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background .3s ease}.cv-subsection-card:hover{background:#fff;border-color:#3b82f64d;box-shadow:0 4px 15px #2563eb08}.cv-subsection-card:hover:before{background:var(--sm-primary, #3b82f6)}.cv-subsection-actions{display:flex;justify-content:flex-end;margin-top:.75rem}.form-actions{margin-top:2rem;padding-top:1.5rem;border-top:2px solid rgba(148,163,184,.1);display:flex;justify-content:flex-end}.teacher-strip-wrapper{margin-bottom:1.25rem}.teacher-strip-toggle{display:flex;align-items:center;gap:.6rem;width:100%;padding:.75rem 1rem;background:var(--sm-surface, #ffffff);border:1px solid var(--sm-border, #dbe3f0);border-radius:10px;cursor:pointer;color:var(--sm-text, #1f2937);font-size:.9rem;font-weight:600;transition:background .15s,border-color .15s;text-align:left}.teacher-strip-toggle:hover{background:var(--sm-bg, #f0f4ff);border-color:var(--sm-primary, #3b82f6)}.teacher-strip-toggle__icon{color:var(--sm-primary, #3b82f6);flex-shrink:0}.teacher-strip-toggle__text{flex:1;min-width:0;line-height:1.35}.teacher-strip-toggle__count{font-weight:400;color:var(--sm-text-muted, #637083);margin-left:.25rem}.teacher-strip-toggle__arrow{color:var(--sm-text-muted, #637083);transition:transform .25s;flex-shrink:0}.teacher-strip-toggle__arrow.rotated{transform:rotate(180deg)}.teacher-strip-cards{display:flex;flex-wrap:wrap;gap:.75rem;padding:1rem;background:var(--sm-bg, #f0f4ff);border:1px solid var(--sm-border, #dbe3f0);border-top:none;border-radius:0 0 10px 10px;will-change:transform,opacity}.teacher-card{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1rem 1.25rem;border-radius:10px;min-width:150px;flex:1 1 220px;text-align:center;transition:transform .15s,box-shadow .15s}.teacher-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.teacher-card--admin{background:linear-gradient(135deg,#eff6ff,#dbeafe);border:1.5px solid #93c5fd}.teacher-card--teacher{background:linear-gradient(135deg,#f5f3ff,#ede9fe);border:1.5px solid #c4b5fd}.teacher-card__avatar{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;color:#fff;overflow:hidden;flex-shrink:0}.teacher-card__avatar img{width:100%;height:100%;object-fit:cover}.teacher-card__avatar--admin{background:linear-gradient(135deg,#3b82f6,#2563eb)}.teacher-card__avatar--teacher{background:linear-gradient(135deg,#7c3aed,#6d28d9)}.teacher-card__info{display:flex;flex-direction:column;align-items:center;gap:.2rem}.teacher-card__name{font-weight:700;font-size:.9rem;color:#1e293b}.teacher-card__role-badge{font-size:.7rem;font-weight:600;padding:.15rem .5rem;border-radius:20px;letter-spacing:.03em}.badge--admin{background:#dbeafe;color:#1d4ed8}.badge--teacher{background:#ede9fe;color:#6d28d9}.teacher-card__spec{font-size:.75rem;color:#64748b;margin-top:.1rem}.teacher-card__btn{padding:.35rem .85rem;border-radius:6px;font-size:.78rem;font-weight:600;border:none;cursor:pointer;transition:opacity .15s,transform .1s}.teacher-card__btn:hover{opacity:.85;transform:scale(1.03)}.teacher-card__btn--admin{background:#3b82f6;color:#fff}.teacher-card__btn--teacher{background:#7c3aed;color:#fff}.strip-collapse-enter-active,.strip-collapse-leave-active{transition:opacity .18s ease,transform .18s ease;transform-origin:top;will-change:transform,opacity}.strip-collapse-enter-from,.strip-collapse-leave-to{opacity:0;transform:translateY(-6px)}@media(max-width:768px){.teacher-strip-toggle{padding:.75rem .875rem;align-items:flex-start}.teacher-strip-toggle__text{white-space:normal;word-break:break-word}.teacher-strip-cards{padding:.75rem;gap:.65rem}.teacher-card{flex:1 1 100%;min-width:0;padding:.9rem 1rem}.teacher-card__name{font-size:.88rem}.teacher-card__spec{font-size:.72rem}.teacher-card__btn{width:100%;max-width:220px}}@media(max-width:480px){.teacher-strip-toggle{gap:.45rem;padding:.7rem .8rem}.teacher-strip-toggle__icon svg,.teacher-strip-toggle__arrow svg{width:16px;height:16px}.teacher-strip-toggle__text{font-size:.85rem}.teacher-card__avatar{width:52px;height:52px;font-size:1.05rem}}.landing-page{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--student-bg);color:var(--student-text);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;transition:background-color .3s ease,color .3s ease}.landing-navbar{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;position:relative;z-index:10;border-bottom:1px solid var(--student-border)}.landing-navbar-left{display:flex;align-items:center;gap:.75rem;cursor:pointer}.landing-page .logo-icon{width:42px;height:42px;object-fit:contain}.landing-page .logo-text{font-size:1.35rem;font-weight:800;letter-spacing:-.02em;color:var(--student-text);white-space:nowrap}.landing-navbar-right{display:flex;align-items:center;gap:1rem}@media(max-width:768px){.landing-navbar{padding:1rem}.landing-page .logo-text{font-size:1.1rem}.landing-navbar-right{gap:.5rem}.landing-btn-nav{height:36px!important;padding:0 1rem!important}.login-lang-wrapper{height:36px!important;padding:0 .75rem!important}.landing-btn-large{height:44px!important;padding:0 1.5rem!important;font-size:.95rem!important}}@media(max-width:480px){.landing-page .logo-text{display:none}}.theme-toggle-btn{background:var(--student-surface-soft);border:1px solid var(--student-border);border-radius:9999px;width:42px;height:42px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.1rem;transition:all .2s ease;box-sizing:border-box}.theme-toggle-btn:hover{background:var(--student-border);transform:scale(1.05)}@media(max-width:768px){.theme-toggle-btn{width:36px!important;height:36px!important;font-size:.95rem!important}}.landing-btn-nav{height:42px!important;padding:0 1.25rem!important;border-radius:9999px!important;font-size:.9rem!important;font-weight:600!important;white-space:nowrap;box-sizing:border-box}.ui-btn--primary.landing-btn-nav,.landing-btn-nav.login-submit,.ui-btn--primary.landing-btn-large,.landing-btn-large.login-submit{background-color:var(--student-primary)!important;color:var(--student-surface)!important;border:1px solid var(--student-primary)!important;box-shadow:var(--student-shadow)!important;transition:all .2s ease!important}:root.dark .ui-btn--primary.landing-btn-nav,:root.dark .landing-btn-nav.login-submit,:root.dark .ui-btn--primary.landing-btn-large,:root.dark .landing-btn-large.login-submit{color:#111827!important}.ui-btn--primary.landing-btn-nav:hover,.landing-btn-nav.login-submit:hover,.ui-btn--primary.landing-btn-large:hover,.landing-btn-large.login-submit:hover{opacity:.9;transform:scale(1.02)}.landing-page .login-lang-wrapper{height:42px!important;padding:0 1rem!important;box-sizing:border-box!important;border-radius:9999px!important;background:var(--student-surface-soft)!important;border:1px solid var(--student-border)!important}.landing-page .lang-select-auth{font-size:.9rem!important;color:var(--student-text)!important;height:100%!important;padding-right:4px!important;margin:0!important}.landing-page .lang-select-auth option{background:var(--student-surface);color:var(--student-text)}.landing-page .lang-icon{font-size:1rem!important}.hero-section{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:4rem 2rem;text-align:center}.hero-content{max-width:800px}.hero-title,.hero-subtitle,.hero-actions{opacity:0;transform:translateY(30px);transition:opacity 1.2s cubic-bezier(.16,1,.3,1),transform 1.2s cubic-bezier(.16,1,.3,1)}.stagger-1{opacity:1;transform:translateY(0);transition-delay:.1s}.stagger-2{opacity:1;transform:translateY(0);transition-delay:.3s}.stagger-3{opacity:1;transform:translateY(0);transition-delay:.5s}.hero-title{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:800;line-height:1.15;letter-spacing:-.04em;margin-bottom:1.5rem;color:var(--student-text)}.hero-subtitle{font-size:clamp(1.125rem,2vw,1.25rem);color:var(--student-text-muted);margin-bottom:3rem;line-height:1.6;font-weight:500;max-width:600px;margin-left:auto;margin-right:auto}.hero-actions{display:flex;gap:1rem;justify-content:center}.landing-btn-large{height:52px!important;padding:0 2rem!important;border-radius:9999px!important;font-size:1.05rem!important;font-weight:600!important;white-space:nowrap;box-sizing:border-box}.ui-btn--secondary.landing-btn-large{background-color:transparent!important;color:var(--student-text)!important;border:1px solid var(--student-border)!important}.ui-btn--secondary.landing-btn-large:hover{background-color:var(--student-surface-soft)!important;border-color:var(--student-text-muted)!important}.documents-page{--glass-bg: rgba(255, 255, 255, .45);--glass-border: rgba(255, 255, 255, .4);--glass-glow: rgba(59, 130, 246, .08);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .05);width:100%;max-width:100%;margin:0;padding:10px 0}.dark .documents-page{--glass-bg: rgba(22, 30, 46, .55);--glass-border: rgba(255, 255, 255, .06);--glass-glow: rgba(96, 165, 250, .05);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .25)}.documents-header{display:flex;align-items:center;gap:20px;margin-bottom:28px}.documents-header .header-icon-container{display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--sm-primary, #3b82f6) 0%,#8b5cf6 100%);box-shadow:0 8px 24px #3b82f640;color:#fff}.documents-header .header-icon-container .header-icon{width:32px;height:32px}.documents-header .header-text h1{font-size:28px;font-weight:800;letter-spacing:-.02em;margin:0;background:linear-gradient(135deg,var(--sm-text, #1f2937) 30%,#4b5563 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.documents-header .header-text p{margin:6px 0 0;color:var(--sm-text-muted, #637083);font-size:15px}.dark .documents-header .header-text h1{background:linear-gradient(135deg,#f9fafb 30%,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.glass-card{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:var(--glass-shadow);padding:24px;position:relative;overflow:hidden}.glass-card:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 80% 20%,var(--glass-glow) 0%,transparent 60%);pointer-events:none}.selector-header{margin-bottom:14px}.selector-header h3{margin:0;font-size:16px;font-weight:700;color:var(--sm-text, #1f2937)}.selector-header p{margin:4px 0 0;font-size:13px;color:var(--sm-text-muted, #637083)}.selector-loading{font-size:13px;color:var(--sm-text-muted, #637083)}.classroom-selector{display:flex;flex-wrap:wrap;gap:8px}.classroom-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid var(--sm-border, #dbe3f0);background:var(--sm-surface, #fff);color:var(--sm-text, #1f2937);cursor:pointer;transition:all .2s ease}.classroom-chip:hover{border-color:var(--sm-primary, #3b82f6);color:var(--sm-primary, #3b82f6)}.classroom-chip--active{background:#3b82f61a;border-color:var(--sm-primary, #3b82f6);color:var(--sm-primary, #3b82f6)}.classroom-chip__name{font-weight:600;font-size:13px}.classroom-chip__code{font-size:12px;color:var(--sm-text-muted, #637083)}.dark .selector-header h3{color:var(--student-text, #f9fafb)}.dark .classroom-chip{border-color:var(--student-border, #243048);background:var(--student-surface-soft, #1f2937);color:var(--student-text, #f9fafb)}.dark .classroom-chip--active{border-color:var(--student-accent, #60a5fa);color:var(--student-accent, #60a5fa);background:#60a5fa1f}.dark .classroom-chip__code{color:var(--student-text-muted, #94a3b8)}.toolbar-glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px;box-shadow:var(--glass-shadow);padding:16px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.search-box{display:flex;align-items:center;position:relative;flex:1;min-width:260px}.search-box .search-icon{position:absolute;left:14px;font-size:16px;color:var(--sm-text-muted, #637083);pointer-events:none;display:flex;align-items:center;justify-content:center}.search-box .search-input{padding-left:40px;padding-right:36px;height:42px;border-radius:10px;border:1px solid var(--sm-border, #dbe3f0);background:var(--sm-surface, #ffffff);font-size:14px;font-weight:500;transition:all .2s ease}.search-box .search-input:focus{border-color:var(--sm-primary, #3b82f6)}.search-box .clear-search-btn{position:absolute;right:12px;background:none;border:none;font-size:20px;color:var(--sm-text-muted, #637083);cursor:pointer;line-height:1;padding:0}.search-box .clear-search-btn:hover{color:var(--sm-text, #1f2937)}.dark .search-input{border-color:var(--student-border, #243048);background:var(--student-surface-soft, #1f2937);color:var(--student-text, #f9fafb)}.filter-tabs{display:flex;gap:6px;flex-wrap:wrap}.filter-tab-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--sm-text-muted, #637083);font-size:13.5px;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1)}.filter-tab-btn .tab-icon-svg{width:16px;height:16px;stroke:currentColor;transition:transform .2s ease}.filter-tab-btn:hover{color:var(--sm-text, #1f2937);background:#fff9;border-color:#fff6}.filter-tab-btn:hover .tab-icon-svg{transform:scale(1.1)}.filter-tab-btn.active{color:var(--sm-primary, #3b82f6);background:#3b82f614;border-color:#3b82f633;box-shadow:0 2px 10px #3b82f60d}.filter-tab-btn.active .tab-icon-svg{transform:scale(1.1)}.dark .filter-tab-btn:hover{color:var(--student-text, #f9fafb);background:#ffffff0d;border-color:#ffffff14}.dark .filter-tab-btn.active{color:var(--student-accent, #60a5fa);background:#60a5fa1f;border-color:#60a5fa40}.table-container-glass{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:var(--glass-shadow);overflow-x:auto;position:relative}.table-container-glass::-webkit-scrollbar{height:8px}.table-container-glass::-webkit-scrollbar-thumb{background:#ffffff40;border-radius:4px}.table-container-glass::-webkit-scrollbar-track{background:transparent}.premium-glass-table{width:100%;border-collapse:collapse;text-align:left;table-layout:fixed;min-width:0}.premium-glass-table th{padding:16px 20px;font-size:13.5px;font-weight:700;color:var(--sm-text, #1f2937);border-bottom:2px solid var(--glass-border);background:#fff3;text-transform:uppercase;letter-spacing:.05em}.premium-glass-table td{padding:18px 20px;border-bottom:1px solid var(--glass-border);vertical-align:top}.table-row-hover{transition:background .15s ease,transform .15s ease}.table-row-hover:hover{background:#ffffff40}.dark .premium-glass-table th{background:#161e2e66;color:var(--student-text, #f9fafb)}.dark .table-row-hover:hover{background:#ffffff05}.col-session{width:15%}.col-docs,.col-homeworks,.col-quiz,.col-answers,.col-test-files,.col-solution-files{width:21%}.session-info-cell{display:flex;flex-direction:column;gap:8px;min-width:0}.session-title-wrapper{display:flex;align-items:flex-start;gap:8px}.session-indicator-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:6px}.session-indicator-dot.past{background-color:var(--sm-muted, #94a3b8)}.session-indicator-dot.ongoing{background-color:var(--sm-success, #16a34a);box-shadow:0 0 8px var(--sm-success);animation:pulse 1.8s infinite}.session-indicator-dot.upcoming{background-color:var(--sm-warning, #f59e0b)}.session-title{font-size:15px;font-weight:700;color:var(--sm-text, #1f2937);line-height:1.4}.dark .session-title{color:var(--student-text, #f9fafb)}.session-meta-row{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:12.5px;font-weight:500;color:var(--sm-text-muted, #637083)}.session-meta-item{display:inline-flex;align-items:center;gap:4px}.session-meta-item .meta-svg{width:14px;height:14px;stroke:currentColor}.session-status-badges{display:flex;align-items:center;gap:6px;margin-top:2px}.session-type-badge{display:inline-flex;align-items:center;font-size:11px;font-weight:700;padding:3px 8px;border-radius:99px}.session-type-badge.online{background:#3b82f61a;color:var(--sm-primary, #3b82f6)}.session-type-badge.offline{background:#8b5cf61a;color:#8b5cf6}.attachments-cell{display:flex;flex-direction:column;gap:12px}.attachment-group{display:flex;flex-direction:column;gap:6px}.group-label{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--sm-text-muted, #637083);display:inline-flex;align-items:center;gap:4px}.group-label .group-svg{width:12px;height:12px;stroke:currentColor}.file-cards-list{display:flex;flex-direction:column;gap:6px;min-width:0}.file-card-pill{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;text-decoration:none;border:1px solid var(--sm-border, #dbe3f0);background:var(--sm-surface, #ffffff);transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #00000003;min-width:0}.file-card-pill .file-svg{width:16px;height:16px;stroke:currentColor;flex-shrink:0}.file-card-pill .file-details{display:flex;flex-direction:column;flex:1;min-width:0}.file-card-pill .file-name{font-size:13px;font-weight:600;color:var(--sm-text, #1f2937);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-card-pill .file-size{font-size:10.5px;font-weight:600;color:var(--sm-text-muted, #637083);margin-top:1px}.file-card-pill .download-svg{width:14px;height:14px;stroke:currentColor;opacity:0;transform:translateY(2px);transition:all .2s ease}.file-card-pill:hover{transform:translateY(-1.5px);box-shadow:0 4px 8px #0000000d}.file-card-pill:hover .download-svg{opacity:1;transform:translateY(0)}.file-card-pill.doc-theme .file-svg{color:#3b82f6}.file-card-pill.doc-theme:hover{border-color:#3b82f6;background:#3b82f605}.file-card-pill.doc-theme:hover .file-name{color:#2563eb}.file-card-pill.hw-theme .file-svg{color:#10b981}.file-card-pill.hw-theme:hover{border-color:#10b981;background:#10b98105}.file-card-pill.hw-theme:hover .file-name{color:#059669}.file-card-pill.ans-theme .file-svg{color:#f59e0b}.file-card-pill.ans-theme:hover{border-color:#f59e0b;background:#f59e0b05}.file-card-pill.ans-theme:hover .file-name{color:#d97706}.file-card-pill.test-theme .file-svg{color:#8b5cf6}.file-card-pill.test-theme:hover{border-color:#8b5cf6;background:#8b5cf605}.file-card-pill.test-theme:hover .file-name{color:#7c3aed}.dark .file-card-pill{border-color:var(--student-border, #243048);background:var(--student-surface-soft, #1f2937)}.dark .file-card-pill .file-name{color:var(--student-text, #f9fafb)}.visibility-strip{margin-bottom:2px}.visibility-indicator{display:inline-flex;align-items:center;gap:4px;font-size:10px;font-weight:700;padding:2px 8px;border-radius:4px}.visibility-indicator .visibility-svg{width:11px;height:11px;stroke:currentColor}.visibility-indicator.visible{background:#16a34a1a;color:var(--sm-success, #16a34a)}.visibility-indicator.hidden{background:#dc26261a;color:var(--sm-danger, #dc2626)}.no-files-badge{display:inline-block;font-size:12px;font-weight:500;color:var(--sm-text-muted, #637083);font-style:italic;padding:4px 0}.btn-filter-trigger{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--sm-border, #dbe3f0);background:var(--sm-surface, #fff);color:var(--sm-text, #1f2937);font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap}.filter-badge{min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--sm-primary, #3b82f6);color:#fff;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.filter-modal-content{display:flex;flex-direction:column;gap:12px}.filter-subtitle{margin:0;font-size:13px;color:var(--sm-text-muted, #637083)}.filter-checkboxes-group{display:grid;gap:8px}.filter-checkbox-item{display:flex;align-items:center;gap:8px;font-size:14px}.classroom-empty-glass{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--glass-shadow);padding:80px 40px;text-align:center;margin-top:20px;position:relative}.classroom-empty-glass .floating-icons{position:relative;width:140px;height:100px;margin:0 auto 28px}.classroom-empty-glass .floating-icons .icon-bubble-svg{position:absolute;display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%;background:#fff;box-shadow:0 10px 25px #0000000f;color:var(--sm-primary, #3b82f6);animation:float 4s ease-in-out infinite;border:1px solid var(--glass-border)}.classroom-empty-glass .floating-icons .icon-bubble-svg svg{width:24px;height:24px;stroke:currentColor}.classroom-empty-glass .floating-icons .icon-1{top:0;left:10px;animation-delay:0s;color:#3b82f6}.classroom-empty-glass .floating-icons .icon-2{top:30px;left:74px;animation-delay:1s;color:#10b981}.classroom-empty-glass .floating-icons .icon-3{top:-20px;left:45px;animation-delay:2s;color:#8b5cf6}.classroom-empty-glass h2{font-size:22px;font-weight:800;color:var(--sm-text, #1f2937);margin:0 0 10px}.classroom-empty-glass p{font-size:14.5px;color:var(--sm-text-muted, #637083);max-width:380px;margin:0 auto;line-height:1.5}.dark .classroom-empty-glass h2{color:var(--student-text, #f9fafb)}.dark .classroom-empty-glass .floating-icons .icon-bubble-svg{background:var(--student-surface-soft, #1f2937);box-shadow:0 10px 25px #00000040}.empty-glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:var(--glass-shadow);padding:60px 20px;text-align:center}.empty-glass .empty-svg{width:48px;height:48px;stroke:var(--sm-text-muted, #637083);margin:0 auto 16px}.empty-glass h3{font-size:18px;font-weight:700;color:var(--sm-text, #1f2937);margin:0 0 8px}.empty-glass p{font-size:13.5px;color:var(--sm-text-muted, #637083);margin:0}.dark .empty-glass h3{color:var(--student-text, #f9fafb)}.loading-overlay{padding:20px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:20px}.skeleton-table{display:flex;flex-direction:column;gap:16px}.skeleton-row{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid var(--glass-border)}.skeleton-row:last-child{border-bottom:none}.skeleton-cell{height:24px;background:#0000000f;border-radius:6px}.skeleton-cell.w-20{width:20%}.skeleton-cell.w-30{width:30%}.dark .skeleton-cell{background:#ffffff0f}.shimmer{animation:shimmer-anim 1.5s infinite;background:linear-gradient(90deg,#fff0,#fff3 20%,#fff0 60%);background-size:200% 100%}.pagination-glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:14px;box-shadow:var(--glass-shadow);padding:12px 20px;margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.pagination-info{font-size:13.5px;font-weight:600;color:var(--sm-text-muted, #637083)}.pagination-controls{display:flex;align-items:center;gap:6px}.pagination-btn{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 8px;border-radius:8px;border:1px solid var(--sm-border, #dbe3f0);background:var(--sm-surface, #ffffff);color:var(--sm-text, #1f2937);font-size:13.5px;font-weight:600;cursor:pointer;transition:all .2s ease}.pagination-btn .pag-arrow-svg{width:14px;height:14px;stroke:currentColor}.pagination-btn:hover:not(:disabled){border-color:var(--sm-primary, #3b82f6);color:var(--sm-primary, #3b82f6);background:var(--sm-surface-soft, #f8faff)}.pagination-btn:disabled{opacity:.45;cursor:not-allowed}.pagination-btn.active{background:var(--sm-primary, #3b82f6);border-color:var(--sm-primary, #3b82f6);color:#fff;box-shadow:0 4px 10px #3b82f633}.dark .pagination-btn{border-color:var(--student-border, #243048);background:var(--student-surface-soft, #1f2937);color:var(--student-text, #f9fafb)}.dark .pagination-btn:hover:not(:disabled){border-color:var(--student-accent, #60a5fa);color:var(--student-accent, #60a5fa);background:var(--student-surface, #161e2e)}.dark .pagination-btn.active{background:var(--student-accent, #60a5fa);border-color:var(--student-accent, #60a5fa);color:#0b0f19;box-shadow:0 4px 10px #60a5fa40}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}@keyframes pulse{0%{transform:scale(.95);opacity:.8}50%{transform:scale(1.1);opacity:1}to{transform:scale(.95);opacity:.8}}@keyframes shimmer-anim{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-in{animation:fadeIn .4s ease-out forwards}.animate-scale-up{animation:scaleUp .3s cubic-bezier(.34,1.56,.64,1) forwards}.animate-slide-in{animation:slideIn .3s ease-out forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleUp{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes slideIn{0%{opacity:0;transform:translate(-6px)}to{opacity:1;transform:translate(0)}}@media(max-width:900px){.documents-header{flex-direction:column;align-items:flex-start;gap:12px}.documents-header .header-icon-container{width:50px;height:50px;border-radius:12px}.documents-header .header-icon-container .header-icon{width:24px;height:24px}.documents-header .header-text h1{font-size:24px}.toolbar-glass{flex-direction:column;align-items:stretch}.toolbar-glass .search-box{width:100%}.toolbar-glass .filter-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.toolbar-glass .filter-tabs::-webkit-scrollbar{height:4px}.toolbar-glass .filter-tabs::-webkit-scrollbar-thumb{background:#00000014;border-radius:4px}.toolbar-glass .filter-tabs .filter-tab-btn{white-space:nowrap}}.student-grades-page{font-family:Plus Jakarta Sans,sans-serif!important;--primary-color: #2563eb;--on-primary: #ffffff;--bg-color: #faf8ff;--surface-lowest: #ffffff;--surface-container: #ededf9;--surface-container-high: #e7e7f3;--on-surface: #191b23;--on-surface-variant: #434655;--outline-variant: #c3c6d7;--success-color: #006c49;--success-bg: rgba(16, 185, 129, .1);--success-text: #065f46;--warning-color: #784b00;--warning-bg: rgba(245, 158, 11, .1);--warning-text: #b45309;--info-color: #004ac6;--info-bg: rgba(59, 130, 246, .1);--info-text: #1d4ed8;--card-shadow: 0 15px 15px rgba(0, 0, 0, .04);--card-border-radius: 24px}.student-grades-page .bento-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1.5rem;margin-top:1.5rem}.student-grades-page .col-12{grid-column:span 12}.student-grades-page .col-8{grid-column:span 8}.student-grades-page .col-7{grid-column:span 7}.student-grades-page .col-5{grid-column:span 5}.student-grades-page .col-4{grid-column:span 4}@media(max-width:1024px){.student-grades-page .col-8,.student-grades-page .col-7,.student-grades-page .col-5,.student-grades-page .col-4{grid-column:span 12}}.student-grades-page .glass-card{position:relative;background:var(--surface-lowest)!important;border:1px solid rgba(195,198,215,.3)!important;border-radius:var(--card-border-radius)!important;padding:1.5rem!important;box-shadow:var(--card-shadow)!important;transition:all .3s ease;overflow:visible!important}.student-grades-page .glass-card:hover{z-index:20}.student-grades-page .glass-card h3{font-size:1.15rem;font-weight:700;margin-top:0;margin-bottom:1.25rem;color:var(--on-surface);display:flex;align-items:center;gap:.5rem}.student-grades-page .gpa-card{display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:center}.student-grades-page .gpa-circle-container{margin:1.5rem 0;position:relative;display:flex;align-items:center;justify-content:center}.student-grades-page .gpa-svg-ring{width:160px;height:160px}.student-grades-page .gpa-svg-ring circle{fill:transparent;stroke-width:10px;cx:80;cy:80;r:70}.student-grades-page .gpa-svg-ring .ring-bg{stroke:var(--surface-container-high)}.student-grades-page .gpa-svg-ring .ring-fg{stroke:var(--primary-color);stroke-linecap:round;transition:stroke-dashoffset .5s ease-in-out;transform:rotate(-90deg);transform-origin:80px 80px;stroke-dasharray:440}.student-grades-page .gpa-text-center{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center}.student-grades-page .gpa-text-center .gpa-number{font-size:2.25rem;font-weight:800;color:var(--primary-color);line-height:1}.student-grades-page .gpa-text-center .gpa-max{font-size:.85rem;color:var(--on-surface-variant);font-weight:600;margin-top:2px}.student-grades-page .classification-badge{display:inline-flex;align-items:center;padding:.45rem 1rem;background-color:var(--warning-bg);color:var(--warning-color);border-radius:9999px;font-size:.85rem;font-weight:700;margin-top:.5rem}.student-grades-page .classification-badge.gpa--excellent{background-color:var(--success-bg);color:var(--success-color)}.student-grades-page .classification-badge.gpa--good{background-color:var(--info-bg);color:var(--info-color)}.student-grades-page .classification-badge.gpa--fair{background-color:#8b5cf61a;color:#6d28d9}.student-grades-page .classification-badge.gpa--average{background-color:var(--warning-bg);color:var(--warning-color)}.student-grades-page .classification-badge.gpa--poor{background-color:#ef44441a;color:#b91c1c}.student-grades-page .goal-tracker-header{display:flex;justify-content:space-between;align-items:center;width:100%;margin-bottom:1.25rem}.student-grades-page .goal-tracker-header h3{margin:0!important}.student-grades-page .goal-tracker-header h3 .material-symbols-outlined{color:var(--primary-color)}.student-grades-page .goal-tracker-header .semester-label{font-size:.85rem;color:var(--on-surface-variant);font-weight:600;background:var(--surface-container);padding:.25rem .75rem;border-radius:9999px}.student-grades-page .goal-tracker-body{display:grid;grid-template-columns:1fr 1.2fr;gap:1.5rem;align-items:stretch;width:100%}@media(max-width:768px){.student-grades-page .goal-tracker-body{grid-template-columns:1fr}}.student-grades-page .goal-form-section{display:flex;flex-direction:column;gap:1rem;justify-content:center}.student-grades-page .goal-form-section .goal-desc{font-size:.85rem;color:var(--on-surface-variant);margin:0;line-height:1.5}.student-grades-page .goal-form-section .goal-input-wrapper{position:relative;width:100%}.student-grades-page .goal-form-section .goal-input-wrapper .goal-input{width:100%;padding-right:3rem;font-size:1.25rem;font-weight:700;text-align:left;border:1px solid var(--outline-variant);border-radius:12px;min-height:48px}.student-grades-page .goal-form-section .goal-input-wrapper .goal-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb26}.student-grades-page .goal-form-section .goal-input-wrapper .goal-suffix{position:absolute;right:1rem;top:50%;transform:translateY(-50%);font-weight:700;color:var(--on-surface-variant);font-size:.95rem}.student-grades-page .goal-form-section .btn-calculate{width:100%;padding:.75rem 1rem;background:var(--primary-color);color:#fff;border:none;border-radius:12px;font-weight:700;font-size:.95rem;cursor:pointer;transition:all .2s ease;min-height:44px}.student-grades-page .goal-form-section .btn-calculate:hover{opacity:.9;transform:translateY(-1px)}.student-grades-page .goal-form-section .btn-calculate:active{transform:translateY(0)}.student-grades-page .goal-recommendation-panel{background-color:var(--info-bg);border:1px solid rgba(59,130,246,.2);padding:1.25rem;border-radius:16px;display:flex;flex-direction:column;gap:.75rem;justify-content:center}.student-grades-page .goal-recommendation-panel p{margin:0;font-size:.85rem;color:var(--on-surface);line-height:1.45}.student-grades-page .goal-recommendation-panel .required-score-row{display:flex;align-items:baseline;gap:.5rem;margin-top:.25rem}.student-grades-page .goal-recommendation-panel .required-score-row .required-score-value{font-size:2.25rem;font-weight:800;color:var(--primary-color);line-height:1}.student-grades-page .goal-recommendation-panel .required-score-row .required-score-label{font-size:.85rem;color:var(--on-surface-variant);font-weight:600}.student-grades-page .goal-recommendation-panel .info-tip{display:flex;gap:.5rem;align-items:flex-start;margin-top:.25rem}.student-grades-page .goal-recommendation-panel .info-tip .info-icon-span{color:var(--primary-color);font-size:1.1rem;margin-top:2px}.student-grades-page .goal-recommendation-panel .info-tip p{font-size:.75rem;color:var(--on-surface-variant);line-height:1.35}.student-grades-page .goal-recommendation-panel.result--fail{background-color:#ef44441a;border-color:#ef444433}.student-grades-page .goal-recommendation-panel.result--fail .required-score-value{color:#dc2626}.student-grades-page .goal-recommendation-panel.result--met{background-color:var(--success-bg);border-color:#10b98133}.student-grades-page .goal-recommendation-panel.result--met .required-score-value{color:var(--success-color)}.student-grades-page .goal-recommendation-panel.result--empty,.student-grades-page .goal-recommendation-panel.result--invalid{background-color:var(--warning-bg);border-color:#f59e0b33}.student-grades-page .goal-recommendation-panel.result--empty .required-score-value,.student-grades-page .goal-recommendation-panel.result--invalid .required-score-value{color:var(--warning-color)}.student-grades-page .charts-row{display:flex;gap:1.5rem}@media(max-width:1024px){.student-grades-page .charts-row{flex-direction:column}}.student-grades-page .chart-card{min-height:340px;display:flex;flex-direction:column}.student-grades-page .chart-wrapper{position:relative;flex:1;width:100%;height:250px}.student-grades-page .comparison-list{display:flex;flex-direction:column;gap:1.25rem;max-height:280px;overflow-y:auto;padding-right:6px}.student-grades-page .comparison-list::-webkit-scrollbar{width:6px}.student-grades-page .comparison-list::-webkit-scrollbar-track{background:transparent}.student-grades-page .comparison-list::-webkit-scrollbar-thumb{background:var(--outline-variant);border-radius:9999px}.student-grades-page .comparison-item{display:flex;flex-direction:column;gap:.5rem;width:100%;min-width:0}.student-grades-page .comparison-item .comparison-meta{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;width:100%;min-width:0;gap:10px}.student-grades-page .comparison-item .comparison-meta .subject-name{font-weight:700;color:var(--on-surface);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:65%}.student-grades-page .comparison-item .comparison-meta .score-text{color:var(--on-surface-variant);font-weight:600;white-space:nowrap;flex-shrink:0}.student-grades-page .comparison-item .comparison-meta .score-text strong{color:var(--primary-color)}.student-grades-page .comparison-bar-track{height:24px;background:var(--surface-container);border-radius:9999px;position:relative;display:flex;align-items:center;padding:0 4px;overflow:visible}.student-grades-page .comparison-bar-track .comparison-bar-fill{height:16px;border-radius:9999px;background:linear-gradient(90deg,#60a5fa 0%,var(--primary-color) 100%);transition:width .6s cubic-bezier(.4,0,.2,1)}.student-grades-page .comparison-bar-track .class-avg-marker{position:absolute;top:-4px;bottom:-4px;width:4px;background:var(--warning-color);border-radius:2px;z-index:10;box-shadow:0 0 8px #f59e0b99}.student-grades-page .comparison-legend{display:flex;gap:1.25rem;align-items:center;font-size:.75rem;color:var(--on-surface-variant);margin-top:.5rem}.student-grades-page .comparison-legend .legend-item{display:flex;align-items:center;gap:.35rem}.student-grades-page .comparison-legend .legend-item .color-dot{width:12px;height:12px;border-radius:4px;background:linear-gradient(90deg,#60a5fa 0%,var(--primary-color) 100%)}.student-grades-page .comparison-legend .legend-item .color-line{width:4px;height:14px;border-radius:2px;background:var(--warning-color)}.student-grades-page .table-card{padding:0!important;overflow:hidden!important;min-width:0;max-width:100%}.student-grades-page .detailed-table-header{border-bottom:1px solid rgba(195,198,215,.3);padding:1.25rem 1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.student-grades-page .detailed-table-header h3{margin:0!important;font-size:1.2rem;font-weight:700;color:var(--on-surface)}.student-grades-page .detailed-table-header .table-actions{display:flex;align-items:center;gap:.5rem}.student-grades-page .detailed-table-header .table-actions .btn-action-tool{display:inline-flex;align-items:center;gap:.35rem;padding:.5rem .85rem;background:transparent;border:1px solid var(--outline-variant);border-radius:10px;font-size:.85rem;font-weight:600;color:var(--on-surface-variant);cursor:pointer;transition:all .2s ease}.student-grades-page .detailed-table-header .table-actions .btn-action-tool .material-symbols-outlined{font-size:1.1rem}.student-grades-page .detailed-table-header .table-actions .btn-action-tool:hover,.student-grades-page .detailed-table-header .table-actions .btn-action-tool.active{background:var(--surface-container);color:var(--on-surface);border-color:var(--on-surface-variant)}.student-grades-page .filter-bar{display:flex;gap:.5rem;padding:.75rem 1.5rem;background:var(--surface-container-high);border-bottom:1px solid rgba(195,198,215,.3);flex-wrap:wrap;align-items:center}.student-grades-page .filter-bar .filter-pill{padding:.35rem .85rem;border:1px solid transparent;border-radius:9999px;font-size:.8rem;font-weight:600;color:var(--on-surface-variant);background:var(--surface-lowest);cursor:pointer;transition:all .2s ease}.student-grades-page .filter-bar .filter-pill:hover{background:var(--surface-container);color:var(--on-surface)}.student-grades-page .filter-bar .filter-pill.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.student-grades-page .table-responsive{width:100%;overflow-x:auto}.student-grades-page .grades-table{width:100%;border-collapse:collapse;text-align:left}.student-grades-page .grades-table th{padding:1rem 1.5rem;font-size:.8rem;text-transform:uppercase;color:var(--on-surface-variant);background-color:var(--surface-container);border-bottom:1px solid rgba(195,198,215,.3);font-weight:700}.student-grades-page .grades-table td{padding:1rem 1.5rem;font-size:.9rem;color:var(--on-surface);border-bottom:1px solid rgba(195,198,215,.15);vertical-align:middle}.student-grades-page .grade-row{cursor:pointer;transition:background-color .15s}.student-grades-page .grade-row:hover{background-color:#2563eb08}.student-grades-page .score-display{display:flex;align-items:baseline}.student-grades-page .score-display .score-value{color:var(--primary-color);font-size:1.1rem;font-weight:700}.student-grades-page .score-display .score-max{font-size:.8rem;color:var(--on-surface-variant);font-weight:500}.student-grades-page .score-display .score-none{color:var(--outline-variant)}.student-grades-page .badge-ranking{display:inline-flex;padding:.25rem .65rem;background-color:var(--warning-bg);color:var(--warning-color);border-radius:8px;font-size:.75rem;font-weight:700}.student-grades-page .badge-ranking.rank--top{background-color:var(--success-bg);color:var(--success-color)}.student-grades-page .btn-action-view{background:transparent;border:1px solid var(--primary-color);color:var(--primary-color);padding:.35rem .85rem;border-radius:8px;font-size:.8rem;font-weight:700;cursor:pointer;transition:all .2s}.student-grades-page .btn-action-view:hover{background:var(--primary-color);color:#fff}.student-grades-page .gpa-tfoot-row{font-weight:700;background-color:var(--surface-container)}.student-grades-page .gpa-tfoot-row td{border-top:2px solid var(--outline-variant);border-bottom:none!important}.student-grades-page .gpa-tfoot-row .tfoot-gpa-val{font-size:1.25rem;color:var(--primary-color)}.student-grades-page .gpa-tfoot-row .badge-classification{display:inline-block;margin-left:8px;font-size:.8rem;font-weight:600;padding:.25rem .65rem;border-radius:6px;background:var(--info-bg);color:var(--primary-color)}.student-grades-page .grade-detail-modal-body{padding:8px 4px;display:flex;flex-direction:column;gap:1rem}.student-grades-page .detail-row{display:flex;align-items:center;gap:12px;font-size:.95rem}.student-grades-page .detail-row.flex-col{flex-direction:column}.student-grades-page .detail-row.align-start{align-items:flex-start}.student-grades-page .detail-label{font-weight:700;color:var(--on-surface-variant);min-width:120px}.student-grades-page .comparison-bar-container{width:100%}.student-grades-page .comparison-track{height:16px;background:var(--surface-container);border-radius:8px;position:relative;overflow:visible;margin-top:8px}.student-grades-page .comp-bar{height:100%;border-radius:8px;background:linear-gradient(90deg,#60a5fa,var(--primary-color))}.student-grades-page .comp-marker{position:absolute;top:-6px;bottom:-6px;width:4px;background:var(--success-color);border-radius:2px;box-shadow:0 0 6px #10b98199}.student-grades-page .comp-marker .marker-label{position:absolute;top:-20px;left:50%;transform:translate(-50%);font-size:.75rem;font-weight:700;color:var(--success-color);white-space:nowrap}.student-grades-page .bar-legend{display:flex;justify-content:space-between;font-size:.75rem;color:var(--on-surface-variant)}.student-grades-page .modal-divider{border:0;height:1px;background:var(--outline-variant);margin:.5rem 0}.student-grades-page .comment-section h4{font-weight:700;font-size:.95rem;margin:0 0 .5rem}.student-grades-page .comment-section .teacher-comment{font-style:italic;background-color:var(--surface-container);border-left:4px solid var(--primary-color);padding:12px 16px;border-radius:0 8px 8px 0;margin:0;color:var(--on-surface);line-height:1.5}.student-grades-page .attachments-section h4{font-weight:700;font-size:.95rem;margin:0 0 .5rem}.student-grades-page .attachment-list{display:flex;flex-direction:column;gap:8px}.student-grades-page .attachment-item{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--outline-variant);background-color:var(--surface-lowest);border-radius:8px;color:var(--on-surface);text-decoration:none;font-size:.85rem;font-weight:600;transition:all .2s}.student-grades-page .attachment-item .file-icon{width:16px;height:16px;color:var(--primary-color)}.student-grades-page .attachment-item:hover{border-color:var(--primary-color);background-color:var(--surface-container);transform:translate(4px)}.student-grades-page.is-dark{--primary-color: #60a5fa;--on-primary: #0b0f19;--bg-color: #0b0f19;--surface-lowest: #161e2e;--surface-container: #1f2937;--surface-container-high: #243048;--on-surface: #f9fafb;--on-surface-variant: #94a3b8;--outline-variant: #2d3d5a;--success-color: #34d399;--success-bg: rgba(52, 211, 153, .1);--success-text: #a7f3d0;--warning-color: #fbbf24;--warning-bg: rgba(251, 191, 36, .1);--warning-text: #fde047;--info-color: #60a5fa;--info-bg: rgba(96, 165, 250, .1);--info-text: #93c5fd}.student-grades-page.is-dark .gpa-svg-ring .ring-bg{stroke:var(--surface-container)}.student-grades-page.is-dark .comp-bar{background:linear-gradient(90deg,#3b82f6,var(--primary-color))}@media print{.student-grades-page .student-navbar,.student-grades-page .classroom-section,.student-grades-page .grades-col-left,.student-grades-page .grades-col-right>.charts-row,.student-grades-page .detailed-table-header .table-actions,.student-grades-page .filter-bar{display:none!important}.student-grades-page body,.student-grades-page .app-root,.student-grades-page .app-content,.student-grades-page .app-main,.student-grades-page .student-portal,.student-grades-page .student-main,.student-grades-page .grades-grid,.student-grades-page .grades-col-right{margin:0!important;padding:0!important;display:block!important;width:100%!important;background:#fff!important;color:#000!important}.student-grades-page .table-card{border:none!important;box-shadow:none!important;padding:0!important;width:100%!important;background:#fff!important}.student-grades-page .grades-table{width:100%!important;border:1px solid #cbd5e1!important}.student-grades-page .grades-table th,.student-grades-page .grades-table td{padding:8px 12px!important;border-bottom:1px solid #cbd5e1!important;color:#000!important;background:transparent!important}.student-grades-page .grades-table th{background:#f1f5f9!important;font-weight:700!important}}.student-grades-page .filter-count-badge{display:inline-flex;align-items:center;justify-content:center;background-color:var(--primary-color);color:#fff;font-size:.7rem;font-weight:800;width:18px;height:18px;border-radius:50%;margin-left:4px;line-height:1;box-shadow:0 2px 6px #2563eb4d}.student-grades-page .filter-modal-content{display:grid;gap:14px;text-align:left}.student-grades-page .filter-modal-content .filter-subtitle{margin:0 0 4px;font-size:.9rem;color:var(--on-surface-variant);font-weight:600}.student-grades-page .filter-checkboxes-group{display:flex;flex-direction:column;gap:12px}.student-grades-page .filter-checkbox-item{display:flex;align-items:center;gap:14px;padding:16px 20px;background:var(--surface-container);border:1px solid rgba(195,198,215,.3);border-radius:14px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none}.student-grades-page .filter-checkbox-item:hover{background:var(--surface-container-high);border-color:var(--on-surface-variant);transform:translate(4px)}.student-grades-page .filter-checkbox-item input[type=checkbox]{width:22px;height:22px;accent-color:var(--primary-color);cursor:pointer;flex-shrink:0}.student-grades-page .filter-checkbox-item .checkbox-label{font-size:.95rem;font-weight:700;color:var(--on-surface)}.student-grades-page .info-icon{display:inline-flex;align-items:center;justify-content:center;cursor:help;color:var(--on-surface-variant);opacity:.8;transition:all .2s;padding:2px;border-radius:50%;margin-left:.25rem}.student-grades-page .info-icon:hover{opacity:1;color:var(--primary-color);background:var(--surface-container)}.student-grades-page .info-icon-svg{width:14px;height:14px}.student-grades-page .sm-tooltip-wrapper{position:relative;display:inline-flex;align-items:center}.student-grades-page .sm-tooltip{position:absolute;bottom:100%;left:50%;transform:translate(-50%);margin-bottom:8px;background:#1e293b;color:#f8fafc;padding:8px 12px;border-radius:6px;font-size:.8rem;font-weight:400;width:220px;max-width:320px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;opacity:0;visibility:hidden;transition:all .2s;z-index:99;line-height:1.4;white-space:normal;text-align:left}.student-grades-page .sm-tooltip p{margin:0}.student-grades-page .sm-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border-width:5px;border-style:solid;border-color:#1e293b transparent transparent transparent}.student-grades-page .sm-tooltip-wrapper:hover .sm-tooltip{opacity:1;visibility:visible}.student-grades-page .portal-pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:1.5rem;padding:1rem 0}.student-grades-page .pg-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--outline-variant);background:var(--surface-lowest);display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:700;color:var(--on-surface);transition:all .2s}.student-grades-page .pg-btn:hover:not(:disabled){background:var(--surface-container);border-color:var(--on-surface-variant)}.student-grades-page .pg-btn:disabled{opacity:.4;cursor:not-allowed}.student-grades-page .pg-info{font-size:13px;font-weight:600;color:var(--on-surface-variant)}.grades-page{--glass-bg: rgba(255, 255, 255, .45);--glass-border: rgba(255, 255, 255, .4);--glass-glow: rgba(59, 130, 246, .08);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .05);--sticky-col-width: clamp(160px, 30vw, 220px);--student-col-width: clamp(140px, 24vw, 180px)}.dark .grades-page{--glass-bg: rgba(22, 30, 46, .55);--glass-border: rgba(255, 255, 255, .06);--glass-glow: rgba(96, 165, 250, .05);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .25)}.gradebook-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px}@media(max-width:640px){.gradebook-toolbar{flex-direction:column;align-items:stretch}}.classroom-select{min-width:250px;font-weight:600}.toolbar-right{display:flex;gap:12px}.gradebook-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:4rem 0;color:var(--sm-text-muted, #64748b)}.gradebook-loading .spinner{width:28px;height:28px;border:3px solid rgba(59,130,246,.1);border-top-color:var(--sm-primary, #3b82f6);border-radius:50%;animation:spin 1s linear infinite}.spreadsheet-container{overflow-x:auto;border:1px solid var(--sm-border, #e2e8f0);border-radius:12px;box-shadow:0 4px 6px -1px #0000000d}.spreadsheet-table{width:max-content;min-width:100%;table-layout:fixed;border-collapse:separate;border-spacing:0;text-align:left;background-color:var(--sm-surface, #ffffff)}.spreadsheet-table th,.spreadsheet-table td{padding:10px 16px;border-bottom:1px solid var(--sm-border, #e2e8f0);border-right:1px solid var(--sm-border, #e2e8f0);font-size:.9rem;white-space:nowrap}.spreadsheet-table th:last-child,.spreadsheet-table td:last-child{border-right:none}.spreadsheet-table th{background-color:var(--sm-surface-soft, #f8fafc);color:var(--sm-text-muted, #475569);font-weight:700;vertical-align:middle}.spreadsheet-table th.student-name-header{z-index:10}.sticky-col{position:sticky;left:0;background-color:var(--sm-surface, #ffffff);border-right:2px solid var(--sm-border, #cbd5e1)!important;z-index:5;box-shadow:4px 0 8px -2px #0000000d;width:var(--sticky-col-width);min-width:var(--sticky-col-width);max-width:var(--sticky-col-width);box-sizing:border-box}tr:hover .sticky-col{background-color:var(--sm-surface-soft, #f8fafc)}.sticky-col-right{position:sticky;right:0;background-color:var(--sm-surface, #ffffff);border-left:2px solid var(--sm-border, #cbd5e1)!important;z-index:5;box-shadow:-4px 0 8px -2px #0000000d}tr:hover .sticky-col-right{background-color:var(--sm-surface-soft, #f8fafc)}.student-name-header{width:var(--student-col-width);min-width:var(--student-col-width);max-width:var(--student-col-width);box-sizing:border-box}.student-name-cell{font-weight:600;color:var(--sm-text, #0f172a)}.student-profile-info{display:flex;align-items:center;gap:10px}.student-avatar-mini{width:28px;height:28px;border-radius:50%;overflow:hidden;background-color:var(--sm-primary, #3b82f6);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700}.student-avatar-mini img{width:100%;height:100%;object-fit:cover}.grade-item-header{min-width:150px;text-align:center;position:relative}.grade-item-header .header-content{display:flex;flex-direction:column;align-items:center;gap:4px}.grade-item-header .header-name{font-size:.9rem;font-weight:700;color:var(--sm-text, #0f172a);max-width:130px;overflow:hidden;text-overflow:ellipsis}.grade-item-header .header-meta{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--sm-text-muted, #64748b)}.grade-item-header .header-type-dot{width:8px;height:8px;border-radius:50%}.grade-item-header .header-type-dot.type--attendance{background-color:#10b981}.grade-item-header .header-type-dot.type--homework{background-color:#3b82f6}.grade-item-header .header-type-dot.type--periodic_test{background-color:#f59e0b}.grade-item-header .header-type-dot.type--daily_test{background-color:#a855f7}.grade-item-header .header-type-dot.type--other{background-color:#94a3b8}.super-header-row th{text-align:center;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:8px 12px;background-color:var(--sm-surface-soft, #f1f5f9)!important;color:var(--sm-text, #334155)}.category-super-header{border-bottom:2px solid var(--sm-border, #cbd5e1)}.category-super-header.cat--attendance{border-bottom-color:#10b981;color:#10b981}.category-super-header.cat--homework{border-bottom-color:#3b82f6;color:#3b82f6}.category-super-header.cat--periodic_test{border-bottom-color:#f59e0b;color:#f59e0b}.category-super-header.cat--daily_test{border-bottom-color:#a855f7;color:#a855f7}.category-super-header.cat--other{border-bottom-color:#94a3b8;color:#64748b}.config-section-title{margin:12px 0 6px;font-weight:700;font-size:.95rem;color:var(--sm-text, #1f2937)}.header-actions{display:flex;gap:4px;opacity:.3;transition:opacity .2s;margin-top:4px}.header-actions:hover,.grade-item-header:hover .header-actions{opacity:1}.header-btn{background:transparent;border:none;cursor:pointer;font-size:.75rem;padding:2px 4px;border-radius:4px}.header-btn:hover{background-color:var(--sm-border, #cbd5e1)}.grade-score-cell{padding:4px!important;width:var(--student-col-width);min-width:var(--student-col-width);max-width:var(--student-col-width);box-sizing:border-box}.grade-item-name-cell .header-content{min-width:0}.grade-item-name-cell .header-name{font-weight:700;max-width:100%;overflow:hidden;text-overflow:ellipsis}.cell-wrapper{display:flex;align-items:center;position:relative;height:38px;width:100%;gap:6px;padding:0 6px}.grade-input-cell{flex:1;width:0;height:100%;border:1px solid transparent;border-radius:4px;padding:0 4px;text-align:center;font-weight:600;font-size:1rem;background:transparent;color:var(--sm-text, #0f172a);transition:all .15s}.grade-input-cell:focus{border-color:var(--sm-primary, #3b82f6);background-color:var(--sm-surface, #ffffff);outline:none;box-shadow:0 0 0 2px #3b82f626}.cell-indicators{position:static;display:flex;align-items:center;gap:4px;flex-shrink:0}.comment-trigger-btn{background:var(--sm-surface-soft, #f1f5f9);border:1px solid var(--sm-border, #cbd5e1);box-shadow:0 1px 3px #00000014;cursor:pointer;font-size:.95rem;width:25px;height:25px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;opacity:.85;transition:all .2s ease}.comment-trigger-btn:hover{opacity:1;transform:scale(1.2);background-color:#3b82f626;border-color:var(--sm-primary, #3b82f6);box-shadow:0 2px 6px #3b82f633}.comment-trigger-btn.has-comment{opacity:1;background-color:#10b98126;border-color:#10b981;box-shadow:0 2px 6px #10b98133}.gpa-cell{text-align:center;font-weight:700;font-size:1.05rem}.btn-file-upload{display:inline-flex;align-items:center;background-color:var(--sm-surface-soft, #f8fafc);border:1px dashed var(--sm-border, #cbd5e1);color:var(--sm-text, #334155);padding:10px 16px;border-radius:8px;font-weight:600;font-size:.85rem;cursor:pointer;transition:all .2s}.btn-file-upload:hover{border-color:var(--sm-primary, #3b82f6);background-color:#3b82f60a}.attachment-list{display:flex;flex-direction:column;gap:8px}.attachment-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background-color:var(--sm-surface-soft, #f8fafc);border:1px solid var(--sm-border, #e2e8f0);border-radius:6px;font-size:.85rem}.attachment-item .file-link{text-decoration:none;color:var(--sm-primary, #3b82f6);font-weight:600}.attachment-item .file-link:hover{text-decoration:underline}.btn-delete-file{background:transparent;border:none;font-size:1.2rem;color:#ef4444;cursor:pointer;line-height:1;padding:0 4px}.btn-delete-file:hover{color:#b91c1c}.is-dark .spreadsheet-container{border-color:#1e293b}.is-dark .spreadsheet-table{background-color:#111827}.is-dark .spreadsheet-table th{background-color:#1f2937;color:#94a3b8;border-color:#1e293b}.is-dark .spreadsheet-table td{border-color:#1e293b;background-color:#111827}.is-dark .sticky-col{background-color:#111827;border-right-color:#334155!important}.is-dark tr:hover .sticky-col{background-color:#1f2937}.is-dark .sticky-col-right{background-color:#111827;border-left-color:#334155!important}.is-dark tr:hover .sticky-col-right{background-color:#1f2937}.is-dark .grade-item-header .header-name{color:#e2e8f0}.is-dark .grade-item-header .header-meta{color:#94a3b8}.is-dark .header-btn:hover{background-color:#374151}.is-dark .grade-input-cell{color:#e2e8f0}.is-dark .grade-input-cell:focus{background-color:#1f2937;border-color:#60a5fa}.is-dark .attachment-item{background-color:#1e293b;border-color:#334155}.is-dark .attachment-item .file-link{color:#60a5fa}.is-dark .btn-file-upload{background-color:#1e293b;border-color:#334155;color:#cbd5e1}.is-dark .btn-file-upload:hover{border-color:#60a5fa;background-color:#60a5fa0a}.is-dark .comment-trigger-btn{background:#1e293b;border-color:#334155}.is-dark .comment-trigger-btn:hover{background-color:#60a5fa33;border-color:#60a5fa}.is-dark .comment-trigger-btn.has-comment{background-color:#10b98133;border-color:#10b981}.info-icon{display:inline-flex;align-items:center;justify-content:center;cursor:help;color:var(--sm-text-muted, #64748b);opacity:.8;transition:all .2s;padding:2px;border-radius:50%;margin-left:.25rem}.info-icon:hover{opacity:1;color:var(--sm-primary, #3b82f6);background:var(--sm-surface-soft, #f1f5f9)}.info-icon-svg{width:14px;height:14px}.sm-tooltip-wrapper{position:relative;display:inline-flex;align-items:center}.sm-tooltip{position:absolute;bottom:100%;left:50%;transform:translate(-50%);margin-bottom:8px;background:#1e293b;color:#f8fafc;padding:8px 12px;border-radius:6px;font-size:.8rem;font-weight:400;width:190px;max-width:320px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;opacity:0;visibility:hidden;transition:all .2s;z-index:99;line-height:1.4;white-space:normal}.sm-tooltip p{margin:0}.sm-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border-width:5px;border-style:solid;border-color:#1e293b transparent transparent transparent}.sm-tooltip-wrapper:hover .sm-tooltip{opacity:1;visibility:visible}.modal-form-grid-2{display:grid;gap:12px;grid-template-columns:repeat(2,1fr)}@media(max-width:550px){.modal-form-grid-2{grid-template-columns:1fr}}.file-section{display:flex;flex-direction:column;gap:8px}.file-list{display:flex;flex-direction:column;gap:6px;width:100%}.student-tuition-page{min-height:100vh;background-color:var(--sm-bg-main, #f8fafc);transition:background-color .3s}.student-tuition-page.is-dark{background-color:#0f172a;--sm-bg-main: #0f172a}.student-tuition-page .bento-grid{display:grid;grid-template-columns:repeat(12,1fr);column-gap:1.5rem;row-gap:1rem;margin-top:0!important}.student-tuition-page .bento-grid .col-12{grid-column:span 12}@media(max-width:768px){.student-tuition-page .bento-grid{column-gap:1rem;row-gap:.75rem;margin-top:0!important}}.student-tuition-page .tuition-stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}@media(max-width:1024px){.student-tuition-page .tuition-stats-row{grid-template-columns:1fr;gap:1rem}}.student-tuition-page .table-card{padding:0!important;overflow:hidden!important;min-width:0;max-width:100%}.student-tuition-page .stats-panel-container{display:flex;flex-direction:column;width:100%;margin-bottom:0!important;padding:0!important}.student-tuition-page .stats-collapse-trigger{display:flex!important;width:100%;background:var(--student-surface, #ffffff);border:1px solid var(--student-border, #e5e7eb);border-radius:16px;padding:14px 20px;font-size:.95rem;font-weight:700;color:var(--student-text, #111827);cursor:pointer;align-items:center;justify-content:space-between;transition:all .25s ease;box-shadow:var(--student-card-shadow, 0 10px 30px rgba(0, 0, 0, .04))}.is-dark .student-tuition-page .stats-collapse-trigger{background:#1e293b;border-color:#334155;color:#f8fafc}.student-tuition-page .stats-collapse-trigger:hover{background:var(--student-surface-soft, #f9fafb);border-color:var(--student-text-muted, #94a3b8)}.is-dark .student-tuition-page .stats-collapse-trigger:hover{background:#334155;border-color:#475569}@media(max-width:768px){.student-tuition-page .stats-collapse-trigger{padding:12px 16px}}.student-tuition-page .stats-collapse-trigger .collapse-arrow{display:flex;align-items:center;transition:transform .25s ease;color:var(--student-text-muted, #94a3b8)}.student-tuition-page .stats-collapse-trigger .collapse-arrow.rotated{transform:rotate(180deg)}.student-tuition-page .stats-content-wrapper{display:block;max-height:0;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1)}.student-tuition-page .stats-content-wrapper--expanded{max-height:800px;margin-top:.75rem}@media(max-width:768px){.student-tuition-page .stats-content-wrapper--expanded{margin-top:.5rem}}.student-tuition-page .table-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.student-tuition-page .btn-action-tool{display:inline-flex;align-items:center;gap:6px;padding:.5rem 1rem;font-size:.85rem;font-weight:600;border-radius:10px;border:1px solid var(--sm-border, #e2e8f0);background:#fff;color:var(--sm-text, #334155);cursor:pointer;transition:all .2s ease}.is-dark .student-tuition-page .btn-action-tool{background:#1e293b;border-color:#334155;color:#f1f5f9}.student-tuition-page .btn-action-tool:hover{background:#f1f5f9;border-color:#cbd5e1}.is-dark .student-tuition-page .btn-action-tool:hover{background:#334155}.student-tuition-page .btn-action-tool.active{background:#3b82f614;border-color:#3b82f640;color:#2563eb}.is-dark .student-tuition-page .btn-action-tool.active{background:#60a5fa1f;border-color:#60a5fa4d;color:#60a5fa}.student-tuition-page .btn-action-tool .material-symbols-outlined{font-size:1.1rem}.student-tuition-page .btn-action-tool .filter-count-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;font-size:11px;font-weight:700;border-radius:99px;background:#3b82f6;color:#fff}.student-tuition-page .table-responsive{overflow-x:auto;width:100%}.student-tuition-page .tuition-table{width:100%;border-collapse:collapse;min-width:800px;font-size:.9rem}.student-tuition-page .tuition-table th{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:#334155;font-weight:700;padding:1rem 1.25rem;border-bottom:2px solid rgba(195,198,215,.3);background:#f8fbff}.is-dark .student-tuition-page .tuition-table th{background:#1e293b;color:#cbd5e1;border-bottom-color:#334155}.student-tuition-page .tuition-table td{padding:1rem 1.25rem;border-bottom:1px solid var(--sm-border, #e2e8f0);color:var(--sm-text, #334155)}.is-dark .student-tuition-page .tuition-table td{border-bottom-color:#ffffff0d;color:#cbd5e1}.student-tuition-page .tuition-table .tuition-row-tr{transition:all .2s ease}.student-tuition-page .tuition-table .tuition-row-tr:hover{background:#fafbff}.is-dark .student-tuition-page .tuition-table .tuition-row-tr:hover{background:#ffffff05}.student-tuition-page .tuition-table .session-title-text{font-weight:600;color:var(--sm-text, #0f172a)}.is-dark .student-tuition-page .tuition-table .session-title-text{color:#f8fafc}.student-tuition-page .portal-pagination{display:flex;align-items:center;justify-content:center;gap:1rem;padding:1.25rem;border-top:1px solid rgba(195,198,215,.3)}.is-dark .student-tuition-page .portal-pagination{border-top-color:#ffffff0d}.student-tuition-page .portal-pagination .pg-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;border:1px solid var(--sm-border, #e2e8f0);background:#fff;color:var(--sm-text, #334155);cursor:pointer;font-weight:600;transition:all .2s ease}.is-dark .student-tuition-page .portal-pagination .pg-btn{background:#1e293b;border-color:#334155;color:#f1f5f9}.student-tuition-page .portal-pagination .pg-btn:disabled{opacity:.5;cursor:not-allowed}.student-tuition-page .portal-pagination .pg-btn:hover:not(:disabled){background:#f1f5f9;border-color:#cbd5e1}.is-dark .student-tuition-page .portal-pagination .pg-btn:hover:not(:disabled){background:#334155}.student-tuition-page .portal-pagination .pg-info{font-size:.85rem;font-weight:600;color:var(--sm-text-muted, #64748b)}.is-dark .student-tuition-page .portal-pagination .pg-info{color:#cbd5e1}.student-tuition-page .tuition-print-template-container{position:fixed!important;left:-9999px!important;top:0!important;width:210mm!important;background:#fff!important;z-index:99999!important;box-shadow:none!important;opacity:1!important;visibility:visible!important;pointer-events:none!important}.student-tuition-page .tuition-print-template-container .a4-print-page{width:210mm;min-height:297mm;padding:20mm 15mm;box-sizing:border-box;font-family:Times New Roman,Times,serif!important;color:#000;background:#fff;letter-spacing:normal!important;word-spacing:normal!important}.student-tuition-page .tuition-print-template-container .a4-print-page *{font-family:Times New Roman,Times,serif!important;letter-spacing:normal!important;word-spacing:normal!important}.student-tuition-page .tuition-print-template-container .print-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;line-height:1.4}.student-tuition-page .tuition-print-template-container .print-header .brand-info h2{margin:0;font-size:16px;font-weight:800;color:#1e3a8a}.student-tuition-page .tuition-print-template-container .print-header .brand-info p{margin:4px 0 0;font-size:10px;color:#64748b}.student-tuition-page .tuition-print-template-container .print-header .invoice-title{text-align:right}.student-tuition-page .tuition-print-template-container .print-header .invoice-title h1{margin:0;font-size:20px;font-weight:800;color:#0f172a}.student-tuition-page .tuition-print-template-container .print-header .invoice-title p{margin:4px 0 0;font-size:11px;color:#64748b}.student-tuition-page .tuition-print-template-container .print-divider{border:none;border-top:2px solid #cbd5e1;margin:15px 0 20px}.student-tuition-page .tuition-print-template-container .print-profile{margin-bottom:24px}.student-tuition-page .tuition-print-template-container .print-profile h3{font-size:12px;font-weight:700;text-transform:uppercase;margin:0 0 10px;color:#334155;letter-spacing:.05em;border-left:3px solid #1e3a8a;padding-left:8px}.student-tuition-page .tuition-print-template-container .print-profile .profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px;font-size:12px;color:#334155;line-height:1.5}.student-tuition-page .tuition-print-template-container .print-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}.student-tuition-page .tuition-print-template-container .print-summary .summary-box{border:1px solid #cbd5e1;border-radius:8px;padding:12px;display:flex;flex-direction:column;text-align:left}.student-tuition-page .tuition-print-template-container .print-summary .summary-box .label{font-size:9px;color:#64748b;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.student-tuition-page .tuition-print-template-container .print-summary .summary-box .value{font-size:15px;font-weight:800;margin-top:6px}.student-tuition-page .tuition-print-template-container .print-summary .summary-box.unpaid{border-left:4px solid #ef4444;background:#fff5f5}.student-tuition-page .tuition-print-template-container .print-summary .summary-box.unpaid .value{color:#dc2626}.student-tuition-page .tuition-print-template-container .print-summary .summary-box.paid{border-left:4px solid #10b981;background:#f0fdf4}.student-tuition-page .tuition-print-template-container .print-summary .summary-box.paid .value{color:#059669}.student-tuition-page .tuition-print-template-container .print-summary .summary-box.total{border-left:4px solid #3b82f6;background:#eff6ff}.student-tuition-page .tuition-print-template-container .print-summary .summary-box.total .value{color:#2563eb}.student-tuition-page .tuition-print-template-container .print-table-section{margin-bottom:40px}.student-tuition-page .tuition-print-template-container .print-table-section h3{font-size:12px;font-weight:700;text-transform:uppercase;margin:0 0 10px;color:#334155;letter-spacing:.05em;border-left:3px solid #1e3a8a;padding-left:8px}.student-tuition-page .tuition-print-template-container .print-table-section .print-table{width:100%;border-collapse:collapse;font-size:11px}.student-tuition-page .tuition-print-template-container .print-table-section .print-table th{border-bottom:2px solid #94a3b8;padding:10px 8px;text-align:left;font-weight:700;background:#f1f5f9;color:#334155;text-transform:uppercase;font-size:10px;letter-spacing:.05em;line-height:1.5}.student-tuition-page .tuition-print-template-container .print-table-section .print-table td{border-bottom:1px solid #e2e8f0;padding:10px 8px;vertical-align:middle;color:#334155;text-align:left;line-height:1.5;word-break:break-word}.student-tuition-page .tuition-print-template-container .print-table-section .print-table td .teacher-sub{font-size:9px;color:#64748b;margin-top:2px}.student-tuition-page .tuition-print-template-container .print-table-section .print-table .print-status{font-weight:700;text-transform:uppercase;font-size:9px;padding:2px 6px;border-radius:4px;display:inline-block}.student-tuition-page .tuition-print-template-container .print-table-section .print-table .print-status.paid{background:#dcfce7;color:#166534}.student-tuition-page .tuition-print-template-container .print-table-section .print-table .print-status.unpaid{background:#fee2e2;color:#991b1b}.student-tuition-page .tuition-print-template-container .print-table-section .print-table .print-status.exempt{background:#f1f5f9;color:#475569}.student-tuition-page .tuition-print-template-container .print-footer{margin-top:60px;font-size:12px}.student-tuition-page .tuition-print-template-container .print-footer .signature-row{display:flex;justify-content:space-between}.student-tuition-page .tuition-print-template-container .print-footer .signature-col{text-align:center;width:220px}.student-tuition-page .tuition-print-template-container .print-footer .signature-col .role{font-weight:700;margin-bottom:50px;color:#0f172a}.student-tuition-page .tuition-print-template-container .print-footer .signature-col .sign-space{font-size:10px;color:#64748b;font-style:italic}.student-tuition-page .tuition-print-template-container .print-qr-section{text-align:center;margin:30px 0}.student-tuition-page .tuition-print-template-container .print-qr-section .qr-prompt{font-size:14px;color:#334155;margin-bottom:20px;font-weight:700}.student-tuition-page .tuition-print-template-container .print-qr-section .qr-card{display:inline-block;padding:15px;border:2px solid #e2e8f0;border-radius:12px;background:#fff;box-shadow:0 4px 6px -1px #0000001a}.student-tuition-page .tuition-print-template-container .print-qr-section .qr-card img{width:220px;height:auto;display:block}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.student-tuition-page .detailed-table-header{border-bottom:1px solid rgba(195,198,215,.3);padding:1.25rem 1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.is-dark .student-tuition-page .detailed-table-header{border-bottom-color:#ffffff0d}.student-tuition-page .detailed-table-header h3{margin:0!important;font-size:1.1rem;font-weight:700;color:var(--sm-text, #0f172a);display:flex;align-items:center;gap:.5rem}.is-dark .student-tuition-page .detailed-table-header h3{color:#f8fafc}.student-tuition-page .detailed-table-header h3 .material-symbols-outlined{font-size:1.25rem;color:#3b82f6}.student-tuition-page .sm-table-wrap{border:none;border-radius:0}.student-tuition-page .sm-table th{background:#f8fbff}.is-dark .student-tuition-page .sm-table th{background:#1e293b;color:#f1f5f9;border-bottom-color:#334155}.is-dark .student-tuition-page .sm-table td{border-bottom-color:#ffffff0d}.student-tuition-page .sm-table tbody tr:hover{background:#f8fafc}.is-dark .student-tuition-page .sm-table tbody tr:hover{background:#ffffff05}.student-tuition-page .tuition-stat-card{display:flex;flex-direction:column;justify-content:space-between;padding:1.5rem;background:#ffffffb3;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.3);border-radius:1rem;transition:all .3s cubic-bezier(.4,0,.2,1)}@media(max-width:640px){.student-tuition-page .tuition-stat-card{padding:1rem}}.is-dark .student-tuition-page .tuition-stat-card{background:#1e293bb3;border:1px solid rgba(255,255,255,.05)}.student-tuition-page .tuition-stat-card:hover{transform:translateY(-3px);box-shadow:0 12px 24px #0000000a}.is-dark .student-tuition-page .tuition-stat-card:hover{box-shadow:0 12px 24px #00000040}.student-tuition-page .tuition-stat-card h3{display:flex;align-items:center;gap:.5rem;font-size:.95rem;font-weight:600;color:#64748b;margin:0 0 1rem}.is-dark .student-tuition-page .tuition-stat-card h3{color:#94a3b8}.student-tuition-page .tuition-stat-card h3 .material-symbols-outlined{font-size:1.25rem}.student-tuition-page .tuition-stat-card--unpaid{border-left:4px solid #ef4444;background:#fef2f299}.is-dark .student-tuition-page .tuition-stat-card--unpaid{background:#991b1b26;border-left-color:#ef4444}.student-tuition-page .tuition-stat-card--unpaid .amount-num{color:#dc2626}.is-dark .student-tuition-page .tuition-stat-card--unpaid .amount-num{color:#f87171}.student-tuition-page .tuition-stat-card--paid{border-left:4px solid #10b981;background:#f0fdfa99}.is-dark .student-tuition-page .tuition-stat-card--paid{background:#065f4626;border-left-color:#10b981}.student-tuition-page .tuition-stat-card--paid .amount-num{color:#059669}.is-dark .student-tuition-page .tuition-stat-card--paid .amount-num{color:#34d399}.student-tuition-page .tuition-stat-card--summary{border-left:4px solid #3b82f6;background:#eff6ff99}.is-dark .student-tuition-page .tuition-stat-card--summary{background:#1e3a8a26;border-left-color:#3b82f6}.student-tuition-page .tuition-stat-card--summary .amount-num{color:#2563eb}.is-dark .student-tuition-page .tuition-stat-card--summary .amount-num{color:#60a5fa}.student-tuition-page .tuition-stat-amount{display:flex;align-items:baseline;gap:.25rem}.student-tuition-page .tuition-stat-amount .amount-num{font-size:1.75rem;font-weight:800;font-family:Plus Jakarta Sans,sans-serif}@media(max-width:640px){.student-tuition-page .tuition-stat-amount .amount-num{font-size:1.4rem}}.student-tuition-page .tuition-stat-amount .amount-unit{font-size:.85rem;font-weight:600;color:#64748b}.is-dark .student-tuition-page .tuition-stat-amount .amount-unit{color:#94a3b8}@media(max-width:640px){.student-tuition-page .tuition-stat-amount .amount-unit{font-size:.75rem}}.student-tuition-page .btn-action-view{display:inline-flex;align-items:center;gap:.25rem;padding:.35rem .75rem;font-size:.8rem;font-weight:600;border-radius:.5rem;border:1px solid var(--sm-border, #e2e8f0);background:#fff;color:var(--sm-text, #334155);cursor:pointer;transition:all .2s}.is-dark .student-tuition-page .btn-action-view{background:#1e293b;border-color:#334155;color:#f1f5f9}.student-tuition-page .btn-action-view:hover{background:#f1f5f9;border-color:#cbd5e1}.is-dark .student-tuition-page .btn-action-view:hover{background:#334155}.student-tuition-page .btn-action-view .material-symbols-outlined{font-size:1rem}.student-tuition-page .tuition-session-modal-detail{padding:.5rem}.student-tuition-page .tuition-session-modal-detail .detail-header-info{margin-bottom:1.5rem;border-bottom:1px solid rgba(0,0,0,.05);padding-bottom:1rem}.is-dark .student-tuition-page .tuition-session-modal-detail .detail-header-info{border-bottom-color:#ffffff0d}.student-tuition-page .tuition-session-modal-detail .detail-header-info h4{font-size:1.2rem;font-weight:700;color:var(--sm-text, #0f172a);margin:0 0 .5rem}.is-dark .student-tuition-page .tuition-session-modal-detail .detail-header-info h4{color:#f8fafc}.student-tuition-page .tuition-session-modal-detail .detail-header-info .detail-time-date{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;font-size:.85rem;color:#64748b;margin:0}.is-dark .student-tuition-page .tuition-session-modal-detail .detail-header-info .detail-time-date{color:#94a3b8}.student-tuition-page .session-type-badge{font-size:.75rem;padding:.15rem .4rem;border-radius:.25rem;font-weight:600}.student-tuition-page .session-type-badge.online{background:#eff6ff;color:#1d4ed8}.is-dark .student-tuition-page .session-type-badge.online{background:#1e3a8a4d;color:#60a5fa}.student-tuition-page .session-type-badge.offline{background:#f0fdf4;color:#15803d}.is-dark .student-tuition-page .session-type-badge.offline{background:#14532d4d;color:#4ade80}.student-tuition-page .online-link-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:.5rem;padding:.75rem;margin-bottom:1.5rem;font-size:.875rem}.is-dark .student-tuition-page .online-link-box{background:#1e293b;border-color:#334155}.student-tuition-page .online-link-box .online-link-anchor{color:#3b82f6;text-decoration:underline;margin-left:.5rem;word-break:break-all}.student-tuition-page .detail-notes-section{margin-bottom:1.5rem}.student-tuition-page .detail-notes-section h5{font-size:.9rem;font-weight:700;margin:0 0 .5rem;color:#475569}.is-dark .student-tuition-page .detail-notes-section h5{color:#cbd5e1}.student-tuition-page .note-content-box{background:#fff;border:1px solid #e2e8f0;border-radius:.5rem;padding:.75rem 1rem;min-height:50px;font-size:.9rem;line-height:1.5;color:#334155}.is-dark .student-tuition-page .note-content-box{background:#0f172a;border-color:#334155;color:#cbd5e1}.student-tuition-page .note-content-box p{margin:0}.student-tuition-page .note-content-box.comment-box{border-left:4px solid #eab308;background:#fefdf0}.is-dark .student-tuition-page .note-content-box.comment-box{background:#7160061a;border-left-color:#eab308}.student-tuition-page .modal-financial-summary{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem;padding-top:1rem;border-top:1px dashed #e2e8f0}.is-dark .student-tuition-page .modal-financial-summary{border-top-color:#334155}.student-tuition-page .modal-financial-summary .financial-row{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;color:#475569}.is-dark .student-tuition-page .modal-financial-summary .financial-row{color:#94a3b8}.student-tuition-page .modal-financial-summary .financial-row strong{color:#0f172a}.is-dark .student-tuition-page .modal-financial-summary .financial-row strong{color:#f8fafc}.student-tuition-page .modal-financial-summary .financial-row .text-lg{font-size:1.1rem;color:#dc2626!important}.is-dark .student-tuition-page .modal-financial-summary .financial-row .text-lg{color:#f87171!important}.student-tuition-page .sm-badge{display:inline-flex;align-items:center;padding:.2rem .5rem;font-size:.75rem;font-weight:600;border-radius:99px}.student-tuition-page .sm-badge--success{background:#dcfce7;color:#15803d}.is-dark .student-tuition-page .sm-badge--success{background:#16a34a33;color:#4ade80}.student-tuition-page .sm-badge--danger{background:#fee2e2;color:#b91c1c}.is-dark .student-tuition-page .sm-badge--danger{background:#dc262633;color:#f87171}.student-tuition-page .sm-badge--muted{background:#f1f5f9;color:#475569}.is-dark .student-tuition-page .sm-badge--muted{background:#334155;color:#cbd5e1}.student-tuition-page .sm-badge--info{background:#e0f2fe;color:#0369a1}.is-dark .student-tuition-page .sm-badge--info{background:#0369a133;color:#38bdf8}.student-tuition-page .sm-badge--warning{background:#fef3c7;color:#b45309}.is-dark .student-tuition-page .sm-badge--warning{background:#b4530933;color:#fbbf24}.student-tuition-page .ml-2{margin-left:.5rem}:root{--sm-bg: #f0f4ff;--sm-surface: #ffffff;--sm-surface-soft: #f8faff;--sm-border: #dbe3f0;--sm-text: #1f2937;--sm-text-muted: #637083;--sm-primary: #3b82f6;--sm-primary-dark: #2563eb;--sm-success: #16a34a;--sm-warning: #f59e0b;--sm-danger: #dc2626;--sm-muted: #6b7280;--sm-shadow: 0 4px 24px rgba(37, 99, 235, .07);--sm-shadow-lg: 0 12px 40px rgba(37, 99, 235, .1);--navbar-h: 72px;--sidebar-w: 320px;--student-bg: #f3f4f6;--student-surface: #ffffff;--student-surface-soft: #f9fafb;--student-border: #e5e7eb;--student-text: #111827;--student-text-muted: #4b5563;--student-primary: #111827;--student-accent: #3b82f6;--student-shadow: 0 4px 20px rgba(0, 0, 0, .03);--student-hero-gradient: linear-gradient(135deg, #1f2937 0%, #111827 100%);--student-navbar-bg: #ffffff;--student-navbar-border: #e5e7eb;--student-card-shadow: 0 10px 30px rgba(0, 0, 0, .04)}:root.dark{--student-bg: #0b0f19;--student-surface: #161e2e;--student-surface-soft: #1f2937;--student-border: #243048;--student-text: #f9fafb;--student-text-muted: #94a3b8;--student-primary: #ffffff;--student-accent: #60a5fa;--student-shadow: 0 4px 20px rgba(0, 0, 0, .25);--student-hero-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);--student-navbar-bg: #111827;--student-navbar-border: #1f2937;--student-card-shadow: 0 10px 30px rgba(0, 0, 0, .25)}.mt-4{margin-top:1.5rem!important}.ml-2{margin-left:.5rem!important}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;color:var(--sm-text);background:radial-gradient(ellipse at top left,#e0ecff,#f0f4ff 40%,#f7f9ff);min-height:100vh}@media(min-width:861px){body{zoom:80%;min-height:125vh}}@media(min-width:861px){#app,.app-root,.login-page,.student-login-page,.student-dashboard-layout,.student-schedule-layout,.landing-page{min-height:125vh!important}.navbar{height:125vh!important}.fullscreen-loading-overlay{width:125vw!important;height:125vh!important}}.app-root{display:flex;flex-direction:column;min-height:100vh;width:100%}.app-root--with-nav{padding-top:var(--navbar-h)}@media(min-width:861px){.app-root--with-nav{padding-top:0}}.app-content{flex:1;display:flex;flex-direction:column}@media(min-width:861px){.app-root--with-nav .app-content{margin-left:var(--sidebar-w)}}.app-main{flex:1;max-width:1360px;margin:0 auto;padding:28px 24px 60px;width:100%}@media(min-width:861px){.app-root--with-nav .app-main{max-width:100%;padding:32px 40px;margin:0}}.app-main--student{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;max-width:none;padding:0}@media(min-width:861px){.app-main--student{max-width:none}}.app-main--login{max-width:none!important;padding:0!important;margin:0!important;width:100%!important}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--navbar-h);background:linear-gradient(135deg,#1e293b,#0f172a);border-bottom:1px solid rgba(255,255,255,.06);box-shadow:0 2px 20px #0000002e;transition:all .3s ease}.navbar.navbar--teacher{background:linear-gradient(135deg,#374151,#1f2937);border-bottom-color:#9ca3af26;box-shadow:0 2px 20px #1f293759}.navbar.navbar--teacher .navbar-logo{color:#d1d5db}.navbar.navbar--teacher .navbar-link--active{background:linear-gradient(135deg,#9ca3af33,#d1d5db26);border-color:#9ca3af4d}.navbar.navbar--teacher .navbar-link--active .nav-icon{color:#e5e7eb;filter:drop-shadow(0 0 5px rgba(209,213,219,.4))}.navbar.navbar--teacher .navbar-child-link.active{color:#e5e7eb}.navbar.navbar--teacher .lang-select{background:#9ca3af1f;border-color:#9ca3af40;color:#d1d5db}@media(min-width:861px){.navbar{right:auto;width:var(--sidebar-w);height:100vh;border-bottom:0;border-right:1px solid rgba(255,255,255,.06);flex-direction:column}}.navbar-inner{max-width:1360px;margin:0 auto;height:100%;display:flex;align-items:center;gap:8px;padding:0 24px}@media(min-width:861px){.navbar-inner{flex-direction:column;align-items:stretch;padding:40px 20px;gap:40px;width:100%;max-width:none}}.navbar-brand{display:flex;align-items:center;gap:10px;cursor:pointer;margin-right:16px;flex-shrink:0}@media(min-width:861px){.navbar-brand{margin-right:0;margin-bottom:8px;padding:0 12px}}.navbar-logo{color:#60a5fa;display:flex}.navbar-logo svg{width:32px;height:32px}.navbar-title{font-size:20px;font-weight:700;color:#fff;white-space:nowrap}.navbar-toggle{display:none;background:transparent;border:0;color:#94a3b8;cursor:pointer;padding:6px;margin-left:auto}.navbar-menu{display:flex;align-items:center;gap:2px;flex:1}@media(min-width:861px){.navbar-menu{flex-direction:column;align-items:stretch;width:100%;overflow-y:auto;padding-right:4px;gap:8px}.navbar-menu::-webkit-scrollbar{width:4px}.navbar-menu::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}}.navbar-item-container{display:flex;flex-direction:column;gap:6px}.navbar-link{background:transparent;border:0;color:#94a3b8;font-size:17px;font-weight:600;padding:14px 18px;border-radius:14px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);white-space:nowrap;display:flex;align-items:center;gap:14px;width:100%;text-decoration:none}.navbar-link .nav-icon{display:flex;align-items:center;justify-content:center;width:20px;height:20px;opacity:.7;transition:transform .2s ease}.navbar-link .nav-arrow{margin-left:auto;transition:transform .3s ease;opacity:.5}.navbar-link:hover{color:#fff;background:#ffffff14}.navbar-link:hover .nav-icon{opacity:1;transform:scale(1.1)}.navbar-link--active{color:#fff;background:linear-gradient(135deg,#3b82f633,#8b5cf633);border:1px solid rgba(59,130,246,.3);box-shadow:0 4px 15px #0000001a}.navbar-link--active .nav-icon{color:#60a5fa;opacity:1;filter:drop-shadow(0 0 5px rgba(59,130,246,.5))}.navbar-link--expanded .nav-arrow{transform:rotate(180deg);opacity:1}.navbar-children{display:flex;flex-direction:column;gap:4px;padding-left:48px;margin-top:2px;overflow:hidden}.navbar-child-link{padding:10px 14px;font-size:15px;color:#94a3b8;border-radius:10px;text-decoration:none;transition:all .2s ease;font-weight:500}.navbar-child-link:hover{color:#fff;background:#ffffff0d}.navbar-child-link.active{color:#60a5fa;font-weight:600}.navbar-user{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}@media(min-width:861px){.navbar-user{margin-left:0;width:100%;padding:16px 12px;border-top:1px solid rgba(255,255,255,.08);margin-top:auto}}.navbar-lang{margin-right:12px;display:flex;align-items:center}@media(min-width:861px){.navbar-lang{margin-right:0;margin-bottom:16px;width:100%;padding:0 12px}}.lang-select{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;color:#fff;font-size:13px;padding:6px 10px;cursor:pointer;outline:none;transition:all .2s ease;width:auto}@media(min-width:861px){.lang-select{width:100%}}.lang-select:hover{background:#ffffff1a;border-color:#fff3}.lang-select option{background:#1e293b;color:#fff}.navbar-avatar{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;box-shadow:0 4px 12px #3b82f64d}.navbar-info{display:none}@media(min-width:861px){.navbar-info{display:grid;gap:2px;flex:1}}.navbar-username{color:#fff;font-size:14px;font-weight:600}.navbar-user-role{color:#94a3b8;font-size:11px;text-transform:uppercase;letter-spacing:.05em}.navbar-logout{background:transparent;border:0;color:#64748b;cursor:pointer;padding:8px;border-radius:8px;display:flex;transition:all .2s ease}@media(min-width:861px){.navbar-logout{margin-left:auto}}.navbar-logout:hover{color:#f87171;background:#f871711a;transform:translate(2px)}@media(max-width:860px){.navbar-toggle{display:flex}.navbar-menu{display:none;position:absolute;top:var(--navbar-h);left:0;right:0;flex-direction:column;background:#1e293b;padding:12px;border-bottom:1px solid rgba(255,255,255,.06);box-shadow:0 8px 20px #0003;gap:4px;max-height:calc(100vh - var(--navbar-h));overflow-y:auto}.navbar-menu--open{display:flex}.navbar-item-container{width:100%}.navbar-link{width:100%;text-align:left;padding:14px 16px;font-size:16px}.navbar-children{padding-left:44px;margin-bottom:8px}.navbar-child-link{padding:10px 14px;font-size:15px}.navbar-username{display:none}.navbar--teacher .navbar-menu{background:#1f2937}}.page-header h1{margin:0;font-size:26px;font-weight:800}.page-header p{margin:6px 0 0;color:var(--sm-text-muted)}.page-content{display:grid;gap:20px}.ui-card{border:1px solid var(--sm-border);border-radius:16px;background:var(--sm-surface);box-shadow:var(--sm-shadow);transition:box-shadow .2s ease}.ui-card__header{padding:20px 24px 0}.ui-card__header h2{margin:0;font-size:18px;font-weight:700}.ui-card__header p{margin:5px 0 0;color:var(--sm-text-muted);font-size:14px}.ui-card__body{padding:20px 24px}@media(max-width:600px){.ui-card__header{padding:16px 16px 0}.ui-card__body{padding:16px}}.sm-alert{margin:0;padding:12px 16px;border-radius:12px;font-size:14px;font-weight:500}.sm-alert--danger{color:#7f1d1d;background:#fee2e2;border:1px solid #fecaca}.sm-alert--success{color:#14532d;background:#dcfce7;border:1px solid #bbf7d0}.sm-grid{display:grid;gap:20px}.sm-grid--2{grid-template-columns:1fr 1.4fr}@media(max-width:1100px){.sm-grid--2{grid-template-columns:1fr}}@media(max-width:1300px){.students-grid{grid-template-columns:1fr}}.sm-form{display:grid;gap:14px}.sm-form-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}@media(max-width:600px){.sm-form-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}}.sm-form-grid--session{display:flex;align-items:flex-start;flex-wrap:wrap}.sm-form-grid--session>:nth-child(1){flex:1 1 200px;max-width:280px}@media(max-width:800px){.sm-form-grid--session{flex-direction:column;gap:14px}.sm-form-grid--session>:nth-child(1){flex:none;max-width:none;width:100%}}.sm-form-group-inline{display:flex;align-items:flex-start;gap:32px}@media(max-width:600px){.sm-form-group-inline{flex-direction:column;gap:14px}}.ui-field{display:grid;gap:5px}.ui-field__label{font-size:13px;font-weight:600;color:var(--sm-text)}.ui-field__hint{font-size:12px;color:var(--sm-text-muted)}.ui-control,.login-field input{width:100%;min-height:40px;border:1px solid var(--sm-border);border-radius:10px;padding:8px 12px;background:#fff;color:var(--sm-text);font-size:14px;font-family:inherit;transition:border-color .15s ease,box-shadow .15s ease}textarea.ui-control{min-height:auto}.ui-control:focus,.login-field input:focus{outline:none;border-color:var(--sm-primary);box-shadow:0 0 0 3px #3b82f626}.sm-actions{display:flex;gap:8px;flex-wrap:wrap}.sm-radio-group{display:flex;gap:20px;padding:10px 0}.sm-radio{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px}.sm-radio input{width:18px;height:18px;accent-color:var(--sm-primary);cursor:pointer}.sm-radio span{font-weight:500}.ui-btn,.login-submit{min-height:38px;border:1px solid transparent;border-radius:10px;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s ease;display:inline-flex;align-items:center;justify-content:center;gap:6px}.ui-btn:disabled,.login-submit:disabled{cursor:not-allowed;opacity:.6}.ui-btn--block{width:100%}.ui-btn--primary,.login-submit{background:var(--sm-primary);color:#fff}.ui-btn--primary:hover:not(:disabled),.login-submit:hover:not(:disabled){background:var(--sm-primary-dark);box-shadow:0 4px 12px #3b82f64d}.ui-btn--secondary{background:var(--sm-surface-soft);border-color:var(--sm-border);color:var(--sm-text)}.ui-btn--secondary:hover:not(:disabled){background:#eef2ff}.ui-btn--danger{background:#fff;border-color:#fecaca;color:var(--sm-danger)}.ui-btn--danger:hover:not(:disabled){background:#fef2f2}.ui-btn--ghost{background:transparent;border-color:var(--sm-border);color:var(--sm-text-muted)}.ui-btn--ghost:hover:not(:disabled){background:var(--sm-surface-soft)}.ui-badge{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600;white-space:nowrap}.ui-badge--primary{color:#1d4ed8;background:#dbeafe}.ui-badge--success{color:#166534;background:#dcfce7}.ui-badge--warning{color:#92400e;background:#fef3c7}.ui-badge--danger{color:#991b1b;background:#fee2e2}.ui-badge--info{color:#0369a1;background:#e0f2fe}.ui-badge--muted{color:#374151;background:#e5e7eb}.sm-section-divider{margin:18px 0;border-top:1px dashed var(--sm-border)}.sm-empty-state{background:var(--sm-surface-soft);color:var(--sm-text-muted);border:1px dashed var(--sm-border);border-radius:12px;padding:20px;text-align:center;font-size:14px}.classroom-selector{display:flex;flex-wrap:wrap;gap:10px}.classroom-chip{border:1px solid var(--sm-border);background:#fff;border-radius:12px;padding:10px 16px;text-align:left;cursor:pointer;display:grid;gap:3px;transition:all .15s ease;min-width:140px}.classroom-chip strong{font-size:14px}.classroom-chip span{font-size:12px;color:var(--sm-text-muted)}.classroom-chip:hover{border-color:#93c5fd;background:#f8fbff}.classroom-chip--active{border-color:#60a5fa;background:#eff6ff;box-shadow:0 0 0 2px #60a5fa33}.class-list{display:grid;gap:10px}.class-item{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1px solid var(--sm-border);background:#fff;border-radius:12px;padding:12px 14px;transition:all .15s ease}.class-item:hover{box-shadow:var(--sm-shadow)}.class-item__main{display:grid;gap:3px;color:inherit}.class-item__main span{font-size:13px;color:var(--sm-text-muted)}.class-item__meta{display:flex;align-items:center;gap:8px;flex-shrink:0}@media(max-width:600px){.class-item{flex-direction:column;align-items:stretch;gap:12px}.class-item__meta{justify-content:flex-end;padding-top:10px;border-top:1px dashed var(--sm-border)}}.list-toolbar{margin-bottom:14px}.sm-table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--sm-border)}.sm-table{width:100%;border-collapse:collapse;min-width:700px}.sm-table th,.sm-table td{border-bottom:1px solid var(--sm-border);padding:10px 12px;text-align:left;vertical-align:top}.sm-table td.sm-actions-cell{vertical-align:middle}.sm-table th{color:#334155;font-size:13px;font-weight:700;background:#f8fbff;position:sticky;top:0}.sm-table tbody tr:hover{background:#fafbff}.sm-table tbody tr:last-child td{border-bottom:none}.sm-subtext{margin:3px 0 0;font-size:12px;color:var(--sm-text-muted)}.session-list-filter{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding:8px 12px;background:#f8fafc;border:1px solid var(--sm-border);border-radius:8px;gap:12px;flex-wrap:wrap}.session-list-filter .filter-group{display:flex;align-items:center;gap:8px}.session-list-filter .filter-label{font-size:13px;font-weight:600;color:#334155}.session-list-filter .filter-select{padding:6px 12px;font-size:13px;height:34px;width:auto;min-width:150px;border-radius:6px;background-color:#fff}.session-list-filter .session-count-badge{font-size:12px;font-weight:500;color:var(--sm-text-muted);background:#e2e8f0;padding:3px 8px;border-radius:9999px}.session-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;max-height:280px;overflow-y:auto;padding-right:6px}@media(max-width:1024px){.session-list{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:860px){.session-list{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:640px){.session-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:480px){.session-list{grid-template-columns:1fr}}.session-pill-wrapper{position:relative;display:flex;width:100%}.session-pill{border:1px solid var(--sm-border);background:#fff;border-radius:12px;padding:8px 14px;text-align:left;cursor:pointer;display:grid;gap:2px;width:100%;min-width:0;transition:all .15s ease;font-family:inherit}.session-pill strong{font-size:13px}.session-pill span{font-size:12px;color:var(--sm-text-muted)}.session-pill__meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin:2px 0}.session-pill__time{font-size:11px;font-weight:700;color:var(--sm-primary);background:#3b82f61a;padding:1px 6px;border-radius:4px;display:inline-block}.session-pill__type{font-size:10px;font-weight:700;text-transform:uppercase}.session-pill--ongoing{background:#f0f7ff;border-color:#3b82f6;border-left:4px solid #3b82f6}.session-pill--ongoing strong{color:#1e40af}.session-pill--ongoing span{color:#3b82f6}.session-pill--ongoing:hover{border-color:#2563eb;background:#e0f2fe}.session-pill--ongoing.session-pill--active{border-color:#1d4ed8;background:#e0f2fe;box-shadow:0 0 0 3px #3b82f633}.session-pill--upcoming{background:#fff1f2;border-color:#fda4af;border-left:4px solid #fb7185}.session-pill--upcoming strong{color:#be123c}.session-pill--upcoming span{color:#e11d48}.session-pill--upcoming:hover{border-color:#f43f5e;background:#ffe4e6}.session-pill--upcoming.session-pill--active{border-color:#be123c;background:#ffe4e6;box-shadow:0 0 0 3px #e11d4833}.session-pill--past{background:#f1f5f9;border-color:#cbd5e1;border-left:4px solid #94a3b8}.session-pill--past strong,.session-pill--past span{color:#475569}.session-pill--past:hover{border-color:#94a3b8;background:#e2e8f0}.session-pill--past.session-pill--active{border-color:#475569;background:#e2e8f0;box-shadow:0 0 0 3px #47556933}.session-delete-btn{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;border:1px solid #fecaca;background:#fff;color:var(--sm-danger);font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;opacity:0;line-height:1;z-index:2}.session-pill-wrapper:hover .session-delete-btn{opacity:1}.session-delete-btn:hover{background:#fef2f2}.session-edit-btn{position:absolute;bottom:-6px;right:-6px;width:22px;height:22px;border-radius:50%;border:1px solid #bfdbfe;background:#fff;color:var(--sm-primary);font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;opacity:0;line-height:1;z-index:2}.session-pill-wrapper:hover .session-edit-btn{opacity:1}.session-edit-btn:hover{background:#eff6ff}.session-sheet{margin-top:16px;display:grid;gap:14px}.session-sheet__header{display:grid;gap:6px}.session-sheet__title{display:flex;align-items:center;gap:12px}@media(max-width:600px){.session-sheet__title{flex-direction:column;align-items:flex-start;gap:6px}}.session-sheet__header h3{margin:0;font-size:17px;font-weight:700}.session-sheet__header p{margin:0;font-size:13px;color:var(--sm-text-muted)}.session-sheet__link{background:#f8fbff;border:1px solid #dbeafe;border-radius:8px;padding:8px 12px;font-size:14px;font-weight:500}.session-sheet__link .sm-link{color:var(--sm-primary);text-decoration:none}.session-sheet__link .sm-link:hover{text-decoration:underline}.status-group{display:flex;gap:6px;flex-wrap:wrap}.login-footer{margin-top:16px;padding-top:12px;border-top:1px dashed #e2e8f0;display:flex;justify-content:center;align-items:center;min-height:40px}.login-lang-wrapper{display:flex;align-items:center;gap:8px;background:#f8fafc;border:1px solid #e2e8f0;padding:6px 14px;min-height:38px;box-sizing:border-box;border-radius:99px;transition:all .2s ease}.login-lang-wrapper:hover{border-color:#cbd5e1;background:#f1f5f9;box-shadow:0 2px 8px #0000000a}.login-lang-wrapper .lang-icon{font-size:14px;filter:grayscale(100%);opacity:.6}.lang-select-auth{background:transparent;border:none;font-size:13px;font-weight:600;color:#64748b;cursor:pointer;outline:none;padding-right:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none}.lang-select-auth option{background:#fff;color:#1e293b}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e293b,#1e3a5f);padding:20px}.login-card{width:100%;max-width:420px;background:#fff;border-radius:20px;padding:40px 36px 32px;box-shadow:0 20px 60px #00000040;position:relative;overflow:hidden}.login-header{text-align:center;margin-bottom:28px}.login-logo{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,#3b82f6,#8b5cf6);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:#fff}.login-header h1{margin:0;font-size:24px;font-weight:800}.login-header p{margin:8px 0 0;color:var(--sm-text-muted);font-size:14px}.login-error{background:#fee2e2;color:#991b1b;padding:10px 14px;border-radius:10px;font-size:14px;margin-bottom:16px;text-align:center}.login-form{display:grid;gap:16px}.login-field{display:grid;gap:6px}.login-field span{font-size:13px;font-weight:600}.login-checkbox{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}.login-checkbox input{width:16px;height:16px;accent-color:var(--sm-primary)}.login-submit{width:100%;min-height:44px;font-size:15px;border-radius:12px;margin-top:4px}.login-submit:hover:not(:disabled){background:var(--sm-primary-dark);box-shadow:0 4px 16px #3b82f659}.login-alt-entry{margin:14px 0 0;text-align:center;font-size:13px;color:var(--sm-text-muted)}.login-alt-entry a{color:var(--sm-primary);font-weight:700;text-decoration:none}.login-alt-entry a:hover{text-decoration:underline}.dashboard{display:grid;gap:24px}.dashboard-welcome h1{margin:0;font-size:28px;font-weight:800}.dashboard-welcome p{margin:6px 0 0;color:var(--sm-text-muted);font-size:15px}.dashboard-loading{text-align:center;padding:40px;color:var(--sm-text-muted)}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.stat-card{border-radius:16px;padding:22px 20px;display:flex;align-items:center;gap:16px;box-shadow:var(--sm-shadow);transition:transform .2s ease,box-shadow .2s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sm-shadow-lg)}.stat-card--blue{background:linear-gradient(135deg,#eff6ff,#dbeafe);border:1px solid #bfdbfe}.stat-card--green{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border:1px solid #bbf7d0}.stat-card--purple{background:linear-gradient(135deg,#faf5ff,#f3e8ff);border:1px solid #e9d5ff}.stat-card--orange{background:linear-gradient(135deg,#fffbeb,#fef3c7);border:1px solid #fde68a}.stat-card__icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-card--blue .stat-card__icon{background:#3b82f6;color:#fff}.stat-card--green .stat-card__icon{background:#16a34a;color:#fff}.stat-card--purple .stat-card__icon{background:#8b5cf6;color:#fff}.stat-card--orange .stat-card__icon{background:#f59e0b;color:#fff}.stat-card__value{font-size:28px;font-weight:800;display:block;line-height:1.1}.stat-card__label{font-size:13px;color:var(--sm-text-muted);font-weight:500}.dashboard-classrooms{display:grid;gap:14px}.dashboard-classrooms h2{margin:0;font-size:20px;font-weight:700}.dashboard-class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.dashboard-class-card{border:1px solid var(--sm-border);border-radius:14px;background:#fff;padding:18px 20px;text-decoration:none;color:inherit;transition:all .15s ease;display:grid;gap:8px}.dashboard-class-card:hover{border-color:#93c5fd;box-shadow:var(--sm-shadow);transform:translateY(-1px)}.dashboard-class-card__header{display:flex;justify-content:space-between;align-items:center}.dashboard-class-card__header h3{margin:0;font-size:16px;font-weight:700}.dashboard-class-card__badge{font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px}.badge--active{background:#dcfce7;color:#166534}.badge--inactive{background:#e5e7eb;color:#374151}.dashboard-class-card__stats{display:flex;gap:16px;font-size:13px;color:var(--sm-text-muted)}.dashboard-class-card__code{margin:0;font-size:12px;color:var(--sm-text-muted)}.dashboard-empty{text-align:center;padding:40px}.dashboard-empty p{color:var(--sm-text-muted);margin:0 0 12px}.dashboard-empty__link{color:var(--sm-primary);text-decoration:none;font-weight:600}.payment-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:14px}.payment-toolbar__left,.payment-toolbar__right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.payment-selected-count{font-size:14px;color:var(--sm-text-muted)}.payment-table-wrap{max-height:70vh;overflow:auto}.payment-table{min-width:auto}.payment-table th,.payment-table td{text-align:center;padding:8px}.payment-sticky-col{position:sticky;left:0;background:#fff;z-index:2;text-align:left!important;min-width:160px}.payment-table thead .payment-sticky-col{background:#f8fbff;z-index:3}.payment-date-col{min-width:70px}.payment-date-col span{display:block;font-size:12px}.payment-cell{cursor:pointer;transition:all .1s ease;-webkit-user-select:none;user-select:none;position:relative}.payment-cell:hover{background:#f0f4ff}.payment-cell--paid{background:#f0fdf4}.payment-cell--unpaid{background:#fff}.payment-cell--absent{background:#f9fafb;cursor:default;opacity:.5}.payment-cell--selected{background:#dbeafe!important;box-shadow:inset 0 0 0 2px #3b82f6}.payment-cell__icon{font-size:18px}.payment-legend{display:flex;gap:20px;flex-wrap:wrap;padding:12px 0 0;font-size:13px;color:var(--sm-text-muted)}.payment-legend__item{display:flex;align-items:center;gap:6px}.payment-legend__icon{font-size:16px}.payment-checkbox{width:24px;height:24px;cursor:pointer;accent-color:var(--sm-primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#00000073;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px}.modal-container{background:#fff;border-radius:18px;padding:28px;max-width:420px;width:100%;box-shadow:0 20px 60px #0003}.modal-header{display:flex;align-items:center;gap:14px}.modal-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.modal-icon--danger{background:#fee2e2;color:#dc2626}.modal-icon--primary{background:#dbeafe;color:#3b82f6}.modal-icon--warning{background:#fef3c7;color:#f59e0b}.modal-title{margin:0;font-size:18px;font-weight:700}.modal-message{margin:0 0 20px;color:var(--sm-text-muted);font-size:14px;line-height:1.5}.modal-actions{display:flex;gap:10px;justify-content:flex-end}.modal-btn{padding:9px 20px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;font-family:inherit;transition:all .15s ease}.modal-btn--cancel{background:var(--sm-surface-soft);border-color:var(--sm-border);color:var(--sm-text)}.modal-btn--cancel:hover{background:#eef2ff}.modal-btn--danger{background:#dc2626;color:#fff}.modal-btn--danger:hover{background:#b91c1c}.modal-btn--primary{background:#3b82f6;color:#fff}.modal-btn--primary:hover{background:#2563eb}.modal-btn--warning{background:#f59e0b;color:#fff}.modal-btn--warning:hover{background:#d97706}.modal-enter-active,.modal-leave-active{transition:opacity .2s ease}.modal-enter-from,.modal-leave-to{opacity:0}.modal-enter-active .modal-container{animation:modal-pop .25s ease}@keyframes modal-pop{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.toast{position:fixed;bottom:24px;right:24px;z-index:2000;display:flex;align-items:center;gap:10px;padding:14px 20px;border-radius:12px;box-shadow:0 8px 30px #00000026;cursor:pointer;max-width:400px;font-size:14px;font-weight:500}.toast--success{background:#166534;color:#fff}.toast--error{background:#991b1b;color:#fff}.toast--info{background:#1e40af;color:#fff}.toast-icon{display:flex;flex-shrink:0}.toast-enter-active,.toast-leave-active{transition:all .3s ease}.toast-enter-from{opacity:0;transform:translateY(20px)}.toast-leave-to{opacity:0;transform:translate(100px)}.attachment-section{margin-top:8px}.attachment-section__title{margin:0 0 14px;font-size:15px;font-weight:700;display:flex;align-items:center;gap:6px}.attachment-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}@media(max-width:860px){.attachment-columns{grid-template-columns:1fr}}.attachment-col{border:1px solid var(--sm-border);border-radius:12px;background:var(--sm-surface);overflow:hidden}.attachment-col__header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:3px solid;font-size:13px;font-weight:700}.attachment-upload-btn{color:#fff;border:0;border-radius:8px;padding:5px 12px;font-size:12px;font-weight:600;cursor:pointer;font-family:inherit;transition:opacity .15s ease}.attachment-upload-btn:hover:not(:disabled){opacity:.85}.attachment-upload-btn:disabled{opacity:.5;cursor:not-allowed}.attachment-col__body{padding:8px;display:grid;gap:6px}.attachment-empty{padding:14px 10px;text-align:center;font-size:12px;color:var(--sm-text-muted)}.attachment-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--sm-border);border-radius:8px;text-decoration:none;color:inherit;transition:all .15s ease}.attachment-item:hover{background:var(--sm-surface-soft);border-color:#93c5fd}.attachment-item__icon{font-size:18px;flex-shrink:0}.attachment-item__info{flex:1;min-width:0;display:grid;gap:1px}.attachment-item__name{font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-item__size{font-size:11px;color:var(--sm-text-muted)}.attachment-item__delete{background:transparent;border:0;cursor:pointer;color:var(--sm-danger);font-size:16px;font-weight:700;padding:2px 4px;border-radius:4px;flex-shrink:0;opacity:0;transition:opacity .15s ease;line-height:1}.attachment-item:hover .attachment-item__delete{opacity:1}.attachment-item__delete:hover{background:#fee2e2}.app-footer{flex-shrink:0;background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(59,130,246,.1);padding:32px 0;margin-top:auto;color:var(--sm-text-muted);position:relative;overflow:hidden}.app-footer:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--sm-primary),transparent);opacity:.3}.footer-inner{max-width:1360px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;position:relative;z-index:1}.footer-copyright{font-size:14px;letter-spacing:-.01em}.footer-copyright strong{color:var(--sm-text);font-weight:700;position:relative}.footer-copyright strong:after{content:"";position:absolute;bottom:-2px;left:0;width:100%;height:1px;background:var(--sm-primary);transform:scaleX(0);transition:transform .3s ease;transform-origin:right}.footer-copyright strong:hover:after{transform:scaleX(1);transform-origin:left}.footer-info{display:flex;align-items:center;gap:24px}.footer-phone{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--sm-text);padding:8px 16px;background:#3b82f60d;border-radius:99px;transition:all .3s ease;border:1px solid transparent}.footer-phone svg{color:var(--sm-primary);transition:transform .3s ease}.footer-phone:hover{background:#3b82f61a;border-color:#3b82f633;transform:translateY(-2px)}.footer-phone:hover svg{transform:rotate(15deg) scale(1.1)}.footer-social{width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--sm-surface);border:1px solid var(--sm-border);color:var(--sm-text-muted);border-radius:12px;transition:all .3s cubic-bezier(.34,1.56,.64,1);box-shadow:0 2px 8px #0000000a}.footer-social:hover{color:#fff;background:#1877f2;border-color:#1877f2;transform:translateY(-4px) rotate(8deg);box-shadow:0 8px 20px #1877f24d}@media(max-width:768px){.app-footer{padding:40px 0}.footer-inner{flex-direction:column;text-align:center;gap:32px}.footer-info{flex-direction:row;justify-content:center;gap:16px}}.student-solutions{display:flex;flex-wrap:wrap;gap:4px}.solution-link{display:flex;align-items:center;justify-content:center;width:32px;min-width:32px;height:28px;background:#fef2f2;border:1px solid #fee2e2;border-radius:6px;text-decoration:none;font-size:16px;transition:all .2s;color:#dc2626}.solution-link:hover{background:#fee2e2;transform:translateY(-1px)}.sm-checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;color:var(--sm-text);-webkit-user-select:none;user-select:none}.sm-checkbox-label input{width:18px;height:18px;cursor:pointer}.attachment-col__title-wrap{display:flex;align-items:center;gap:12px}.ai-review-cell{display:flex;flex-direction:column;gap:4px}.ai-review-status{display:flex;align-items:center;gap:8px}.sm-link-btn{background:none;border:none;color:var(--sm-primary);text-decoration:underline;padding:0;cursor:pointer;font-size:13px}.sm-link-btn:hover{color:var(--sm-primary-dark)}.ai-review-rerun{font-size:12px}.ai-review-setup{display:flex;flex-direction:column;gap:18px}.ai-review-hero{display:flex;gap:14px;padding:16px;border:1px solid #dbeafe;border-radius:16px;background:linear-gradient(135deg,#eff6ff,#f8fafc 55%,#f5f3ff)}.ai-review-hero h4{margin:0 0 6px;color:var(--sm-text-dark);font-size:16px}.ai-review-hero p{margin:0;color:var(--sm-text);line-height:1.55;font-size:14px}.ai-review-hero__icon{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;border-radius:14px;background:#fff;box-shadow:0 10px 24px #2563eb29;font-size:22px}.ai-review-option-grid{display:flex;flex-direction:column;gap:12px}.ai-review-option-card{position:relative;display:flex;gap:12px;align-items:flex-start;width:100%;padding:14px;border:1px solid #e2e8f0;border-radius:14px;background:#fff;cursor:pointer;transition:.2s ease;box-shadow:0 6px 18px #0f172a0a}.ai-review-option-card:hover{border-color:#93c5fd;transform:translateY(-1px);box-shadow:0 12px 24px #2563eb1a}.ai-review-option-card:has(input:checked){border-color:var(--sm-primary);background:#eff6ff;box-shadow:0 12px 24px #2563eb1f}.ai-review-option-card input{width:20px;height:20px;flex:0 0 20px;margin-top:2px;accent-color:var(--sm-primary);cursor:pointer}.ai-review-option-card strong{display:block;color:var(--sm-text-dark);margin-bottom:4px}.ai-review-option-card small{display:block;color:var(--sm-text-muted);line-height:1.4}.ai-review-option-card--with-files{flex-direction:column;gap:10px;cursor:default}.ai-review-option-card__header{display:flex;align-items:flex-start;gap:12px;width:100%;min-height:34px;cursor:pointer}.ai-review-option-card__icon{width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;border-radius:10px;background:#f8fafc}.ai-review-file-list{display:flex;flex-direction:column;gap:8px;width:100%;max-height:260px;overflow-y:auto;padding:8px;border-radius:12px;background:#f8fafc}.ai-review-file-option{display:grid;grid-template-columns:22px 24px minmax(0,1fr) auto;align-items:center;gap:8px;padding:8px;border:1px solid #e2e8f0;border-radius:10px;background:#fff;cursor:pointer}.ai-review-file-option input{width:18px;height:18px;margin:0;accent-color:var(--sm-primary);cursor:pointer}.ai-review-file-option__name{overflow:hidden;color:var(--sm-text-dark);font-size:13px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.ai-review-file-option__size{color:var(--sm-text-muted);font-size:12px}.ai-review-setup-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:4px}.ai-review-details{display:flex;flex-direction:column;gap:20px}.ai-review-score{display:flex;align-items:center;gap:12px;background:#f0fdf4;padding:16px;border-radius:12px;border:1px solid #dcfce7}.ai-review-score .score-label{font-weight:600;color:#166534}.ai-review-score .score-value{font-size:24px;font-weight:800;color:#15803d}.ai-review-summary h4{margin-bottom:8px;color:var(--sm-text-dark)}.ai-review-summary p{line-height:1.6;color:var(--sm-text)}.ai-review-items h4{margin-bottom:12px;color:var(--sm-text-dark)}.ai-review-item{padding:12px;border-bottom:1px solid #f1f5f9}.ai-review-item:last-child{border-bottom:none}.ai-review-item .item-point{margin-bottom:4px;color:var(--sm-text-dark)}.ai-review-item .item-explanation{font-size:14px;color:var(--sm-text);margin-bottom:4px}.ai-review-item .item-suggestion{font-size:13px;color:#0369a1;background:#f0f9ff;padding:6px 10px;border-radius:6px;margin-top:8px}@media(max-width:768px){.attendance-page .sm-table th,.attendance-page .sm-table td{padding:8px 6px;font-size:12px}.attendance-page .status-group{flex-direction:column;align-items:flex-start}.attendance-page .session-sheet__header h3{font-size:15px}.attendance-page .ai-review-option-grid{grid-template-columns:1fr}.attendance-page .ai-review-hero{flex-direction:column}}.sm-search-input{position:relative;width:100%}.sm-search-input input{width:100%;padding:.75rem 1rem .75rem 2.5rem;border:1px solid var(--sm-border);border-radius:.75rem;font-size:.95rem;transition:all .2s;background:#fff}.sm-search-input input:focus{outline:none;border-color:var(--sm-primary);box-shadow:0 0 0 4px #3b82f61a}.sm-search-input .search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);font-size:1.15rem;color:var(--sm-text-muted);pointer-events:none;line-height:1}.toolbar-wrapper{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:.5rem}.toolbar-wrapper .sm-search-input{max-width:320px}@media(max-width:600px){.toolbar-wrapper .sm-search-input{max-width:100%}}.sm-filter-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.btn-filter-trigger{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--sm-border);border-radius:.75rem;padding:.7rem 1.15rem;font-size:.9rem;font-weight:600;color:var(--sm-text);cursor:pointer;transition:all .2s ease}.btn-filter-trigger:hover{border-color:var(--sm-primary);background:var(--sm-surface-soft)}.btn-filter-trigger .filter-badge{display:inline-flex;align-items:center;justify-content:center;background:var(--sm-primary);color:#fff;font-size:11px;font-weight:700;border-radius:99px;min-width:18px;height:18px;padding:0 4px;line-height:1}.fc .fc-col-header,.fc .fc-daygrid-body,.fc .fc-timegrid-body,.fc .fc-scrollgrid-sync-table,.fc .fc-col-header table,.fc .fc-daygrid-body table,.fc .fc-timegrid-body table{width:100%!important}.submission-deadline-notice{font-size:11px;font-weight:600;border-radius:6px;padding:4px 8px;display:inline-flex;align-items:center;gap:5px;margin-top:4px;margin-bottom:12px;border:1px solid transparent;width:fit-content;line-height:1.2}.submission-deadline-notice--locked{color:#ef4444;background:#ef44440d;border-color:#ef444426}.submission-deadline-notice--upcoming{color:#b45309;background:#f59e0b14;border-color:#f59e0b26}.submission-deadline-notice--active{color:var(--student-accent, #3b82f6);background:#3b82f60d;border-color:#3b82f626}:root.dark .submission-deadline-notice--locked{background:#ef44441a;border-color:#ef444433}:root.dark .submission-deadline-notice--upcoming{color:#fbbf24;background:#f59e0b1f;border-color:#f59e0b40}:root.dark .submission-deadline-notice--active{background:#60a5fa1a;border-color:#60a5fa33}