@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--primary: #2563EB;--primary-light: #EFF6FF;--primary-dark: #1D4ED8;--secondary: #10B981;--warning: #F59E0B;--error: #EF4444;--purple: #8B5CF6;--bg: #F8FAFC;--surface: #FFFFFF;--sidebar-bg: #0B1120;--sidebar-hover: #1E293B;--sidebar-active: #1D4ED8;--text-primary: #0F172A;--text-secondary: #475569;--text-muted: #94A3B8;--border: #E2E8F0;--border-light: #F1F5F9;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .04), 0 1px 2px -1px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .06), 0 2px 4px -2px rgba(0, 0, 0, .06);--shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, .06), 0 4px 12px -2px rgba(0, 0, 0, .04);--shadow-xl: 0 24px 48px -12px rgba(0, 0, 0, .12);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .04);--sidebar-width: 260px;--topbar-height: 72px}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-default);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:#94a3b84d;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#94a3b880}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);color:#cbd5e1;display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;transition:transform .3s ease,width .2s ease;overflow:hidden}.sidebar.collapsed{width:65px}.sidebar.collapsed .sidebar-brand span,.sidebar.collapsed .sidebar-section-title,.sidebar.collapsed .sidebar-user-info,.sidebar.collapsed .sidebar-user .btn-icon{display:none}.sidebar.collapsed .sidebar-brand h1{font-size:16px}.sidebar.collapsed .sidebar-link{justify-content:center;padding:10px 8px;position:relative}.sidebar.collapsed .sidebar-link span:not(.icon){display:none}.sidebar.collapsed .sidebar-link .icon{margin:0;font-size:20px}.sidebar.collapsed .sidebar-link:hover:after{content:attr(data-tooltip);position:absolute;left:100%;top:50%;transform:translateY(-50%);background:var(--sidebar-bg);color:#e2e8f0;padding:4px 12px;border-radius:6px;font-size:13px;white-space:nowrap;margin-left:8px;z-index:200;box-shadow:0 2px 8px #0000004d}.sidebar.collapsed .sidebar-nav{padding:12px 6px}.sidebar.collapsed .sidebar-section{margin-bottom:8px}.sidebar.collapsed .sidebar-user{justify-content:center;padding:12px}.sidebar.collapsed .sidebar-brand{padding:16px 8px;flex-direction:column;justify-content:center;gap:16px}.sidebar-collapse-btn{background:none;border:none;color:#64748b;cursor:pointer;padding:4px;font-size:18px;display:flex;align-items:center;transition:color .15s}.sidebar-collapse-btn:hover{color:#e2e8f0}.sidebar.hidden{transform:translate(-100%)}.mobile-overlay-active{overflow:hidden}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:90}.sidebar-overlay.active{display:block}.sidebar-brand{padding:24px 20px;border-bottom:1px solid var(--sidebar-border);display:flex;align-items:center;justify-content:space-between}.sidebar-brand h1{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.5px}.sidebar-brand span{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1.5px;margin-top:2px;display:block}.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}.sidebar-section{margin-bottom:20px}.sidebar-section-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.8px;color:#475569;padding:0 12px;margin-bottom:8px}.sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-md);color:#94a3b8;text-decoration:none;font-size:14px;font-weight:500;transition:all .15s ease;cursor:pointer;border:none;background:none;width:100%;text-align:left}.sidebar-link:hover{background:var(--sidebar-hover);color:#e2e8f0}.sidebar-link.active{background:var(--sidebar-active);color:#fff;font-weight:600;border-left:3px solid #60A5FA}.sidebar-link .icon{font-size:18px;width:22px;text-align:center}.sidebar-user{padding:16px 20px;border-top:1px solid rgba(255,255,255,.06);display:flex;align-items:center;gap:12px}.sidebar-user-avatar{width:36px;height:36px;border-radius:10px;background:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:14px}.sidebar-user-info{flex:1}.sidebar-user-info .name{font-size:13px;font-weight:600;color:#fff}.sidebar-user-info .role{font-size:11px;color:#64748b}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;transition:all .3s ease;min-width:0}.main-content.collapsed{margin-left:65px}.main-content.full{margin-left:0}.topbar{min-height:var(--topbar-height);background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.8);display:flex;align-items:center;justify-content:space-between;padding:10px 28px;position:sticky;top:0;z-index:50;flex-wrap:wrap;gap:12px}.topbar-title{font-size:20px;font-weight:700;color:var(--text-primary)}.topbar-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.page-content{padding:28px}.sidebar-toggle{display:none;background:none;border:none;font-size:24px;padding:8px;cursor:pointer;color:var(--text-primary);margin-right:12px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);transition:transform .25s cubic-bezier(.4,0,.2,1),box-shadow .25s cubic-bezier(.4,0,.2,1),border-color .25s ease}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:#2563eb33}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.card-title{font-size:17px;font-weight:700;letter-spacing:-.3px;color:var(--text-primary)}.grid-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.grid-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;cursor:pointer;transition:all .2s ease;text-decoration:none;color:inherit}.grid-tile:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--primary)}.grid-tile-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}.grid-tile-title{font-size:15px;font-weight:700;margin-bottom:2px}.grid-tile-subtitle{font-size:13px;color:var(--text-secondary)}.dashboard-section{margin-bottom:32px}.section-header{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);margin-bottom:16px;border-bottom:1px solid var(--border-light);padding-bottom:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-md);font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .2s cubic-bezier(.4,0,.2,1);font-family:inherit;box-shadow:var(--shadow-sm);white-space:nowrap}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(180deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;border-top:1px solid rgba(255,255,255,.2);text-shadow:0 1px 1px rgba(0,0,0,.2)}.btn-primary:hover{background:linear-gradient(180deg,#3B82F6 0%,var(--primary) 100%);box-shadow:0 4px 12px #2563eb4d;transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover{background:var(--bg);border-color:#cbd5e1;box-shadow:var(--shadow-sm)}.btn-success{background:linear-gradient(180deg,var(--secondary) 0%,#059669 100%);color:#fff;border-top:1px solid rgba(255,255,255,.2)}.btn-danger{background:linear-gradient(180deg,var(--error) 0%,#DC2626 100%);color:#fff;border-top:1px solid rgba(255,255,255,.2)}.btn-danger:hover{box-shadow:0 4px 12px #ef44444d;transform:translateY(-1px)}.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:var(--radius-sm)}.btn-lg{height:52px;padding:0 28px;font-size:15px;border-radius:var(--radius-lg)}.btn-icon{padding:8px;border-radius:var(--radius-sm);background:transparent;border:none;cursor:pointer;color:var(--text-secondary);transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-icon:hover{background:var(--primary-light);color:var(--primary);transform:scale(1.05)}.form-group{margin-bottom:20px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:8px;letter-spacing:-.2px}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:14px;font-family:inherit;background:var(--surface);color:var(--text-primary);transition:all .2s ease;box-shadow:var(--shadow-inner)}.form-input:hover,.form-select:hover,.form-textarea:hover{border-color:#cbd5e1}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #2563eb1a;background:#fff}.form-textarea{resize:vertical;min-height:100px}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:12px 16px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-secondary);border-bottom:2px solid var(--border)}.data-table td{padding:14px 16px;font-size:14px;border-bottom:1px solid var(--border-light);vertical-align:middle}.data-table tbody tr:nth-child(2n) td{background:#fafbfc}.data-table tr:hover td{background:var(--primary-light)}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-green{background:#dcfce7;color:#166534}.badge-red{background:#fee2e2;color:#991b1b}.badge-yellow{background:#fef3c7;color:#92400e}.badge-blue{background:#dbeafe;color:#1e40af}.badge-purple{background:#ede9fe;color:#5b21b6}.badge-gray{background:#f1f5f9;color:#475569}.modal-overlay{position:fixed;inset:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .15s ease}.modal{background:var(--surface);border-radius:var(--radius-xl);padding:28px;width:90%;max-width:560px;position:relative;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal-title{font-size:20px;font-weight:700;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-secondary)}.empty-state .icon{font-size:48px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:18px;font-weight:600;margin-bottom:4px;color:var(--text-primary)}.empty-state p{font-size:14px}.loading{display:flex;align-items:center;justify-content:center;padding:60px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e293b)}.login-card{background:var(--surface);border-radius:var(--radius-xl);padding:40px;width:400px;max-width:90vw;box-shadow:var(--shadow-lg)}.login-card h1{font-size:24px;font-weight:800;margin-bottom:4px}.login-card p{color:var(--text-secondary);font-size:14px;margin-bottom:28px}.login-card .form-input{padding:12px 16px;font-size:15px}.login-card .btn{width:100%;justify-content:center;padding:12px;font-size:15px}.filter-bar{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}.filter-chip{padding:6px 14px;border-radius:20px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--surface);transition:all .15s}.filter-chip:hover{border-color:var(--primary);color:var(--primary)}.filter-chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.search-input{padding:8px 14px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:14px;width:260px;font-family:inherit}.search-input:focus{outline:none;border-color:var(--primary)}.ai-banner{background:linear-gradient(135deg,#6c63ff,#3f3d9e);border-radius:var(--radius-lg);padding:24px;color:#fff;display:flex;align-items:center;gap:16px;cursor:pointer;transition:transform .2s;margin-bottom:24px}.ai-banner:hover{transform:translateY(-2px);box-shadow:0 8px 25px #6c63ff59}.ai-banner-icon{width:48px;height:48px;border-radius:14px;background:#ffffff26;display:flex;align-items:center;justify-content:center;font-size:24px}.ai-banner-text h3{font-size:18px;font-weight:800}.ai-banner-text p{font-size:13px;opacity:.7;margin-top:2px}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:20px}.dashboard-charts-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:24px;align-items:start}.dashboard-card{background:var(--surface);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}.dashboard-card-title{font-size:16px;font-weight:600;color:var(--text-secondary);margin-bottom:16px;display:flex;align-items:center;gap:8px}.dashboard-card-value{font-size:32px;font-weight:800;color:var(--text-primary)}.dashboard-card-footer{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--text-secondary)}.dashboard-card-footer .icon{font-size:16px}.dashboard-card-footer .positive{color:var(--success)}.dashboard-card-footer .negative{color:var(--danger)}.student-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 20px;margin-bottom:10px;display:flex;align-items:center;gap:14px;transition:box-shadow .15s}.student-card:hover{box-shadow:var(--shadow-md)}.student-avatar{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:#fff}.student-info{flex:1}.student-info .name{font-size:15px;font-weight:600}.student-info .meta{font-size:13px;color:var(--text-secondary)}.student-actions{display:flex;gap:6px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.toggle{position:relative;width:44px;height:24px;cursor:pointer}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;inset:0;background:#cbd5e1;border-radius:12px;transition:.2s}.toggle-slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.2s}.toggle input:checked+.toggle-slider{background:var(--secondary)}.toggle input:checked+.toggle-slider:before{transform:translate(20px)}.audio-player{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg);border-radius:var(--radius-md);border:1px solid var(--border)}.audio-player button{width:36px;height:36px;border-radius:50%;border:none;background:var(--primary);color:#fff;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}.audio-progress{flex:1;height:4px;background:var(--border);border-radius:2px;position:relative}.audio-progress-fill{height:100%;background:var(--primary);border-radius:2px;transition:width .1s}.mobile-only{display:none!important}@media(max-width:1024px){:root{--sidebar-width: 240px}}@media(max-width:768px){.desktop-only{display:none!important}.mobile-only,.sidebar-toggle.mobile-only{display:flex!important}.sidebar,.sidebar.collapsed{transform:translate(-100%);width:280px!important}.sidebar.active,.sidebar.collapsed.active{transform:translate(0)}.main-content,.main-content.collapsed{margin-left:0!important}.topbar{padding:12px 16px;flex-wrap:wrap;height:auto;min-height:64px;gap:8px}.sidebar-toggle{display:block}.page-content{padding:16px}.grid-tiles{grid-template-columns:1fr}.topbar-actions{gap:8px}.topbar-actions .btn-sm{padding:6px 10px}.modal{padding:20px;width:95%}.student-card-responsive{flex-direction:column;align-items:flex-start!important;gap:12px}.student-card{flex-direction:column;align-items:flex-start;gap:12px}.student-actions{width:100%;justify-content:flex-end;border-top:1px solid var(--border-light);padding-top:12px;gap:12px;flex-wrap:wrap}.student-info{width:100%}.student-avatar{width:40px;height:40px}.filter-bar{overflow-x:auto;white-space:nowrap;padding-bottom:8px;scrollbar-width:none;flex-wrap:nowrap}.filter-bar::-webkit-scrollbar{display:none}.search-input{width:100%!important;max-width:none;min-width:0!important;margin-bottom:4px;flex-shrink:0}.topbar-title{font-size:16px;width:100%}.topbar-actions{width:100%;justify-content:flex-start}.topbar-actions .btn-sm{padding:6px 8px;font-size:12px}.grid-responsive{display:grid;grid-template-columns:1fr;gap:12px}.flex-responsive{flex-direction:column;align-items:stretch!important}.table-container{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:1rem;border-radius:var(--radius-md);border:1px solid var(--border)}.data-table{min-width:600px}.data-table th,.data-table td{padding:10px 12px;font-size:13px}.modal{padding:20px;width:95%;max-height:90vh}.form-row{display:flex;flex-direction:column;gap:12px}.action-bar{flex-direction:column;align-items:stretch!important;gap:8px}.action-bar>div{flex:none!important}.stats-grid{grid-template-columns:repeat(2,1fr);gap:8px}.stat-card{padding:14px}.stat-card-value{font-size:20px}.stat-card-label{font-size:11px}.card{padding:14px}.batch-header{flex-direction:column;align-items:flex-start!important;gap:8px}.dashboard-grid,.dashboard-charts-grid{grid-template-columns:1fr}.dashboard-card-value{font-size:24px}}.table-container{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.grid-responsive{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}@media(min-width:769px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr 1fr}.grid-4{grid-template-columns:1fr 1fr 1fr 1fr}.form-row{display:flex;gap:12px;align-items:flex-start}.form-row>*{flex:1}}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--border);box-shadow:0 4px 12px #0000001a;font-size:14px;min-width:280px;max-width:420px;pointer-events:auto;animation:toastIn .2s ease}.toast-success{border-left:4px solid var(--secondary)}.toast-error{border-left:4px solid var(--error)}.toast-warning{border-left:4px solid var(--warning)}.toast-info{border-left:4px solid var(--primary)}.toast-icon{font-size:16px;font-weight:700;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:50%;flex-shrink:0}.toast-success .toast-icon{background:#dcfce7;color:#166534}.toast-error .toast-icon{background:#fee2e2;color:#991b1b}.toast-warning .toast-icon{background:#fef3c7;color:#92400e}.toast-info .toast-icon{background:#dbeafe;color:#1e40af}.toast-message{flex:1;font-weight:500}.toast-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;padding:2px;opacity:.6}.toast-close:hover{opacity:1}@keyframes toastIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.confirm-modal{max-width:400px;text-align:center}.confirm-icon{font-size:36px;margin-bottom:12px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:center;gap:14px}.stat-card-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.stat-card-info{flex:1;min-width:0}.stat-card-label{font-size:13px;color:var(--text-secondary);font-weight:500}.stat-card-value{font-size:24px;font-weight:800;color:var(--text-primary);line-height:1.2}.dashboard-greeting{margin-bottom:24px}.dashboard-greeting h2{font-size:22px;font-weight:700;margin-bottom:4px}.dashboard-greeting p{color:var(--text-secondary);font-size:14px}.tab-group{display:flex;background:var(--bg-card);padding:4px;border-radius:var(--radius-lg);border:1px solid var(--border)}.tab-btn{padding:8px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:600;cursor:pointer;border:none;background:transparent;color:var(--text-secondary);transition:all .2s;display:flex;align-items:center;gap:8px}.tab-btn.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm)}.search-box{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:12px;color:var(--text-muted);font-size:14px}.search-box .search-input{padding-left:36px;width:100%}.filter-group{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.student-avatar-lg{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;flex-shrink:0}.name-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}.name-row .name{font-size:18px;font-weight:700;color:var(--text-primary)}.meta-info{display:flex;flex-direction:column;gap:4px}.meta-item{display:flex;align-items:center;gap:6px;font-size:13px}.meta-item .label{color:var(--text-muted);font-weight:500}.meta-item .value{color:var(--text-secondary);font-weight:600}.btn-action{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--radius-md);font-size:13px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .2s;background:var(--bg-alt);color:var(--text-primary)}.btn-action:hover{transform:translateY(-1px)}.btn-action.success{background:#22c55e15;color:#16a34a}.btn-action.success:hover{background:#22c55e25}.btn-action.primary{background:#3b82f615;color:#2563eb}.btn-action.primary:hover{background:#3b82f625}.btn-action.warning{background:#f59e0b15;color:#d97706}.btn-action.warning:hover{background:#f59e0b25}.btn-action.danger{padding:8px;background:#ef444415;color:#dc2626}.btn-action.danger:hover{background:#ef444425}.assessment-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:24px;margin-bottom:16px;transition:all .2s}.assessment-card:hover{border-color:var(--primary-light);box-shadow:var(--shadow-lg)}.assessment-header{display:flex;gap:20px;align-items:center;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border-light)}.date-pill{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--text-muted);background:var(--bg-alt);padding:2px 8px;border-radius:4px}.recommendation{margin-left:auto;text-align:right}.recommendation .label{font-size:10px;font-weight:800;color:var(--text-muted);margin-bottom:4px}.program-badge{padding:6px 14px;border-radius:8px;color:#fff;font-weight:700;font-size:14px;box-shadow:0 4px 12px #0000001a}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin-bottom:20px}.detail-item{display:flex;flex-direction:column;gap:4px}.detail-label{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.detail-value{font-size:14px;font-weight:600;color:var(--text-primary)}.detail-value.highlight{color:var(--primary)}.grammar-pills{display:flex;gap:6px}.g-pill{padding:2px 8px;border-radius:4px;font-size:11px;font-weight:700}.g-pill.correct{background:#22c55e22;color:#16a34a}.g-pill.wrong{background:#ef444422;color:#dc2626}.speaking-response{background:var(--bg-alt);padding:16px;border-radius:12px;border-left:4px solid var(--primary)}.speaking-response .label{font-size:10px;font-weight:800;color:var(--primary);margin-bottom:8px}.speaking-response p{font-style:italic;font-size:14px;line-height:1.5;color:var(--text-secondary)}.assessment-footer{margin-top:20px;display:flex;justify-content:flex-end}@media(max-width:768px){.assessment-header{flex-direction:column;align-items:flex-start;gap:16px}.recommendation{margin-left:0;text-align:left;width:100%;padding-top:12px;border-top:1px dashed var(--border)}}.date-toolbar{display:flex;align-items:center;gap:12px;background:var(--surface);padding:12px 20px;border-radius:var(--radius-lg);border:1px solid var(--border);margin-bottom:24px;flex-wrap:wrap}.date-nav{display:flex;align-items:center;gap:8px;background:var(--bg-alt);padding:4px;border-radius:var(--radius-md)}.date-display{font-weight:700;font-size:14px;padding:0 8px;min-width:120px;text-align:center}.type-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:12px;margin-bottom:20px}.type-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:16px 8px;border-radius:var(--radius-lg);border:2px solid transparent;background:var(--bg-alt);cursor:pointer;transition:all .2s;text-align:center}.type-card .icon{font-size:24px}.type-card .label{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.5px}.type-card:hover{transform:translateY(-2px);background:var(--surface);border-color:var(--border)}.type-card.active{background:var(--surface);box-shadow:var(--shadow-md)}.mcq-builder-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:16px;position:relative}.mcq-option-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}.mcq-radio{width:20px;height:20px;cursor:pointer;accent-color:var(--primary)}@media(max-width:768px){.modal-overlay{align-items:flex-end}.modal{width:100%;max-width:none;height:92vh;border-radius:24px 24px 0 0;margin:0;padding:20px;display:flex;flex-direction:column;position:relative;overflow-y:hidden;animation:slideUpBottom .3s cubic-bezier(.4,0,.2,1)}.modal-body-scroll{flex:1;overflow-y:auto;padding-bottom:80px!important;margin:0 -20px;padding-left:20px!important;padding-right:20px!important}.modal-sticky-footer{position:absolute;bottom:0;left:0;right:0;background:var(--surface);padding:16px 20px;border-top:1px solid var(--border-light);display:flex;gap:12px;box-shadow:0 -4px 12px #0000000d}.modal-sticky-footer .btn{flex:1}}@keyframes slideUpBottom{0%{transform:translateY(100%)}to{transform:translateY(0)}}.btn-sparkle{background:linear-gradient(135deg,#6366f1,#a855f7);color:#fff;border:none;font-weight:700;display:flex;align-items:center;gap:8px;box-shadow:0 4px 12px #6366f14d}.btn-sparkle:hover{filter:brightness(1.1);transform:translateY(-1px)}.form-label-premium{display:block;font-size:11px;font-weight:800;color:var(--text-muted);text-transform:uppercase;margin-bottom:8px;letter-spacing:.5px}.form-input-premium,.form-textarea-premium{width:100%;background:var(--bg-alt);border:1px solid var(--border);border-radius:12px;padding:12px 16px;font-size:15px;font-weight:500;color:var(--text-primary);transition:all .2s}.form-input-premium:focus,.form-textarea-premium:focus{background:var(--surface);border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light);outline:none}.json-textarea-premium{width:100%;background:#1e293b;color:#f1f5f9;font-family:JetBrains Mono,Fira Code,monospace;font-size:13px;padding:16px;border-radius:12px;border:1px solid #334155;line-height:1.6}.mode-toggle-group{display:flex;background:var(--bg-alt);padding:4px;border-radius:12px;border:1px solid var(--border)}.mode-btn{padding:6px 16px;border-radius:8px;font-size:12px;font-weight:700;cursor:pointer;border:none;background:transparent;color:var(--text-secondary);transition:all .2s}.mode-btn.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm)}.form-section{margin-bottom:24px}.builder-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;margin-top:16px}.task-card-premium{transition:all .2s cubic-bezier(.4,0,.2,1);border:1px solid var(--border)}.task-card-premium:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}.mcq-builder-item{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.mcq-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;color:var(--primary);font-weight:800;font-size:12px;text-transform:uppercase}.mcq-option-row.correct{border-color:var(--success)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.visual-builder-area{animation:fadeIn .3s ease-out}.type-card{padding:16px;background:var(--surface);border:2px solid var(--border-light);border-radius:var(--radius-lg);cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;gap:16px;position:relative;overflow:hidden}.type-card:hover{border-color:var(--primary-light);background:var(--primary-light);transform:translateY(-2px)}.type-card.active{border-color:var(--primary);background:var(--primary-light);box-shadow:0 4px 12px #2563eb1a}.type-icon{width:48px;height:48px;background:var(--surface);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:var(--shadow-sm);flex-shrink:0}.type-card.active .type-icon{background:var(--primary);color:#fff}.type-info{flex:1}.type-label{font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:2px}.type-desc{font-size:11px;color:var(--text-muted);line-height:1.3}.type-check{width:20px;height:20px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:900}.mcq-builder-item{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:16px;box-shadow:var(--shadow-sm);transition:all .2s}.mcq-builder-item:hover{border-color:var(--primary-light);box-shadow:var(--shadow-md)}.mcq-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px dashed var(--border)}.mcq-header span{font-size:11px;font-weight:800;text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px}.mcq-option-row{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--bg-alt);border:1px solid var(--border);border-radius:12px;margin-bottom:8px;transition:all .15s}.mcq-option-row:hover{background:var(--surface);border-color:#cbd5e1}.mcq-option-row.correct{border-color:var(--secondary);background:#10b9810d;box-shadow:0 0 0 1px var(--secondary)}.mcq-radio{width:18px;height:18px;cursor:pointer;accent-color:var(--secondary)}.mcq-option-input{flex:1;border:none;background:transparent;font-size:14px;font-weight:500;color:var(--text-primary);outline:none}.premium-form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}.form-group-premium{background:#f8fafc;padding:12px 16px;border-radius:12px;border:1px solid var(--border);margin-bottom:20px}.btn-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-size:14px;box-shadow:var(--shadow-sm)}.btn-close:hover{background:#fff;color:var(--error);border-color:#fee2e2;box-shadow:0 4px 12px #dc26261a;transform:translateY(-1px)}.builder-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}