@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background:#f8fafc;color:#111827}:root{--blue: #3B82F6;--blue-dark: #1E3A8A;--blue-light: #60A5FA;--mint: #10B981;--coral: #EF4444;--amber: #F59E0B;--purple: #6366F1;--bg: #F8FAFC;--border: #E5E7EB;--text: #111827;--text-light: #6B7280;--card: #FFFFFF;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-lg: 0 4px 12px rgba(0,0,0,.1);--radius: 8px;--radius-sm: 6px}.app{display:flex;min-height:100vh}.sidebar{width:240px;min-height:100vh;background:#1e3a8a;display:flex;flex-direction:column;position:fixed;left:0;top:0;z-index:100}.sidebar-logo{padding:20px 16px 16px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}.logo-icon{width:36px;height:36px;border-radius:8px;background:#ffffff26;display:flex;align-items:center;justify-content:center;flex-shrink:0}.logo-text h2{font-size:14px;font-weight:700;color:#fff;letter-spacing:-.3px}.logo-text p{font-size:10px;color:#ffffff73;margin-top:1px}.sidebar-nav{padding:12px 10px;flex:1;overflow-y:auto}.nav-section{font-size:9px;font-weight:600;letter-spacing:.08em;color:#ffffff4d;padding:10px 10px 4px;text-transform:uppercase}.nav-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:6px;margin-bottom:1px;cursor:pointer;transition:background .15s;color:#ffffffa6;font-size:13px;font-weight:500;border-left:3px solid transparent}.nav-item:hover{background:#ffffff12;color:#ffffffe6}.nav-item.active{background:#ffffff1a;color:#fff;border-left-color:#f59e0b;font-weight:600}.nav-item .ni{font-size:15px;width:18px;text-align:center;flex-shrink:0;opacity:.8}.nav-badge{margin-left:auto;background:#ef4444;color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-radius:99px;min-width:18px;text-align:center}.sidebar-user{padding:12px 14px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:9px}.user-av{width:32px;height:32px;border-radius:50%;background:#fff3;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}.user-name{font-size:12px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:10px;color:#ffffff73}.main{margin-left:240px;flex:1;min-width:0}.topbar{background:#fff;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.topbar h1{font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.3px}.page-content{padding:24px}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;border:1px solid var(--border)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.card-title{font-size:14px;font-weight:700;color:var(--text)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.stat-card{background:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);border:1px solid var(--border);display:flex;align-items:center;gap:14px;cursor:pointer;transition:box-shadow .15s,transform .15s}.stat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.stat-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.stat-info h3{font-size:24px;font-weight:800;line-height:1;color:var(--text)}.stat-info p{font-size:12px;color:var(--text-light);margin-top:3px;font-weight:500}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.student-card{background:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);border:1px solid var(--border);cursor:pointer;transition:box-shadow .15s,border-color .15s}.student-card:hover{box-shadow:var(--shadow-lg);border-color:var(--blue)}.btn{padding:8px 16px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-family:Inter,sans-serif;font-weight:600;font-size:13px;transition:all .15s;display:inline-flex;align-items:center;gap:5px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:#1e3a8a;color:#fff}.btn-primary:hover:not(:disabled){background:#1e40af}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-success{background:var(--mint);color:#fff}.btn-success:hover{background:#059669}.btn-danger{background:var(--coral);color:#fff}.btn-danger:hover{background:#dc2626}.btn-purple{background:var(--purple);color:#fff}.btn-amber{background:var(--amber);color:#fff}.btn-warning{background:#d97706;color:#fff}.btn-warning:hover{background:#b45309}.btn-sm{padding:5px 12px;font-size:12px}.btn-xs{padding:3px 8px;font-size:11px;border-radius:4px}.score-btn{width:32px;height:32px;border-radius:6px;border:1px solid var(--border);cursor:pointer;font-size:16px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;transition:all .1s;background:#fff}.score-btn:active{transform:scale(.9)}.score-plus{border-color:#a7f3d0;color:var(--mint)}.score-plus:hover{background:#ecfdf5}.score-half{border-color:#fde68a;color:#92400e}.score-half:hover{background:#fffbeb}.score-minus{border-color:#fecaca;color:var(--coral)}.score-minus:hover{background:#fef2f2}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text-light);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}.form-input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:Inter,sans-serif;font-size:13px;transition:border-color .15s,box-shadow .15s;outline:none;color:var(--text);background:#fff}.form-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3b82f61a}.form-select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:Inter,sans-serif;font-size:13px;outline:none;color:var(--text);background:#fff;cursor:pointer}.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3b82f61a}.form-textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:Inter,sans-serif;font-size:13px;outline:none;color:var(--text);resize:vertical;min-height:80px;background:#fff}.form-textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3b82f61a}.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:20px;overflow-x:auto;gap:0;background:transparent;padding:0;border-radius:0;flex-wrap:nowrap}.tab{padding:10px 14px;border:none;border-bottom:2px solid transparent;margin-bottom:-1px;cursor:pointer;font-family:Inter,sans-serif;font-weight:500;font-size:12px;transition:all .15s;color:var(--text-light);background:transparent;white-space:nowrap;flex-shrink:0}.tab:hover{color:var(--text)}.tab.active{color:#1e3a8a;border-bottom-color:#1e3a8a;font-weight:600;background:transparent;box-shadow:none}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;letter-spacing:.02em}.badge-blue{background:#eff6ff;color:#1d4ed8}.badge-purple{background:#eef2ff;color:#4338ca}.badge-mint{background:#ecfdf5;color:#065f46}.badge-coral{background:#fef2f2;color:#991b1b}.badge-amber{background:#fffbeb;color:#92400e}.alert{padding:12px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:14px;display:flex;gap:9px;align-items:flex-start;border:1px 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var(--border);border-radius:var(--radius-sm);padding:14px;margin-bottom:10px;background:#fff}.note-av{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:11px;flex-shrink:0}.secret-banner{background:#1e3a8a;color:#fff;padding:8px 14px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;display:flex;align-items:center;gap:7px;margin-bottom:14px}.empty-state{text-align:center;padding:48px 20px;color:var(--text-light)}.empty-state .big{font-size:40px;display:block;margin-bottom:12px;opacity:.4}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:#fff;border-radius:12px;padding:24px;max-width:560px;width:92%;max-height:88vh;overflow-y:auto;box-shadow:0 20px 60px #0003;border:1px solid var(--border)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title{font-size:16px;font-weight:700;color:var(--text)}.close-btn{background:var(--bg);border:1px solid var(--border);width:30px;height:30px;border-radius:6px;cursor:pointer;font-size:14px;color:var(--text-light);display:flex;align-items:center;justify-content:center}.close-btn:hover{background:var(--border)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#1e3a8a;padding:20px}.auth-card{background:#fff;border-radius:12px;padding:36px;width:100%;max-width:440px;box-shadow:0 20px 60px #00000040}.auth-logo{text-align:center;margin-bottom:24px}.auth-logo .icon{font-size:36px;display:block;margin-bottom:8px}.auth-logo h1{font-size:20px;font-weight:700;color:var(--text)}.auth-logo p{color:var(--text-light);font-size:12px;margin-top:4px}.auth-logo img{width:64px;height:64px;object-fit:contain;border-radius:12px;margin:0 auto 10px;display:block}.role-card{padding:14px;border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:12px;margin-bottom:8px}.role-card:hover{border-color:var(--blue);background:#eff6ff}.divider{height:1px;background:var(--border);margin:18px 0}.checkbox-item{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:12px;font-weight:500;transition:all .15s;margin:3px;background:#fff}.checkbox-item.checked{border-color:var(--blue);background:#eff6ff;color:#1d4ed8}.info-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}.info-row:last-child{border-bottom:none}.info-label{color:var(--text-light);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.info-value{font-weight:600}.goal-item{background:var(--bg);border-radius:var(--radius-sm);padding:10px 14px;margin-bottom:8px;border-left:3px solid #1E3A8A;font-size:13px;line-height:1.6}.goal-item.short{border-left-color:var(--mint)}.skill-select-row{border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;margin-bottom:8px;cursor:pointer;transition:all .15s}.skill-select-row:hover{border-color:var(--blue)}.skill-select-row.sel{border-color:var(--blue);background:#eff6ff}.cal-grid{display:grid;gap:3px;margin-top:8px}.cal-cell{padding:8px 4px;text-align:center;border-radius:6px;font-size:11px;font-weight:500;cursor:pointer;transition:all .15s;border:1px solid var(--border);background:#fff;min-width:0;white-space:nowrap;overflow:hidden}.cal-cell:hover{border-color:var(--blue);background:#eff6ff}.cal-cell.available{background:#eff6ff;border-color:var(--blue);color:var(--blue)}.cal-cell.booked{background:#ecfdf5;border-color:var(--mint);color:var(--mint);cursor:default}.cal-cell.cal-header{background:transparent;border:none;font-size:11px;color:var(--text-light);cursor:default;font-weight:600}.cal-cell.cal-header:hover{background:transparent;border:none}.paper-card{background:#fff;border-radius:var(--radius);padding:18px;border:1px solid var(--border);box-shadow:var(--shadow);margin-bottom:12px}.paper-card:hover{box-shadow:var(--shadow-lg)}.paper-title{font-size:14px;font-weight:600;line-height:1.5;margin-bottom:5px;color:var(--text)}.paper-title a:hover{text-decoration:underline!important}.paper-meta{font-size:11px;color:var(--text-light);margin-bottom:8px;line-height:1.7}.paper-summary{font-size:13px;line-height:1.75;color:var(--text);background:var(--bg);border-radius:6px;padding:10px 14px;margin-top:10px;border-left:3px solid var(--purple)}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}body.dark{--bg: #0F172A;--border: #1E293B;--text: #F1F5F9;--text-light: #94A3B8;--card: #1E293B;--shadow: 0 1px 3px rgba(0,0,0,.4);--shadow-lg: 0 4px 12px rgba(0,0,0,.5);background:#0f172a;color:#f1f5f9}body.dark .card,body.dark .stat-card,body.dark .student-card,body.dark .paper-card,body.dark .note-card,body.dark .modal,body.dark .topbar,body.dark .cal-cell,body.dark .auth-card{background:#1e293b;border-color:#334155;color:#f1f5f9}body.dark .topbar{box-shadow:0 1px 3px #0000004d}body.dark .form-input,body.dark .form-select,body.dark .form-textarea{background:#0f172a;border-color:#334155;color:#f1f5f9}body.dark .tabs{border-color:#1e293b}body.dark .tab.active{border-bottom-color:var(--blue);color:var(--blue)}body.dark .tab{color:#64748b}body.dark .alert-info{background:#1e2d4a;border-color:#2d4a7a;color:#93b8f0}body.dark .alert-warning{background:#2d2410;border-color:#5a4500;color:#f5d080}body.dark .alert-success{background:#0f2d22;border-color:#1a5a3a;color:#7ae0b8}body.dark .alert-purple{background:#1e1b3a;border-color:#4a3a8f;color:#c0a0f0}body.dark .btn-secondary{background:#1e293b;color:#f1f5f9;border-color:#334155}body.dark .btn-secondary:hover{background:#334155}body.dark .close-btn{background:#334155;color:#f1f5f9;border-color:#475569}body.dark .empty-state{color:#475569}body.dark .badge-blue{background:#1e2d4a;color:#93b8f0}body.dark .badge-mint{background:#0f2d22;color:#7ae0b8}body.dark .badge-coral{background:#2d1010;color:#f09090}body.dark .badge-amber{background:#2d2410;color:#f5d080}body.dark .badge-purple{background:#1e1b3a;color:#c0a0f0}body.dark .goal-item,body.dark .paper-summary{background:#0f172a}body.dark .skill-select-row{border-color:#334155}body.dark .checkbox-item{border-color:#334155;background:#1e293b}body.dark .checkbox-item.checked{background:#1e2d4a}body.dark .role-card{border-color:#334155}body.dark .role-card:hover{border-color:var(--blue);background:#1e2d4a}body.dark .score-btn{background:#1e293b;border-color:#334155}body.dark .progress-bar{background:#334155;border-color:#475569}body.dark ::-webkit-scrollbar-thumb{background:#334155}.hamburger-btn{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:4px;flex-shrink:0}.hamburger-btn span{display:block;width:20px;height:2px;background:var(--text-light);border-radius:2px}.sidebar-close-btn{display:none;background:#ffffff1f;border:none;color:#fff;width:26px;height:26px;border-radius:5px;cursor:pointer;font-size:12px;margin-left:auto;align-items:center;justify-content:center;flex-shrink:0}.sidebar-backdrop{display:none}.topbar-date{font-size:12px;color:var(--text-light)}@media (max-width: 900px){.stats-grid{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.page-content{padding:18px}}@media (max-width: 768px){.sidebar{transform:translate(-100%);transition:transform .25s ease;z-index:300;width:250px;height:100%}.sidebar.sidebar-mobile-open{transform:translate(0)}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:299}.sidebar-close-btn,.hamburger-btn{display:flex}.main{margin-left:0}.topbar{padding:10px 14px}.topbar h1{font-size:15px}.topbar-date{display:none}.page-content{padding:12px}.card{padding:14px}.card-header{margin-bottom:12px;padding-bottom:10px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}.stat-card{padding:12px;gap:10px}.stat-icon{width:38px;height:38px;font-size:16px}.stat-info h3{font-size:20px}.grid-2,.grid-3,.student-grid{grid-template-columns:1fr;gap:12px}.modal{padding:18px 14px;max-width:100%;width:96%;max-height:92vh;border-radius:10px}.btn{padding:8px 12px;font-size:12px}.btn-sm{padding:5px 10px;font-size:11px}.tabs{flex-wrap:nowrap;overflow-x:auto}.tab{padding:8px 12px;font-size:11px}.auth-card{padding:22px 16px}}@media (max-width: 400px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:8px}.stat-card{padding:10px}.stat-info h3{font-size:18px}.page-content{padding:10px 8px}.card{padding:12px}.topbar{padding:10px}.topbar h1{font-size:14px}}