.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--grad-hero);padding:20px;position:relative;overflow:hidden}.auth-container:before,.auth-container:after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.35;pointer-events:none}.auth-container:before{width:500px;height:500px;background:var(--brand-primary);top:-100px;right:-100px;animation:orb-float 8s ease-in-out infinite}.auth-container:after{width:350px;height:350px;background:#a855f7;bottom:-80px;left:-80px;animation:orb-float 10s ease-in-out infinite reverse}@keyframes orb-float{0%,to{transform:translate(0) scale(1)}50%{transform:translate(20px,-20px) scale(1.05)}}.auth-card{background:#1e1b3ae6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-active);padding:44px 40px;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg),var(--shadow-glow);width:100%;max-width:420px;position:relative;z-index:1}[data-theme=light] .auth-card{background:#fffffff2}.auth-logo{text-align:center;margin-bottom:28px}.auth-logo-icon{display:inline-flex;width:56px;height:56px;border-radius:var(--radius-md);background:var(--grad-primary);align-items:center;justify-content:center;font-size:1.6rem;box-shadow:var(--shadow-glow);margin-bottom:10px}.auth-card h1{text-align:center;color:var(--text-primary);font-size:1.65rem;font-weight:700;margin-bottom:6px;letter-spacing:-.02em}.auth-subtitle{text-align:center;color:var(--text-secondary);font-size:.9rem;margin-bottom:28px}.form-group{margin-bottom:18px}.form-group label{display:block;margin-bottom:7px;font-weight:500;font-size:.82rem;color:var(--text-secondary);letter-spacing:.06em;text-transform:uppercase}.form-group input{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.95rem;transition:border-color .2s,box-shadow .2s}.form-group input:focus{border-color:var(--brand-accent);box-shadow:0 0 0 3px var(--brand-glow)}.form-group input:disabled{opacity:.5;cursor:not-allowed}.auth-card button[type=submit]{width:100%;padding:13px;background:var(--grad-primary);color:#fff;font-weight:700;font-size:1rem;border:none;border-radius:var(--radius-sm);cursor:pointer;margin-top:8px;letter-spacing:.02em;transition:opacity .2s,transform .15s,box-shadow .2s;box-shadow:0 4px 16px #7c3aed66}.auth-card button[type=submit]:hover:not(:disabled){opacity:.92;transform:translateY(-1px);box-shadow:0 6px 24px #7c3aed8c}.auth-card button[type=submit]:disabled{opacity:.55;cursor:not-allowed;transform:none}.auth-link{text-align:center;margin-top:22px;color:var(--text-secondary);font-size:.9rem}.auth-link a{color:var(--purple);text-decoration:none;font-weight:600}.auth-link a:hover{color:var(--text-primary)}.error-message{background:#ef44441f;border:1px solid rgba(239,68,68,.35);color:#fca5a5;padding:12px 16px;border-radius:var(--radius-sm);font-size:.88rem;margin-bottom:18px}[data-theme=light] .error-message{color:#b91c1c}.dashboard-container{min-height:100vh;background:var(--bg-base)}.dashboard-header{background:var(--grad-hero);border-bottom:1px solid var(--border-subtle);padding:0 24px;position:sticky;top:0;z-index:50;box-shadow:0 4px 30px #00000080}.dashboard-header .header-content{max-width:1280px;margin:0 auto;height:64px;display:flex;justify-content:space-between;align-items:center}.header-brand{display:flex;align-items:center;gap:12px}.header-logo-icon{width:36px;height:36px;background:#000;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem;box-shadow:var(--shadow-glow);color:#fff}.dashboard-header h1{font-size:1.15rem;font-weight:700;color:var(--text-primary);letter-spacing:-.01em}.header-greeting{font-size:.8rem;color:var(--text-muted);font-weight:400}.user-details{display:flex;gap:8px;align-items:center}.role-badge{background:#a78bfa26;border:1px solid rgba(167,139,250,.3);color:var(--purple);padding:5px 12px;border-radius:999px;font-size:.75rem;text-transform:uppercase;font-weight:700;letter-spacing:.06em}.publisher-badge{background:#06b6d426;border:1px solid rgba(6,182,212,.3);color:#06b6d4;padding:5px 12px;border-radius:999px;font-size:.75rem;text-transform:uppercase;font-weight:700;letter-spacing:.06em}.admin-btn,.logout-btn{padding:8px 16px;border-radius:var(--radius-sm);font-weight:600;font-size:.85rem;border:none;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}.admin-btn{background:var(--grad-primary);color:#fff;box-shadow:0 2px 10px #7c3aed59}.admin-btn:hover{opacity:.9;transform:translateY(-1px)}.logout-btn{background:#ffffff12;color:var(--text-secondary);border:1px solid var(--border-subtle)}.logout-btn:hover{background:#ffffff1f;color:var(--text-primary)}.theme-toggle-btn{background:none;border:1px solid var(--border-light);width:36px;height:36px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:all .2s ease}.theme-toggle-btn:hover{background:var(--bg-secondary);border-color:var(--border-active)}.dashboard-content{max-width:1280px;margin:0 auto;padding:36px 24px 60px}.stats-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:40px}.stat-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;gap:6px;transition:border-color .2s,transform .2s}.stat-card:hover{border-color:var(--border-active);transform:translateY(-2px)}.stat-icon{font-size:1.4rem;margin-bottom:4px;color:var(--purple);display:flex;align-items:center}.stat-value{font-size:1.8rem;font-weight:800;color:var(--text-primary);letter-spacing:-.03em;line-height:1}.stat-value-denom{font-size:1rem;font-weight:600;color:var(--text-muted);letter-spacing:0}.stat-label{font-size:.8rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.section-heading{display:flex;align-items:baseline;gap:10px;margin-bottom:20px}.section-heading h2{font-size:1.25rem;font-weight:700;color:var(--text-primary);letter-spacing:-.01em}.section-count{font-size:.82rem;color:var(--text-muted);font-weight:500}.no-courses{background:var(--bg-card);border:1px dashed var(--border-subtle);padding:60px 40px;border-radius:var(--radius-lg);text-align:center;color:var(--text-muted)}.no-courses-icon{font-size:2.5rem;margin-bottom:12px}.no-courses p{font-size:1rem;color:var(--text-secondary)}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}.course-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;cursor:pointer}.course-card:hover{transform:translateY(-5px);border-color:var(--border-active);box-shadow:0 12px 40px #0006,0 0 0 1px var(--border-active)}.course-cover{height:150px;background-size:cover;background-position:center;background-color:var(--bg-hover);display:flex;align-items:center;justify-content:center;position:relative;flex-shrink:0}.course-cover:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to bottom,transparent 40%,rgba(30,27,58,.85) 100%)}.course-cover .no-cover{color:var(--text-muted);font-size:.85rem;z-index:1}.cover-status{position:absolute;bottom:12px;right:12px;z-index:2;background:#0f0e17bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-subtle);padding:4px 10px;border-radius:999px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary)}.cover-status.completed{color:var(--green);border-color:#10b98166}.cover-status.in_progress{color:var(--yellow);border-color:#f59e0b66}.cover-status.completed-badge{position:absolute;bottom:16px;right:16px;z-index:10;background:transparent;border:none;padding:12px 16px;border-radius:6px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#fff;display:flex;flex-direction:column;align-items:center;gap:6px;animation:slideInScale .5s cubic-bezier(.16,1,.3,1) forwards;text-shadow:0 2px 8px rgba(0,0,0,.3)}.cover-status.completed-badge:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#10b981e6,#06b6d4d9);border-radius:6px;z-index:-1;box-shadow:0 8px 24px #10b9814d}.badge-checkmark{font-size:1.8rem;font-weight:900;line-height:1;display:block;animation:checkBounce .6s cubic-bezier(.34,1.56,.64,1) .2s forwards;opacity:0}.badge-text{display:block;font-size:.7rem;letter-spacing:.12em;font-weight:700}@keyframes slideInScale{0%{transform:translate(20px) scale(.8);opacity:0}to{transform:translate(0) scale(1);opacity:1}}@keyframes checkBounce{0%{transform:scale(0) rotate(-30deg);opacity:0}50%{transform:scale(1.2) rotate(5deg)}to{transform:scale(1) rotate(0);opacity:1}}.course-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;gap:4px}.course-card h3{font-size:1.05rem;font-weight:700;color:var(--text-primary);letter-spacing:-.01em;line-height:1.35;margin-bottom:6px}.course-summary{font-size:.85rem;color:var(--text-muted);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}.course-info{margin-top:auto;margin-bottom:14px}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.progress-label{font-size:.77rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.progress-pct{font-size:.82rem;font-weight:700;color:var(--purple)}.progress-bar{width:100%;height:6px;background:#ffffff14;border-radius:999px;overflow:hidden}.progress-fill:after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 6px var(--brand-primary)}.progress-text{font-size:.78rem;color:var(--text-muted);margin-top:6px}.quiz-pass-row{margin-top:12px}.quiz-pass-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.quiz-pass-count{font-size:.82rem;font-weight:700;color:var(--green)}.quiz-pass-bar{width:100%;height:5px;background:#ffffff14;border-radius:999px;overflow:hidden}.quiz-pass-fill{height:100%;background:var(--grad-success);border-radius:999px;transition:width .6s cubic-bezier(.22,1,.36,1)}[data-theme=light] .quiz-pass-bar{background:#0596691f}.course-meta{display:flex;gap:8px;align-items:center;margin-bottom:14px}.modules-chip{font-size:.75rem;background:#a78bfa1a;color:var(--purple);border:1px solid rgba(167,139,250,.2);padding:3px 10px;border-radius:999px;font-weight:600}.status-badge{font-size:.75rem;padding:3px 10px;border-radius:999px;font-weight:600;text-transform:capitalize;background:#a78bfa1a;color:var(--text-secondary);border:1px solid var(--border-subtle)}.continue-btn{width:100%;padding:11px;background:var(--grad-primary);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:700;font-size:.9rem;cursor:pointer;transition:opacity .2s,transform .15s,box-shadow .2s;box-shadow:0 3px 12px #7c3aed4d;letter-spacing:.01em}.continue-btn:hover{opacity:.92;transform:translateY(-1px);box-shadow:0 6px 20px #7c3aed73}.continue-btn.start{background:linear-gradient(135deg,#059669,#10b981);box-shadow:0 3px 12px #10b9814d}.continue-btn.start:hover{box-shadow:0 6px 20px #10b98173}@media (max-width: 640px){.dashboard-content{padding:24px 16px 40px}.stats-bar{grid-template-columns:1fr 1fr}.courses-grid{grid-template-columns:1fr}}[data-theme=light] .dashboard-header h1{color:#fff}[data-theme=light] .header-greeting{color:#ffffffb8}[data-theme=light] .role-badge{background:#ffffff26;border-color:#ffffff4d;color:#fff}[data-theme=light] .logout-btn{background:#ffffff1f;color:#fff;border-color:#ffffff40}[data-theme=light] .logout-btn:hover{background:#ffffff38;color:#fff}[data-theme=light] .theme-toggle-btn{color:#111827;border-color:#6d28d933}[data-theme=light] .theme-toggle-btn:hover{background:#6d28d91a;border-color:#6d28d966}[data-theme=light] .header-logo-icon{background:#000;color:#fff;border:2px solid rgba(109,40,217,.4);box-shadow:0 2px 12px #7c3aed40}[data-theme=light] .course-card:hover{box-shadow:0 12px 40px #6d28d91f,0 0 0 1px var(--border-active)}[data-theme=light] .course-cover:after{background:linear-gradient(to bottom,transparent 40%,rgba(255,255,255,.6) 100%)}[data-theme=light] .cover-status{background:#ffffffe0;color:var(--text-secondary)}[data-theme=light] .cover-status.completed-badge{background:transparent;color:#fff;border-color:transparent;text-shadow:0 2px 8px rgba(0,0,0,.4)}[data-theme=light] .cover-status.completed-badge:before{background:linear-gradient(135deg,#10b981eb,#06b6d4e0);box-shadow:0 8px 24px #10b98159}[data-theme=light] .modules-chip{background:#6d28d914;border-color:#6d28d92e}.leaderboard-section{margin-top:40px;padding:0 24px 40px}.leaderboard-container{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 4px 20px #0000001a}.leaderboard-table{display:flex;flex-direction:column}.leaderboard-header{display:grid;grid-template-columns:80px 1fr 100px 100px 100px;gap:16px;padding:16px 24px;background:var(--grad-subtle);border-bottom:1px solid var(--border-light);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.leaderboard-rank,.leaderboard-name,.leaderboard-courses,.leaderboard-quizzes,.leaderboard-total{display:flex;align-items:center}.leaderboard-row{display:grid;grid-template-columns:80px 1fr 100px 100px 100px;gap:16px;padding:16px 24px;border-bottom:1px solid var(--border-subtle);align-items:center;transition:background-color .2s ease}.leaderboard-row:last-child{border-bottom:none}.leaderboard-row:hover{background:var(--bg-tertiary)}.leaderboard-row.current-user{background:linear-gradient(90deg,rgba(124,58,237,.08) 0%,transparent 100%);border-left:3px solid var(--purple);padding-left:21px}.rank-container{display:flex;align-items:center;gap:8px}.rank-badge{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--grad-primary);border-radius:50%;font-size:1rem;font-weight:800;color:#fff;box-shadow:0 2px 8px #7c3aed4d;flex-shrink:0}.champion-tag{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#1f2937;padding:4px 10px;border-radius:4px;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;box-shadow:0 2px 8px #f59e0b4d;white-space:nowrap}.rank-badge.rank-1{background:linear-gradient(135deg,#fbbf24,#f59e0b);box-shadow:0 2px 12px #f59e0b66;font-size:1rem}.rank-badge.rank-2{background:linear-gradient(135deg,silver,#a8a8a8);box-shadow:0 2px 12px #c0c0c066;font-size:1rem}.rank-badge.rank-3{background:linear-gradient(135deg,#cd7f32,#b8740f);box-shadow:0 2px 12px #cd7f3266;font-size:1rem}.name-info{display:flex;flex-direction:column;gap:4px}.name-row{display:flex;align-items:center;gap:8px}.user-name{font-weight:600;color:#000;font-size:.95rem}.user-role{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-weight:600}.points-value{font-size:1.1rem;font-weight:700;color:var(--purple);display:block}.points-label{font-size:.55rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-top:2px}.total-points{font-size:1.3rem;font-weight:800;background:linear-gradient(135deg,#7c3aed,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block}[data-theme=light] .leaderboard-container{background:#fffffff2;border-color:#6d28d926;box-shadow:0 4px 20px #6d28d91a}[data-theme=light] .leaderboard-header{background:#6d28d914;color:#374151;font-weight:700}[data-theme=light] .leaderboard-row{border-bottom-color:#6d28d91a}[data-theme=light] .leaderboard-row:hover{background:#6d28d90f}[data-theme=light] .leaderboard-row.current-user{background:#7c3aed1f}[data-theme=light] .user-name{color:#000;font-weight:700}[data-theme=light] .user-role{color:#4b5563;font-weight:600}[data-theme=light] .rank-badge{box-shadow:0 2px 8px #7c3aed40;color:#fff}[data-theme=light] .points-value{color:#7c3aed}[data-theme=light] .points-label{color:#6b7280}.admin-container{min-height:100vh;background:var(--bg-base)}.admin-header{background:var(--grad-hero);border-bottom:1px solid var(--border-subtle);padding:0 24px;position:sticky;top:0;z-index:50;box-shadow:0 4px 30px #00000080}.admin-header .header-content{max-width:1280px;margin:0 auto;height:64px;display:flex;justify-content:space-between;align-items:center}.header-title{display:flex;flex-direction:column;gap:1px}.header-eyebrow{font-size:.67rem;letter-spacing:.12em;font-weight:700;color:var(--purple);text-transform:uppercase}.admin-header h1{font-size:1.15rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em;margin:0}.user-info{display:flex;gap:10px;align-items:center}.user-name{font-weight:500;font-size:.9rem;color:var(--text-secondary)}.back-btn{background:#ffffff12;color:var(--text-secondary);border:1px solid var(--border-subtle);padding:8px 16px;border-radius:var(--radius-sm);font-weight:600;font-size:.85rem;cursor:pointer;transition:all .2s}.back-btn:hover{background:#ffffff1f;color:var(--text-primary)}.logout-btn{background:var(--grad-primary);color:#fff;border:none;padding:8px 16px;border-radius:var(--radius-sm);font-weight:600;font-size:.85rem;cursor:pointer;transition:opacity .2s}.logout-btn:hover{opacity:.88}.admin-tabs{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;gap:2px;border-bottom:1px solid var(--border-subtle)}.tab-btn{background:transparent;border:none;border-bottom:2px solid transparent;padding:14px 22px;font-size:.9rem;font-weight:600;color:var(--text-muted);cursor:pointer;border-radius:0;transition:color .2s,border-color .2s;letter-spacing:.01em}.tab-btn:hover{color:var(--text-secondary)}.tab-btn.active{color:var(--purple);border-bottom-color:var(--brand-primary)}.admin-content{max-width:1280px;margin:0 auto;padding:32px 24px 60px}.create-course-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px 28px;margin-bottom:28px}.create-course-card h3{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.create-course-card .hint{color:var(--text-muted);font-size:.85rem;margin-bottom:16px;line-height:1.5}.create-course-form{display:flex;gap:12px}.create-course-form input{flex:1;background:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:var(--radius-sm);padding:11px 14px;font-size:.9rem}.create-course-form input:focus{border-color:var(--brand-accent);box-shadow:0 0 0 3px var(--brand-glow);outline:none}.create-course-form button{padding:11px 24px;background:var(--grad-primary);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:700;font-size:.9rem;cursor:pointer;white-space:nowrap;transition:opacity .2s,transform .15s;box-shadow:0 3px 12px #7c3aed4d}.create-course-form button:hover{opacity:.9;transform:translateY(-1px)}.create-course-form button:disabled{opacity:.5;cursor:not-allowed;transform:none}.courses-admin-section h2{font-size:1.1rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.07em;margin-bottom:20px}.course-admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}.course-admin-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}.course-admin-card:hover{border-color:var(--border-active);transform:translateY(-3px)}.course-admin-cover{height:130px;background-size:cover;background-position:center;background-color:var(--bg-hover);display:flex;align-items:center;justify-content:center}.course-admin-cover .no-cover{color:var(--text-muted);font-size:.82rem}.course-admin-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}.course-admin-body h3{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:6px;letter-spacing:-.01em}.course-admin-summary{font-size:.83rem;color:var(--text-muted);margin-bottom:12px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}.course-admin-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.modules-badge{background:#a78bfa1f;color:var(--purple);border:1px solid rgba(167,139,250,.25);padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:700}.slug-badge{background:#ffffff0d;border:1px solid var(--border-subtle);color:var(--text-muted);padding:3px 10px;border-radius:999px;font-size:.75rem;font-family:monospace}.course-admin-actions{display:flex;gap:8px;flex-wrap:wrap}.action-btn{padding:7px 14px;border:none;border-radius:var(--radius-sm);font-size:.8rem;font-weight:700;cursor:pointer;transition:opacity .2s,transform .15s;letter-spacing:.02em}.action-btn:hover{opacity:.85;transform:translateY(-1px)}.action-btn.assign{background:#a78bfa26;color:var(--purple)}.action-btn.refresh{background:#10b9811f;color:var(--green)}.action-btn.delete{background:#ef44441f;color:var(--red)}.assign-panel{margin-top:14px;padding-top:14px;border-top:1px solid var(--border-subtle)}.assign-add-block{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.assign-select{width:100%;background:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:var(--radius-sm);padding:9px 10px;font-size:.85rem}.assign-confirm-btn{width:100%;background:var(--grad-primary);color:#fff;border:none;padding:9px 16px;border-radius:var(--radius-sm);font-weight:700;font-size:.85rem;cursor:pointer;transition:opacity .2s;letter-spacing:.02em}.assign-confirm-btn:disabled{opacity:.4;cursor:not-allowed}.assign-empty{font-size:.82rem;color:var(--text-muted);margin:4px 0 0}.assigned-list{display:flex;flex-direction:column;gap:6px}.assigned-bar{display:flex;justify-content:space-between;align-items:center;background:#ffffff0a;border:1px solid var(--border-subtle);padding:8px 12px;border-radius:var(--radius-sm)}.assigned-bar-info{display:flex;flex-direction:column;gap:2px;min-width:0}.assigned-bar-name{font-size:.85rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.assigned-bar-email{font-size:.75rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.assign-panel .muted{color:var(--text-muted)}.remove-x{background:transparent;color:var(--red);border:none;cursor:pointer;font-size:.9rem;padding:2px 6px;line-height:1;border-radius:4px;transition:background 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var(--border-subtle);color:var(--text-secondary);border-radius:var(--radius-sm);font-size:.9rem;cursor:pointer;transition:border-color .2s}.toolbar-filters select:focus{outline:none;border-color:var(--brand-accent);box-shadow:0 0 0 3px var(--brand-glow)}.add-btn{background:var(--grad-primary);color:#fff;border:none;padding:10px 18px;border-radius:var(--radius-sm);font-weight:700;font-size:.88rem;cursor:pointer;white-space:nowrap;transition:opacity .2s,transform .15s;box-shadow:0 3px 12px #7c3aed4d}.add-btn:hover{opacity:.9;transform:translateY(-1px)}.data-table-wrapper{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden}.data-table{width:100%;border-collapse:collapse}.data-table thead{background:#ffffff08;border-bottom:1px solid var(--border-subtle)}.data-table th{text-align:left;padding:13px 18px;font-size:.7rem;letter-spacing:.08em;font-weight:700;color:var(--text-muted);text-transform:uppercase}.data-table td{padding:13px 18px;border-bottom:1px solid var(--border-subtle);font-size:.88rem;color:var(--text-secondary);vertical-align:middle}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover{background:#ffffff06}.cell-strong{font-weight:600;color:var(--text-primary)}.cell-sub{font-size:.75rem;color:var(--text-muted);margin-top:2px}.cell-mono{font-family:SF Mono,Roboto Mono,Menlo,monospace;font-size:.8rem;color:var(--text-secondary)}.cell-desc{max-width:300px;color:var(--text-secondary)}.muted{color:var(--text-muted)}.actions-col{text-align:right;white-space:nowrap}.row-btn{background:#ffffff0d;border:1px solid var(--border-subtle);color:var(--text-secondary);padding:6px 14px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:600;cursor:pointer;margin-left:6px;transition:all 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var(--border-subtle)}.progress-cell{display:flex;align-items:center;gap:10px;min-width:180px}.progress-track{flex:1;height:5px;background:#ffffff14;border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:var(--grad-success);border-radius:999px}.progress-label{font-size:.75rem;color:var(--text-muted);white-space:nowrap;min-width:36px;text-align:right}.empty-state{background:var(--bg-card);border:1px dashed var(--border-subtle);border-radius:var(--radius-lg);padding:52px;text-align:center;color:var(--text-muted);font-size:.92rem}.no-courses{background:var(--bg-card);border:1px dashed var(--border-subtle);padding:40px;border-radius:var(--radius-lg);text-align:center;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal{background:var(--bg-card);border:1px solid 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14px;background:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:var(--radius-sm);font-size:.92rem;font-weight:400;font-family:inherit;transition:border-color .2s,box-shadow .2s}.modal-form input:focus,.modal-form select:focus,.modal-form textarea:focus{outline:none;border-color:var(--brand-accent);box-shadow:0 0 0 3px var(--brand-glow)}.modal-form input:disabled{opacity:.45;cursor:not-allowed}.form-row{display:flex;gap:14px}.form-row label{flex:1}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}.btn-primary{background:var(--grad-primary);color:#fff;border:none;padding:11px 22px;border-radius:var(--radius-sm);font-weight:700;font-size:.9rem;cursor:pointer;transition:opacity .2s,transform .15s;box-shadow:0 3px 12px #7c3aed4d}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:#ffffff0f;color:var(--text-secondary);border:1px solid var(--border-subtle);padding:11px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:#ffffff1a;color:var(--text-primary)}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:12px 16px;border-radius:var(--radius-sm);font-size:.88rem}[data-theme=light] .admin-header h1{color:#fff}[data-theme=light] .header-eyebrow{color:#ffffffa6}[data-theme=light] .user-name{color:#ffffffd9}[data-theme=light] .admin-header .role-badge{background:#ffffff26;border-color:#ffffff4d;color:#fff}[data-theme=light] .admin-header .logout-btn{background:#ffffff1f;color:#fff;border-color:#ffffff40}[data-theme=light] .admin-header 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ease}.reset-course-btn:disabled{opacity:.5;cursor:not-allowed}@keyframes tooltipFadeIn{0%{opacity:0;transform:translate(-50%) translateY(-4px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes slideInDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.course-stats-box{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;max-width:900px;margin:32px auto 28px;padding:0 24px}.stat-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--bg-secondary);border:2px solid var(--border-light);border-radius:var(--radius-lg);padding:24px 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p{color:var(--text-secondary);font-size:.9rem}.quiz-result-banner-actions{display:flex;gap:10px;align-items:center;flex-shrink:0}.quiz-standalone-card{max-width:760px;margin:0 auto;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px 40px;box-shadow:var(--shadow-md)}.quiz-standalone-header{margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--border-subtle)}.quiz-standalone-meta{display:flex;align-items:center;gap:8px;margin-bottom:10px}.quiz-meta-icon{color:var(--purple)}.quiz-meta-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--purple)}.quiz-standalone-title{font-size:1.5rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em;line-height:1.25;margin-bottom:6px}.quiz-standalone-desc{font-size:.88rem;color:var(--text-muted)}.quiz-submit-btn{width:100%;margin-top:28px;display:flex;align-items:center;justify-content:center;gap:8px}.quiz-option-indicator{flex-shrink:0;width:18px;display:flex;align-items:center;justify-content:center}.quiz-option.correct .quiz-option-indicator{color:var(--green)}.quiz-option.incorrect .quiz-option-indicator{color:var(--red)}@media (max-width: 640px){.quiz-standalone-card{padding:24px 20px;margin:0 12px}.quiz-result-banner{margin:0 12px 16px;padding:18px 20px}.quiz-result-banner-actions{width:100%}}[data-theme=light] 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rgba(109,40,217,.1);--shadow-lg: 0 8px 40px rgba(109,40,217,.14);--shadow-glow: 0 0 24px rgba(109,40,217,.2);--brand-glow: rgba(109, 40, 217, .2);--brand-accent: #7c3aed}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-base);color:var(--text-primary)}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}button{cursor:pointer;font-size:.95rem;border:none;border-radius:var(--radius-sm);padding:10px 20px;transition:all .2s ease;font-family:inherit}input,textarea,select{font-size:.95rem;padding:11px 14px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);font-family:inherit;background:var(--bg-input);color:var(--text-primary)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--brand-accent);box-shadow:0 0 0 3px var(--brand-glow)}input::placeholder,textarea::placeholder{color:var(--text-muted)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-surface)}::-webkit-scrollbar-thumb{background:var(--border-active);border-radius:3px}.error-message{background:#ef44441f;border:1px solid rgba(239,68,68,.35);color:#fca5a5;padding:12px 16px;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:16px}[data-theme=light] .error-message{background:#dc262614;border-color:#dc26264d;color:#b91c1c}.loading{display:flex;align-items:center;justify-content:center;min-height:200px;color:var(--text-secondary);font-size:1rem}.theme-toggle-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.15);color:#fffc;padding:7px 10px;border-radius:var(--radius-sm);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .2s,color .2s}.theme-toggle-btn:hover{background:#ffffff29;color:#fff}[data-theme=light] 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