:root{--bg: #f1f4f9;--surface: #ffffff;--surface-alt: #f8fafc;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #eff6ff;--navbar-bg: #0f172a;--navbar-text: #e2e8f0;--navbar-muted: #94a3b8;--success-bg: #ecfdf5;--success-text: #047857;--success-border: #a7f3d0;--warning-bg: #fffbeb;--warning-text: #92400e;--warning-border: #fde68a;--error-bg: #fef2f2;--error-text: #b91c1c;--error-border: #fecaca;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--radius: 12px}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.navbar{display:flex;align-items:center;gap:28px;padding:14px 28px;background:var(--navbar-bg);position:sticky;top:0;z-index:10}.navbar-brand{display:flex;align-items:center;gap:8px;font-weight:700;color:#fff;letter-spacing:-.01em}.navbar-logo{width:22px;height:22px;object-fit:contain;border-radius:4px}.navbar-links{display:flex;gap:22px;flex:1}.navbar-links a{color:var(--navbar-muted);text-decoration:none;font-size:14px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:color .15s ease}.navbar-links a:hover{color:var(--navbar-text)}.navbar-links a.active{color:#fff;border-bottom-color:var(--primary)}.navbar-user{display:flex;align-items:center;gap:14px;font-size:14px}.navbar-user a{color:var(--navbar-text);text-decoration:none;font-weight:600}.navbar-user a:hover{color:#fff}.navbar-user button{background:#ffffff14;color:var(--navbar-text);box-shadow:none}.navbar-user button:hover{background:#ffffff29;color:#fff}.page{max-width:1100px;margin:0 auto;padding:36px 24px 60px}.page-center{display:flex;align-items:center;justify-content:center;min-height:60vh}h1{margin:0 0 6px;font-size:26px;font-weight:800;letter-spacing:-.02em}h2{font-weight:700;letter-spacing:-.01em}h3{font-weight:700;letter-spacing:-.01em;margin-top:0}.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px;margin-bottom:20px}.login-card{width:380px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-md)}.login-logo{display:flex;justify-content:center;width:56px;height:56px;align-items:center;border-radius:14px;background:var(--primary-light);margin:0 auto 4px}.login-card h1{text-align:center;font-size:22px}.login-card>p.muted{text-align:center;margin-top:-6px;margin-bottom:6px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:14px}.checkbox-label{flex-direction:row;align-items:center;gap:8px;color:var(--text)}input,textarea,select{font-family:inherit;font-size:14px;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font-weight:400;color:var(--text);background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}button{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:var(--shadow-sm);transition:background .15s ease,transform .05s ease}button:hover{background:var(--primary-dark)}button:active{transform:translateY(1px)}button:disabled{background:#cbd5e1;cursor:not-allowed;box-shadow:none}.error{background:var(--error-bg);color:var(--error-text);border:1px solid var(--error-border);padding:9px 12px;border-radius:8px;font-size:14px;margin-bottom:12px}.banner{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;margin-bottom:20px;box-shadow:var(--shadow-sm)}.banner-success{background:var(--success-bg);color:var(--success-text);border-color:var(--success-border)}.spinner{width:32px;height:32px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--primary);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}.video-card{display:block;text-decoration:none;color:var(--text);overflow:hidden;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.video-card:hover{box-shadow:var(--shadow-md);border-color:#cbd5e1;transform:translateY(-2px)}.video-card-thumb{aspect-ratio:16 / 9;object-fit:cover;border-radius:8px 8px 0 0;margin:-22px -22px 12px;width:calc(100% + 44px);display:block;background:var(--surface-alt)}.video-card-thumb-empty{background:linear-gradient(135deg,var(--surface-alt),var(--border))}.video-thumb{width:72px;height:40px;object-fit:cover;border-radius:6px;display:block;background:var(--surface-alt)}.video-thumb-empty{background:linear-gradient(135deg,var(--surface-alt),var(--border))}.video-card-title-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.video-card h3{margin:0 0 8px;font-size:16px}.badge{display:inline-block;font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--surface-alt);color:var(--muted);margin-left:6px;text-transform:uppercase;letter-spacing:.03em}.badge-required{background:var(--warning-bg);color:var(--warning-text)}.badge-success{background:var(--success-bg);color:var(--success-text)}.progress-bar{height:7px;background:var(--surface-alt);border-radius:999px;overflow:hidden;margin-top:10px}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),#60a5fa);border-radius:999px;transition:width .3s ease}.video-player-wrap{max-width:900px;position:relative}.video-element{width:100%;border-radius:var(--radius);background:#000;box-shadow:var(--shadow-md)}.video-overlay-banner{margin-top:10px;padding:10px 14px;border-radius:8px;background:var(--error-bg);color:var(--error-text);font-size:14px;border:1px solid var(--error-border)}.video-overlay-success{background:var(--success-bg);color:var(--success-text);border-color:var(--success-border)}.video-meta-row{display:flex;justify-content:space-between;margin-top:10px;font-size:13px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172aa6;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:100}.attention-modal{width:320px;text-align:center;box-shadow:var(--shadow-md)}.back-link{display:inline-block;margin-bottom:16px;color:var(--muted);text-decoration:none;font-size:14px;font-weight:500}.back-link:hover{color:var(--primary)}.table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}.table th,.table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:hover{background:var(--surface-alt)}.table th{background:var(--surface-alt);font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}.table-scroll{overflow-x:auto;border-radius:var(--radius)}.matrix-table{white-space:nowrap}.cell-suspicious{background:var(--warning-bg)}.cell-not-applicable{color:var(--muted);background:var(--surface-alt)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px}.stat-card{text-align:center}.stat-value{font-size:34px;font-weight:800;color:var(--primary-dark);letter-spacing:-.02em}.admin-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.admin-link{text-decoration:none;color:var(--text);font-weight:600;text-align:center;transition:transform .12s ease,box-shadow .12s ease}.admin-link:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.library-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}@media (max-width: 800px){.library-columns{grid-template-columns:1fr}}.library-folder{padding:12px 0;border-bottom:1px solid var(--border)}.library-folder:last-of-type{border-bottom:none}.library-playlist-list{list-style:none;margin:8px 0;padding:0;display:flex;flex-direction:column;gap:4px}.library-playlist-btn{background:transparent;color:var(--text);box-shadow:none;border:1px solid transparent;text-align:left;padding:6px 10px;font-weight:500;width:100%}.library-playlist-btn:hover{background:var(--surface-alt)}.library-playlist-btn.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark)}.library-inline-form{display:flex;gap:8px}.library-inline-form input{flex:1}.library-checklist{max-height:240px;overflow-y:auto;border:1px solid var(--border);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:4px}.gate-result h2{margin-top:0;letter-spacing:-.01em}.gate-pass{background:var(--success-bg);border-color:var(--success-border);color:var(--success-text)}.gate-fail{background:var(--error-bg);border-color:var(--error-border);color:var(--error-text)}