@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--secondary:#0ea5e9;--accent:#f59e0b;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--info:#0ea5e9;--bg:#0f0f1a;--bg-card:#1a1a2e;--bg-elevated:#22223b;--bg-input:#16213e;--border:#6366f133;--border-hover:#6366f180;--text:#f1f5f9;--text-muted:#94a3b8;--text-dim:#64748b;--radius-sm:8px;--radius:12px;--radius-lg:20px;--radius-xl:28px;--shadow:0 4px 24px #0006;--shadow-lg:0 8px 48px #0009;--shadow-primary:0 4px 20px #6366f14d;--transition:all .2s cubic-bezier(.4, 0, .2, 1);--font:"Inter", -apple-system, sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 24px}.page{min-height:100vh;padding:40px 24px}.page-center{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);padding:28px}.card:hover{border-color:var(--border-hover)}.card-elevated{background:var(--bg-elevated)}.btn{border-radius:var(--radius);cursor:pointer;font-family:var(--font);transition:var(--transition);white-space:nowrap;border:none;align-items:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);color:#fff;box-shadow:var(--shadow-primary)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 28px #6366f173}.btn-secondary{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--border-hover);background:var(--bg-input)}.btn-success{color:#fff;background:linear-gradient(135deg,#059669,#10b981)}.btn-success:hover{transform:translateY(-1px);box-shadow:0 4px 16px #10b98166}.btn-danger{color:#fff;background:linear-gradient(135deg,#dc2626,#ef4444)}.btn-danger:hover{transform:translateY(-1px);box-shadow:0 4px 16px #ef444466}.btn-ghost{color:var(--text-muted);background:0 0;padding:8px 14px}.btn-ghost:hover{color:var(--text);background:var(--bg-elevated)}.btn-sm{padding:6px 14px;font-size:.8rem}.btn-lg{border-radius:var(--radius-lg);padding:14px 28px;font-size:1rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:600}.form-input,.form-select,.form-textarea{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font);transition:var(--transition);width:100%;padding:11px 14px;font-size:.95rem}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f126}.form-textarea{resize:vertical;min-height:80px}.form-select{cursor:pointer}.form-select option{background:var(--bg-card)}.badge{letter-spacing:.04em;border-radius:999px;align-items:center;padding:3px 10px;font-size:.75rem;font-weight:700;display:inline-flex}.badge-primary{color:var(--primary-light);background:#6366f133}.badge-success{color:#34d399;background:#10b98133}.badge-danger{color:#f87171;background:#ef444433}.badge-warning{color:#fbbf24;background:#f59e0b33}.badge-gray{color:var(--text-muted);background:#64748b33}.page-title{color:var(--text);margin-bottom:4px;font-size:2rem;font-weight:800}.page-subtitle{color:var(--text-muted);margin-bottom:32px;font-size:1rem}.section-title{color:var(--text);margin-bottom:16px;font-size:1.1rem;font-weight:700}h1,h2,h3{color:var(--text)}.divider{background:var(--border);height:1px;margin:20px 0}.gradient-text{background:linear-gradient(135deg, var(--primary-light), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.navbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#1a1a2ecc;justify-content:space-between;align-items:center;padding:16px 32px;display:flex;position:sticky;top:0}.navbar-brand{align-items:center;gap:10px;font-size:1.2rem;font-weight:800;display:flex}.navbar-brand span{color:var(--primary-light)}.grid-2{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;display:grid}.grid-3{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;display:grid}.flex-between{justify-content:space-between;align-items:center;display:flex}.flex-gap{align-items:center;gap:12px;display:flex}.stat-card{background:linear-gradient(135deg, var(--bg-card), var(--bg-elevated));border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px}.stat-value{margin:4px 0;font-size:2rem;font-weight:800}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem;font-weight:500}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:300px;display:flex}.alert{border-radius:var(--radius);align-items:flex-start;gap:10px;margin-bottom:16px;padding:14px 18px;font-size:.9rem;font-weight:500;display:flex}.alert-error{color:#fca5a5;background:#ef44441a;border:1px solid #ef44444d}.alert-success{color:#6ee7b7;background:#10b9811a;border:1px solid #10b9814d}.alert-warning{color:#fcd34d;background:#f59e0b1a;border:1px solid #f59e0b4d}.alert-info{color:#7dd3fc;background:#0ea5e91a;border:1px solid #0ea5e94d}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;justify-content:center;align-items:center;padding:24px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:500px;box-shadow:var(--shadow-lg);padding:32px;animation:.2s slideUp}.modal-title{margin-bottom:12px;font-size:1.2rem;font-weight:700}.modal-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.progress-bar{background:var(--bg-elevated);border-radius:999px;height:8px;overflow:hidden}.progress-fill{border-radius:999px;height:100%;transition:width .5s}.progress-primary{background:linear-gradient(90deg, var(--primary), var(--secondary))}.progress-success{background:linear-gradient(90deg,#059669,#10b981)}.progress-danger{background:linear-gradient(90deg,#dc2626,#ef4444)}.test-layout{grid-template-columns:1fr 280px;gap:24px;height:calc(100vh - 72px);display:grid}.test-main{padding:24px;overflow-y:auto}.test-sidebar{border-left:1px solid var(--border);padding:24px;overflow-y:auto}@media (width<=768px){.test-layout{grid-template-columns:1fr}.test-sidebar{display:none}}.question-nav-grid{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.q-nav-btn{aspect-ratio:1;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-muted);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;font-size:.8rem;font-weight:600;display:flex}.q-nav-btn:hover{border-color:var(--primary);color:var(--text)}.q-nav-btn.answered{color:#34d399;background:#10b98126;border-color:#10b981}.q-nav-btn.current{background:var(--primary);border-color:var(--primary);color:#fff}.q-nav-btn.marked{border-color:var(--warning);color:#fbbf24;background:#f59e0b26}.option-label{background:var(--bg-input);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:var(--transition);-webkit-user-select:none;user-select:none;align-items:center;gap:12px;padding:14px 18px;display:flex}.option-label:hover{border-color:var(--primary);background:#6366f114}.option-label.selected{border-color:var(--primary);color:#fff;background:#6366f126}.option-label input{display:none}.timer{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);font-variant-numeric:tabular-nums;letter-spacing:.02em;text-align:center;min-width:80px;transition:var(--transition);padding:10px 18px;font-size:1.4rem;font-weight:800}.timer.urgent{border-color:var(--danger);color:var(--danger);animation:1s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.violation-modal .modal{border-color:#ef444480}.violation-icon{text-align:center;margin-bottom:16px;font-size:3rem}.score-circle{background:conic-gradient(var(--primary) 0%, var(--secondary) var(--pct,0%), var(--bg-elevated) var(--pct,0%));border-radius:50%;justify-content:center;align-items:center;width:160px;height:160px;margin:0 auto;display:flex;position:relative}.score-circle:before{content:"";background:var(--bg-card);border-radius:50%;width:120px;height:120px;position:absolute}.score-inner{z-index:1;text-align:center;position:relative}.score-percent{font-size:1.8rem;font-weight:800}.score-label{color:var(--text-muted);font-size:.75rem}.table-wrap{border-radius:var(--radius-lg);border:1px solid var(--border);overflow-x:auto}table{border-collapse:collapse;width:100%}th{background:var(--bg-elevated);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;text-align:left;padding:12px 16px;font-size:.75rem;font-weight:700}td{border-top:1px solid var(--border);color:var(--text);padding:14px 16px;font-size:.9rem}tr:hover td{background:#6366f10a}.empty-state{text-align:center;padding:60px 20px}.empty-icon{margin-bottom:16px;font-size:3rem}.empty-title{margin-bottom:8px;font-size:1.3rem;font-weight:700}.empty-desc{color:var(--text-muted);margin-bottom:24px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}.no-select{-webkit-user-select:none;user-select:none}.fade-in{animation:.3s fadeIn}.slide-up{animation:.3s slideUp}.fs-banner{z-index:9999;background:var(--danger);color:#fff;text-align:center;padding:12px;font-size:.9rem;font-weight:700;animation:.3s slideDown;position:fixed;top:0;left:0;right:0}@keyframes slideDown{0%{transform:translateY(-100%)}to{transform:translateY(0)}}.breakdown-card{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;padding:14px 18px}.breakdown-card.correct{background:#10b9810d;border-color:#10b98166}.breakdown-card.incorrect{background:#ef44440d;border-color:#ef44444d}.breakdown-card.skipped{background:#64748b0d;border-color:#64748b4d}