:root{--bg: #f4f4f5;--card-bg: #ffffff;--text: #1a1a2e;--muted: #6b7280;--border: #e5e7eb;--primary: #4f46e5;--primary-hover: #4338ca;--primary-soft: rgba(79, 70, 229, .08);--danger: #b91c1c;--success: #15803d;--warning: #b45309;--shadow-sm: 0 1px 2px rgba(16, 16, 30, .04);--shadow-md: 0 4px 16px rgba(16, 16, 30, .06);--shadow-lg: 0 12px 32px rgba(16, 16, 30, .1);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--ease: cubic-bezier(.4, 0, .2, 1)}@media(prefers-color-scheme:dark){:root{--bg: #0f0f14;--card-bg: #17171f;--text: #f4f4f5;--muted: #9ca3af;--border: #2a2a35;--primary: #6366f1;--primary-hover: #818cf8;--primary-soft: rgba(99, 102, 241, .14);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .28);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}#root{min-height:100vh}.page{min-height:100vh;display:flex;flex-direction:column}.center-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 15% 10%,var(--primary-soft),transparent 45%),radial-gradient(circle at 85% 90%,var(--primary-soft),transparent 45%),var(--bg)}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm)}.auth-card{width:100%;max-width:380px;box-shadow:var(--shadow-lg)}.logo{font-size:20px;font-weight:700;margin-bottom:4px;display:flex;align-items:center;gap:10px}.logo-mark{height:56px;width:56px;border-radius:14px;background:#fff;padding:6px;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.logo-mark img{height:100%;width:100%;object-fit:contain}.logo-mark--sm{height:32px;width:32px;border-radius:8px;padding:3px;box-shadow:var(--shadow-sm)}.logo-mark--icon{background:var(--primary-soft);color:var(--primary);box-shadow:none}.subtitle{color:var(--muted);font-size:13px;margin-bottom:24px;line-height:1.5}.label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;background:transparent;color:var(--text);margin-bottom:16px;outline:none;transition:border-color .15s var(--ease),box-shadow .15s var(--ease);font-family:inherit}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background-color .15s var(--ease),border-color .15s var(--ease),transform .1s var(--ease),box-shadow .15s var(--ease);font-family:inherit}.btn:active:not(:disabled){transform:scale(.98)}.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--primary-soft)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;width:100%;box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:var(--shadow-md)}.btn-outline{background:transparent;color:var(--text);border-color:var(--border)}.btn-outline:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{display:flex;align-items:flex-start;gap:8px;background:#b91c1c1a;border:1px solid rgba(185,28,28,.25);color:var(--danger);font-size:13px;padding:10px 12px;border-radius:var(--radius-sm);margin-bottom:16px;line-height:1.5}.success-banner{display:flex;align-items:flex-start;gap:8px;background:#15803d1a;border:1px solid rgba(21,128,61,.25);color:var(--success);font-size:13px;padding:10px 12px;border-radius:var(--radius-sm);margin-bottom:16px;line-height:1.5}.error-banner svg,.success-banner svg{flex-shrink:0;margin-top:1px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--card-bg);position:sticky;top:0;z-index:10}@media(max-width:480px){.topbar-username{display:none}.logo{font-size:15px!important}}.container{max-width:720px;margin:0 auto;padding:32px 24px;width:100%}.record-card{display:flex;align-items:center;gap:14px;padding:16px 18px;margin-bottom:12px;color:inherit;transition:transform .15s var(--ease),box-shadow .15s var(--ease),border-color .15s var(--ease)}.record-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-1px)}.record-icon{display:flex;align-items:center;justify-content:center;height:40px;width:40px;border-radius:var(--radius-sm);background:var(--primary-soft);color:var(--primary);flex-shrink:0}.record-body{flex:1;min-width:0}.record-title{font-weight:600;font-size:15px}.record-meta{color:var(--muted);font-size:12px;margin-top:2px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;flex-shrink:0;white-space:nowrap}.badge-passed{background:#15803d1a;color:var(--success)}.badge-failed{background:#b91c1c1a;color:var(--danger)}.badge-pending{background:#f59e0b1f;color:var(--warning)}.question-block{margin-bottom:24px}.question-text{font-weight:600;margin-bottom:10px;line-height:1.5}.option-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;cursor:pointer;transition:border-color .15s var(--ease),background-color .15s var(--ease)}.option-row:hover{border-color:var(--primary)}.option-row.selected{border-color:var(--primary);background:var(--primary-soft)}.option-row input{accent-color:var(--primary);width:16px;height:16px;flex-shrink:0}.result-row{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:14px}.muted{color:var(--muted)}.stack{display:flex;flex-direction:column;gap:8px}.row{display:flex;align-items:center}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--muted)}.back-link:hover{color:var(--primary);text-decoration:none}.skeleton{border-radius:var(--radius-sm);background:linear-gradient(90deg,var(--border) 25%,color-mix(in srgb,var(--border) 50%,var(--card-bg)) 50%,var(--border) 75%);background-size:200% 100%;animation:shimmer 1.4s ease-in-out infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-card{height:72px;margin-bottom:12px;border-radius:var(--radius-md)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:56px 24px;color:var(--muted)}.empty-state svg{color:var(--border);margin-bottom:12px}.empty-state p{margin:0;font-size:14px;max-width:320px;line-height:1.5}.score-ring-wrap{display:flex;justify-content:center;margin:4px 0 16px}.score-ring-value{font-size:22px;font-weight:700}