*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f7fa;--bg-card: #ffffff;--bg-hover: #f0f2f5;--text: #1a1d27;--text-secondary: #64748b;--primary: #6366f1;--primary-hover: #4f46e5;--danger: #ef4444;--danger-hover: #dc2626;--warning: #f59e0b;--success: #10b981;--info: #3b82f6;--border: #e2e8f0;--radius: 12px;--radius-sm: 8px}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100%}.app{min-height:100vh;display:flex;flex-direction:column}.page{flex:1;padding:24px;max-width:1200px;margin:0 auto;width:100%}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:0 1px 3px #0000000f}.card.center{text-align:center;max-width:600px;margin:80px auto}.card h1,.card h2{margin-bottom:8px}.card .subtitle{color:var(--text-secondary);margin-bottom:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:1px solid transparent;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease;font-family:inherit}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg-hover);color:var(--text);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-ghost{background:transparent;color:var(--text-secondary);border-color:var(--border)}.btn-large{padding:14px 32px;font-size:16px}.btn-small{padding:6px 12px;font-size:12px}.checklist{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.check-item{display:flex;gap:16px;padding:16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg)}.check-item.ok{border-color:color-mix(in srgb,var(--success) 50%,white);background:color-mix(in srgb,var(--success) 4%,white)}.check-item.error{border-color:color-mix(in srgb,var(--danger) 50%,white);background:color-mix(in srgb,var(--danger) 4%,white)}.check-icon{font-size:20px;width:28px;text-align:center;flex-shrink:0;padding-top:2px}.check-item.ok .check-icon{color:var(--success)}.check-item.error .check-icon{color:var(--danger)}.check-body{flex:1;display:flex;flex-direction:column;gap:4px}.check-body strong{font-size:15px}.status-pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500;width:fit-content}.status-pill.ok{background:color-mix(in srgb,var(--success) 12%,white);color:#059669}.status-pill.bad{background:color-mix(in srgb,var(--danger) 12%,white);color:#dc2626}.hint{color:var(--text-secondary);font-size:13px}.check-item input[type=checkbox]{width:20px;height:20px;cursor:pointer;accent-color:var(--primary)}.actions{display:flex;justify-content:center;padding-top:16px}.help-section{margin-top:8px}.browser-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}.help-link{display:inline-block;padding:4px 12px;border-radius:6px;font-size:13px;font-weight:500;text-decoration:none;background:color-mix(in srgb,var(--primary) 10%,white);color:var(--primary);border:1px solid color-mix(in srgb,var(--primary) 25%,white);transition:background .15s}.help-link:hover{background:color-mix(in srgb,var(--primary) 18%,white)}.device-preview{margin:24px 0}.test-controls{text-align:center;margin-bottom:24px}.test-playback{display:flex;flex-direction:column;align-items:center;gap:16px}.error-box{background:color-mix(in srgb,var(--danger) 8%,white);border:1px solid color-mix(in srgb,var(--danger) 30%,white);border-radius:var(--radius-sm);padding:16px;color:#dc2626}.video-preview-wrapper{position:relative;border-radius:var(--radius-sm);overflow:hidden;background:#000}.video-element{display:block;width:100%;border-radius:var(--radius-sm);background:#000}.video-element.mirrored{transform:scaleX(-1)}.video-element.blurred{filter:blur(20px)}.video-label{position:absolute;bottom:12px;left:12px;background:#000000a6;color:#fff;padding:4px 12px;border-radius:6px;font-size:13px}.interview-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}@media(max-width:768px){.interview-grid{grid-template-columns:1fr}}.question-panel{display:flex;flex-direction:column;gap:16px}.question-text{font-size:18px;line-height:1.6;padding:16px 0}.phase-hint{color:var(--text-secondary);font-size:14px}.recording-hint{color:var(--danger);font-weight:500}.video-panel{display:flex;flex-direction:column;gap:12px;align-items:center}.recording-indicator{display:inline-flex;align-items:center;gap:8px;background:var(--danger);color:#fff;padding:4px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:1px;animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.timer-chip{display:inline-flex;align-items:center;gap:10px;padding:10px 20px;border-radius:var(--radius-sm);font-size:16px;font-weight:600}.timer-chip.info{background:color-mix(in srgb,var(--info) 10%,white);color:#2563eb}.timer-chip.warning{background:color-mix(in srgb,var(--warning) 10%,white);color:#d97706}.timer-chip.danger{background:color-mix(in srgb,var(--danger) 10%,white);color:#dc2626;animation:pulse .8s ease-in-out infinite}.timer-label{font-weight:400;font-size:14px}.timer-value{font-variant-numeric:tabular-nums}.progress-wrapper{margin-bottom:4px}.progress-info{display:flex;justify-content:space-between;font-size:13px;color:var(--text-secondary);margin-bottom:6px}.progress-track{height:6px;background:var(--border);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:var(--primary);border-radius:999px;transition:width .4s ease}.countdown-overlay{display:flex;flex-direction:column;align-items:center;gap:8px;padding:32px}.countdown-number{font-size:72px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}.upload-status{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px}.complete-icon{width:64px;height:64px;border-radius:50%;background:var(--success);color:#fff;font-size:32px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.resume-notice{color:var(--warning);font-size:14px}.error-text{color:var(--danger)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}