:root{--bg:#f6f8fa;--elev-1:#ffffff;--elev-2:#f9fafb;--border:#e2e8f0;--text:#1f2937;--text-weak:#6b7280;--text-strong:#0f172a;--accent:#2563eb}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Arial,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol}h1{margin:20px 0 8px;text-align:center;font-size:28px;color:var(--text-strong)}.container{display:flex;justify-content:space-around;margin:20px auto;max-width:1200px;gap:16px;padding:0 16px}.video-container{width:30%}canvas,video{width:100%;border:1px solid var(--border);background:#fff;border-radius:10px}.pulse-outline{border:2px solid var(--accent)!important;animation:pulseOutline 1.6s ease-out infinite;border-radius:8px}@keyframes pulseOutline{0%{box-shadow:0 0 #2f81f7b3}70%{box-shadow:0 0 0 10px #2f81f700}to{box-shadow:0 0 #2f81f700}}#faceInfo{margin-top:12px;text-align:center;font-size:16px;color:var(--text-weak)}