:root{--primary:#10b981;--primary-dark:#059669;--primary-light:#ecfdf5;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--border-light:#e5e7eb;--border-medium:#d1d5db;--bg-body:#f9fafb;--bg-surface:#fff;--bg-card:#fff;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px #0000000f;--shadow-lg:0 8px 24px #00000014;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-full:9999px;--transition:all .2s ease}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-body);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Poppins,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}#root{background-color:var(--bg-surface);max-width:420px;min-height:100vh;box-shadow:var(--shadow-lg);flex-direction:column;margin:0 auto;display:flex}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes 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var(--border-light);background:var(--bg-surface);color:var(--text-primary);cursor:pointer;border-radius:var(--radius-sm);outline:none;flex:1;padding:.375rem .5rem;font-family:inherit;font-size:.8125rem}.fps-setting{background:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border-light);align-items:center;gap:.75rem;padding:.375rem .5rem;display:flex}#fps-label{color:var(--text-secondary);min-width:45px;font-size:.75rem}input[type=range]{appearance:none;background:var(--border-medium);cursor:pointer;border-radius:2px;flex:1;height:3px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--primary);cursor:pointer;width:12px;height:12px;transition:var(--transition);border-radius:50%}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}.tone-setting{background:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border-light);align-items:center;gap:.5rem;padding:.375rem .5rem;display:flex}.tone-setting 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p{color:var(--text-muted);font-size:.75rem}.hidden{display:none!important}@media (width<=480px){#root{max-width:100%}}@media (width>=768px){#root{border-radius:var(--radius-lg);max-width:440px;min-height:calc(100vh - 3rem);margin:1.5rem auto}.main-content{padding:1.5rem}.camera-wrapper{aspect-ratio:16/10}.capture-btn{width:64px;height:64px}}