:root{--bg:#f5f5f7;--surface:#fff;--surface-2:#e5e5e7;--border:#d1d1d6;--text:#1d1d1f;--text-dim:#86868b;--accent:#0071e3;--success:#34c759;--warning:#ff9f0a;--error:#ff3b30}@media (prefers-color-scheme:dark){:root{--bg:#1d1d1f;--surface:#2d2d2f;--surface-2:#3d3d3f;--border:#424245;--text:#f5f5f7;--text-dim:#86868b;--accent:#0a84ff}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{touch-action:manipulation;background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;overscroll-behavior:none;font-family:system-ui,-apple-system,PingFang TC,sans-serif}.app{max-width:520px;padding:env(safe-area-inset-top) 12px env(safe-area-inset-bottom);margin:0 auto}.slots{grid-template-columns:repeat(5,1fr);gap:6px;padding:10px 0;display:grid}.slot{background:var(--surface-2);border:1.5px dashed 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