:root{--bg: #0f1115;--surface: #161a22;--surface-2: #1f2530;--surface-3: #262d3a;--border: #2a3140;--border-strong: #3a4358;--text: #e6e8ee;--text-dim: #8b93a7;--text-faint: #5c6373;--accent: #ff5c5c;--accent-soft: rgba(255, 92, 92, .13);--accent-strong: #ff7878;--ok: #4ade80;--warn: #fbbf24;--font-sans: ui-sans-serif, system-ui, -apple-system, "Inter", "Segoe UI", sans-serif;--font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;--font-mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Code", Menlo, monospace;--radius: 14px;--radius-sm: 8px;--radius-pill: 999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--shadow: 0 10px 40px rgba(0, 0, 0, .4);color-scheme:dark}@media(prefers-color-scheme:light){:root{--bg: #faf9f5;--surface: #ffffff;--surface-2: #f3f1ea;--surface-3: #e9e6dc;--border: #e3e0d6;--border-strong: #c9c5b7;--text: #1a1a1a;--text-dim: #5c6470;--text-faint: #8b93a7;--accent: #c0392b;--accent-soft: rgba(192, 57, 43, .08);--accent-strong: #a02d22;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow: 0 8px 32px rgba(0, 0, 0, .08);color-scheme:light}}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#app{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid 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