:root{--bg: #fbfbfd;--surface: #ffffff;--surface-2: #f4f4f7;--surface-3: #ececf1;--border: #e2e2e9;--border-strong: #cdcdd8;--text: #16161d;--text-secondary: #55555f;--text-muted: #85858f;--text-faint: #a8a8b3;--accent: #c2410c;--accent-soft: #fff1e9;--accent-text: #9a3412;--success: #15803d;--success-soft: #eafaf0;--warning: #a16207;--warning-soft: #fdf6e3;--danger: #b91c1c;--danger-soft: #fdeaea;--info: #1d4ed8;--info-soft: #eef2ff;--radius: 10px;--radius-lg: 14px;--shadow: 0 1px 2px rgb(16 16 29 / .05), 0 1px 3px rgb(16 16 29 / .04);--shadow-lg: 0 4px 16px rgb(16 16 29 / .08);--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--nav-width: 216px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0d0d11;--surface: #16161c;--surface-2: #1d1d24;--surface-3: #26262f;--border: #2a2a34;--border-strong: #3a3a46;--text: #f2f2f5;--text-secondary: #b4b4c0;--text-muted: #85858f;--text-faint: #63636e;--accent: #fb923c;--accent-soft: #2a1a10;--accent-text: #fdba74;--success: #4ade80;--success-soft: #10231a;--warning: #fbbf24;--warning-soft: #241d0d;--danger: #f87171;--danger-soft: #2a1416;--info: #93b4fd;--info-soft: #141a2e;--shadow: 0 1px 2px rgb(0 0 0 / .3);--shadow-lg: 0 4px 20px rgb(0 0 0 / .4)}}*{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.55}h1,h2,h3,h4{margin:0;letter-spacing:-.015em;line-height:1.25}h1{font-size:1.6rem;font-weight:650}h2{font-size:1.15rem;font-weight:620}h3{font-size:.98rem;font-weight:600}p{margin:0 0 .85em}a{color:inherit;text-decoration:none}.app{display:flex;min-height:100vh}.sidebar{width:var(--nav-width);flex-shrink:0;border-right:1px solid var(--border);background:var(--surface);padding:18px 12px;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{display:flex;align-items:center;gap:9px;padding:4px 10px 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