:root{--bg: #f6f7f9;--panel: #ffffff;--ink: #1c2024;--muted: #6b7280;--line: #e3e6ea;--accent: #2f6feb;--danger: #c0392b;--warning: #8a6100;color-scheme:light dark}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #16181c;--panel: #1e2126;--ink: #e8eaed;--muted: #9aa3ad;--line: #2c3037;--accent: #5b8dee;--danger: #e06a5c;--warning: #d9a441}:root:not([data-theme=light]){color-scheme:dark}}:root[data-theme=dark]{--bg: #16181c;--panel: #1e2126;--ink: #e8eaed;--muted: #9aa3ad;--line: #2c3037;--accent: #5b8dee;--danger: #e06a5c;--warning: #d9a441;color-scheme:dark}:root[data-theme=light]{color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}header{display:flex;align-items:center;gap:12px;padding:10px 20px;background:var(--panel);border-bottom:1px solid 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