:root{--bg: #ffffff;--fg: #1f1f1f;--muted: #5f6368;--border: #dadce0;--card: #f8f9fa;--accent: #1a73e8;--error: #c62828;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #1e1e1e;--fg: #e8e8e8;--muted: #a0a0a0;--border: #3c4043;--card: #2a2a2a;--accent: #8ab4f8;--error: #ef9a9a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:14px system-ui,sans-serif}button,select{padding:8px 12px;font:inherit;color:var(--fg);background:var(--card);border:1px solid var(--border);border-radius:6px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.muted{color:var(--muted)}.error{color:var(--error)}.center{min-height:100dvh;display:grid;place-content:center;justify-items:center;gap:12px;padding:16px;text-align:center}.shell{height:100dvh;display:flex;flex-direction:column}.shell header{display:flex;gap:8px;align-items:center;flex-wrap:nowrap;padding:8px 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var(--border)}.fcard.detail-tiny .ftext{padding:6px 8px;font-size:11px}.fcard.detail-full .finfo{padding:8px 12px 10px}