:root{--bg:#fff;--bg-soft:#f7f8fa;--bg-sunken:#f1f3f5;--border:#eef0f3;--border-strong:#dee2e6;--text:#191f28;--text-muted:#4e5968;--text-faint:#8b95a1;--accent:#3182f6;--accent-strong:#1b64da;--accent-soft:#e8f2ff;--accent-text:#1b64da;--danger:#e02d3c;--danger-soft:#fdecee;--warn:#a15c00;--warn-soft:#fff6e4;--ok:#067a52;--ok-soft:#e4f7f0;--radius:12px;--radius-lg:16px;--radius-xl:20px;--maxw:1080px;--measure:42em;color-scheme:light dark}@media 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