:root{--bg: #f6f7fb;--bg-card: #ffffff;--bg-sub: #f1f3f9;--border: #e2e6f0;--text: #0f172a;--text-muted: #64748b;--text-faint: #94a3b8;--accent: #2563eb;--accent-soft: #dbeafe;--accent-strong: #1d4ed8;--warning: #b45309;--warning-soft: #fef3c7;--shadow: 0 2px 6px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .06);--radius: 14px;--radius-sm: 8px;--sidebar-w: 260px;--topbar-h: 56px;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Segoe UI,Roboto,sans-serif;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme]){--bg: #0b1020;--bg-card: #131a2c;--bg-sub: #1a2236;--border: #2b3450;--text: #e2e8f0;--text-muted: #94a3b8;--text-faint: #64748b;--accent: #60a5fa;--accent-soft: #1e3a5f;--accent-strong: #3b82f6;--warning: #fbbf24;--warning-soft: #422006;--shadow: 0 2px 6px rgba(0, 0, 0, .25), 0 12px 36px rgba(0, 0, 0, .4);color-scheme:dark}}:root[data-theme=light]{--bg: #f6f7fb;--bg-card: #ffffff;--bg-sub: #f1f3f9;--border: #e2e6f0;--text: 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