:root{--brand: #2563eb;--brand-strong: #1d4ed8;--brand-soft: #eff6ff;--ink: #0f172a;--muted: #5b6b81;--line: #e2e8f0;--surface: #ffffff;--page: #f1f5f9;--danger: #b91c1c;--danger-soft: #fef2f2;--danger-line: #fecaca;--ok: #15803d;--ok-soft: #f0fdf4;--ok-line: #bbf7d0;--warm-ink: #9a3412;--warm-soft: #fff7ed;--warm-line: #fed7aa;--info-soft: #eff6ff;--info-line: #bfdbfe;--radius: 12px;--radius-lg: 18px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-lg: 0 18px 45px rgba(15, 23, 42, .16);--modal-backdrop: rgba(15, 23, 42, .55);--modal-content: var(--surface);--font: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;--mono: ui-monospace, "Cascadia Mono", Consolas, 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