:root{color-scheme:light;--font-family-sans: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--color-surface: #ffffff;--color-surface-alt: #f8fafc;--color-surface-muted: #f1f5f9;--color-surface-soft: #fef3c7;--color-surface-soft-strong: #fef08a;--color-surface-accent: #eff6ff;--color-border: #e2e8f0;--color-border-strong: #cbd5f5;--color-border-muted: #e2e8f0cc;--color-primary: #2563eb;--color-primary-strong: #1d4ed8;--color-primary-muted: #bfdbfe;--color-positive: #1d4ed8;--color-warning: #f59e0b;--color-warning-soft: #fde68a;--color-danger: #b91c1c;--color-text-strong: #0f172a;--color-text-primary: #1e293b;--color-text-muted: #475569;--color-text-soft: #64748b;--color-text-subtle: #94a3b8;--color-text-inverse: #ffffff;--color-skeleton-base: #e2e8f0;--color-skeleton-highlight: #f8fafc;--radius-xs: 8px;--radius-sm: 12px;--radius-md: 16px;--radius-lg: 20px;--radius-full: 9999px;--spacing-2xs: 4px;--spacing-xs: 8px;--spacing-sm: 12px;--spacing-md: 16px;--spacing-lg: 20px;--spacing-xl: 24px;--spacing-2xl: 32px;--spacing-3xl: 40px;--shadow-sm: 0 8px 16px rgba(15, 23, 42, .04);--shadow-md: 0 16px 32px rgba(15, 23, 42, .08);--shadow-card: 0 24px 40px rgba(15, 23, 42, .06);--transition-fast: .15s ease;--transition-base: .2s ease}:root[data-theme=dark]{color-scheme:dark;--color-surface: #111827;--color-surface-alt: #1f2937;--color-surface-muted: #0f172a;--color-surface-soft: #f59e0b1a;--color-surface-soft-strong: #f59e0b33;--color-surface-accent: #1e293b;--color-border: #1f2937;--color-border-strong: #1d4ed8;--color-border-muted: #1f293780;--color-primary: #60a5fa;--color-primary-strong: #3b82f6;--color-primary-muted: #3b82f633;--color-positive: #93c5fd;--color-warning: #fbbf24;--color-warning-soft: #fbbf2440;--color-danger: #f87171;--color-text-strong: #f8fafc;--color-text-primary: #e2e8f0;--color-text-muted: #cbd5f5;--color-text-soft: #94a3b8;--color-text-subtle: #64748b;--color-text-inverse: #0f172a;--color-skeleton-base: #1f2937;--color-skeleton-highlight: #111827;--shadow-sm: 0 6px 16px rgba(8, 11, 18, .35);--shadow-md: 0 12px 24px rgba(8, 11, 18, .45);--shadow-card: 0 20px 32px rgba(8, 11, 18, .5)}body{background:var(--color-surface-alt);color:var(--color-text-primary);font-family:var(--font-family-sans);font-weight:var(--font-weight-regular);line-height:1.5;transition:background var(--transition-base),color var(--transition-base)}:root[data-theme=dark] body{background:var(--color-surface-muted)}