:root {
    --clr-accent: #3b82f6;
    --clr-accent-hover: #2563eb;
    --clr-accent-light: #eff6ff;
    --clr-accent-subtle: #dbeafe;

    --clr-success: #22c55e;
    --clr-success-bg: #f0fdf4;
    --clr-warning: #f59e0b;
    --clr-warning-bg: #fffbeb;
    --clr-error: #ef4444;
    --clr-error-bg: #fef2f2;
    --clr-info: #6366f1;
    --clr-info-bg: #eef2ff;

    --clr-bg: #ffffff;
    --clr-bg-secondary: #f8fafc;
    --clr-bg-tertiary: #f1f5f9;
    --clr-surface: #ffffff;
    --clr-border: #e2e8f0;
    --clr-border-hover: #cbd5e1;
    --clr-text-primary: #0f172a;
    --clr-text-secondary: #475569;
    --clr-text-tertiary: #94a3b8;
    --clr-text-disabled: #cbd5e1;

    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.06), 0 4px 6px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.08), 0 8px 10px rgba(0,0,0,0.04);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --fw-normal: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    --skeleton-base: #e2e8f0;
    --skeleton-shine: #f1f5f9;
}

[data-bs-theme="dark"] {
    --clr-bg: #0b0f1a;
    --clr-bg-secondary: #111827;
    --clr-bg-tertiary: #1e293b;
    --clr-surface: #1e293b;
    --clr-border: #334155;
    --clr-border-hover: #475569;
    --clr-text-primary: #f1f5f9;
    --clr-text-secondary: #94a3b8;
    --clr-text-tertiary: #64748b;
    --clr-text-disabled: #475569;
    --clr-accent-light: #1e3a5f;
    --clr-accent-subtle: #1e3a5f;

    --clr-success-bg: #052e16;
    --clr-warning-bg: #451a03;
    --clr-error-bg: #450a0a;
    --clr-info-bg: #1e1b4b;

    --skeleton-base: #1e293b;
    --skeleton-shine: #334155;

    --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.4);
}