/* CSS Variables - Premium Design System Tokens */
:root {
    /* Brand Colors - Sophisticated Professional Palette */
    --clr-primary: #3730A3;
    /* Indigo 800 - Trustworthy Navy */
    --clr-primary-dark: #312E81;
    --clr-primary-light: #6366F1;
    --clr-accent: #0284C7;

    /* Gradients - Subtle & Modern */
    --bg-gradient-primary: linear-gradient(135deg, #3730A3 0%, #4338CA 100%);
    --bg-gradient-accent: linear-gradient(135deg, #0284C7 0%, #0EA5E9 100%);
    --bg-gradient-surface: #FFFFFF;
    --bg-gradient-main: #F4F4F5;
    /* Zinc 100 */

    /* Status Colors - Muted & Professional */
    --clr-success: #10B981;
    --clr-success-bg: rgba(16, 185, 129, 0.08);
    --clr-warning: #F59E0B;
    --clr-warning-bg: rgba(245, 158, 11, 0.08);
    --clr-danger: #EF4444;
    --clr-danger-bg: rgba(239, 68, 68, 0.08);
    --clr-info: #0EA5E9;

    /* Neutrals - Zinc Palette */
    --clr-bg-main: #F4F4F5;
    --clr-surface: #FFFFFF;
    --clr-surface-glass: rgba(255, 255, 255, 0.9);
    --clr-text: #18181B;
    /* Zinc 900 */
    --clr-text-muted: #71717A;
    /* Zinc 500 */
    --clr-border: #E4E4E7;
    /* Zinc 200 */

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;

    /* Effects - Softened Professional Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(55, 48, 163, 0.15);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Radius - More modern slightly rounded corners */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    --glass-border: 1px solid rgba(228, 228, 231, 1);
}

/* Dark Mode Overrides - Sophisticated Zinc Dark */
[data-theme='dark'] {
    --clr-bg-main: #09090B;
    /* Zinc 950 */
    --clr-surface: #18181B;
    /* Zinc 900 */
    --clr-surface-glass: rgba(24, 24, 27, 0.8);
    --clr-text: #FAFAFA;
    /* Zinc 50 */
    --clr-text-muted: #A1A1AA;
    /* Zinc 400 */
    --clr-border: #27272A;
    /* Zinc 800 */
    --clr-primary: #6366F1;
    --clr-primary-dark: #4F46E5;

    --bg-gradient-primary: linear-gradient(135deg, #4338CA, #6366F1);
    --bg-gradient-surface: linear-gradient(180deg, #18181B 0%, #09090B 100%);
    --bg-gradient-main: #09090B;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);

    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}