/* Design tokens from brand/design-tokens.json */
:root {
    /* Colors */
    --color-primary: #007bff;
    --color-primary-light: #00b4ff;
    --color-background-light: #f6faff;
    --color-background-gradient: #e8f0ff;
    --color-white: #ffffff;
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a4a6a;
    --color-text-muted: #8888aa;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;

    /* Derived color tints (for alerts, toasts, badges) */
    --color-primary-hover: #0069d9;
    --color-primary-active: #0062cc;
    --color-danger-hover: #c82333;
    --color-danger-active: #bd2130;
    --color-success-bg: #d4edda;
    --color-success-text: #155724;
    --color-success-border: #c3e6cb;
    --color-warning-bg: #fff3cd;
    --color-warning-text: #856404;
    --color-warning-border: #ffeeba;
    --color-danger-bg: #f8d7da;
    --color-danger-text: #721c24;
    --color-danger-border: #f5c6cb;
    --color-info-bg: #d1ecf1;
    --color-info-text: #0c5460;
    --color-info-border: #bee5eb;
    --color-info: #17a2b8;
    --color-border: #d1d5db;

    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Font Sizes */
    --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;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);

    /* Animation */
    --animation-preloader-duration: 3.8s;
    --animation-morph-duration: 3s;
    --transition-fast: 150ms;
    --transition-base: 300ms;
    --transition-slow: 500ms;
    --easing: cubic-bezier(0.4, 0, 0.2, 1);

    /* Breakpoints (for reference — use media queries directly) */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
}