/* Design System Variables */

:root {
    /* Colors - Aluprem Branding */
    --color-primary: #003d7a;
    --color-primary-dark: #002a54;
    --color-primary-light: #1a5a9e;

    --color-secondary: #f0a500;
    --color-secondary-dark: #d69200;
    --color-secondary-light: #ffb830;

    --color-accent: #00a8e8;

    /* Neutral Colors */
    --color-black: #0a0a0a;
    --color-gray-900: #1a1a1a;
    --color-gray-800: #2d2d2d;
    --color-gray-700: #4a4a4a;
    --color-gray-600: #6b6b6b;
    --color-gray-500: #8c8c8c;
    --color-gray-400: #adadad;
    --color-gray-300: #d4d4d4;
    --color-gray-200: #e5e5e5;
    --color-gray-100: #f5f5f5;
    --color-white: #ffffff;

    /* RAL Colors for Aluminum */
    --color-ral-7016: #383e42;
    --color-ral-9001: #fdf4e3;
    --color-ral-9005: #0a0a0a;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-heading: 'Inter', sans-serif;

    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;

    /* Spacing */
    --spacing-xs: 0.25rem;    /* 4px */
    --spacing-sm: 0.5rem;     /* 8px */
    --spacing-md: 1rem;       /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-2xl: 3rem;      /* 48px */
    --spacing-3xl: 4rem;      /* 64px */

    /* Border Radius */
    --radius-sm: 0.25rem;     /* 4px */
    --radius-md: 0.5rem;      /* 8px */
    --radius-lg: 0.75rem;     /* 12px */
    --radius-xl: 1rem;        /* 16px */
    --radius-2xl: 1.5rem;     /* 24px */
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-Index */
    --z-base: 0;
    --z-dropdown: 1000;
    --z-sticky: 1100;
    --z-overlay: 1200;
    --z-modal: 1300;
    --z-popover: 1400;
    --z-tooltip: 1500;

    /* Layout */
    --header-height: 70px;
    --sidebar-width: 380px;
    --price-panel-width: 340px;

    /* 3D Materials */
    --material-aluminum: #d4d4d8;
    --material-glass-clear: rgba(255, 255, 255, 0.2);
    --material-glass-opal: rgba(255, 255, 255, 0.6);
    --material-poly-clear: rgba(200, 230, 255, 0.3);
    --material-poly-opal: rgba(255, 255, 255, 0.7);
}

/* Dark Mode Support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: var(--color-gray-900);
        --color-surface: var(--color-gray-800);
        --color-text: var(--color-gray-100);
    }
}