/* ==========================================================================
   CSS Variables - AgendANTAS Design System
   ========================================================================== */

:root {
    /* Colors - Primary */
    --color-primary: #e74c3c;
    --color-primary-dark: #c0392b;
    --color-primary-light: #ec7063;

    /* Colors - Secondary */
    --color-secondary: #3498db;
    --color-secondary-dark: #2980b9;
    --color-secondary-light: #5dade2;

    /* Colors - Accent */
    --color-success: #27ae60;
    --color-success-light: #2ecc71;
    --color-warning: #f39c12;
    --color-warning-light: #f1c40f;
    --color-danger: #e74c3c;
    --color-danger-light: #ec7063;
    --color-info: #3498db;
    --color-info-light: #5dade2;

    /* Colors - Neutrals */
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    --color-black: #000000;

    /* Background Colors */
    --bg-body: #f4f6f9;
    --bg-sidebar: #2c3e50;
    --bg-sidebar-dark: #1a252f;
    --bg-header: #ffffff;
    --bg-card: #ffffff;

    /* Text Colors */
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --text-light: #ffffff;
    --text-link: #3498db;
    --text-link-hover: #2980b9;

    /* Typography */
    --font-family-base: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-heading: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'Consolas', 'Monaco', 'Courier New', monospace;

    --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-base: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --spacing-0: 0;
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;     /* 48px */
    --spacing-16: 4rem;     /* 64px */

    /* Border Radius */
    --radius-sm: 0.25rem;   /* 4px */
    --radius-md: 0.375rem;  /* 6px */
    --radius-lg: 0.5rem;    /* 8px */
    --radius-xl: 0.75rem;   /* 12px */
    --radius-2xl: 1rem;     /* 16px */
    --radius-full: 9999px;

    /* 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);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --header-height: 60px;
    --container-max-width: 1200px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-body: #1a1a2e;
    --bg-sidebar: #16213e;
    --bg-sidebar-dark: #0f0f1a;
    --bg-header: #1a1a2e;
    --bg-card: #16213e;

    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --color-gray-100: #27272a;
    --color-gray-200: #3f3f46;
    --color-gray-300: #52525b;
}