/**
 * AutoClipper Design System - CSS Variables
 * ==========================================
 * 
 * This file contains all design tokens used across the application.
 * Import this file first in any stylesheet that needs access to these variables.
 */

:root {
    /* ========================================
       COLOR PALETTE
       ======================================== */
    
    /* Primary Colors - Teal/Cyan Brand */
    --color-primary: #00b1b7;
    --color-primary-light: #00d4db;
    --color-primary-dark: #008a90;
    --color-primary-darker: #006a70;
    --color-primary-alpha-10: rgba(0, 177, 183, 0.1);
    --color-primary-alpha-15: rgba(0, 177, 183, 0.15);
    --color-primary-alpha-20: rgba(0, 177, 183, 0.2);
    --color-primary-alpha-30: rgba(0, 177, 183, 0.3);
    --color-primary-alpha-40: rgba(0, 177, 183, 0.4);
    
    /* Secondary Colors - Dark Blue */
    --color-secondary: #003449;
    --color-secondary-light: #0077a6;
    --color-secondary-dark: #002233;
    
    /* Accent Colors */
    --color-accent-purple: #667eea;
    --color-accent-purple-light: #764ba2;
    --color-accent-pink: #f093fb;
    --color-accent-cyan: #4facfe;
    --color-accent-gold: #ffd700;
    
    /* Semantic Colors - Success */
    --color-success: #28a745;
    --color-success-light: #34ce57;
    --color-success-dark: #218838;
    --color-success-bg: #d4edda;
    --color-success-border: #c3e6cb;
    --color-success-text: #155724;
    
    /* Semantic Colors - Danger */
    --color-danger: #dc3545;
    --color-danger-light: #e4606d;
    --color-danger-dark: #c82333;
    --color-danger-bg: #f8d7da;
    --color-danger-border: #f5c6cb;
    --color-danger-text: #721c24;
    
    /* Semantic Colors - Warning */
    --color-warning: #ffc107;
    --color-warning-light: #ffda6a;
    --color-warning-dark: #e0a800;
    --color-warning-bg: #fff3cd;
    --color-warning-border: #ffeaa7;
    --color-warning-text: #856404;
    
    /* Semantic Colors - Info */
    --color-info: #17a2b8;
    --color-info-light: #63d9ec;
    --color-info-dark: #138496;
    --color-info-bg: #d1ecf1;
    --color-info-border: #bee5eb;
    --color-info-text: #0c5460;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f5f7fa;
    --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;
    
    /* Text Colors */
    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #6c757d;
    --color-text-light: #999999;
    --color-text-inverse: #ffffff;
    
    /* Background Colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #f5f7fa;
    --color-bg-dark: #1a1a1a;
    
    /* Border Colors */
    --color-border-light: #e9ecef;
    --color-border-default: #dee2e6;
    --color-border-dark: #ced4da;
    --color-border-focus: var(--color-primary);
    
    /* ========================================
       GRADIENTS
       ======================================== */
    
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-primary-light: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-pink: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-cyan: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-danger: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    --gradient-success: linear-gradient(135deg, #28a745 0%, #218838 100%);
    --gradient-warning: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
    
    /* Background Gradients */
    --gradient-bg-main: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-bg-light: radial-gradient(circle at 10% 20%, #e0f7ff 0%, #f8fbff 50%, #eef4ff 100%);
    --gradient-bg-subtle: linear-gradient(180deg, #f7f9fc 0%, #eef2f7 100%);
    
    /* ========================================
       TYPOGRAPHY
       ======================================== */
    
    /* Font Families */
    --font-family-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-family-monospace: 'Courier New', Consolas, monospace;
    
    /* Font Sizes */
    --font-size-xs: 10px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 28px;
    --font-size-4xl: 32px;
    
    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;
    --line-height-loose: 1.8;
    
    /* Letter Spacing */
    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.05em;
    --letter-spacing-wider: 0.08em;
    
    /* ========================================
       SPACING
       ======================================== */
    
    --spacing-0: 0;
    --spacing-1: 4px;
    --spacing-2: 6px;
    --spacing-3: 8px;
    --spacing-4: 10px;
    --spacing-5: 12px;
    --spacing-6: 15px;
    --spacing-7: 16px;
    --spacing-8: 20px;
    --spacing-9: 24px;
    --spacing-10: 30px;
    --spacing-11: 40px;
    --spacing-12: 48px;
    
    /* ========================================
       BORDERS
       ======================================== */
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-default: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;
    --radius-2xl: 14px;
    --radius-3xl: 16px;
    --radius-full: 9999px;
    
    /* Border Widths */
    --border-width-default: 1px;
    --border-width-2: 2px;
    --border-width-3: 3px;
    
    /* ========================================
       SHADOWS
       ======================================== */
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-default: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --shadow-3xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    
    /* Colored Shadows */
    --shadow-primary: 0 4px 12px var(--color-primary-alpha-30);
    --shadow-primary-lg: 0 8px 20px var(--color-primary-alpha-30);
    --shadow-danger: 0 4px 12px rgba(220, 53, 69, 0.3);
    --shadow-success: 0 4px 12px rgba(40, 167, 69, 0.3);
    
    /* Focus Shadows */
    --shadow-focus: 0 0 0 3px var(--color-primary-alpha-15);
    --shadow-focus-danger: 0 0 0 3px rgba(220, 53, 69, 0.15);
    
    /* ========================================
       TRANSITIONS
       ======================================== */
    
    --transition-fast: 0.15s ease;
    --transition-default: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-slower: 0.4s ease;
    
    /* ========================================
       Z-INDEX LAYERS
       ======================================== */
    
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 900;
    --z-modal: 1000;
    --z-popover: 1100;
    --z-tooltip: 1200;
    
    /* ========================================
       CONTAINER WIDTHS
       ======================================== */
    
    --container-sm: 600px;
    --container-md: 900px;
    --container-lg: 1200px;
    --container-xl: 1400px;
    --container-2xl: 1600px;
}

/* ========================================
   DARK MODE SUPPORT (Future)
   ======================================== */

@media (prefers-color-scheme: dark) {
    :root.auto-dark {
        /* Override variables for dark mode if needed */
    }
}

/* Dark mode class for manual toggle */
:root.dark {
    --color-bg-primary: #1a1a2e;
    --color-bg-secondary: #16213e;
    --color-bg-tertiary: #0f3460;
    --color-text-primary: #eaeaea;
    --color-text-secondary: #b8b8b8;
    --color-border-default: #2a2a4a;
    --color-border-light: #3a3a5a;
}