/* ==========================================
   GLOBAL CSS VARIABLES
   Centralized color scheme and design tokens
   ========================================== */

:root {
    /* Primary Brand Colors */
    --primary-blue: #0b2baa;
    --primary-blue-dark: #0920a0;
    --primary-blue-darker: #0a237a;
    --primary-teal: #0df8de;
    --primary-orange: #febd69;
    --primary-orange-hover: #e5a855;
    --primary-orange-dark: #e89610;

    /* Secondary Colors */
    --secondary-cyan: #0df8de;
    --secondary-green: #28a745;
    --secondary-green-light: #66BB6A;
    --secondary-red: #e74c3c;
    --secondary-red-dark: #c0392b;

    /* Text Colors */
    --text-dark: #333;
    --text-gray: #666;
    --text-light-gray: #999;
    --text-muted: #6c757d;
    --text-white: #ffffff;

    /* Background Colors */
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --bg-dark: #131921;
    --bg-dark-blue: #171e27;
    --bg-darker-blue: #0f172a;

    /* Header/Footer Colors */
    --header-bg: #171e27;
    --top-header-bg: #131921;
    --footer-bg: #0b2baa;

    /* Border Colors */
    --border-light: #e9ecef;
    --border-gray: #ddd;
    --border-dark: #dee2e6;

    /* Shadow Values */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 15px 35px rgba(0, 0, 0, 0.2);

    /* Sidebar */
    --sidebar-width: 250px;

    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-xxl: 40px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 15px;
    --radius-round: 50%;

    /* Typography */
    --font-family: 'Poppins', sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 15px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    --font-size-4xl: 28px;
    --font-size-5xl: 32px;

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

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-Index Layers */
    --z-dropdown: 100;
    --z-sticky: 1000;
    --z-fixed: 1001;
    --z-modal-backdrop: 9999;
    --z-modal: 10000;
    --z-popover: 10001;
    --z-tooltip: 10002;

    /* Status Colors */
    --status-pending: #ffc107;
    --status-pending-bg: #fff3cd;
    --status-confirmed: #0d6efd;
    --status-confirmed-bg: #cfe2ff;
    --status-completed: #28a745;
    --status-completed-bg: #d1ecf1;
    --status-cancelled: #dc3545;
    --status-cancelled-bg: #f8d7da;

    /* Gradient Backgrounds */
    --gradient-primary: linear-gradient(135deg, #0b2baa 0%, #0b2baa 100%);
    --gradient-secondary: linear-gradient(135deg, #febd69 0%, #febd69 100%);
    --gradient-success: linear-gradient(135deg, #27ae60, #2ecc71);
    --gradient-danger: linear-gradient(135deg, #e74c3c, #c0392b);
    --gradient-info: linear-gradient(135deg, #3498db, #2980b9);
    --gradient-stats-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-stats-pink: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-stats-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-stats-green: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

/* ==========================================
   DARK MODE VARIABLES
   ========================================== */
body.dark-mode {
    /* Override colors for dark mode */
    --bg-white: #1f2937;
    --bg-light: #0f172a;
    --bg-gray: #334155;
    --text-dark: #f3f4f6;
    --text-gray: #9ca3af;
    --border-light: #334155;
}