/* CSS Custom Properties for Consistent Theming */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root {
    /* Colors */
    --primary-color: #1e90ff;
    --primary-hover: #1873cc;
    --secondary-color: #9b59b6;
    --secondary-hover: #8e44ad;
    --success-color: #27ae60;
    --success-hover: #229954;
    --danger-color: #e74c3c;
    --danger-hover: #c0392b;
    --warning-color: #f39c12;
    --warning-hover: #e67e22;
    --info-color: #3498db;
    --info-hover: #2980b9;
    
    /* Text Colors */
    --text-primary: #000000;
    --text-secondary: #374151;
    --text-muted: #6b7280;
    --text-light: #95a5a6;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-light: #f8f9fa;
    --bg-dark: #2c3e50;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Border Colors */
    --border-primary: #e5e7eb;
    --border-secondary: #e0e0e0;
    --border-light: #e9ecef;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
    
    /* Typography */
    --font-family-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-family-secondary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 2.5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-modal: 1001;
    --z-notification: 10000;
    --z-navbar: 999;
}