/**
 * CSS Variables - Sağlık Değerlendirme Sistemi
 * © 2025 xler.com.tr
 */

:root {
    /* Primary Colors */
    --primary: #667eea;
    --primary-dark: #5568d3;
    --primary-light: #8b9dff;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Secondary Colors */
    --secondary: #f093fb;
    --secondary-dark: #d77fe3;
    --secondary-light: #faa9ff;
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    
    /* Accent Colors */
    --accent-blue: #4facfe;
    --accent-blue-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --accent-green: #43e97b;
    --accent-green-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --accent-orange: #fa709a;
    --accent-orange-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --black: #000000;
    
    /* Status Colors */
    --success: #28a745;
    --success-light: #d4edda;
    --info: #17a2b8;
    --info-light: #d1ecf1;
    --warning: #ffc107;
    --warning-light: #fff3cd;
    --danger: #dc3545;
    --danger-light: #f8d7da;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    --shadow-gradient: 0 10px 30px rgba(102, 126, 234, 0.3);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Container */
    --container-max-width: 1400px;
    --container-padding: 2rem 1rem;
    
    /* Breakpoints (for reference in media queries) */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
}

/* Dark Mode Support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --gray-50: #212529;
        --gray-100: #343a40;
        --gray-200: #495057;
        --gray-900: #f8f9fa;
    }
}