/* ============================================
   CSS VARIABLES & THEME SYSTEM
   /tema/css/core/variables.css
============================================ */
:root {
    /* Light Theme Colors */
    --bg-primary: #f8fafc;
    --bg-primary-alt: #f1f3f5;
    --bg-secondary: #ffffff;
    --bg-gradient-start: #2563eb;
    --bg-gradient-end: #1e40af;
    --bg-logo-zemin: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-tertiary: #6c7a8b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: rgba(148, 163, 184, 0.2);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s ease-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* antiSTRAVA'ya özel - ana sayfadaki */
    --as-bg: #ffffff;
    --as-bg-alt: #f1f3f5;
    --as-text: #0f172a;
    --as-text-soft: #64748b;
    --as-border: rgba(0,0,0,0.08);
    --as-accent: #ff3b30;
}

[data-theme="dark"] {
    /* Dark Theme Colors */
    --bg-primary: #0f172a;
    --bg-primary-alt: #1e293b;
    --bg-secondary: #1e293b;
    --bg-secondary-alt: #94979c;
    --bg-gradient-start: #3b82f6;
    --bg-gradient-end: #2563eb;
    --bg-logo-zemin: #e8eaf0;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --border: rgba(148, 163, 184, 0.1);
    
    /* Shadows - Darker */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.6);
    
    /* Glass Effect - Dark */
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(148, 163, 184, 0.1);

    /* antiSTRAVA'ya özel - ana sayfadaki */
    --as-bg: #1e293b;
    --as-bg-alt: #0f172a;
    --as-text: #f1f5f9;
    --as-text-soft: #94a3b8;
    --as-border: rgba(255,255,255,0.08);
    --as-accent: #ff453a;
}