/**
 * CSS Custom Properties (Variables)
 * OwnTheOrder Design System
 *
 * Alle Farben, Abstände, Schriftgrößen zentral definiert
 * Verwendung: var(--color-primary)
 */

:root {
    /* === Brand Colors - Modern Blue Design === */
    --color-primary: #4A90E2;
    --color-primary-dark: #3A87AD;
    --color-primary-light: #6BA3E8;

    --color-secondary: #5A9FD4;
    --color-secondary-dark: #4A8FC4;
    --color-secondary-light: #7AB3E4;

    --color-accent: #8B5CF6;
    --color-accent-dark: #7C3AED;
    --color-accent-light: #A78BFA;

    /* === Status Colors === */
    --color-success: #5CB85C;
    --color-success-dark: #4CAE4C;
    --color-success-light: #6BC86B;

    --color-warning: #F0AD4E;
    --color-warning-dark: #E09D3E;
    --color-warning-light: #F5BD5E;

    --color-danger: #D9534F;
    --color-danger-dark: #C9433F;
    --color-danger-light: #E9635F;

    --color-info: #4A90E2;
    --color-info-dark: #3A87AD;
    --color-info-light: #6BA3E8;

    --color-sponsored: #8e44ad;
    --color-sponsored-dark: #6c3483;
    --color-sponsored-light: #a569bd;

    /* === Grays === */
    --color-white: #ffffff;
    --color-black: #000000;

    --color-gray-50: #f8f9fa;
    --color-gray-100: #e9ecef;
    --color-gray-200: #dee2e6;
    --color-gray-300: #ced4da;
    --color-gray-400: #adb5bd;
    --color-gray-500: #6c757d;
    --color-gray-600: #495057;
    --color-gray-700: #343a40;
    --color-gray-800: #212529;
    --color-gray-900: #0f172a;

    /* === Background Colors === */
    --bg-primary: var(--color-white);
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #F0F4F8;
    --bg-dark: var(--color-gray-900);
    --bg-overlay: rgba(0, 0, 0, 0.5);
    --bg-glass: rgba(255, 255, 255, 0.9);
    --bg-glass-dark: rgba(255, 255, 255, 0.7);
    --bg-header: var(--theme-primary, #4A90E2);
    --bg-table-header: #F7F7F7;
    --bg-gradient-1: linear-gradient(135deg, var(--theme-primary, #4A90E2) 0%, var(--theme-secondary, #5A9FD4) 100%);
    --bg-gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --bg-gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

    /* === Text Colors === */
    --text-primary: #555555;
    --text-secondary: #888888;
    --text-muted: #aaaaaa;
    --text-light: #aaaaaa;
    --text-white: var(--color-white);

    /* === Border Colors === */
    --border-light: #e0e0e0;
    --border-medium: #cccccc;
    --border-dark: #999999;

    /* === Spacing === */
    --spacing-xs: 0.25rem;    /* 4px */
    --spacing-sm: 0.5rem;     /* 8px */
    --spacing-md: 1rem;       /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-2xl: 3rem;      /* 48px */
    --spacing-3xl: 4rem;      /* 64px */

    /* === Font Sizes === */
    --font-size-xs: 0.75rem;  /* 12px */
    --font-size-sm: 0.875rem; /* 14px */
    --font-size-md: 1rem;     /* 16px */
    --font-size-lg: 1.125rem; /* 18px */
    --font-size-xl: 1.25rem;  /* 20px */
    --font-size-2xl: 1.5rem;  /* 24px */
    --font-size-3xl: 1.875rem;/* 30px */
    --font-size-4xl: 2.25rem; /* 36px */
    --font-size-5xl: 3rem;    /* 48px */

    /* === Font Weights === */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    /* === Line Heights === */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* === Border Radius - Moderate Rounded === */
    --radius-sm: 0.375rem;    /* 6px - Kleine Elemente, Inputs */
    --radius-md: 0.5rem;      /* 8px - Standard Buttons, Pagination */
    --radius-lg: 0.75rem;     /* 12px - Cards, Panels */
    --radius-xl: 1rem;        /* 16px - Große Cards */
    --radius-2xl: 1.5rem;     /* 24px - Modals */
    --radius-full: 9999px;    /* Vollständig rund - Avatare, Badges */

    /* === Shadows (Modern + Colored) === */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
    --shadow-2xl: 0 30px 80px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 15px 50px rgba(255, 107, 107, 0.15);
    --shadow-primary: 0 10px 30px rgba(255, 107, 107, 0.2);
    --shadow-secondary: 0 10px 30px rgba(78, 205, 196, 0.2);

    /* === Transitions === */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* === Z-Index Layers === */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1050;
    --z-modal: 1055;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* === Container Widths === */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;

    /* === Grid Columns (für Restaurant Cards) === */
    --grid-cols-1: 1;
    --grid-cols-2: 2;
    --grid-cols-3: 3;
    --grid-cols-4: 4;

    /* === Yemeksepeti Specific Colors === */
    --yeclub-color: #8e44ad;
    --discount-badge-bg: #e74c3c;
    --discount-badge-text: #ffffff;
    --express-badge-bg: #27ae60;
    --express-badge-text: #ffffff;
    --rating-star-color: #f39c12;
}

/* === Dark Mode Support (optional) === */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: var(--color-gray-900);
        --bg-secondary: var(--color-gray-800);
        --text-primary: var(--color-gray-50);
        --text-secondary: var(--color-gray-300);
    }
}