/* ==========================================================================
   THEME DESIGN TOKENS (theme-tokens.css)
   Single Source of Truth for Visual Design & UI Theming.
   
   HOW AN AI (OR DEVELOPER) SHOULD MODIFY THE SITE DESIGN:
   1. To change colors/fonts/shapes globally: edit the variables in :root below.
   2. To create a new theme: add a new [data-theme="theme-name"] block.
   3. To switch themes: set data-theme="..." on the <html> tag or via SiteSetting.
   4. DO NOT write hardcoded hex colors (#xxx) in component CSS or HTML.
   ========================================================================== */

:root {
    /* Brand Identity */
    --color-primary: #ef394e;
    --color-primary-hover: #d32f42;
    --color-primary-active: #b92033;
    --color-primary-light: #fef2f4;
    --color-primary-subtle: #fee7eb;
    --color-primary-text: #ffffff;

    --color-secondary: #232933;
    --color-secondary-hover: #181d24;
    --color-secondary-text: #ffffff;

    --color-accent: #f37a24;
    --color-accent-hover: #d96312;
    --color-accent-light: #fff7ed;
    --color-accent-text: #ffffff;

    --color-sale: #ef394e;
    --color-sale-light: #fef2f4;

    /* Backgrounds & Surfaces */
    --color-bg-page: #f8f9fa;
    --color-bg-surface: #ffffff;
    --color-bg-surface-elevated: #ffffff;
    --color-bg-subtle: #f1f2f4;
    --color-bg-input: #f1f2f4;
    --color-bg-hover: #f5f6f8;

    /* Borders & Dividers */
    --color-border: #e0e0e2;
    --color-border-subtle: #f1f2f4;
    --color-border-focus: #ef394e;

    /* Typography & Content Colors */
    --color-text-main: #232933;
    --color-text-secondary: #62666d;
    --color-text-muted: #81858b;
    --color-text-disabled: #c0c2c5;
    --color-text-inverse: #ffffff;

    /* Semantic Feedback */
    --color-success: #10b981;
    --color-success-light: #ecfdf5;
    --color-success-text: #065f46;
    --color-warning: #f59e0b;
    --color-warning-light: #fffbeb;
    --color-warning-text: #92400e;
    --color-danger: #ef4444;
    --color-danger-light: #fef2f2;
    --color-danger-text: #991b1b;
    --color-info: #0284c7;
    --color-info-light: #f0f9ff;
    --color-info-text: #075985;

    /* Typography Hierarchy */
    --font-sans: 'Vazirmatn', IRANSans, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Vazirmatn', IRANSans, system-ui, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing Scale (4px baseline) */
    --space-2xs: 4px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Border Radius Scale */
    --radius-none: 0px;
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-pill: 9999px;
    --radius-circle: 50%;

    /* Elevation / Shadows */
    --shadow-none: none;
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.09);
    --shadow-xl: 0 20px 32px rgba(0, 0, 0, 0.12);

    /* Transitions & Motion */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout Geometry */
    --container-max-w: 1440px;
    --home-max-w: 1200px;
    --header-height: 120px;
    --z-dropdown: 800;
    --z-overlay: 900;
    --z-modal: 1000;
    --z-toast: 1100;

    /* Component Abstractions */
    --btn-primary-bg: var(--color-primary);
    --btn-primary-text: var(--color-primary-text);
    --btn-primary-hover: var(--color-primary-hover);
    --btn-primary-radius: var(--radius-sm);

    --card-bg: var(--color-bg-surface);
    --card-border: var(--color-border);
    --card-radius: var(--radius-md);
    --card-shadow: var(--shadow-sm);
    --card-shadow-hover: var(--shadow-md);

    /* ======================================================================
       BACKWARD COMPATIBILITY ALIASES
       Ensures older stylesheets (digikala-base, digikala-shop, home)
       seamlessly update when tokens change.
       ====================================================================== */
    --dk-red: var(--color-primary);
    --dk-red-hover: var(--color-primary-hover);
    --dk-surface: var(--color-bg-surface);
    --dk-gray-50: var(--color-bg-page);
    --dk-gray-100: var(--color-bg-subtle);
    --dk-gray-200: var(--color-border);
    --dk-gray-300: #c0c2c5;
    --dk-gray-400: #a1a3a8;
    --dk-gray-500: var(--color-text-muted);
    --dk-gray-600: var(--color-text-secondary);
    --dk-gray-700: #424750;
    --dk-gray-800: var(--color-secondary);
    --dk-gray-900: #080a0b;
    --dk-border: var(--color-border);
    --dk-text: var(--color-text-main);
    --dk-text-secondary: var(--color-text-secondary);
    --font-vazir: var(--font-sans);
}

/* ==========================================================================
   THEME PRESET: MINIMAL (مینی‌مال شیک / استایل اپل و ورسل)
   Clean, monochrome, slate accents, refined tight border-radii.
   ========================================================================== */
[data-theme="minimal"] {
    --color-primary: #18181b;
    --color-primary-hover: #09090b;
    --color-primary-active: #000000;
    --color-primary-light: #f4f4f5;
    --color-primary-subtle: #e4e4e7;
    --color-primary-text: #ffffff;

    --color-secondary: #52525b;
    --color-secondary-hover: #3f3f46;
    --color-secondary-text: #ffffff;

    --color-accent: #27272a;
    --color-accent-hover: #18181b;
    --color-accent-light: #f4f4f5;
    --color-accent-text: #ffffff;

    --color-sale: #09090b;
    --color-sale-light: #f4f4f5;

    --color-bg-page: #fafafa;
    --color-bg-surface: #ffffff;
    --color-bg-surface-elevated: #ffffff;
    --color-bg-subtle: #f4f4f5;
    --color-bg-input: #f4f4f5;
    --color-bg-hover: #f4f4f5;

    --color-border: #e4e4e7;
    --color-border-subtle: #f4f4f5;
    --color-border-focus: #18181b;

    --color-text-main: #09090b;
    --color-text-secondary: #52525b;
    --color-text-muted: #71717a;

    --radius-xs: 3px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 14px;
    --radius-2xl: 18px;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.08);

    --card-radius: var(--radius-md);
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    --card-shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.07);
}

/* ==========================================================================
   THEME PRESET: EMERALD (سبز و زمردی لوکس / بوتیک و ارگانیک)
   Rich forest green, warm champagne & gold accents, soothing and elegant.
   ========================================================================== */
[data-theme="emerald"] {
    --color-primary: #065f46;
    --color-primary-hover: #047857;
    --color-primary-active: #064e3b;
    --color-primary-light: #ecfdf5;
    --color-primary-subtle: #d1fae5;
    --color-primary-text: #ffffff;

    --color-secondary: #134e4a;
    --color-secondary-hover: #042f2e;
    --color-secondary-text: #ffffff;

    --color-accent: #b45309;
    --color-accent-hover: #92400e;
    --color-accent-light: #fffbeb;
    --color-accent-text: #ffffff;

    --color-sale: #b45309;
    --color-sale-light: #fffbeb;

    --color-bg-page: #f7faf8;
    --color-bg-surface: #ffffff;
    --color-bg-surface-elevated: #ffffff;
    --color-bg-subtle: #ecfdf5;
    --color-bg-input: #f0fdf4;
    --color-bg-hover: #ecfdf5;

    --color-border: #d1fae5;
    --color-border-subtle: #e6f7ef;
    --color-border-focus: #059669;

    --color-text-main: #064e3b;
    --color-text-secondary: #047857;
    --color-text-muted: #6ee7b7;

    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    --shadow-sm: 0 4px 10px rgba(6, 95, 70, 0.04);
    --shadow-md: 0 8px 24px rgba(6, 95, 70, 0.08);
    --shadow-lg: 0 16px 40px rgba(6, 95, 70, 0.12);
    
    --card-shadow: 0 8px 20px rgba(6, 95, 70, 0.04);
    --card-shadow-hover: 0 16px 32px rgba(6, 95, 70, 0.1);
}

/* ==========================================================================
   THEME PRESET: ROYAL BLUE (آبی مدرن تکنولوژی / استایل استرایپ)
   Modern high-tech blue, clean slate neutrals, vibrant corporate vibe.
   ========================================================================== */
[data-theme="royal-blue"] {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-active: #1e40af;
    --color-primary-light: #eff6ff;
    --color-primary-subtle: #dbeafe;
    --color-primary-text: #ffffff;

    --color-secondary: #0f172a;
    --color-secondary-hover: #1e293b;
    --color-secondary-text: #ffffff;

    --color-accent: #0284c7;
    --color-accent-hover: #0369a1;
    --color-accent-light: #f0f9ff;
    --color-accent-text: #ffffff;

    --color-sale: #2563eb;
    --color-sale-light: #eff6ff;

    --color-bg-page: #f8fafc;
    --color-bg-surface: #ffffff;
    --color-bg-surface-elevated: #ffffff;
    --color-bg-subtle: #f1f5f9;
    --color-bg-input: #f1f5f9;
    --color-bg-hover: #f1f5f9;

    --color-border: #e2e8f0;
    --color-border-subtle: #f1f5f9;
    --color-border-focus: #2563eb;

    --color-text-main: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;

    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    --shadow-sm: 0 1px 2px rgba(37, 99, 235, 0.05);
    --shadow-md: 0 4px 12px rgba(37, 99, 235, 0.1);
    --shadow-lg: 0 10px 24px rgba(37, 99, 235, 0.15);
    
    --card-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
    --card-shadow-hover: 0 12px 24px rgba(37, 99, 235, 0.1);
}

/* ==========================================================================
   THEME PRESET: SUNSET (مرجانی و غروب آفتاب / پرانرژی و گرم)
   Vibrant warm coral, rich terracotta, amber accents.
   ========================================================================== */
[data-theme="sunset"] {
    --color-primary: #ea580c;
    --color-primary-hover: #c2410c;
    --color-primary-active: #9a3412;
    --color-primary-light: #fff7ed;
    --color-primary-subtle: #ffedd5;
    --color-primary-text: #ffffff;

    --color-secondary: #431407;
    --color-secondary-hover: #290803;
    --color-secondary-text: #ffffff;

    --color-accent: #d97706;
    --color-accent-hover: #b45309;
    --color-accent-light: #fffbeb;
    --color-accent-text: #ffffff;

    --color-sale: #ea580c;
    --color-sale-light: #fff7ed;

    --color-bg-page: #fffbf7;
    --color-bg-surface: #ffffff;
    --color-bg-surface-elevated: #ffffff;
    --color-bg-subtle: #ffedd5;
    --color-bg-input: #fff7ed;
    --color-bg-hover: #ffedd5;

    --color-border: #fed7aa;
    --color-border-subtle: #ffedd5;
    --color-border-focus: #ea580c;

    --color-text-main: #431407;
    --color-text-secondary: #9a3412;
    --color-text-muted: #c2410c;

    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --shadow-sm: 4px 4px 0 rgba(234, 88, 12, 0.1);
    --shadow-md: 6px 6px 0 rgba(234, 88, 12, 0.15);
    --shadow-lg: 8px 8px 0 rgba(234, 88, 12, 0.2);
    
    --card-shadow: 4px 4px 0 rgba(234, 88, 12, 0.05);
    --card-shadow-hover: 8px 8px 0 rgba(234, 88, 12, 0.15);
}

/* ==========================================================================
   THEME PRESET: DARK MODE (حالت شب مدرن / دارک مود لوکس)
   Deep dark slate, glowing indigo primary, crisp high-contrast text.
   ========================================================================== */
[data-theme="dark"] {
    color-scheme: dark;
    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-primary-active: #4f46e5;
    --color-primary-light: #1e1b4b;
    --color-primary-subtle: #312e81;
    --color-primary-text: #ffffff;

    --color-secondary: #f1f5f9;
    --color-secondary-hover: #ffffff;
    --color-secondary-text: #0f172a;

    --color-accent: #38bdf8;
    --color-accent-hover: #7dd3fc;
    --color-accent-light: #082f49;
    --color-accent-text: #ffffff;

    --color-sale: #f43f5e;
    --color-sale-light: #4c0519;

    --color-bg-page: #0b0f19;
    --color-bg-surface: #111827;
    --color-bg-surface-elevated: #1f2937;
    --color-bg-subtle: #1f2937;
    --color-bg-input: #1f2937;
    --color-bg-hover: #374151;

    --color-border: #1f2937;
    --color-border-subtle: #162032;
    --color-border-focus: #6366f1;

    --color-text-main: #f9fafb;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #9ca3af;
    --color-text-disabled: #4b5563;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.6);
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.7);

    --card-bg: var(--color-bg-surface);
    --card-border: var(--color-border);

    /* Explicit Dark Theme Mappings for Legacy Base Styles */
    --dk-red: var(--color-primary);
    --dk-red-hover: var(--color-primary-hover);
    --dk-surface: var(--color-bg-surface);
    --dk-gray-50: var(--color-bg-page);
    --dk-gray-100: var(--color-bg-subtle);
    --dk-gray-200: var(--color-border);
    --dk-gray-500: var(--color-text-muted);
    --dk-gray-600: var(--color-text-secondary);
    --dk-gray-700: var(--color-text-secondary);
    --dk-gray-800: var(--color-text-main);
    --dk-gray-900: var(--color-text-main);
    --dk-border: var(--color-border);
    --dk-text: var(--color-text-main);
    --dk-text-secondary: var(--color-text-secondary);
}