/* ============================================
   AADITYA KIRANA STORE - CSS VARIABLES
   Premium Luxury E-Commerce Design System
   ============================================ */

:root {
    /* ============================================
       CORE COLORS - BLACK + GOLD (Home/Default)
       ============================================ */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #141414;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-card: rgba(20, 20, 20, 0.8);
    
    --color-gold-primary: #C9A227;
    --color-gold-light: #FFD700;
    --color-gold-dark: #B8941F;
    --color-gold-muted: rgba(201, 162, 39, 0.15);
    
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.5);
    
    --color-border: rgba(201, 162, 39, 0.2);
    --color-border-hover: rgba(201, 162, 39, 0.4);
    
    /* ============================================
       EMERALD + GOLD (Products Page)
       ============================================ */
    --color-emerald-primary: #10B981;
    --color-emerald-dark: #059669;
    --color-emerald-light: #34D399;
    --color-emerald-muted: rgba(16, 185, 129, 0.15);
    
    /* ============================================
       NAVY + SILVER (About Page)
       ============================================ */
    --color-navy-primary: #1e3a5f;
    --color-navy-dark: #0f172a;
    --color-navy-light: #334155;
    --color-silver-primary: #C0C0C0;
    --color-silver-light: #E8E8E8;
    
    /* ============================================
       BURGUNDY + GOLD (Contact Page)
       ============================================ */
    --color-burgundy-primary: #722F37;
    --color-burgundy-dark: #4a1c24;
    --color-burgundy-light: #8B3A44;
    
    /* ============================================
       GLASSMORPHISM
       ============================================ */
    --glass-bg: rgba(20, 20, 20, 0.6);
    --glass-bg-light: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(201, 162, 39, 0.15);
    --glass-border-light: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);
    --glass-blur-heavy: blur(40px);
    
    /* ============================================
       TYPOGRAPHY
       ============================================ */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.65vw, 1.375rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.5rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.75vw, 3.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 5rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 8rem);
    
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    --leading-tight: 1.1;
    --leading-snug: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;
    
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;
    
    /* ============================================
       SPACING
       ============================================ */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* ============================================
       LAYOUT
       ============================================ */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* ============================================
       SHADOWS
       ============================================ */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-gold: 0 0 40px rgba(201, 162, 39, 0.3);
    --shadow-gold-lg: 0 0 60px rgba(201, 162, 39, 0.4);
    
    /* ============================================
       TRANSITIONS
       ============================================ */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-slower: 500ms ease;
    
    /* ============================================
       Z-INDEX
       ============================================ */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;
}

/* ============================================
   THEME OVERRIDES
   ============================================ */

/* Products Page - Emerald Theme */
[data-theme="emerald"] {
    --color-bg-primary: #064e3b;
    --color-bg-secondary: #065f46;
    --color-bg-tertiary: #047857;
    --color-gold-primary: #10B981;
    --color-gold-light: #34D399;
    --color-gold-dark: #059669;
    --color-gold-muted: rgba(16, 185, 129, 0.15);
    --glass-bg: rgba(6, 78, 59, 0.8);
    --glass-border: rgba(16, 185, 129, 0.2);
}

/* About Page - Navy Theme */
[data-theme="navy"] {
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-gold-primary: #C0C0C0;
    --color-gold-light: #E8E8E8;
    --color-gold-dark: #A0A0A0;
    --color-gold-muted: rgba(192, 192, 192, 0.15);
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(192, 192, 192, 0.2);
}

/* Contact Page - Burgundy Theme */
[data-theme="burgundy"] {
    --color-bg-primary: #2d1a1d;
    --color-bg-secondary: #3d2226;
    --color-bg-tertiary: #4a2c32;
    --color-gold-primary: #C9A227;
    --color-gold-light: #FFD700;
    --color-gold-dark: #B8941F;
    --glass-bg: rgba(45, 26, 29, 0.8);
    --glass-border: rgba(201, 162, 39, 0.2);
}

/* ============================================
   BASE STYLES
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--color-gold-primary);
    color: var(--color-bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gold-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-light);
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-gold-primary);
    outline-offset: 2px;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

/* Buttons */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Inputs */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-8);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-12);
    }
}