/* =============================================================================
   LUXE MARKETPLACE - Design System
   Refined luxury meets Scandinavian warmth
   ============================================================================= */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Outfit:wght@300;400;500;600;700&display=swap');

/* =============================================================================
   CSS Custom Properties - Design Tokens
   ============================================================================= */
:root {
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Outfit', monospace;

    /* Font Sizes - Fluid Scale */
    --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
    --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
    --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
    --text-lg: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-xl: clamp(1.15rem, 1.05rem + 0.5vw, 1.25rem);
    --text-2xl: clamp(1.4rem, 1.2rem + 1vw, 1.5rem);
    --text-3xl: clamp(1.75rem, 1.4rem + 1.75vw, 1.875rem);
    --text-4xl: clamp(2rem, 1.5rem + 2.5vw, 2.25rem);
    --text-5xl: clamp(2.5rem, 1.75rem + 3.75vw, 3rem);
    --text-6xl: clamp(3rem, 2rem + 5vw, 3.75rem);
    --text-7xl: clamp(3.5rem, 2.25rem + 6.25vw, 4.5rem);
    --text-hero: clamp(3.5rem, 2rem + 7.5vw, 6rem);

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.65;
    --leading-loose: 1.8;

    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    --tracking-ultra: 0.2em;

    /* Default Theme Colors (Warm Luxury) */
    --color-bg-primary: #FAF8F5;
    --color-bg-secondary: #FFFFFF;
    --color-bg-tertiary: #F5F2ED;
    --color-bg-elevated: #FFFFFF;
    --color-bg-overlay: rgba(26, 26, 26, 0.6);

    --color-text-primary: #1A1A1A;
    --color-text-secondary: #6B6B6B;
    --color-text-tertiary: #9A9A9A;
    --color-text-inverse: #FFFFFF;
    --color-text-muted: #B5B5B5;

    --color-border-primary: #E8E4DF;
    --color-border-secondary: #D4CFC7;
    --color-border-subtle: #F0EDE8;

    --color-accent: #C4724C;
    --color-accent-hover: #A85D3A;
    --color-accent-light: rgba(196, 114, 76, 0.1);
    --color-accent-medium: rgba(196, 114, 76, 0.2);

    /* Semantic Colors */
    --color-success: #2D8A5F;
    --color-success-light: rgba(45, 138, 95, 0.1);
    --color-warning: #D4A84B;
    --color-warning-light: rgba(212, 168, 75, 0.1);
    --color-error: #C44B4B;
    --color-error-light: rgba(196, 75, 75, 0.1);
    --color-info: #4B7BC4;
    --color-info-light: rgba(75, 123, 196, 0.1);

    /* Sale/Promo Colors */
    --color-sale: #D64545;
    --color-sale-dark: #B93636;
    --color-sale-light: rgba(214, 69, 69, 0.1);
    --color-gold: #C9A962;
    --color-gold-light: rgba(201, 169, 98, 0.15);

    /* Spacing Scale */
    --space-0: 0;
    --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;
    --space-40: 10rem;
    --space-48: 12rem;
    --space-64: 16rem;

    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.12), 0 12px 24px rgba(0, 0, 0, 0.06);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 24px rgba(196, 114, 76, 0.3);
    --shadow-glow-sale: 0 0 24px rgba(214, 69, 69, 0.3);
    --shadow-glow-gold: 0 0 24px rgba(201, 169, 98, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-slower: 600ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Z-Index Scale */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-drawer: 400;
    --z-modal-backdrop: 500;
    --z-modal: 600;
    --z-popover: 700;
    --z-tooltip: 800;
    --z-toast: 900;
    --z-max: 9999;

    /* Container Widths */
    --container-xs: 20rem;
    --container-sm: 24rem;
    --container-md: 28rem;
    --container-lg: 32rem;
    --container-xl: 36rem;
    --container-2xl: 42rem;
    --container-3xl: 48rem;
    --container-4xl: 56rem;
    --container-5xl: 64rem;
    --container-6xl: 72rem;
    --container-7xl: 80rem;
    --container-full: 90rem;

    /* Grid */
    --grid-cols: 12;
    --grid-gap: var(--space-6);
}

/* =============================================================================
   Sale Mode Theme Override
   ============================================================================= */
[data-theme="sale"] {
    --color-accent: var(--color-sale);
    --color-accent-hover: var(--color-sale-dark);
    --color-accent-light: var(--color-sale-light);
    --shadow-glow: var(--shadow-glow-sale);
}

/* =============================================================================
   Black Friday Theme Override
   ============================================================================= */
[data-theme="black-friday"] {
    --color-bg-primary: #0A0A0A;
    --color-bg-secondary: #141414;
    --color-bg-tertiary: #1A1A1A;
    --color-bg-elevated: #1E1E1E;
    --color-bg-overlay: rgba(0, 0, 0, 0.8);

    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B5B5B5;
    --color-text-tertiary: #808080;
    --color-text-inverse: #0A0A0A;

    --color-border-primary: #2A2A2A;
    --color-border-secondary: #3A3A3A;
    --color-border-subtle: #1E1E1E;

    --color-accent: #D4AF37;
    --color-accent-hover: #E5C04A;
    --color-accent-light: rgba(212, 175, 55, 0.15);
    --color-accent-medium: rgba(212, 175, 55, 0.25);

    --shadow-glow: var(--shadow-glow-gold);
}

/* =============================================================================
   CSS Reset & Base Styles
   ============================================================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    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-color: var(--color-accent-light);
    color: var(--color-text-primary);
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

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

a:hover {
    color: var(--color-accent);
}

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

/* Lists */
ul, ol {
    list-style: none;
}

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

button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Form Elements */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: transparent;
    border: none;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-tertiary);
}

/* Tables */
table {
    border-collapse: collapse;
    width: 100%;
}

/* =============================================================================
   Typography Utilities
   ============================================================================= */
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }
.text-7xl { font-size: var(--text-7xl); }
.text-hero { font-size: var(--text-hero); }

.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.leading-none { line-height: var(--leading-none); }
.leading-tight { line-height: var(--leading-tight); }
.leading-snug { line-height: var(--leading-snug); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }
.leading-loose { line-height: var(--leading-loose); }

.tracking-tighter { letter-spacing: var(--tracking-tighter); }
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }
.tracking-ultra { letter-spacing: var(--tracking-ultra); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.italic { font-style: italic; }

/* Heading Styles */
h1, .h1 {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: var(--font-light);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

h2, .h2 {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--font-light);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

h3, .h3 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-normal);
    line-height: var(--leading-snug);
}

h4, .h4 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-normal);
    line-height: var(--leading-snug);
}

h5, .h5 {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-snug);
}

h6, .h6 {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    line-height: var(--leading-snug);
}

/* Body Text */
.body-lg {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
}

.body-sm {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

/* Label/Caption */
.label {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

.caption {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* Price Display */
.price {
    font-family: var(--font-mono);
    font-weight: var(--font-semibold);
    font-variant-numeric: tabular-nums;
}

.price-original {
    text-decoration: line-through;
    color: var(--color-text-tertiary);
    font-weight: var(--font-normal);
}

.price-sale {
    color: var(--color-sale);
}

/* =============================================================================
   Layout Utilities
   ============================================================================= */
.container {
    width: 100%;
    max-width: var(--container-full);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

@media (min-width: 768px) {
    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}

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

.container-narrow {
    max-width: var(--container-4xl);
}

.container-wide {
    max-width: 100%;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

/* Flexbox */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.items-baseline { align-items: baseline; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-full { grid-column: 1 / -1; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { inset: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }

/* Width/Height */
.w-full { width: 100%; }
.w-screen { width: 100vw; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.h-auto { height: auto; }
.min-h-screen { min-height: 100vh; }
.max-w-full { max-width: 100%; }

/* Aspect Ratios */
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-portrait { aspect-ratio: 3 / 4; }
.aspect-landscape { aspect-ratio: 4 / 3; }

/* =============================================================================
   Spacing Utilities
   ============================================================================= */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-20 { padding-top: var(--space-20); padding-bottom: var(--space-20); }
.py-24 { padding-top: var(--space-24); padding-bottom: var(--space-24); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

/* Section Spacing */
.section { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.section-lg { padding-top: var(--space-24); padding-bottom: var(--space-24); }
.section-xl { padding-top: var(--space-32); padding-bottom: var(--space-32); }

@media (min-width: 768px) {
    .section { padding-top: var(--space-20); padding-bottom: var(--space-20); }
    .section-lg { padding-top: var(--space-32); padding-bottom: var(--space-32); }
    .section-xl { padding-top: var(--space-40); padding-bottom: var(--space-40); }
}

/* =============================================================================
   Color Utilities
   ============================================================================= */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-muted { color: var(--color-text-muted); }
.text-inverse { color: var(--color-text-inverse); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-sale { color: var(--color-sale); }
.text-gold { color: var(--color-gold); }

.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }
.bg-elevated { background-color: var(--color-bg-elevated); }
.bg-accent { background-color: var(--color-accent); }
.bg-accent-light { background-color: var(--color-accent-light); }
.bg-success { background-color: var(--color-success); }
.bg-success-light { background-color: var(--color-success-light); }
.bg-error { background-color: var(--color-error); }
.bg-error-light { background-color: var(--color-error-light); }
.bg-sale { background-color: var(--color-sale); }
.bg-sale-light { background-color: var(--color-sale-light); }
.bg-gold { background-color: var(--color-gold); }
.bg-gold-light { background-color: var(--color-gold-light); }

/* =============================================================================
   Border Utilities
   ============================================================================= */
.border { border: 1px solid var(--color-border-primary); }
.border-2 { border: 2px solid var(--color-border-primary); }
.border-t { border-top: 1px solid var(--color-border-primary); }
.border-b { border-bottom: 1px solid var(--color-border-primary); }
.border-l { border-left: 1px solid var(--color-border-primary); }
.border-r { border-right: 1px solid var(--color-border-primary); }
.border-none { border: none; }
.border-subtle { border-color: var(--color-border-subtle); }
.border-accent { border-color: var(--color-accent); }

.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-md); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-3xl { border-radius: var(--radius-3xl); }
.rounded-full { border-radius: var(--radius-full); }

/* =============================================================================
   Shadow Utilities
   ============================================================================= */
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.shadow-inner { box-shadow: var(--shadow-inner); }
.shadow-glow { box-shadow: var(--shadow-glow); }
.shadow-none { box-shadow: none; }

/* =============================================================================
   Transition Utilities
   ============================================================================= */
.transition { transition: all var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }
.transition-colors { transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast); }
.transition-transform { transition: transform var(--transition-base); }
.transition-opacity { transition: opacity var(--transition-base); }
.transition-shadow { transition: box-shadow var(--transition-base); }

/* =============================================================================
   Transform Utilities
   ============================================================================= */
.scale-95 { transform: scale(0.95); }
.scale-100 { transform: scale(1); }
.scale-105 { transform: scale(1.05); }
.scale-110 { transform: scale(1.1); }
.translate-y-1 { transform: translateY(0.25rem); }
.translate-y-2 { transform: translateY(0.5rem); }
.-translate-y-1 { transform: translateY(-0.25rem); }
.-translate-y-2 { transform: translateY(-0.5rem); }
.rotate-45 { transform: rotate(45deg); }
.rotate-90 { transform: rotate(90deg); }
.rotate-180 { transform: rotate(180deg); }
.-rotate-45 { transform: rotate(-45deg); }

/* Hover Transforms */
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:-translate-y-1:hover { transform: translateY(-0.25rem); }
.hover\:-translate-y-2:hover { transform: translateY(-0.5rem); }
.hover\:shadow-lg:hover { box-shadow: var(--shadow-lg); }
.hover\:shadow-xl:hover { box-shadow: var(--shadow-xl); }

/* =============================================================================
   Opacity & Visibility
   ============================================================================= */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }
.invisible { visibility: hidden; }
.visible { visibility: visible; }

/* =============================================================================
   Z-Index
   ============================================================================= */
.z-0 { z-index: var(--z-base); }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-dropdown { z-index: var(--z-dropdown); }
.z-sticky { z-index: var(--z-sticky); }
.z-fixed { z-index: var(--z-fixed); }
.z-drawer { z-index: var(--z-drawer); }
.z-modal { z-index: var(--z-modal); }
.z-tooltip { z-index: var(--z-tooltip); }
.z-toast { z-index: var(--z-toast); }

/* =============================================================================
   Cursor
   ============================================================================= */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-grab { cursor: grab; }
.cursor-grabbing { cursor: grabbing; }

/* =============================================================================
   Pointer Events
   ============================================================================= */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* =============================================================================
   User Select
   ============================================================================= */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* =============================================================================
   Text Utilities
   ============================================================================= */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-nowrap { white-space: nowrap; }
.whitespace-normal { white-space: normal; }
.break-words { word-wrap: break-word; overflow-wrap: break-word; }

.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =============================================================================
   Responsive Utilities
   ============================================================================= */
@media (min-width: 640px) {
    .sm\:block { display: block; }
    .sm\:hidden { display: none; }
    .sm\:flex { display: flex; }
    .sm\:grid { display: grid; }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sm\:flex-row { flex-direction: row; }
    .sm\:text-left { text-align: left; }
}

@media (min-width: 768px) {
    .md\:block { display: block; }
    .md\:hidden { display: none; }
    .md\:flex { display: flex; }
    .md\:grid { display: grid; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:flex-row { flex-direction: row; }
    .md\:items-center { align-items: center; }
    .md\:justify-between { justify-content: space-between; }
    .md\:text-left { text-align: left; }
    .md\:text-right { text-align: right; }
    .md\:w-auto { width: auto; }
    .md\:px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }
    .md\:py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
}

@media (min-width: 1024px) {
    .lg\:block { display: block; }
    .lg\:hidden { display: none; }
    .lg\:flex { display: flex; }
    .lg\:grid { display: grid; }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .lg\:col-span-2 { grid-column: span 2 / span 2; }
    .lg\:col-span-3 { grid-column: span 3 / span 3; }
    .lg\:col-span-4 { grid-column: span 4 / span 4; }
    .lg\:col-span-8 { grid-column: span 8 / span 8; }
    .lg\:col-span-9 { grid-column: span 9 / span 9; }
    .lg\:flex-row { flex-direction: row; }
    .lg\:gap-8 { gap: var(--space-8); }
    .lg\:gap-12 { gap: var(--space-12); }
    .lg\:px-12 { padding-left: var(--space-12); padding-right: var(--space-12); }
    .lg\:py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
    .lg\:sticky { position: sticky; }
    .lg\:top-24 { top: var(--space-24); }
}

@media (min-width: 1280px) {
    .xl\:block { display: block; }
    .xl\:hidden { display: none; }
    .xl\:flex { display: flex; }
    .xl\:grid { display: grid; }
    .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .xl\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .xl\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .xl\:gap-12 { gap: var(--space-12); }
}

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

/* =============================================================================
   Print Styles
   ============================================================================= */
@media print {
    .no-print { display: none !important; }

    body {
        background: white;
        color: black;
    }
}