/* ==========================================================================
   BASE CSS - Contemporary Furniture E-Commerce Platform
   Elegant, Modern, Minimalist Design System
   ========================================================================== */

/* ==========================================================================
   CSS VARIABLES
   ========================================================================== */

:root {
  /* Colors - Elegant Furniture Palette */
  --color-background: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-surface-secondary: #F5F4F0;
  
  /* Brand Colors */
  --color-primary: #8B7355;        /* Warm walnut brown */
  --color-primary-dark: #6B5840;
  --color-primary-light: #A89179;
  
  --color-secondary: #7A8470;      /* Muted olive green */
  --color-secondary-dark: #5F6859;
  --color-secondary-light: #9BA592;
  
  --color-accent: #2C2C2C;         /* Matte black */
  --color-accent-light: #4A4A4A;
  
  /* Neutral Grays - Stone palette */
  --color-neutral-50: #FAFAF8;
  --color-neutral-100: #F5F4F0;
  --color-neutral-200: #E8E6E0;
  --color-neutral-300: #D4D1C8;
  --color-neutral-400: #B8B4A8;
  --color-neutral-500: #93907F;
  --color-neutral-600: #706D5F;
  --color-neutral-700: #565449;
  --color-neutral-800: #3D3B33;
  --color-neutral-900: #2C2A24;
  
  /* Semantic Colors */
  --color-success: #6B8E6F;
  --color-success-light: #E8F2E9;
  --color-warning: #C9A870;
  --color-warning-light: #FDF6E8;
  --color-danger: #B87168;
  --color-danger-light: #FBEAE8;
  --color-info: #7A8B9C;
  --color-info-light: #EBF0F4;
  
  /* Text Colors */
  --color-text-primary: #2C2A24;
  --color-text-secondary: #565449;
  --color-text-tertiary: #93907F;
  --color-text-inverse: #FFFFFF;
  --color-text-muted: #B8B4A8;
  
  /* Border Colors */
  --color-border: #E8E6E0;
  --color-border-light: #F5F4F0;
  --color-border-dark: #D4D1C8;
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-family-mono: 'SF Mono', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  
  /* Font Sizes - Fluid Typography */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-md: 1.125rem;     /* 18px */
  --font-size-lg: 1.25rem;      /* 20px */
  --font-size-xl: 1.5rem;       /* 24px */
  --font-size-2xl: 2rem;        /* 32px */
  --font-size-3xl: 2.5rem;      /* 40px */
  --font-size-4xl: 3rem;        /* 48px */
  --font-size-5xl: 3.75rem;     /* 60px */
  --font-size-6xl: 4.5rem;      /* 72px */
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 1.75;
  
  /* Letter Spacing */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;
  
  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;    /* 4px */
  --space-2: 0.5rem;     /* 8px */
  --space-3: 0.75rem;    /* 12px */
  --space-4: 1rem;       /* 16px */
  --space-5: 1.25rem;    /* 20px */
  --space-6: 1.5rem;     /* 24px */
  --space-8: 2rem;       /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */
  --space-32: 8rem;      /* 128px */
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.25rem;   /* 4px */
  --radius-base: 0.375rem; /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;
  
  /* Shadows - Soft & Elegant */
  --shadow-xs: 0 1px 2px 0 rgba(44, 42, 36, 0.03);
  --shadow-sm: 0 2px 4px 0 rgba(44, 42, 36, 0.04), 0 1px 2px 0 rgba(44, 42, 36, 0.03);
  --shadow-base: 0 4px 8px 0 rgba(44, 42, 36, 0.06), 0 2px 4px 0 rgba(44, 42, 36, 0.04);
  --shadow-md: 0 8px 16px 0 rgba(44, 42, 36, 0.08), 0 4px 8px 0 rgba(44, 42, 36, 0.05);
  --shadow-lg: 0 12px 24px 0 rgba(44, 42, 36, 0.1), 0 8px 16px 0 rgba(44, 42, 36, 0.06);
  --shadow-xl: 0 20px 40px 0 rgba(44, 42, 36, 0.12), 0 12px 24px 0 rgba(44, 42, 36, 0.08);
  --shadow-2xl: 0 32px 64px 0 rgba(44, 42, 36, 0.14), 0 20px 40px 0 rgba(44, 42, 36, 0.1);
  --shadow-inner: inset 0 2px 4px 0 rgba(44, 42, 36, 0.06);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Easing Functions */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-elegant: cubic-bezier(0.4, 0.0, 0.2, 1);
  
  /* Z-Index Scale */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1100;
  --z-index-fixed: 1200;
  --z-index-modal-backdrop: 1300;
  --z-index-modal: 1400;
  --z-index-popover: 1500;
  --z-index-tooltip: 1600;
  
  /* Layout */
  --container-max-width: 1440px;
  --container-padding: var(--space-6);
  --container-narrow: 720px;
  --container-wide: 1920px;
  
  /* Breakpoints (for reference) */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #1A1916;
    --color-surface: #242220;
    --color-surface-secondary: #2C2A24;
    --color-text-primary: #F5F4F0;
    --color-text-secondary: #D4D1C8;
    --color-text-tertiary: #93907F;
    --color-border: #3D3B33;
    --color-border-light: #2C2A24;
    --color-border-dark: #565449;
  }
}

/* ==========================================================================
   RESET & NORMALIZE
   ========================================================================== */

/* Box sizing reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margins and padding */
* {
  margin: 0;
  padding: 0;
}

/* Document setup */
html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Body defaults */
body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Responsive images and media */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

img {
  border-style: none;
  vertical-align: middle;
}

/* Form elements inherit font */
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

/* Remove default button styles */
button {
  background: none;
  border: none;
  cursor: pointer;
}

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

/* Table reset */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Remove text decoration from abbreviations */
abbr[title] {
  text-decoration: none;
}

/* Prevent text overflow */
p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/* ==========================================================================
   BASE TYPOGRAPHY
   ========================================================================== */

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-5);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-primary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

/* Responsive typography */
@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  h3 {
    font-size: var(--font-size-xl);
  }
}

/* Paragraphs */
p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

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

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Strong and emphasis */
strong,
b {
  font-weight: var(--font-weight-semibold);
}

em,
i {
  font-style: italic;
}

/* Small text */
small {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Code */
code,
kbd,
samp,
pre {
  font-family: var(--font-family-mono);
  font-size: 0.9em;
}

code {
  background-color: var(--color-neutral-100);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
}

pre {
  background-color: var(--color-neutral-100);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-4);
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* Blockquote */
blockquote {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
}

/* Horizontal rule */
hr {
  border: 0;
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-8) 0;
}

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  position: relative;
}

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

.container-wide {
  max-width: var(--container-wide);
}

.container-fluid {
  max-width: 100%;
}

/* Section spacing */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section-lg {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

@media (max-width: 768px) {
  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
  
  .section-sm {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
  
  .section-lg {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

/* ==========================================================================
   FLEXBOX UTILITIES
   ========================================================================== */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

/* Justify content */
.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

/* Align items */
.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.items-center {
  align-items: center;
}

.items-baseline {
  align-items: baseline;
}

.items-stretch {
  align-items: stretch;
}

/* Gap utilities */
.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); }

/* ==========================================================================
   GRID UTILITIES
   ========================================================================== */

.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)); }

@media (max-width: 1024px) {
  .grid-cols-4,
  .grid-cols-5,
  .grid-cols-6 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-5,
  .grid-cols-6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-5,
  .grid-cols-6 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}

/* ==========================================================================
   SPACING UTILITIES
   ========================================================================== */

/* Margin utilities */
.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: var(--space-0); }
.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); }

.mb-0 { margin-bottom: var(--space-0); }
.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); }

/* Padding utilities */
.p-0 { padding: var(--space-0); }
.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* ==========================================================================
   VISIBILITY UTILITIES
   ========================================================================== */

/* 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;
}

/* Visually hidden but focusable */
.sr-only-focusable:focus,
.sr-only-focusable:active {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Hide element */
.hidden {
  display: none !important;
}

/* ==========================================================================
   COMPONENT: BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  letter-spacing: var(--letter-spacing-wide);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button variants */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse)!important;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse)!important;
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-neutral-100);
}

.btn-text {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding: var(--space-2) var(--space-3);
}

.btn-text:hover {
  color: var(--color-primary-dark);
  background-color: var(--color-neutral-100);
}

/* Button sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ==========================================================================
   COMPONENT: FORM INPUTS
   ========================================================================== */

.input,
.textarea,
.select {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  background-clip: padding-box;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  appearance: none;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

.input:hover,
.textarea:hover,
.select:hover {
  border-color: var(--color-border-dark);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: 0;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.1);
}

.input:disabled,
.textarea:disabled,
.select:disabled {
  background-color: var(--color-neutral-100);
  opacity: 0.6;
  cursor: not-allowed;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

/* Input sizes */
.input-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.input-lg {
  padding: var(--space-4) var(--space-5);
  font-size: var(--font-size-lg);
}

/* Form groups */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.form-help {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.form-error {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

/* Checkbox and radio */
.checkbox,
.radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.checkbox input[type="checkbox"],
.radio input[type="radio"] {
  width: 1.125rem;
  height: 1.125rem;
  margin: 0;
  cursor: pointer;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.radio input[type="radio"] {
  border-radius: var(--radius-full);
}

/* ==========================================================================
   COMPONENT: CARDS
   ========================================================================== */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.card-body {
  padding: var(--space-6);
  flex: 1 1 auto;
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-neutral-50);
}

.card-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.card-img-top {
  border-top-left-radius: calc(var(--radius-lg) - 1px);
  border-top-right-radius: calc(var(--radius-lg) - 1px);
}

/* Card variants */
.card-flat {
  border: none;
  box-shadow: var(--shadow-sm);
}

.card-elevated {
  border: none;
  box-shadow: var(--shadow-md);
}

/* Product card specific */
.product-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-dark);
  transform: translateY(-4px);
}

.product-card-image {
  position: relative;
  width: 100%;
  padding-bottom: 100%; /* 1:1 Aspect Ratio */
  background-color: var(--color-neutral-50);
  overflow: hidden;
}

.product-card-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slower);
}

.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.product-card-content {
  padding: var(--space-5);
}

.product-card-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.product-card-price {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

/* ==========================================================================
   COMPONENT: BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-danger {
  background-color: var(--color-danger-light);
  color: var(--color-danger);
}

.badge-neutral {
  background-color: var(--color-neutral-200);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   COMPONENT: ALERTS
   ========================================================================== */

.alert {
  position: relative;
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.alert-success {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.alert-danger {
  background-color: var(--color-danger-light);
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.alert-info {
  background-color: var(--color-info-light);
  border-color: var(--color-info);
  color: var(--color-info);
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

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

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-border: var(--color-neutral-900);
  }
  
  .btn {
    border-width: 2px;
  }
  
  .input,
  .textarea,
  .select {
    border-width: 2px;
  }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text colors */
.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); }

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

/* Font styles */
.italic { font-style: italic; }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }



/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

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

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Object fit */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

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

/* User select */
.select-none { user-select: none; }

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

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a,
  a:visited {
    text-decoration: underline;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
  }
  
  abbr[title]::after {
    content: " (" attr(title) ")";
  }
  
  pre {
    white-space: pre-wrap !important;
  }
  
  pre,
  blockquote {
    border: 1px solid #999;
    page-break-inside: avoid;
  }
  
  thead {
    display: table-header-group;
  }
  
  tr,
  img {
    page-break-inside: avoid;
  }
  
  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }
  
  h2,
  h3 {
    page-break-after: avoid;
  }
}