@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

/* ============================================
   EasyCover Modern Design System
   - Clean, professional industrial supply store
   - Mobile-aware but desktop-first (legacy compat)
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1a56db;
  --color-primary-dark: #1e40af;
  --color-primary-light: #dbeafe;
  --color-secondary: #374151;
  --color-accent: #059669;
  --color-danger: #dc2626;

  /* Neutrals */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Typography */
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* 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;

  /* Layout */
  --container-max: 1280px;
  --header-height: 80px;
  --nav-height: 56px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-sans) !important;
  font-size: var(--font-size-base) !important;
  line-height: 1.6 !important;
  color: var(--color-gray-800) !important;
  background-color: var(--color-white) !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-width: 0 !important;  /* Override common.css min-width:1000px */
  overflow-x: hidden;
  /* Sticky footer layout */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-gray-900);
}
h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

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

.section {
  padding: var(--space-16) 0;
}

.section--gray {
  background-color: var(--color-gray-50);
}

.section--dark {
  background-color: var(--color-gray-800);
  color: var(--color-white);
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid */
.grid {
  display: grid;
  gap: var(--space-6);
}
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

/* --- Header --- */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__top {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.site-header__logo a {
  display: flex;
  align-items: center;
}
.site-header__logo img {
  height: 50px;
  width: auto;
}

.site-header__utils {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-header__utils a {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: 500;
  transition: color var(--transition-fast);
}
.site-header__utils a:hover {
  color: var(--color-primary);
}

/* Main Navigation */
.site-nav {
  background-color: var(--color-gray-800);
}
.site-nav__list {
  display: flex;
  max-width: var(--container-max);
  margin: 0 auto;
}
.site-nav__item {
  flex: 1;
}
.site-nav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--nav-height);
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background-color var(--transition-fast);
}
.site-nav__link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-gray-700);
  color: var(--color-gray-300);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: auto; /* Sticky footer — pushes to bottom */
}

.site-footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-gray-600);
}
.site-footer__links a {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}
.site-footer__links a:hover {
  color: var(--color-primary-light);
}

.site-footer__info {
  text-align: center;
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--color-gray-400);
}

.site-footer__copyright {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: var(--space-20) 0;
  text-align: center;
  overflow: hidden;
}
.hero--primary {
  background: linear-gradient(135deg, var(--color-gray-800), var(--color-gray-900));
  color: var(--color-white);
}
.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  color: inherit;
}
.hero__subtitle {
  font-size: var(--font-size-xl);
  font-weight: 400;
  opacity: 0.85;
  color: inherit;
  margin-bottom: 0;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  position: relative;
  padding-top: 75%; /* 4:3 aspect ratio */
  background-color: var(--color-gray-100);
  overflow: hidden;
}
.card__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__body {
  padding: var(--space-6);
}
.card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-gray-900);
}
.card__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: 600;
  font-family: var(--font-sans);
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}
.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-gray-700);
  border-color: var(--color-gray-300);
}
.btn--secondary:hover {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-400);
  color: var(--color-gray-900);
}

.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-white);
}

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

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-gray-800);
  border-color: var(--color-white);
}
.btn--white:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}

/* --- Section Titles --- */
.section-title {
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-title__heading {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}
.section-title__sub {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  font-weight: 400;
}
.section-title__line {
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
  margin: var(--space-4) auto 0;
  border-radius: var(--radius-full);
}

/* --- Product Grid --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.product-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.product-card__image {
  position: relative;
  padding-top: 100%; /* 1:1 */
  background-color: var(--color-gray-100);
  overflow: hidden;
}
.product-card__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__info {
  padding: var(--space-4) var(--space-5);
}
.product-card__name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.product-card__price {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}
.product-card__price--original {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  text-decoration: line-through;
  margin-left: var(--space-2);
  font-weight: 400;
}

/* --- Info Blocks (Homepage bottom) --- */
.info-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.info-block {
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.info-block--image {
  padding: 0;
  position: relative;
  min-height: 280px;
}
.info-block--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}
.info-block--green {
  background-color: #3d8b6e;
  color: var(--color-white);
}
.info-block--dark {
  background-color: var(--color-gray-800);
  color: var(--color-white);
}

.info-block__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: inherit;
}
.info-block__more {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-6);
}
.info-block__more a {
  color: rgba(255,255,255,0.7);
}
.info-block__more a:hover {
  color: var(--color-white);
}
.info-block__content {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
}
.info-block__phone {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-top: var(--space-4);
  color: var(--color-white);
}
.info-block__detail {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: rgba(255,255,255,0.65);
}

/* --- Sub-page Hero Banner --- */
.page-hero {
  position: relative;
  height: 220px;
  background-color: var(--color-gray-800);
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}
.page-hero__title {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}
.page-hero__subtitle {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 400;
}

/* --- Sub Navigation (tabs) --- */
.sub-nav {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  box-sizing: border-box;
}
.sub-nav__list {
  display: flex !important;
  border-bottom: 2px solid var(--color-gray-200);
}
.sub-nav__item {
  flex: 1;
}
.sub-nav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-gray-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}
.sub-nav__link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.sub-nav__link.active,
.sub-nav__link--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

/* Override legacy submenu.css for #submn inside .sub-nav */
.sub-nav #submn {
  display: flex !important;
  border-bottom: 2px solid var(--color-gray-200) !important;
  height: auto !important;
  text-align: center !important;
  position: relative !important;
}
.sub-nav #submn ul {
  display: flex !important;
  width: 100% !important;
  flex: 1 !important;
  max-width: none !important;
  padding: 0 !important;
  margin: 0 !important;
  float: none !important;
}
.sub-nav #submn li {
  float: none !important;
  flex: 1 !important;
  width: auto !important;
  border: none !important;
  border-bottom: 2px solid transparent !important;
  height: 52px !important;
  line-height: 52px !important;
  margin: 0 !important;
  margin-bottom: -2px !important;
  padding: 0 !important;
  background: transparent !important;
  transition: all 0.2s ease !important;
  text-align: center !important;
}
.sub-nav #submn li:hover {
  border: none !important;
  border-bottom: 2px solid var(--color-primary) !important;
  background: transparent !important;
}
.sub-nav #submn li:hover a {
  color: var(--color-primary) !important;
}
.sub-nav #submn li.on,
.sub-nav #submn li.on:hover {
  background: var(--color-primary) !important;
  border: none !important;
  border-bottom: 2px solid var(--color-primary) !important;
}
.sub-nav #submn li.on a,
.sub-nav #submn li.on a:hover {
  color: var(--color-white) !important;
  font-weight: 600 !important;
}
.sub-nav #submn a {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  height: 100% !important;
  font-size: var(--font-size-base) !important;
  font-weight: 500 !important;
  color: var(--color-gray-500) !important;
}

/* --- Page Content --- */
.page-content {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
  min-height: 500px;
  box-sizing: border-box;
  flex: 1;
}

/* --- Legacy Table Override (PHP include content) --- */
.page-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}
.page-content table td {
  padding: var(--space-2) var(--space-3);
  vertical-align: top;
  color: var(--color-gray-700);
}
.page-content table a {
  color: var(--color-primary);
}
.page-content table a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
.page-content table img {
  display: inline-block;
  max-width: 100%;
  height: auto;
}

/* Legacy font tag override */
.page-content font {
  font-family: var(--font-sans) !important;
  color: inherit !important;
}
.page-content font[color] {
  color: inherit !important;
}

/* Legacy input styling within page-content */
.page-content input[type='text'],
.page-content input[type='password'],
.page-content textarea,
.page-content select {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}
.page-content input[type='text']:focus,
.page-content input[type='password']:focus,
.page-content textarea:focus,
.page-content select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Legacy button styling */
.page-content input[type='submit'],
.page-content input[type='button'] {
  font-family: var(--font-sans);
  cursor: pointer;
}

/* --- Tables (for legacy table-based content) --- */
.modern-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}
.modern-table thead th {
  background-color: var(--color-gray-50);
  color: var(--color-gray-700);
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 2px solid var(--color-gray-200);
}
.modern-table tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
  color: var(--color-gray-600);
}
.modern-table tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-5);
}
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-family: var(--font-sans);
  line-height: 1.5;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-input::placeholder {
  color: var(--color-gray-400);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

/* --- Slider (legacy compatibility) --- */
.modern-slider {
  position: relative;
  width: 100%;
  height: 500px;
  overflow: hidden;
  background-color: var(--color-gray-100);
}
.modern-slider__slide {
  position: absolute;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  padding: var(--space-4) 0;
}
.breadcrumb a {
  color: var(--color-gray-500);
}
.breadcrumb a:hover {
  color: var(--color-primary);
}
.breadcrumb__separator::before {
  content: '/';
  margin: 0 var(--space-1);
  color: var(--color-gray-300);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}
.badge--new {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}
.badge--sale {
  background-color: #fef2f2;
  color: var(--color-danger);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  margin-top: var(--space-8);
}
.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}
.pagination a:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}
.pagination .active {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}

/* --- Modal (legacy pop-login compat) --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  backdrop-filter: blur(4px);
}
.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 440px;
  width: 90%;
  overflow: hidden;
}
.modal-header {
  padding: var(--space-5) var(--space-6);
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}
.modal-header__close {
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  font-size: var(--font-size-xl);
  opacity: 0.8;
}
.modal-header__close:hover {
  opacity: 1;
}
.modal-body {
  padding: var(--space-8) var(--space-6);
}

/* --- Utility Classes --- */
.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-white { color: var(--color-white); }
.text-gray { color: var(--color-gray-500); }
.text-primary { color: var(--color-primary); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }



/* ============================================
   Responsive Breakpoints
   ============================================ */

/* Tablet (max-width: 1023px) */
@media (max-width: 1023px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .info-blocks {
    grid-template-columns: 1fr;
  }
  .page-hero {
    height: 180px;
  }
  .section-title {
    margin-bottom: var(--space-8);
  }
}

/* Mobile (max-width: 767px) */
@media (max-width: 767px) {
  .product-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .page-content {
    padding: var(--space-6) var(--space-4);
    min-height: 300px;
  }
  .page-hero {
    height: 140px;
  }
  .page-hero__title {
    font-size: var(--font-size-2xl);
  }
  .page-hero__subtitle {
    font-size: var(--font-size-sm);
  }
  .sub-nav {
    padding: 0 var(--space-4);
  }
  .sub-nav__list,
  .sub-nav #submn,
  .sub-nav #submn ul {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .sub-nav__list::-webkit-scrollbar,
  .sub-nav #submn::-webkit-scrollbar,
  .sub-nav #submn ul::-webkit-scrollbar {
    display: none;
  }
  .sub-nav__item,
  .sub-nav #submn li {
    flex: none !important;
    min-width: 100px;
  }
  .sub-nav__link,
  .sub-nav #submn a {
    font-size: var(--font-size-sm) !important;
    height: 44px !important;
    line-height: 44px !important;
  }
  .sub-nav #submn li {
    height: 44px !important;
    line-height: 44px !important;
  }
  .section {
    padding: var(--space-8) 0;
  }
  .section-title__heading {
    font-size: var(--font-size-2xl);
  }
  .section-title__sub {
    font-size: var(--font-size-base);
  }
  .card__body {
    padding: var(--space-4);
  }
  .card__title {
    font-size: var(--font-size-lg);
  }
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
  h3 { font-size: var(--font-size-lg); }

  /* Legacy table responsive scroll */
  .page-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Form inputs full width */
  .page-content input[type='text'],
  .page-content input[type='password'],
  .page-content textarea,
  .page-content select {
    max-width: 100%;
  }

  /* Modal responsive */
  .modal-content {
    width: 95%;
    max-width: 400px;
  }
}
/* ============================================================
 * Global Font Size Override — Legacy CSS 9pt → 16px
 * style.css sets 9pt on td,th,p,div,etc. Override with !important
 * ============================================================ */
td, th, p, div, form, center, option, pre, blockquote {
  font-size: 1rem !important;
  line-height: 1.6 !important;
  color: var(--color-gray-800) !important;
}

/* Form elements override */
input[type='text'], input[type='password'], textarea, select {
  font-size: 1rem !important;
  color: var(--color-gray-800) !important;
}

/* item.php 상품 상세 페이지 — 상세설명 가독성 */
.item-detail-table {
  width: 100%;
  margin-top: var(--space-8);
  border-top: 2px solid var(--color-gray-200);
}
.item-detail-table td {
  padding: var(--space-6) 0 !important;
  font-size: 1.0625rem !important; /* 17px for better readability */
  line-height: 1.75 !important;
}
.item-detail-table .subtitle {
  font-size: var(--font-size-lg) !important;
  font-weight: 700 !important;
  color: var(--color-gray-900) !important;
  background-color: transparent !important;
  padding: var(--space-4) 0 !important;
  border-bottom: 1px solid var(--color-gray-200);
  display: block;
}