/* ============================================
   광명시자원봉사센터 온라인 도서관
   Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
  --primary: #2E7D32;
  --primary-light: #4CAF50;
  --primary-dark: #1B5E20;
  --secondary: #1976D2;
  --secondary-light: #42A5F5;
  --secondary-dark: #0D47A1;
  --accent: #FF6F00;
  --accent-light: #FFB300;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  --text-primary: #212121;
  --text-secondary: #616161;
  --text-muted: #9E9E9E;
  --border: #E0E0E0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.18);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.25s ease;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --white: #1a1a2e;
  --gray-50: #16213e;
  --gray-100: #0f3460;
  --gray-200: #1a1a2e;
  --gray-300: #2d2d44;
  --gray-400: #4a4a6a;
  --gray-500: #7a7a9a;
  --gray-600: #9a9ab0;
  --gray-700: #b0b0c0;
  --gray-800: #c5c5d0;
  --gray-900: #e0e0ea;
  --text-primary: #e8e8f0;
  --text-secondary: #b0b0c8;
  --text-muted: #7a7a96;
  --border: #2d2d44;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
}

/* Font Size Adjustments */
[data-fontsize="large"] { font-size: 18px; }
[data-fontsize="xlarge"] { font-size: 20px; }

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color: var(--text-primary);
  background-color: var(--gray-50);
  line-height: 1.7;
  transition: background-color var(--transition), color var(--transition);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

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

ul, ol {
  list-style: none;
}

/* ============================================
   Skip Navigation (Accessibility)
   ============================================ */
.skip-nav {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: 10px 20px;
  z-index: 10000;
  border-radius: 0 0 var(--radius-sm) 0;
  transition: top 0.2s;
}
.skip-nav:focus {
  top: 0;
}

/* ============================================
   Accessibility Toolbar
   ============================================ */
.a11y-toolbar {
  background: var(--gray-800);
  color: white;
  padding: 6px 20px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  font-size: 0.8rem;
  position: relative;
  z-index: 1000;
}

[data-theme="dark"] .a11y-toolbar {
  background: var(--gray-300);
}

.a11y-toolbar button {
  background: rgba(255,255,255,0.15);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.78rem;
  transition: background var(--transition);
  cursor: pointer;
}

.a11y-toolbar button:hover {
  background: rgba(255,255,255,0.3);
}

.a11y-toolbar .toolbar-label {
  color: rgba(255,255,255,0.7);
  margin-right: 4px;
}

/* ============================================
   Header
   ============================================ */
.site-header {
  background: var(--white);
  border-bottom: 3px solid var(--primary);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 900;
  transition: background var(--transition);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-logo img {
  height: 48px;
  width: auto;
}

.header-logo-text {
  display: flex;
  flex-direction: column;
}

.header-logo-text .org-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.2;
}

.header-logo-text .site-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-item > a,
.nav-item > button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-item > a:hover,
.nav-item > button:hover,
.nav-item > a.active {
  background: var(--primary);
  color: white;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-search-toggle,
.btn-admin-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.btn-search-toggle:hover,
.btn-admin-link:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.mobile-menu-btn:hover {
  background: var(--gray-100);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Header Search */
.header-search-bar {
  display: none;
  background: var(--gray-100);
  border-top: 1px solid var(--border);
  padding: 12px 20px;
}

.header-search-bar.active {
  display: block;
}

.header-search-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
}

.header-search-inner input {
  flex: 1;
  padding: 10px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition);
}

.header-search-inner input:focus {
  border-color: var(--primary);
}

.header-search-inner button {
  padding: 10px 20px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition);
}

.header-search-inner button:hover {
  background: var(--primary-dark);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--secondary) 100%);
  color: white;
  padding: 80px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.hero-mascot-area {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 30px;
}

.hero-mascot-area img {
  height: 120px;
  width: auto;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.3));
  animation: float 3s ease-in-out infinite;
}

.hero-mascot-area img:nth-child(2) {
  animation-delay: 1.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  opacity: 0.9;
  margin-bottom: 36px;
  line-height: 1.7;
}

/* Hero Search */
.hero-search {
  max-width: 620px;
  margin: 0 auto;
}

.hero-search-box {
  display: flex;
  background: white;
  border-radius: 50px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-search-box input {
  flex: 1;
  padding: 16px 24px;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--text-primary);
  background: transparent;
}

.hero-search-box button {
  padding: 16px 28px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-search-box button:hover {
  background: var(--accent-light);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-top: 4px;
}

/* ============================================
   Category Cards Section
   ============================================ */
.section {
  padding: 60px 20px;
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 24px;
  background: var(--primary);
  border-radius: 3px;
}

.section-link {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.section-link:hover {
  gap: 8px;
}

/* Category Cards */
.category-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.category-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--card-color, var(--primary));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--card-color, var(--primary));
}

.category-card--webzine { --card-color: #2E7D32; }
.category-card--newsletter { --card-color: #1976D2; }
.category-card--other { --card-color: #FF6F00; }

.category-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 18px;
  transition: transform var(--transition);
}

.category-card:hover .category-icon {
  transform: scale(1.1);
}

.category-card--webzine .category-icon {
  background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
  color: #2E7D32;
}

.category-card--newsletter .category-icon {
  background: linear-gradient(135deg, #e3f2fd, #bbdefb);
  color: #1976D2;
}

.category-card--other .category-icon {
  background: linear-gradient(135deg, #fff3e0, #ffe0b2);
  color: #FF6F00;
}

.category-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.category-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.category-count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gray-100);
  color: var(--text-secondary);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
}

/* ============================================
   Publication Cards Grid
   ============================================ */
.pub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.pub-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
}

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

.pub-card-thumb {
  position: relative;
  padding-top: 133%;
  background: linear-gradient(135deg, #e8f5e9 0%, #bbdefb 100%);
  overflow: hidden;
}

.pub-card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.pub-card:hover .pub-card-thumb img {
  transform: scale(1.05);
}

.pub-card-thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--gray-500);
}

.pub-card-thumb-placeholder i {
  font-size: 2.5rem;
  color: var(--gray-400);
}

.pub-card-thumb-placeholder span {
  font-size: 0.8rem;
  font-weight: 600;
}

.pub-card-category {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}

.pub-card-category.newsletter { background: var(--secondary); }
.pub-card-category.other { background: var(--accent); }

.pub-card-body {
  padding: 14px;
}

.pub-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pub-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pub-card-stats {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.pub-card-stats span {
  display: flex;
  align-items: center;
  gap: 3px;
}

.pub-card-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.btn-view {
  flex: 1;
  padding: 8px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  transition: background var(--transition);
}

.btn-view:hover {
  background: var(--primary-dark);
}

.btn-bookmark {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: all var(--transition);
}

.btn-bookmark:hover,
.btn-bookmark.active {
  background: #FFF9C4;
  border-color: #F9A825;
  color: #F9A825;
}

/* ============================================
   Filter & Sort Bar
   ============================================ */
.filter-bar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-select {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-primary);
  background: var(--white);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}

.filter-select:focus {
  border-color: var(--primary);
}

.filter-search {
  flex: 1;
  min-width: 200px;
  display: flex;
  gap: 8px;
}

.filter-search input {
  flex: 1;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-primary);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition);
}

.filter-search input:focus {
  border-color: var(--primary);
}

.filter-search button {
  padding: 7px 16px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition);
}

.filter-search button:hover {
  background: var(--primary-dark);
}

.results-info {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 40px;
}

.page-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition);
  background: var(--white);
}

.page-btn:hover:not(:disabled),
.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ============================================
   Page Tabs
   ============================================ */
.page-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 28px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all var(--transition);
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ============================================
   Page Hero (Sub pages)
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 48px 20px;
}

.page-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 16px;
}

.breadcrumb a {
  opacity: 0.9;
  transition: opacity var(--transition);
}

.breadcrumb a:hover {
  opacity: 1;
}

.page-hero-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-hero-desc {
  font-size: 1rem;
  opacity: 0.85;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--gray-800);
  color: var(--gray-400);
  padding: 48px 20px 24px;
  margin-top: auto;
}

[data-theme="dark"] .site-footer {
  background: var(--gray-300);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-org-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}

.footer-address {
  font-size: 0.875rem;
  line-height: 2;
  color: var(--gray-500);
}

.footer-contact dt {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 8px;
}

.footer-contact dd {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.footer-links h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: white;
  margin-bottom: 14px;
}

.footer-links ul li {
  margin-bottom: 8px;
}

.footer-links ul li a {
  font-size: 0.875rem;
  color: var(--gray-500);
  transition: color var(--transition);
}

.footer-links ul li a:hover {
  color: var(--primary-light);
}

.footer-ivy-logo {
  height: 64px;
  width: auto;
  margin-bottom: 12px;
}

.footer-ivy-text {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--gray-600);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--gray-600);
}

.footer-bottom-links {
  display: flex;
  gap: 16px;
}

.footer-bottom-links a {
  color: var(--gray-600);
  transition: color var(--transition);
}

.footer-bottom-links a:hover {
  color: white;
}

/* ============================================
   Floating Buttons
   ============================================ */
.floating-btns {
  position: fixed;
  right: 20px;
  bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 500;
}

.floating-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.floating-btn:hover {
  transform: scale(1.1);
}

.btn-top {
  background: var(--gray-700);
  color: white;
}

.btn-favorites {
  background: #F9A825;
  color: white;
}

.btn-recent {
  background: var(--secondary);
  color: white;
}

/* ============================================
   Notification Toast
   ============================================ */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--gray-900);
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  max-width: 300px;
}

.toast.show {
  transform: translateX(0);
}

.toast.success { border-left: 4px solid var(--primary-light); }
.toast.info { border-left: 4px solid var(--secondary-light); }
.toast.warning { border-left: 4px solid #FFB300; }
.toast.error { border-left: 4px solid #f44336; }

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform var(--transition);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  padding: 24px 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.modal-close:hover {
  background: var(--gray-100);
}

.modal-body {
  padding: 20px 28px 28px;
}

/* ============================================
   Share Modal
   ============================================ */
.share-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.share-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.share-kakao { background: #FEE500; border-color: #FEE500; color: #3C1E1E; }
.share-band { background: #02B875; border-color: #02B875; color: white; }
.share-facebook { background: #1877F2; border-color: #1877F2; color: white; }
.share-copy { background: var(--gray-100); }

.share-qr {
  text-align: center;
  padding: 20px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

#qrcode {
  display: inline-block;
  margin-bottom: 8px;
}

/* ============================================
   Recent / Favorites Panel
   ============================================ */
.side-panel {
  position: fixed;
  right: -380px;
  top: 0;
  bottom: 0;
  width: 360px;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  z-index: 1500;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
}

.side-panel.active {
  right: 0;
}

.side-panel-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.side-panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.side-panel-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.side-panel-close:hover {
  background: var(--gray-100);
}

.side-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.side-panel-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 10px;
  cursor: pointer;
  transition: all var(--transition);
}

.side-panel-item:hover {
  background: var(--gray-50);
  border-color: var(--primary);
}

.side-panel-item-thumb {
  width: 48px;
  height: 64px;
  background: var(--gray-100);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--gray-400);
  flex-shrink: 0;
  overflow: hidden;
}

.side-panel-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.side-panel-item-info {
  flex: 1;
  min-width: 0;
}

.side-panel-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-panel-item-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.side-panel-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  font-size: 0.9rem;
}

.side-panel-empty i {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 12px;
  opacity: 0.4;
}

/* ============================================
   Loading Spinner
   ============================================ */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-muted);
  flex-direction: column;
  gap: 16px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.empty-state p {
  font-size: 0.9rem;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center { text-align: center; }
.text-right { text-align: right; }

.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;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-green { background: #e8f5e9; color: #2E7D32; }
.badge-blue { background: #e3f2fd; color: #1976D2; }
.badge-orange { background: #fff3e0; color: #FF6F00; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--secondary);
  color: white;
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .category-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
  }

  .header-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 3px solid var(--primary);
    padding: 16px;
    gap: 4px;
    z-index: 899;
    box-shadow: var(--shadow-lg);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .category-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat .stat-number {
    font-size: 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .pub-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .results-info {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.6rem;
  }

  .hero-mascot-area img {
    height: 80px;
  }

  .hero-search-box input {
    padding: 12px 16px;
    font-size: 0.9rem;
  }

  .hero-search-box button {
    padding: 12px 16px;
    font-size: 0.88rem;
  }

  .pub-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .a11y-toolbar {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }
}