/* ============================================
   GC Manga Site - Main Stylesheet
   Design: Modern Manga Reader Style
   Prefix: gc-
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

/* --- CSS Variables --- */
:root {
  --gc-white: #FFFFFF;
  --gc-light-gray: #F4F6F8;
  --gc-blue: #3366FF;
  --gc-blue-hover: #2952CC;
  --gc-black: #0D0D0D;
  --gc-text-secondary: #5A6872;
  --gc-border: #E2E8F0;
  --gc-shadow: 0 2px 12px rgba(0,0,0,0.06);
  --gc-shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --gc-radius: 8px;
  --gc-radius-lg: 12px;
  --gc-font-heading: 'Noto Sans SC', sans-serif;
  --gc-font-body: 'Inter', 'Noto Sans SC', sans-serif;
  --gc-max-width: 1440px;
  --gc-content-width: 1200px;
}

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

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

body {
  font-family: var(--gc-font-body);
  color: var(--gc-black);
  background-color: var(--gc-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--gc-blue);
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover {
  color: var(--gc-blue-hover);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--gc-font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--gc-black);
}

/* --- Jammer Block (Hidden) --- */
.jammer-block {
  display: none;
}

/* --- Layout Container --- */
.gc-container {
  width: 100%;
  max-width: var(--gc-content-width);
  margin: 0 auto;
  padding: 0 20px;
}

.gc-section {
  padding: 60px 0;
}

.gc-section-alt {
  padding: 60px 0;
  background-color: var(--gc-light-gray);
}

.gc-section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--gc-black);
}

.gc-section-subtitle {
  font-size: 0.95rem;
  color: var(--gc-text-secondary);
  margin-bottom: 36px;
}

/* --- Header / Navigation --- */
#gc-header {
  width: 100%;
  background: var(--gc-white);
  border-bottom: 1px solid var(--gc-border);
  z-index: 100;
  position: relative;
}

.gc-header-inner {
  max-width: var(--gc-content-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.gc-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--gc-font-heading);
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--gc-black);
  text-decoration: none;
}

.gc-logo img {
  width: 36px;
  height: 36px;
}

.gc-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.gc-nav-link {
  display: inline-block;
  padding: 20px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gc-black);
  text-decoration: none;
  position: relative;
  transition: color 0.25s ease;
}

.gc-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gc-blue);
  transition: width 0.25s ease;
}

.gc-nav-link:hover {
  color: var(--gc-blue);
}

.gc-nav-link:hover::after {
  width: 60%;
}

.gc-nav-link.gc-active {
  color: var(--gc-blue);
}

.gc-nav-link.gc-active::after {
  width: 60%;
}

/* Hamburger Menu */
.gc-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.gc-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gc-black);
  transition: all 0.3s ease;
}

.gc-hamburger.gc-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.gc-hamburger.gc-open span:nth-child(2) {
  opacity: 0;
}

.gc-hamburger.gc-open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Sidebar Nav */
.gc-mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 55%;
  max-width: 320px;
  height: 100vh;
  background: var(--gc-white);
  z-index: 999;
  transition: right 0.35s ease;
  padding: 80px 24px 24px;
  box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  overflow-y: auto;
}

.gc-mobile-nav.gc-open {
  right: 0;
}

.gc-mobile-nav-link {
  display: block;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gc-black);
  border-bottom: 1px solid var(--gc-border);
  text-decoration: none;
}

.gc-mobile-nav-link:hover {
  color: var(--gc-blue);
}

.gc-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.gc-overlay.gc-open {
  opacity: 1;
  visibility: visible;
}

.gc-mobile-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gc-black);
}

/* --- Hero / Banner --- */
.gc-hero {
  width: 100%;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  padding: 80px 0;
  color: var(--gc-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.gc-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(51,102,255,0.08) 0%, transparent 60%);
  animation: gc-pulse 8s ease-in-out infinite;
}

@keyframes gc-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.gc-hero-content {
  position: relative;
  z-index: 2;
}

.gc-hero h1 {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--gc-white);
  margin-bottom: 16px;
}

.gc-hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 32px;
}

.gc-hero-search {
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  background: var(--gc-white);
  border-radius: 50px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.gc-hero-search input {
  flex: 1;
  padding: 14px 24px;
  border: none;
  outline: none;
  font-size: 0.95rem;
  color: var(--gc-black);
  font-family: var(--gc-font-body);
}

.gc-hero-search button {
  padding: 14px 28px;
  background: var(--gc-blue);
  color: var(--gc-white);
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s ease;
  font-family: var(--gc-font-heading);
}

.gc-hero-search button:hover {
  background: var(--gc-blue-hover);
}

/* --- Card Grid --- */
.gc-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.gc-card {
  background: var(--gc-white);
  border-radius: var(--gc-radius-lg);
  overflow: hidden;
  box-shadow: var(--gc-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.gc-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--gc-shadow-hover);
}

.gc-card-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  background: var(--gc-light-gray);
}

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

.gc-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gc-card-meta {
  font-size: 0.78rem;
  color: var(--gc-text-secondary);
}

.gc-card-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.7rem;
  background: var(--gc-light-gray);
  color: var(--gc-text-secondary);
  border-radius: 4px;
  margin-top: 6px;
  margin-right: 4px;
}

/* --- Ranking List --- */
.gc-rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gc-rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--gc-white);
  border-radius: var(--gc-radius);
  box-shadow: var(--gc-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gc-rank-item:hover {
  transform: translateX(4px);
  box-shadow: var(--gc-shadow-hover);
}

.gc-rank-number {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--gc-blue);
  min-width: 36px;
  text-align: center;
  font-family: var(--gc-font-heading);
}

.gc-rank-number.gc-top {
  color: #FF6B35;
}

.gc-rank-thumb {
  width: 56px;
  height: 72px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--gc-light-gray);
  flex-shrink: 0;
}

.gc-rank-info {
  flex: 1;
}

.gc-rank-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.gc-rank-heat {
  font-size: 0.78rem;
  color: var(--gc-text-secondary);
}

.gc-rank-heat span {
  color: #FF6B35;
  font-weight: 600;
}

/* --- Collection / Featured --- */
.gc-collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.gc-collection-card {
  position: relative;
  border-radius: var(--gc-radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  box-shadow: var(--gc-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gc-collection-card:hover {
  transform: scale(1.03);
  box-shadow: var(--gc-shadow-hover);
}

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

.gc-collection-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: var(--gc-white);
}

.gc-collection-overlay h3 {
  font-size: 1.1rem;
  color: var(--gc-white);
  margin-bottom: 4px;
}

.gc-collection-overlay p {
  font-size: 0.8rem;
  opacity: 0.85;
}

/* --- Creator Cards --- */
.gc-creator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.gc-creator-card {
  background: var(--gc-white);
  border-radius: var(--gc-radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--gc-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gc-creator-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--gc-shadow-hover);
}

.gc-creator-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  background: var(--gc-light-gray);
}

.gc-creator-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.gc-creator-works {
  font-size: 0.8rem;
  color: var(--gc-text-secondary);
  margin-bottom: 14px;
}

/* --- Buttons --- */
.gc-btn {
  display: inline-block;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--gc-radius);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--gc-font-heading);
  text-decoration: none;
  text-align: center;
}

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

.gc-btn-primary:hover {
  background: var(--gc-blue-hover);
  color: var(--gc-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(51,102,255,0.3);
}

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

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

.gc-btn-sm {
  padding: 6px 16px;
  font-size: 0.8rem;
}

.gc-btn-lg {
  padding: 14px 36px;
  font-size: 1rem;
}

/* --- Membership Section --- */
.gc-membership {
  background: linear-gradient(135deg, #1a1a2e, #0f3460);
  color: var(--gc-white);
  border-radius: var(--gc-radius-lg);
  padding: 48px 36px;
  text-align: center;
}

.gc-membership h2 {
  color: var(--gc-white);
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.gc-membership p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
}

.gc-membership-perks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
}

.gc-perk {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
}

.gc-perk-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* --- Request Zone --- */
.gc-request-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gc-request-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--gc-white);
  border-radius: var(--gc-radius);
  box-shadow: var(--gc-shadow);
  transition: box-shadow 0.2s ease;
}

.gc-request-item:hover {
  box-shadow: var(--gc-shadow-hover);
}

.gc-request-title {
  font-weight: 600;
  font-size: 0.9rem;
}

.gc-request-user {
  font-size: 0.78rem;
  color: var(--gc-text-secondary);
  margin-top: 2px;
}

.gc-request-replies {
  font-size: 0.8rem;
  color: var(--gc-blue);
  font-weight: 600;
  white-space: nowrap;
}

/* --- Points Mall --- */
.gc-mall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

.gc-mall-item {
  background: var(--gc-white);
  border-radius: var(--gc-radius-lg);
  overflow: hidden;
  box-shadow: var(--gc-shadow);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gc-mall-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--gc-shadow-hover);
}

.gc-mall-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--gc-light-gray);
}

.gc-mall-info {
  padding: 14px;
}

.gc-mall-name {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.gc-mall-points {
  font-size: 0.82rem;
  color: #FF6B35;
  font-weight: 700;
}

/* --- APP Download Section --- */
.gc-app-section {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 60px 0;
}

.gc-app-mockup {
  flex: 1;
  max-width: 400px;
}

.gc-app-mockup img {
  width: 100%;
  border-radius: var(--gc-radius-lg);
  box-shadow: var(--gc-shadow-hover);
}

.gc-app-info {
  flex: 1;
}

.gc-app-info h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.gc-app-info p {
  color: var(--gc-text-secondary);
  margin-bottom: 28px;
  font-size: 1rem;
  line-height: 1.8;
}

.gc-app-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.gc-app-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--gc-black);
  color: var(--gc-white);
  border-radius: var(--gc-radius);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
}

.gc-app-btn:hover {
  background: #333;
  color: var(--gc-white);
  transform: translateY(-2px);
}

.gc-app-btn-icon {
  font-size: 1.4rem;
}

/* --- Advertising Section --- */
.gc-ad-section {
  background: var(--gc-light-gray);
  border-radius: var(--gc-radius-lg);
  padding: 40px 36px;
  text-align: center;
}

.gc-ad-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 28px 0;
  flex-wrap: wrap;
}

.gc-ad-stat {
  text-align: center;
}

.gc-ad-stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--gc-blue);
  font-family: var(--gc-font-heading);
}

.gc-ad-stat-label {
  font-size: 0.82rem;
  color: var(--gc-text-secondary);
  margin-top: 4px;
}

/* --- Hiring Section --- */
.gc-hiring-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gc-hiring-item {
  background: var(--gc-white);
  border-radius: var(--gc-radius);
  padding: 18px 20px;
  box-shadow: var(--gc-shadow);
  cursor: pointer;
  transition: box-shadow 0.2s ease;
}

.gc-hiring-item:hover {
  box-shadow: var(--gc-shadow-hover);
}

.gc-hiring-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gc-hiring-title {
  font-size: 1rem;
  font-weight: 700;
}

.gc-hiring-tag {
  font-size: 0.75rem;
  padding: 3px 10px;
  background: rgba(51,102,255,0.1);
  color: var(--gc-blue);
  border-radius: 4px;
  font-weight: 600;
}

.gc-hiring-desc {
  display: none;
  margin-top: 14px;
  font-size: 0.88rem;
  color: var(--gc-text-secondary);
  line-height: 1.7;
  padding-top: 14px;
  border-top: 1px solid var(--gc-border);
}

.gc-hiring-item.gc-expanded .gc-hiring-desc {
  display: block;
}

.gc-hiring-toggle {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--gc-text-secondary);
}

.gc-hiring-item.gc-expanded .gc-hiring-toggle {
  transform: rotate(180deg);
}

/* --- Footer --- */
#gc-footer {
  background: #0D0D0D;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.gc-footer-inner {
  max-width: var(--gc-content-width);
  margin: 0 auto;
  padding: 0 20px;
}

.gc-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.gc-footer-col h4 {
  color: var(--gc-white);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.gc-footer-link {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  padding: 5px 0;
  text-decoration: none;
  transition: color 0.2s ease;
}

.gc-footer-link:hover {
  color: var(--gc-white);
}

.gc-footer-social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.gc-footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.25s ease;
}

.gc-footer-social a:hover {
  background: var(--gc-blue);
  color: var(--gc-white);
}

.gc-footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}

.gc-footer-bottom p {
  margin-bottom: 6px;
}

.gc-age-badge {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid #FF6B35;
  color: #FF6B35;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  margin-right: 8px;
}

/* --- Category Page --- */
.gc-category-header {
  padding: 40px 0;
  background: var(--gc-light-gray);
  text-align: center;
}

.gc-category-header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.gc-category-header p {
  color: var(--gc-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.gc-filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 20px;
}

.gc-filter-tag {
  padding: 6px 16px;
  font-size: 0.82rem;
  border-radius: 20px;
  border: 1px solid var(--gc-border);
  background: var(--gc-white);
  color: var(--gc-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.gc-filter-tag:hover,
.gc-filter-tag.gc-active {
  background: var(--gc-blue);
  color: var(--gc-white);
  border-color: var(--gc-blue);
}

/* --- Content / Detail Page --- */
.gc-detail-hero {
  display: flex;
  gap: 32px;
  padding: 40px 0;
}

.gc-detail-cover {
  width: 240px;
  flex-shrink: 0;
  border-radius: var(--gc-radius-lg);
  overflow: hidden;
  box-shadow: var(--gc-shadow-hover);
}

.gc-detail-cover img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.gc-detail-info {
  flex: 1;
}

.gc-detail-info h1 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.gc-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--gc-text-secondary);
}

.gc-detail-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.gc-detail-desc {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--gc-text-secondary);
  margin-bottom: 24px;
}

.gc-chapter-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.gc-chapter-link {
  display: block;
  padding: 10px 14px;
  font-size: 0.82rem;
  background: var(--gc-light-gray);
  border-radius: var(--gc-radius);
  color: var(--gc-black);
  text-align: center;
  text-decoration: none;
  transition: all 0.2s ease;
}

.gc-chapter-link:hover {
  background: var(--gc-blue);
  color: var(--gc-white);
}

/* --- Author Page --- */
.gc-author-profile {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 40px 0;
}

.gc-author-avatar-lg {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--gc-light-gray);
}

.gc-author-info h1 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.gc-author-info p {
  color: var(--gc-text-secondary);
  font-size: 0.9rem;
}

/* --- Policy Pages --- */
.gc-policy-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 20px;
}

.gc-policy-page h1 {
  font-size: 1.75rem;
  margin-bottom: 24px;
}

.gc-policy-page h2 {
  font-size: 1.25rem;
  margin: 32px 0 12px;
}

.gc-policy-page p {
  margin-bottom: 16px;
  color: var(--gc-text-secondary);
  line-height: 1.8;
}

.gc-policy-page ul {
  margin-bottom: 16px;
  padding-left: 24px;
}

.gc-policy-page ul li {
  list-style: disc;
  margin-bottom: 8px;
  color: var(--gc-text-secondary);
  line-height: 1.7;
}

/* --- APP Download Page --- */
.gc-app-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.gc-app-page-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: var(--gc-content-width);
  margin: 0 auto;
  padding: 60px 20px;
}

.gc-app-screenshots {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.gc-app-screenshots img {
  border-radius: var(--gc-radius-lg);
  box-shadow: var(--gc-shadow-hover);
  background: var(--gc-light-gray);
}

.gc-app-download-info {
  flex: 1;
}

.gc-app-download-info h1 {
  font-size: 2.2rem;
  margin-bottom: 16px;
  line-height: 1.3;
}

.gc-app-download-info .gc-subtitle {
  font-size: 1rem;
  color: var(--gc-text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.gc-qr-section {
  display: flex;
  gap: 24px;
  margin-top: 28px;
}

.gc-qr-item {
  text-align: center;
}

.gc-qr-item img {
  width: 120px;
  height: 120px;
  margin-bottom: 8px;
  background: var(--gc-light-gray);
  border-radius: var(--gc-radius);
}

.gc-qr-item p {
  font-size: 0.8rem;
  color: var(--gc-text-secondary);
}

/* --- Pagination --- */
.gc-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.gc-page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--gc-radius);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gc-text-secondary);
  background: var(--gc-white);
  border: 1px solid var(--gc-border);
  text-decoration: none;
  transition: all 0.2s ease;
}

.gc-page-link:hover,
.gc-page-link.gc-active {
  background: var(--gc-blue);
  color: var(--gc-white);
  border-color: var(--gc-blue);
}

/* --- Breadcrumb --- */
.gc-breadcrumb {
  padding: 12px 0;
  font-size: 0.82rem;
  color: var(--gc-text-secondary);
}

.gc-breadcrumb a {
  color: var(--gc-text-secondary);
  text-decoration: none;
}

.gc-breadcrumb a:hover {
  color: var(--gc-blue);
}

.gc-breadcrumb span {
  margin: 0 6px;
  color: var(--gc-border);
}

/* --- Rating Stars --- */
.gc-stars {
  display: inline-flex;
  gap: 2px;
  color: #FFB800;
  font-size: 0.9rem;
}

/* ============================================
   Responsive Breakpoints
   Mobile First: 360px, 768px, 1024px, 1440px
   ============================================ */

/* Small devices (360px+) - Base styles above */

/* Tablets (768px+) */
@media (min-width: 768px) {
  .gc-hero h1 {
    font-size: 3rem;
  }
  .gc-section-title {
    font-size: 2rem;
  }
}

/* Laptops (1024px+) */
@media (min-width: 1024px) {
  .gc-hamburger {
    display: none !important;
  }
  .gc-nav {
    display: flex !important;
  }
}

/* Desktop (1440px+) */
@media (min-width: 1440px) {
  .gc-container {
    max-width: var(--gc-content-width);
  }
}

/* Mobile (below 1024px) */
@media (max-width: 1023px) {
  .gc-nav {
    display: none;
  }
  .gc-hamburger {
    display: flex;
  }
  .gc-hero h1 {
    font-size: 1.75rem;
  }
  .gc-hero p {
    font-size: 0.95rem;
  }
  .gc-hero-search {
    max-width: 100%;
  }
  .gc-footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .gc-detail-hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .gc-detail-cover {
    width: 180px;
  }
  .gc-detail-meta {
    justify-content: center;
  }
  .gc-app-section,
  .gc-app-page-inner {
    flex-direction: column;
    text-align: center;
  }
  .gc-app-buttons {
    justify-content: center;
  }
  .gc-qr-section {
    justify-content: center;
  }
  .gc-app-mockup {
    max-width: 280px;
    margin: 0 auto;
  }
  .gc-author-profile {
    flex-direction: column;
    text-align: center;
  }
  .gc-ad-stats {
    gap: 24px;
  }
  .gc-collection-grid {
    grid-template-columns: 1fr;
  }
}

/* Small mobile (below 480px) */
@media (max-width: 479px) {
  .gc-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .gc-mall-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .gc-chapter-list {
    grid-template-columns: repeat(3, 1fr);
  }
  .gc-membership-perks {
    flex-direction: column;
    align-items: center;
  }
  .gc-app-screenshots {
    grid-template-columns: 1fr;
  }
}

/* Lazy load placeholder */
.gc-lazy {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.gc-lazy.gc-loaded {
  opacity: 1;
}

/* Utility classes */
.gc-text-center { text-align: center; }
.gc-mt-20 { margin-top: 20px; }
.gc-mb-20 { margin-bottom: 20px; }
.gc-mt-40 { margin-top: 40px; }
.gc-mb-40 { margin-bottom: 40px; }