/* ========================================
   全職設計視角 - Gallery Stylesheet
   ======================================== */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-sidebar: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #334155;
  --accent-gold: #f59e0b;
  --accent-green: #10b981;
  --accent-pink: #ec4899;
  --accent-blue: #3b82f6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.4);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== Header ===== */
.site-header {
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 2rem;
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.main-nav { display: flex; gap: 0.25rem; }

.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.main-nav a:hover, .main-nav a.active {
  color: var(--text-primary);
  background: rgba(99,102,241,0.1);
}

.header-actions { display: flex; gap: 0.75rem; align-items: center; }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* ===== Hero Section ===== */
.hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(99,102,241,0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(168,85,247,0.06) 0%, transparent 50%);
  animation: heroGlow 15s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-5%, 5%); }
}

.hero-content { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.3);
  color: var(--primary-light);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #f1f5f9, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-light);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Hot Tags ===== */
.hot-tags {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-color);
}

.hot-tag {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.hot-tag:hover {
  background: rgba(99,102,241,0.2);
  border-color: var(--primary);
}

/* ===== Main Layout ===== */
.gallery-layout {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  padding: 2rem;
}

/* ===== Sidebar ===== */
.sidebar {
  position: sticky;
  top: 88px;
  height: fit-content;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  background: var(--bg-sidebar);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }

.filter-group { margin-bottom: 1.5rem; }

.filter-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-title i { font-size: 0.9rem; color: var(--primary-light); }

.filter-list { list-style: none; }

.filter-list li {
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.filter-list li:hover { background: rgba(99,102,241,0.08); color: var(--text-primary); }
.filter-list li.active { background: rgba(99,102,241,0.15); color: var(--primary-light); font-weight: 600; }

.filter-count {
  background: rgba(99,102,241,0.15);
  color: var(--primary-light);
  font-size: 0.75rem;
  padding: 0.1rem 0.5rem;
  border-radius: 50px;
  font-weight: 600;
}

/* ===== Gallery Content ===== */
.gallery-content { min-width: 0; }

.gallery-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.7rem 1rem 0.7rem 2.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.15); }
.search-box input::placeholder { color: var(--text-muted); }

.search-box i {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.view-toggle { display: flex; gap: 0.25rem; }

.view-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

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

.result-info {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ===== Template Cards - Grid ===== */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.template-grid.list-view {
  grid-template-columns: 1fr;
}

.template-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.list-view .template-card {
  flex-direction: row;
}

.list-view .card-thumbnail {
  width: 300px;
  min-height: 200px;
  flex-shrink: 0;
}

.card-thumbnail {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #1e293b, #334155);
}

.card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.template-card:hover .card-thumbnail img { transform: scale(1.05); }

.card-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.badge {
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.badge-dark { background: rgba(0,0,0,0.6); color: #e2e8f0; }
.badge-light { background: rgba(255,255,255,0.85); color: #1e293b; }
.badge-featured { background: rgba(245,158,11,0.9); color: #1e293b; }
.badge-pages { background: rgba(16,185,129,0.85); color: white; }

.card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }

.card-id {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 0.25rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.card-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.card-meta span { display: flex; align-items: center; gap: 0.3rem; }

.card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
  flex: 1;
}

.card-tags {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.card-tag {
  background: rgba(99,102,241,0.1);
  color: var(--primary-light);
  padding: 0.15rem 0.5rem;
  border-radius: 50px;
  font-size: 0.7rem;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-light); }

.btn-disabled {
  background: rgba(100,116,139,0.2);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand .site-logo { font-size: 1.25rem; display: inline-block; margin-bottom: 0.75rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.7; }

.footer-col h4 {
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.25rem 0;
  transition: var(--transition);
}

.footer-col a:hover { color: var(--primary-light); }

.footer-bottom {
  max-width: 1440px;
  margin: 2rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15,23,42,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 2rem;
  overflow-y: auto;
}

.mobile-menu.active { display: block; }

.mobile-menu a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 1rem 0;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.mobile-menu a:hover { color: var(--primary-light); }

/* ===== Template Detail Page ===== */
.detail-hero {
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  transition: var(--transition);
}

.detail-back:hover { color: var(--primary-light); }

.detail-preview {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.detail-preview img {
  width: 100%;
  height: auto;
  display: block;
}

.detail-header { margin-bottom: 2rem; }

.detail-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.detail-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.meta-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
}

.meta-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.meta-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.detail-section {
  margin-bottom: 2.5rem;
}

.detail-section h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.page-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
}

.page-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-item i { color: var(--accent-green); font-size: 0.8rem; }

.detail-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.detail-tag {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.8rem;
}

.detail-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.detail-actions .btn { padding: 0.75rem 1.5rem; font-size: 0.9rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .gallery-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; max-height: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .hamburger { display: block; }
  .hero-title { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  .hero-section { padding: 3rem 1.5rem; }
  .hero-title { font-size: 2rem; }
  .hero-stats { gap: 1.5rem; }
  .stat-number { font-size: 2rem; }
  .gallery-layout { padding: 1rem; }
  .template-grid { grid-template-columns: 1fr; }
  .list-view .template-card { flex-direction: column; }
  .list-view .card-thumbnail { width: 100%; min-height: 180px; }
  .footer-inner { grid-template-columns: 1fr; }
  .detail-title { font-size: 1.75rem; }
  .detail-meta-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .header-inner { padding: 0; }
  .hero-title { font-size: 1.75rem; }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .gallery-toolbar { flex-direction: column; }
  .search-box { max-width: 100%; }
  .card-actions { flex-direction: column; }
  .card-actions .btn { justify-content: center; }
}