/* ==============================================
   Templates – Showcase Section & Gallery Page
   ============================================== */

/* ── Showcase Section (index.html 용) ── */
.template-showcase {
  padding: 12rem 0;
  background: #fafbfc;
  overflow: hidden;
}

.template-showcase .showcase-header {
  text-align: center;
  margin-bottom: 6rem;
  padding: 0 9rem;
}

.template-showcase .showcase-header h2 {
  font-size: 5.6rem;
  font-weight: 800;
  color: #0f0e0e;
  margin-bottom: 2rem;
  word-break: keep-all;
}

.template-showcase .showcase-header p {
  font-size: 2.2rem;
  color: #6b7280;
  font-weight: 400;
}

/* 자동 수평 스크롤 트랙 */
.showcase-track-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.showcase-track {
  display: flex;
  gap: 2.4rem;
  animation: showcaseScroll 40s linear infinite;
  width: max-content;
}

.showcase-track:hover {
  animation-play-state: paused;
}

@keyframes showcaseScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 쇼케이스 카드 */
.showcase-card {
  flex-shrink: 0;
  width: 30rem;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0, 0.99);
}

.showcase-card:hover {
  transform: translateY(-6px);
}

.showcase-card .card-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 1.4rem;
  overflow: hidden;
  background: #e5e7eb;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.35s ease;
}

.showcase-card:hover .card-thumb {
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
}

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

.showcase-card:hover .card-thumb img {
  transform: scale(1.04);
}

.showcase-card .card-name {
  margin-top: 1.2rem;
  font-size: 1.7rem;
  font-weight: 600;
  color: #1f2937;
  text-align: center;
}

/* "더 많은 템플릿 보기" 링크 */
.showcase-more {
  text-align: center;
  margin-top: 5rem;
}

.showcase-more a {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 2rem;
  font-weight: 600;
  color: #3b82f6;
  text-decoration: none;
  padding: 1.2rem 3rem;
  border: 2px solid #3b82f6;
  border-radius: 10rem;
  transition: all 0.3s ease;
}

.showcase-more a:hover {
  background: #3b82f6;
  color: #fff;
}

.showcase-more a svg {
  transition: transform 0.3s ease;
}

.showcase-more a:hover svg {
  transform: translateX(4px);
}


/* ── Gallery Page (templates.html 용) ── */
.gallery-page {
  padding-top: 9rem; /* 헤더 높이 */
}

.gallery-hero {
  text-align: center;
  padding: 8rem 3rem 4rem;
  background: linear-gradient(180deg, #f0f5ff 0%, #fff 100%);
}

.gallery-hero h1 {
  font-size: 5rem;
  font-weight: 800;
  color: #0f0e0e;
  margin-bottom: 1.6rem;
  line-height: 1.3;
}

.gallery-hero p {
  font-size: 2.2rem;
  color: #6b7280;
  max-width: 60rem;
  margin: 0 auto;
  text-align: center;
}

/* 카테고리 필터 탭 (imweb 스타일) */
.template-category-tabs {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 2rem 4rem;
  overflow-x: auto;
  position: sticky;
  top: 9rem;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
  scrollbar-width: none;
}

.template-category-tabs::-webkit-scrollbar {
  display: none;
}

.category-tab {
  padding: 0.8rem 1.8rem;
  border-radius: 10rem;
  border: none;
  background: transparent;
  font-size: 1.6rem;
  font-weight: 500;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.category-tab:hover {
  color: #1f2937;
  background: #f3f4f6;
}

.category-tab.active {
  background: #1f2937;
  color: #fff;
}

/* 템플릿 그리드 */
.template-grid-wrapper {
  max-width: 140rem;
  margin: 0 auto;
  padding: 4rem 4rem 8rem;
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.template-grid .template-card {
  cursor: pointer;
  border-radius: 1.6rem;
  overflow: hidden;
  background: #fff;
  border: 1px solid #f0f0f0;
  transition: all 0.35s cubic-bezier(0.2, 0.7, 0, 0.99);
}

.template-grid .template-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: transparent;
}

.template-card .card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f3f4f6;
  position: relative;
}

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

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

/* 호버 오버레이 */
.template-card .card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.template-card:hover .card-overlay {
  opacity: 1;
}

.card-overlay .overlay-btn {
  padding: 1rem 2rem;
  border-radius: 0.8rem;
  font-size: 1.5rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease;
}

.card-overlay .overlay-btn:hover {
  transform: scale(1.05);
}

.card-overlay .btn-preview {
  background: #fff;
  color: #1f2937;
}

.card-overlay .btn-start {
  background: #3b82f6;
  color: #fff;
}

.template-card .card-info {
  padding: 1.6rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.template-card .card-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #1f2937;
}

.template-card .card-category {
  font-size: 1.3rem;
  font-weight: 500;
  color: #9ca3af;
  background: #f3f4f6;
  padding: 0.4rem 1rem;
  border-radius: 10rem;
}

/* 로딩 스켈레톤 */
.skeleton-card {
  border-radius: 1.6rem;
  overflow: hidden;
  background: #fff;
  border: 1px solid #f0f0f0;
}

.skeleton-card .skeleton-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(90deg, #f0f0f0 25%, #e5e5e5 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-card .skeleton-info {
  padding: 1.6rem 2rem;
  display: flex;
  justify-content: space-between;
}

.skeleton-card .skeleton-text {
  height: 1.8rem;
  border-radius: 0.4rem;
  background: linear-gradient(90deg, #f0f0f0 25%, #e5e5e5 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-card .skeleton-title { width: 40%; }
.skeleton-card .skeleton-badge { width: 20%; }

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 빈 상태 */
.template-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 8rem 2rem;
  color: #9ca3af;
  font-size: 1.8rem;
}


/* ── body 스크롤 잠금 ── */
/* html 에 overflow-x:hidden 이 걸려 있어 body 의 overflow 가 뷰포트로 전파되지 않는다.
   body 높이를 100vh 로 줄이면 문서가 짧아져 스크롤이 맨 위로 튀므로, 잠금은 html 에 건다. */
html:has(body.modal-open) {
  overflow: hidden !important;
}
body.modal-open {
  overflow: hidden !important;
}

/* ── 미리보기 모달 ── */
.template-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: stretch;
  justify-content: stretch;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  overflow: hidden;
}

.template-preview-modal.active {
  display: flex;
}

.preview-modal-inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  overflow: hidden;
  background: #fff;
  animation: modalSlideUp 0.35s cubic-bezier(0.2, 0.7, 0, 0.99);
}

@keyframes modalSlideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* 모달 헤더 */
.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 3rem;
  border-bottom: 1px solid #e5e7eb;
  background: #fff;
  flex-shrink: 0;
}

.preview-header .preview-title-area {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.preview-header .preview-name {
  font-size: 2rem;
  font-weight: 700;
  color: #1f2937;
}

.preview-header .preview-badge {
  font-size: 1.3rem;
  font-weight: 500;
  color: #3b82f6;
  background: #eff6ff;
  padding: 0.4rem 1.2rem;
  border-radius: 10rem;
}

/* 뷰포트 토글 */
.preview-viewport-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #f3f4f6;
  border-radius: 0.8rem;
  padding: 0.4rem;
}

.viewport-btn {
  padding: 0.6rem 1.2rem;
  border: none;
  background: transparent;
  border-radius: 0.6rem;
  cursor: pointer;
  color: #6b7280;
  font-size: 1.4rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.viewport-btn.active {
  background: #fff;
  color: #1f2937;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 모달 액션 */
.preview-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.preview-close-btn {
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 50%;
  border: 1px solid #e5e7eb;
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  font-size: 2rem;
  transition: all 0.2s ease;
}

.preview-close-btn:hover {
  background: #f3f4f6;
  color: #1f2937;
}

.preview-start-btn {
  padding: 1rem 2.4rem;
  background: #3b82f6;
  color: #fff;
  border: none;
  border-radius: 1rem;
  font-size: 1.6rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.preview-start-btn:hover {
  background: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* 모달 iframe */
.preview-iframe-wrapper {
  flex: 1;
  min-height: 0;
  background: #f0f1f3;
  display: flex;
  justify-content: center;
  padding: 2rem;
  overflow: hidden;
}

.preview-iframe-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 1.2rem;
  background: #fff;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  transition: max-width 0.4s cubic-bezier(0.2, 0.7, 0, 0.99);
}

.preview-iframe-wrapper iframe.viewport-mobile {
  max-width: 42rem;
}


/* ── Responsive ── */
@media (max-width: 1200px) {
  .template-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .template-showcase .showcase-header h2 {
    font-size: 3.6rem;
  }

  .template-showcase .showcase-header {
    padding: 0 3rem;
  }

  .showcase-card {
    width: 24rem;
  }

  .gallery-hero h1 {
    font-size: 3.2rem;
  }

  .gallery-hero p {
    font-size: 1.8rem;
  }

  .template-category-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding: 2rem 2rem 1.6rem;
    gap: 0.8rem;
    top: 9rem;
  }

  .template-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .template-grid-wrapper {
    padding: 3rem 2rem 6rem;
  }

  .preview-header {
    padding: 1.2rem 2rem;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .preview-viewport-toggle {
    display: none;
  }

  .preview-iframe-wrapper {
    padding: 0;
  }

  .preview-iframe-wrapper iframe {
    border-radius: 0;
  }

  .showcase-more a {
    font-size: 1.7rem;
  }
}