/* ===================================
   Tool: css-gallery
   CSS Gallery - デザイン例集
   =================================== */

/* Filter Bar */
.gallery-filter {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}
.gallery-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}
.gallery-tab {
  padding: 8px 18px;
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.gallery-tab:hover {
  background: var(--bg-card);
  border-color: var(--border-color);
}
.gallery-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.gallery-tab .tab-count {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-left: 4px;
}
.gallery-tab.active .tab-count {
  opacity: 0.9;
}

/* Search */
.gallery-search {
  position: relative;
  width: 240px;
}
.gallery-search-input {
  width: 100%;
  padding: 9px 14px 9px 36px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  outline: none;
  background: var(--bg-card);
  color: var(--text-primary);
  box-sizing: border-box;
  transition: border-color 0.3s;
}
.gallery-search-input:focus {
  border-color: var(--accent);
}
.gallery-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

/* Gallery Item */
.gallery-item {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

/* Preview Area */
.gallery-preview {
  min-height: 180px;
  padding: 24px;
  background: #f8f9fa;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}
.gallery-preview * {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Item Info */
.gallery-info {
  padding: 16px 20px 12px;
}
.gallery-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.gallery-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.gallery-tag {
  padding: 2px 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Code Panel */
.gallery-code-panel {
  border-top: 1px solid var(--border-color);
  padding: 0;
}
.gallery-code-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}
.gallery-code-tab {
  flex: 1;
  padding: 8px;
  background: transparent;
  border: none;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.gallery-code-tab:hover {
  background: var(--bg-secondary);
}
.gallery-code-tab.active {
  color: var(--accent);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.gallery-code-content {
  position: relative;
  max-height: 200px;
  overflow: auto;
}
.gallery-code-content pre {
  margin: 0;
  padding: 14px 16px;
  font-size: 0.78rem;
  line-height: 1.5;
  background: #1e1e2e;
  color: #cdd6f4;
  overflow-x: auto;
}
.gallery-code-content pre code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
.gallery-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  color: #cdd6f4;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 2;
}
.gallery-copy-btn:hover {
  background: rgba(255,255,255,0.2);
}
.gallery-copy-btn.copied {
  background: rgba(76,175,145,0.3);
  color: #a6e3a1;
}

/* Prism override */
.gallery-code-content code[class*="language-"],
.gallery-code-content pre[class*="language-"] {
  background: #1e1e2e;
  color: #cdd6f4;
  text-shadow: none;
  font-size: 0.78rem;
}

/* Result count */
.gallery-result-count {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.gallery-result-count strong {
  color: var(--accent);
}

/* No results */
.gallery-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.gallery-no-results-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}
.gallery-no-results-text {
  font-size: 1rem;
  font-weight: 600;
}

/* Stats sidebar */
.gallery-stats-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}
.gallery-stats-item:last-child {
  border-bottom: none;
}
.gallery-stats-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.gallery-stats-value {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

/* Popular tags */
.popular-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.popular-tag {
  padding: 4px 10px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}
.popular-tag:hover {
  background: var(--accent);
  color: #fff;
}

/* Tips Section */
.tips-section {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.tips-header { margin-bottom: var(--space-lg); }
.tips-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
@media (max-width: 768px) {
  .tips-grid { grid-template-columns: 1fr; }
}
.tip-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  gap: var(--space-md);
}
.tip-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}
.tip-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.tip-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .gallery-filter {
    flex-direction: column;
    align-items: stretch;
  }
  .gallery-search {
    width: 100%;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  .gallery-preview {
    min-height: 150px;
    padding: 16px;
  }
}
@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .gallery-tabs::-webkit-scrollbar { display: none; }
}