/* ═══════════════════════════════
   Gallery - 画廊首页样式
   ═══════════════════════════════ */

/* 头部 */
.page-header {
  text-align: center;
  padding: 48px 24px 32px;
}

.logo {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 900;
  background: linear-gradient(135deg, #c8a96e, #e8c97a, #a08050);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

.subtitle {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: clamp(13px, 2vw, 16px);
  letter-spacing: 1px;
}

/* 筛选栏 */
.filter-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 12px 24px 16px;
  background: linear-gradient(180deg, var(--bg-primary), var(--bg-primary) 85%, transparent);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto 14px;
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-muted);
}

#searchInput {
  flex: 1;
  font-size: 15px;
  padding: 2px 0;
}

#searchInput::placeholder {
  color: var(--text-muted);
}

/* 标签筛选 */
.tag-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-btn {
  padding: 6px 16px;
  font-size: 13px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.2s var(--ease-out);
}

.tag-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.tag-btn.active {
  background: linear-gradient(135deg, rgba(200, 169, 110, 0.2), rgba(200, 169, 110, 0.1));
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

/* 画廊网格 */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--gap);
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
  }
}

/* 卡片 */
.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), border-color 0.25s;
  aspect-ratio: 9 / 16;
}

.hero-card:hover {
  transform: translateY(-4px) scale(1.03);
  border-color: var(--accent);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.hero-card.hidden {
  display: none;
}

/* 卡片显示时的淡入效果 */
.hero-card.fade-in {
  animation: cardFadeIn 0.35s var(--ease-out) both;
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 卡片内 SVG 预览 — 裁切上半部分 */
.hero-card-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* 卡片底部渐变遮罩 + 名称 */
.hero-card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 8px 8px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
}

.hero-card-name {
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 无结果 */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
  font-size: 16px;
}

/* 页脚 */
.page-footer {
  text-align: center;
  padding: 32px 24px 48px;
  color: var(--text-muted);
  font-size: 13px;
}