/* 文片組合頁面專屬樣式 - 升級為玻璃擬態風格 */

:root {
  --nav-height: 70px;
}

/* 1. 搜尋區塊 */
#searchContainer {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  padding: 15px 20px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  margin-top: 20px;
  margin-bottom: 20px;
}

.quick-search-label {
  font-weight: 600;
  color: var(--primary-blue);
  white-space: nowrap;
}

#searchInput {
  padding: 10px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-main);
  flex: 1;
  max-width: 300px;
  transition: all 0.3s ease;
}

#searchInput:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 10px rgba(77, 163, 255, 0.3);
  background: var(--glass-bg);
}

/* 2. 篩選器 (Accordion) */
.accordion {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  margin-bottom: 30px;
  overflow: hidden;
}

.accordion-header {
  padding: 15px 20px;
  color: var(--primary-blue);
  font-weight: bold;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
  background: rgba(255, 255, 255, 0.02);
}

.accordion-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

.accordion-content {
  padding: 10px 20px 20px;
  transition: all 0.3s ease;
}

.accordion.collapsed .accordion-content {
  display: none;
}

.accordion-header::after {
  content: "▾";
  font-size: 14px;
  transition: transform 0.3s;
}

.accordion.collapsed .accordion-header::after {
  transform: rotate(-90deg);
}

.filter-group {
  margin-bottom: 15px;
}

.filter-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.filter-label {
  font-weight: bold;
  color: var(--text-muted);
  min-width: 60px;
  padding-top: 6px;
}

.filter-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
  min-width: 80px;
  text-align: center;
}

.filter-btn:hover {
  background: rgba(77, 163, 255, 0.15);
  border-color: var(--primary-blue);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
  border-color: var(--primary-blue);
  box-shadow: 0 4px 12px rgba(77, 163, 255, 0.3);
  color: #fff !important;
}

.filter-actions {
  display: flex;
  justify-content: flex-start;
  padding-top: 10px;
}

.clear-btn {
  background: var(--tag-clear-bg);
  border: 1px solid var(--tag-clear-border);
  color: var(--highlight-yellow);
  border-radius: 8px;
  padding: 8px 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.clear-btn:hover {
  background: var(--highlight-yellow);
  color: #000;
}

/* 3. 文片組合清單 (Grid Layout) */
.combo-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  padding: 0 5px;
}

.combo-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 24px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.combo-card:hover {
  transform: translateY(-5px);
  background: rgba(77, 163, 255, 0.05);
  border-color: rgba(77, 163, 255, 0.3);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.combo-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-blue);
  opacity: 0.6;
}

.combo-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-blue);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.combo-category {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-separator);
}

.combo-category strong {
  color: var(--primary-blue);
  font-weight: 600;
}

.combo-details p {
  margin: 10px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
}

.combo-details strong {
  color: var(--primary-blue);
  display: inline-block;
  min-width: 80px;
}

/* 搜尋字詞高亮 */
.highlight {
  background-color: rgba(255, 216, 107, 0.25);
  color: var(--highlight-yellow);
  font-weight: bold;
  border-radius: 4px;
  padding: 0 4px;
  text-shadow: 0 0 8px rgba(255, 216, 107, 0.3);
}

/* 響應式微調 */
@media (max-width: 768px) {
  #searchContainer {
    flex-direction: column;
    align-items: stretch;
  }
  
  #searchInput {
    max-width: none;
  }

  .filter-row {
    flex-direction: column;
    gap: 8px;
  }

  .filter-btn {
    flex: 1 1 calc(33.33% - 10px);
  }

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

/* 白天模式：組合卡片與篩選區維持清楚的層次 */
[data-theme="light"] .accordion-header {
  background: rgba(0, 102, 204, 0.035);
}

[data-theme="light"] .accordion-header:hover {
  background: rgba(0, 102, 204, 0.1);
}

[data-theme="light"] .combo-card {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .combo-card:hover {
  background: #ffffff;
  border-color: rgba(0, 102, 204, 0.35);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.14);
}