/* ===================================================================
   首頁目錄專用樣式 (Portal Layout & Styles)
=================================================================== */

/* 頁首 Header */
.portal-header {
  text-align: center;
  margin-bottom: 28px;
  position: relative;
}

.greeting-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--card-border);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-dark);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  animation: fadeInDown 0.6s ease;
}

.site-title {
  font-size: 1.85rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.site-subtitle {
  font-size: 0.95rem;
  color: var(--text-sub);
}

/* 搜尋與篩選區域 */
.filter-section {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.search-bar-wrap {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 12px 18px 12px 42px;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(224, 87, 128, 0.18);
  background: rgba(255, 255, 255, 0.92);
  outline: none;
  transition: all var(--transition-fast);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.search-input:focus {
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 4px var(--primary-light);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  opacity: 0.5;
  pointer-events: none;
}

/* 分類標籤滑動條 */
.category-filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.category-filters::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  flex-shrink: 0;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.8);
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-sub);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  background: white;
  color: var(--primary);
  border-color: var(--primary-light);
}

.filter-chip.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* 頁面卡片網格 */
.pages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 580px) {
  .pages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 18px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.page-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.page-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(224, 87, 128, 0.3);
  background: var(--card-hover-bg);
}

.page-card:hover::before {
  opacity: 1;
}

.card-icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  transition: transform var(--transition-fast);
}

.page-card:hover .card-icon-wrap {
  transform: scale(1.1) rotate(5deg);
}

.card-icon {
  font-size: 1.5rem;
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.5;
  margin-bottom: 14px;
  flex-grow: 1;
}

.card-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid rgba(224, 87, 128, 0.08);
  font-size: 0.8rem;
}

.card-path {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--text-muted);
}

.card-arrow {
  color: var(--primary);
  font-weight: 700;
  transition: transform var(--transition-fast);
}

.page-card:hover .card-arrow {
  transform: translateX(4px);
}

/* 空狀態 */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  display: none;
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

/* 頁尾 Footer */
.portal-footer {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px dashed rgba(224, 87, 128, 0.2);
  color: var(--text-muted);
  font-size: 0.85rem;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}