/* ============================================================
   components.css - Buttons, tags, chips, cards, modal, pagination, tabs, carousel
   ============================================================ */
/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 20px; border-radius: 6px; font-size: 14px;
  cursor: pointer; transition: all .2s; line-height: 1.4; white-space: nowrap;
}

.btn-primary { background: var(--primary); color: #fff; }

.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-outline { background: transparent; color: var(--text-2); border: 1px solid var(--border); }

.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-ghost { background: var(--primary-light); color: var(--primary); }

.btn-ghost:hover { background: var(--primary); color: #fff; }

.icon-btn {
  width: 36px; height: 36px; border-radius: 6px; display: flex; align-items: center; justify-content: center;
  color: var(--text-2); border: 1px solid var(--border); background: var(--card);
}

.icon-btn:hover { color: var(--primary); border-color: var(--primary); }

/* ============================================================
   CAROUSEL
   ============================================================ */
.carousel { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }

.carousel-track { display: flex; transition: transform .5s ease; }

.carousel-dots { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }

.carousel-dots button { width: 22px; height: 4px; border-radius: 2px; background: rgba(255,255,255,.4); }

.carousel-dots button.on { background: #fff; }

.carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 38px; height: 38px; border-radius: 50%; background: rgba(0,0,0,.3); color: #fff;
  display: flex; align-items: center; justify-content: center;
}

.carousel-arrow:hover { background: rgba(0,0,0,.55); }

.carousel-arrow.prev { left: 14px; }

.carousel-arrow.next { right: 14px; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { margin-bottom: 24px; }

.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }

.section-title {
  font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 8px;
  padding-left: 12px; position: relative;
}

.section-title::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; background: var(--primary); border-radius: 2px; }

.section-more { font-size: 13px; color: var(--text-3); display: flex; align-items: center; gap: 3px; }

.section-more:hover { color: var(--primary); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 16px; }

.tabs a, .tabs button {
  padding: 9px 18px; font-size: 14px; color: var(--text-2); border-bottom: 2px solid transparent;
  margin-bottom: -2px; font-weight: 500;
}

.tabs a:hover, .tabs button:hover { color: var(--primary); }

.tabs .on, .tabs a.on, .tabs button.on { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }

.chip {
  padding: 6px 14px; border-radius: 16px; font-size: 13px;
  background: var(--card); border: 1px solid var(--border); color: var(--text-2);
}

.chip:hover { border-color: var(--primary); color: var(--primary); }

.chip.on { background: var(--primary); color: #fff; border-color: var(--primary); }

.book-tag {
  position: absolute; top: 6px; left: 6px; font-size: 11px; padding: 2px 7px;
  background: rgba(0,0,0,.55); color: #fff; border-radius: 3px;
}

.book-tag.tag-green { background: var(--green); }

.book-tag.tag-hot { background: #f53f3f; }

/* pagination */
.search-pagination { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 24px; }

.page-btn { padding: 7px 16px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; background: var(--card); color: var(--text-2); }

.page-btn:hover { border-color: var(--primary); color: var(--primary); }

.page-info { font-size: 13px; color: var(--text-3); }

.pagination ul { display: flex; gap: 6px; justify-content: center; list-style: none; margin-top: 24px; flex-wrap: wrap; }

.pagination a, .pagination span { padding: 7px 13px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; background: var(--card); color: var(--text-2); }

.pagination .active span { background: var(--primary); color: #fff; border-color: var(--primary); }

.pagination .disabled span { opacity: .5; }

.empty { text-align: center; padding: 60px 20px; color: var(--text-3); }

.no-results { text-align: center; padding: 50px 20px; color: var(--text-3); }

.no-results h3 { color: var(--text); margin: 12px 0 6px; }

/* ===== 分类筛选栏 ===== */
.filter-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border, #eee);
  flex-wrap: wrap;
}

.filter-row:last-of-type {
  border-bottom: none;
  margin-bottom: 16px;
}

.filter-label {
  flex-shrink: 0;
  width: 48px;
  font-size: 13px;
  color: var(--text-3, #999);
  padding-top: 6px;
  text-align: right;
}

.filter-row .chips {
  flex: 1;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-row .chip {
  padding: 5px 14px;
  font-size: 13px;
  border-radius: 14px;
  transition: all 0.2s ease;
  cursor: pointer;
  line-height: 1.5;
}

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

.filter-row .chip.on {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 6px rgba(26,106,255,0.25);
}

/* ============================================================
   CHARACTERS MODAL - 人物介绍弹窗
   ============================================================ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--card);
  border-radius: 12px;
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.25s ease;
}

.modal-overlay.active .modal-box {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-3);
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--text-1);
}

.modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
}

/* --- Fix 6: 筛选标签(chips)平滑过渡动画 --- */
.filter-row .chip,
.chips .chip {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-row .chip:active,
.chips .chip:active {
  transform: scale(0.95);
}