/*
  CPQ 筛选侧边栏
  版本: 20260121_v17 - 收起时释放布局宽度
*/

:root {
  --cpq-filter-width: 300px;
}

.cpq-filter-sidebar {
  width: var(--cpq-filter-width);
  min-width: var(--cpq-filter-width);
  background: var(--cpq-card-bg);
  border: 1px solid var(--cpq-border);
  border-radius: var(--cpq-border-radius);
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: sticky;
  top: 84px;
  height: calc(100vh - 120px);
  overflow-y: auto;
  transition: var(--cpq-transition);
}

.cpq-filter-sidebar.collapsed {
  width: 0;
  min-width: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  transform: translateX(-12px);
  opacity: 0;
  pointer-events: none;
}

.cpq-main-layout.filter-collapsed {
  gap: 0;
}

.cpq-filter-title {
  padding: 8px 16px 4px 16px;
}

.cpq-filter-title h6 {
  margin: 0;
  font-weight: 700;
}

.cpq-filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 16px 8px 16px;
  border-bottom: 1px solid var(--cpq-border);
}

.cpq-filter-status {
  margin: 0 16px 4px 16px;
  padding: 8px 10px;
  border-radius: 6px;
  background: rgba(13, 110, 253, 0.08);
  font-size: 12px;
  color: var(--cpq-text);
}

.mode-light .paper-query-page .cpq-filter-status {
  background: rgba(37, 99, 235, 0.08);
}

.cpq-filter-section {
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.cpq-filter-section-title {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.cpq-filter-section-title::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 11px;
  color: #6c757d;
  transition: transform 0.2s ease;
}

.cpq-filter-section-title.collapsed::after {
  transform: rotate(-90deg);
}

.cpq-filter-section-content {
  padding: 8px 16px 12px 16px;
  display: block;
}

.cpq-filter-section-content.collapsed {
  display: none;
}

.cpq-filter-checkbox-grid,
.cpq-filter-checkbox-list {
  display: grid;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--cpq-border);
  border-radius: 6px;
  background: rgba(13, 110, 253, 0.03);
}

.mode-light .paper-query-page .cpq-filter-checkbox-grid,
.mode-light .paper-query-page .cpq-filter-checkbox-list {
  background: rgba(37, 99, 235, 0.05);
}

.cpq-filter-checkbox-grid {
  grid-template-columns: repeat(3, 1fr);
}

.cpq-filter-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 12px;
}

.mode-light .paper-query-page .cpq-filter-item {
  background: var(--cpq-control-bg, #f7f9fc);
  border-color: rgba(15, 23, 42, 0.08);
}

.cpq-filter-item label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cpq-filter-item-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--cpq-text-muted);
}

.cpq-filter-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.cpq-filter-subsection {
  margin-bottom: 8px;
}

.cpq-filter-subtitle {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--cpq-text-muted);
}

.cpq-filter-badge {
  margin-left: 8px;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 999px;
  background: #e9ecef;
  color: #495057;
  display: none;
}

.cpq-filter-badge.warning {
  background: #fff3cd;
  color: #856404;
}

.cpq-filter-badge.unavailable {
  background: #f8d7da;
  color: #842029;
}

.cpq-filter-section.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.cpq-toggle-switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
  margin-right: 8px;
}

.cpq-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.cpq-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #cfd4da;
  border-radius: 22px;
  transition: 0.2s ease;
}

.cpq-toggle-slider::before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.cpq-toggle-switch input:checked + .cpq-toggle-slider {
  background: #198754;
}

.cpq-toggle-switch input:checked + .cpq-toggle-slider::before {
  transform: translateX(20px);
}

.cpq-toggle-label {
  font-size: 12px;
  font-weight: 600;
}

.cpq-filter-toggle-btn {
  position: absolute;
  right: 10px;
  top: 10px;
  border: none;
  background: #0d6efd;
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(13, 110, 253, 0.3);
}

.cpq-filter-expand-btn {
  position: fixed;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  border: none;
  background: #0d6efd;
  color: #fff;
  width: 42px;
  height: 110px;
  border-radius: 0 8px 8px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  box-shadow: 2px 0 12px rgba(13, 110, 253, 0.3);
}

.cpq-filter-expand-btn span {
  writing-mode: vertical-rl;
  letter-spacing: 2px;
}

@media (max-width: 1200px) {
  .cpq-filter-sidebar {
    width: 260px;
    min-width: 260px;
  }
}

@media (max-width: 1100px) {
  .cpq-filter-sidebar {
    position: fixed;
    left: 12px;
    top: 80px;
    height: calc(100vh - 120px);
    z-index: 1200;
    display: flex;
  }
  .cpq-filter-sidebar.collapsed {
    display: none;
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .cpq-filter-expand-btn {
    display: flex;
  }
}

/* ==================== 暗色主题适配 ==================== */
.mode-dark .cpq-filter-checkbox-grid,
.mode-dark .cpq-filter-checkbox-list {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--cpq-border);
}

.mode-dark .cpq-filter-item {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--cpq-text);
}

.mode-dark .cpq-filter-status {
  background: rgba(61, 139, 253, 0.15);
}

.mode-dark .cpq-filter-badge {
  background: rgba(255, 255, 255, 0.1);
  color: #adb5bd;
}

.mode-dark .cpq-filter-badge.warning {
  background: rgba(255, 193, 7, 0.2);
  color: #ffc107;
}

.mode-dark .cpq-filter-badge.unavailable {
  background: rgba(220, 53, 69, 0.2);
  color: #dc3545;
}

.mode-dark .cpq-filter-section-title::after {
  color: #adb5bd;
}

/* ==================== 科幻主题适配 ==================== */
.mode-scifi .cpq-filter-checkbox-grid,
.mode-scifi .cpq-filter-checkbox-list {
  background: rgba(0, 243, 255, 0.05);
  border-color: rgba(0, 243, 255, 0.2);
}

.mode-scifi .cpq-filter-item {
  background: rgba(10, 25, 41, 0.8);
  border-color: rgba(0, 243, 255, 0.15);
  color: #e6f4ff;
}

.mode-scifi .cpq-filter-status {
  background: rgba(0, 243, 255, 0.1);
  color: #00f3ff;
}

.mode-scifi .cpq-filter-badge {
  background: rgba(0, 243, 255, 0.15);
  color: #00f3ff;
}

.mode-scifi .cpq-filter-badge.warning {
  background: rgba(255, 193, 7, 0.15);
  color: #ffc107;
}

.mode-scifi .cpq-filter-badge.unavailable {
  background: rgba(220, 53, 69, 0.15);
  color: #dc3545;
}

.mode-scifi .cpq-filter-section-title::after {
  color: rgba(0, 243, 255, 0.6);
}

.mode-scifi .cpq-filter-section {
  border-top-color: rgba(0, 243, 255, 0.1);
}

.mode-scifi .cpq-toggle-slider {
  background: rgba(0, 243, 255, 0.2);
}

.mode-scifi .cpq-toggle-switch input:checked + .cpq-toggle-slider {
  background: #00f3ff;
  box-shadow: 0 0 8px rgba(0, 243, 255, 0.5);
}