/* ===== 颜色对照页面样式 - 左右分列布局 ===== */

/* 主容器 */
.color-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding-top: 68px;
}

.color-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== 左侧分类导航栏 ===== */
.color-sidebar {
  width: 240px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface-bg);
  border-right: 1px solid var(--card-border);
  overflow: hidden;
  position: fixed;
  top: 68px;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.color-sidebar-header {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--card-border);
  gap: 0.5rem;
}

.color-sidebar-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  flex: 1;
}

.color-sidebar-stat {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.color-sidebar-close-mobile {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  width: 28px;
  height: 28px;
}

.color-sidebar-close-mobile svg {
  width: 18px;
  height: 18px;
}

.color-cat-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.color-cat-list::-webkit-scrollbar {
  width: 3px;
}

.color-cat-list::-webkit-scrollbar-thumb {
  background: var(--card-border);
  border-radius: 3px;
}

.color-cat-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.65rem 1.25rem;
  border: none;
  background: transparent;
  color: var(--foreground);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  position: relative;
}

.color-cat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  opacity: 0;
  transition: opacity 0.15s;
}

.color-cat-item:hover {
  background: color-mix(in srgb, var(--primary) 8%, transparent);
}

.color-cat-item.active {
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}

.color-cat-item.active::before {
  opacity: 1;
}

.color-cat-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.color-cat-item-count {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  margin-left: 0.5rem;
  flex-shrink: 0;
}

.color-cat-item.active .color-cat-item-count {
  color: var(--primary);
  opacity: 0.7;
}

.color-sidebar-overlay {
  display: none;
}

/* 右侧内容区需要偏移，避免被固定侧栏遮挡 */
.color-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  margin-left: 240px;
}

/* ===== 工具栏 ===== */
.color-toolbar {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--card-border);
  gap: 1rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.color-mobile-cat-btn {
  display: none;
}

.color-toolbar-title-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-shrink: 0;
}

.color-content-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0;
  white-space: nowrap;
}

.color-content-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.color-toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: flex-end;
  min-width: 0;
}

.color-search-wrap {
  position: relative;
  width: 220px;
  flex-shrink: 0;
}

.color-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
  pointer-events: none;
}

.color-search-input {
  width: 100%;
  padding: 0.45rem 2rem 0.45rem 2.2rem;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: color-mix(in srgb, var(--card-bg) 60%, transparent);
  color: var(--foreground);
  font-size: 0.85rem;
  outline: none;
  transition: all 0.2s;
}

.color-search-input::placeholder {
  color: var(--text-secondary);
}

.color-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0,240,255,0.08), 0 0 12px -4px var(--primary-glow);
}

.color-search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
}

.color-search-clear:hover {
  color: var(--foreground);
}

/* ===== 空状态 ===== */
.color-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  gap: 1rem;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .color-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 800;
    box-shadow: none;
  }

  .color-sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 4px 0 30px rgba(0,0,0,0.3);
  }

  .color-content {
    margin-left: 0;
  }

  .color-sidebar-close-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .color-sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    top: 68px;
    z-index: 790;
    background: rgba(0,0,0,0.4);
    animation: fadeIn 0.15s ease;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  .color-mobile-cat-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--foreground);
    font-size: 0.85rem;
    cursor: pointer;
    flex-shrink: 0;
  }

  .color-mobile-cat-btn svg {
    width: 18px;
    height: 18px;
  }

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

  .color-toolbar-title-row {
    display: flex;
    order: -1;
    width: 100%;
    padding: 0.4rem 0;
  }

  .color-content-title {
    font-size: 0.95rem;
  }

  .color-content-count {
    font-size: 0.75rem;
  }

  .color-toolbar {
    padding: 0.6rem 0.75rem;
    gap: 0.5rem;
  }

  .color-search-wrap {
    width: 100%;
    min-width: 0;
    flex: 1;
  }
}