/* ─── 折叠式模型选择器 ─────────────────────────────── */

#model-dropdown-panel {
  width: 320px;
  max-height: 450px;
  background: var(--color-bg-surface, #fff);
  border: 1px solid var(--color-border-subtle, #e5e7eb);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  z-index: 10000;
  animation: dropdownSlideUp 0.15s ease-out;
}

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

.model-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-subtle, #e5e7eb);
}

.model-dropdown-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary, #111);
}

.model-dropdown-close {
  background: none;
  border: none;
  color: var(--color-text-muted, #6b7280);
  cursor: pointer;
  padding: 4px;
  font-size: 16px;
  line-height: 1;
  border-radius: 4px;
  transition: all 0.15s;
}

.model-dropdown-close:hover {
  background: var(--color-bg-elevated, #f3f4f6);
  color: var(--color-text-primary, #111);
}

.model-dropdown-search {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-subtle, #e5e7eb);
}

.model-dropdown-search input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border-default, #d1d5db);
  border-radius: 8px;
  font-size: 13px;
  background: var(--color-bg-surface, #fff);
  color: var(--color-text-primary, #111);
  outline: none;
  transition: border-color 0.15s;
}

.model-dropdown-search input:focus {
  border-color: var(--color-accent, #3b82f6);
}

.model-dropdown-search input::placeholder {
  color: var(--color-text-muted, #9ca3af);
}

.model-dropdown-filters {
  display: flex;
  gap: 8px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--color-border-subtle, #e5e7eb);
}

.filter-btn {
  padding: 4px 10px;
  border: 1px solid var(--color-border-default, #d1d5db);
  border-radius: 16px;
  background: var(--color-bg-surface, #fff);
  color: var(--color-text-secondary, #6b7280);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover {
  background: var(--color-bg-elevated, #f3f4f6);
}

.filter-btn.active {
  background: var(--color-accent, #3b82f6);
  color: #fff;
  border-color: var(--color-accent, #3b82f6);
}

.model-dropdown-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.model-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.1s;
}

.model-item:hover {
  background: var(--color-bg-elevated, #f3f4f6);
}

.model-item.active {
  background: var(--color-accent-light, #eff6ff);
}

.model-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.model-item-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary, #111);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-item-provider {
  font-size: 11px;
  color: var(--color-text-muted, #9ca3af);
}

.model-item-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.badge {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 500;
}

.badge.thinking {
  background: #fef3c7;
  color: #92400e;
}

.badge.vision {
  background: #dbeafe;
  color: #1e40af;
}

.model-item-context {
  font-size: 11px;
  color: var(--color-text-muted, #9ca3af);
}

/* 滚动条样式 */
.model-dropdown-list::-webkit-scrollbar {
  width: 6px;
}

.model-dropdown-list::-webkit-scrollbar-track {
  background: transparent;
}

.model-dropdown-list::-webkit-scrollbar-thumb {
  background: var(--color-border-default, #d1d5db);
  border-radius: 3px;
}

.model-dropdown-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted, #9ca3af);
}