/**
 * @file 多图对比面板样式
 * @version 1.0.0
 * @date 2026-11-09
 * @description 对比面板放在 detail 面板之前，grid 自适应最多 2 列，
 *              每格有标题栏、关闭按钮和独立的图表容器。
 */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.header-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.compare-toggle {
  padding: 5px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: transparent;
  color: var(--color-muted);
  font-size: 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.compare-toggle:hover {
  color: var(--color-text);
}

.compare-toggle.is-active {
  border-color: rgba(240, 185, 11, 0.55);
  background: rgba(240, 185, 11, 0.12);
  color: var(--color-accent);
}

.watchlist-table .col-compare {
  width: 28px;
}

.watchlist-table .cell-compare {
  text-align: center;
}

.watchlist-table .row-checkbox {
  accent-color: var(--color-accent);
  cursor: pointer;
}

.compare-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-panel[hidden] {
  display: none;
}

.compare-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.compare-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.compare-title {
  font-size: 15px;
  font-weight: 600;
}

.compare-period {
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: transparent;
  color: var(--color-text);
  font-size: 12px;
  cursor: pointer;
}

.compare-close {
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: transparent;
  color: var(--color-muted);
  font-size: 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.compare-close:hover {
  color: var(--color-text);
  border-color: rgba(240, 185, 11, 0.45);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 12px;
}

.compare-cell {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.compare-cell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
}

.compare-cell-title {
  font-size: 13px;
  font-weight: 600;
}

.compare-cell-code {
  font-size: 11px;
  color: var(--color-muted);
  margin-left: 6px;
}

.compare-cell-remove {
  padding: 2px 8px;
  border: none;
  background: transparent;
  color: var(--color-muted);
  font-size: 11px;
  cursor: pointer;
  border-radius: 4px;
  transition: color 0.2s ease;
}

.compare-cell-remove:hover {
  color: var(--color-up);
}

.compare-cell-chart {
  flex: 1;
  min-height: 200px;
  position: relative;
}

.compare-cell-error {
  padding: 16px;
  font-size: 12px;
  color: var(--color-up);
  text-align: center;
}