/* ═══════════════════════════════════════════════════════════════
   历史快照 — UI 重设计
   对齐设计系统：单一陶土/琥珀强调 · 数字优先（衬线大数字）· 排版分层
   · 移除硬编码蓝/青/红渐变与彩虹背景，统一语义 token
   · 清理失效的 .metric / .snapshot-table 规则
   ═══════════════════════════════════════════════════════════════ */

.snapshot-layout {
  display: flex;
  gap: 0;
  height: calc(100vh - 60px);
  overflow: hidden;
}

/* 背景继承全局 --bg（温暖纸感 / 炭黑），不再叠加彩虹渐变 */

.snapshot-sidebar {
  width: 300px;
  min-width: 300px;
  border-right: 1px solid var(--border);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.snapshot-sidebar .sidebar-head {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.snapshot-sidebar .sidebar-head h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}
.snapshot-sidebar .sidebar-list {
  flex: 1;
  overflow-y: auto;
}
.snapshot-sidebar .snapshot-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.snapshot-sidebar .snapshot-item:hover {
  background: var(--bg-surface-muted);
}
.snapshot-sidebar .snapshot-item.active {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding-left: 13px;
}
.snapshot-sidebar .snapshot-item .item-date {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 2px;
}
.snapshot-sidebar .snapshot-item .item-meta {
  font-size: 12px;
  color: var(--text-muted);
}
.snapshot-sidebar .snapshot-item .item-total {
  font-size: 13px;
  font-weight: 500;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.snapshot-main {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 20px 24px;
}
.snapshot-main .detail-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}
.snapshot-main .detail-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.snapshot-main .detail-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.snapshot-main .detail-actions select {
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--bg-surface);
  color: var(--text);
}
.snapshot-main .detail-actions button {
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.snapshot-main .detail-actions button:hover {
  background: var(--bg-surface-muted);
}
.snapshot-main .detail-actions button.primary {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
  font-weight: 600;
}
.snapshot-main .detail-actions button.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.snapshot-main .detail-actions button.danger {
  color: var(--danger);
  border-color: var(--danger);
}
.snapshot-main .detail-actions button.danger:hover {
  background: var(--danger-soft);
}

/* ── 概览（日期 + 总资产编辑器）：数字优先 ── */
.detail-summary {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 16px;
}
.detail-summary label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.detail-summary label input {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  background: var(--bg-surface);
  color: var(--text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.detail-summary label input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
}
.detail-summary label:nth-child(2) {
  flex: 1 1 200px;
}
.detail-summary label:nth-child(2) input {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.detail-hint {
  padding: 10px 12px;
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  background: var(--bg-surface-muted);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

.sidebar-foot {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}
.empty-detail {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: var(--text-muted);
  text-align: center;
}
.empty-detail h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--text);
}

@media (max-width: 480px) {
  .snapshot-layout {
    flex-direction: column;
    height: auto;
  }
  .snapshot-sidebar {
    width: 100%;
    min-width: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: min(50vh, 420px);
  }
  .sidebar-list {
    min-height: 120px;
  }
  .sidebar-foot {
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .sidebar-foot .export-block {
    padding: 0;
    border-bottom: none;
  }
  .sidebar-foot .export-block .export-title {
    font-size: 12px;
    margin-bottom: 4px;
  }
  .sidebar-foot .export-block .export-dates {
    margin-bottom: 4px;
    gap: 6px;
  }
  .sidebar-foot .export-block .export-dates label {
    font-size: 10px;
    gap: 2px;
  }
  .sidebar-foot .export-block .export-dates input {
    height: 26px;
    padding: 0 6px;
  }
  .sidebar-foot .export-block .export-btn {
    height: 28px;
    font-size: 12px;
  }
  .sidebar-foot #openAiModal {
    height: 28px;
    font-size: 12px;
  }
  .detail-summary {
    flex-direction: column;
    align-items: stretch;
  }
  .detail-summary label:nth-child(2) {
    flex: 1 1 auto;
  }
}

/* ── 分组 / 拆解面板 ── */
.snapshot-breakdowns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.snapshot-breakdown {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.snapshot-breakdown h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}
.snapshot-breakdown-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto auto auto;
  gap: 8px;
  align-items: center;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  transition: background var(--transition-fast);
}
.snapshot-breakdown-row.pnl-positive,
.detail-table tbody tr.pnl-positive {
  background: var(--danger-soft);
}
.snapshot-breakdown-row.pnl-negative,
.detail-table tbody tr.pnl-negative {
  background: var(--success-soft);
}
.snapshot-breakdown-row.pnl-positive {
  box-shadow: inset 3px 0 0 color-mix(in srgb, var(--danger) 55%, transparent);
}
.snapshot-breakdown-row.pnl-negative {
  box-shadow: inset 3px 0 0 color-mix(in srgb, var(--success) 55%, transparent);
}
.detail-table tbody tr.pnl-positive:hover {
  background: color-mix(in srgb, var(--danger) 14%, var(--bg-surface));
}
.detail-table tbody tr.pnl-negative:hover {
  background: color-mix(in srgb, var(--success) 14%, var(--bg-surface));
}
.snapshot-breakdown-row:last-child {
  border-bottom: none;
}
.snapshot-breakdown-header {
  font-size: 11px;
  padding: 4px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}
.snapshot-breakdown-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.snapshot-breakdown-row .num {
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.snapshot-breakdown-row .muted {
  color: var(--text-muted);
}
.snapshot-breakdown-row .breakdown {
  display: flex;
  gap: 10px;
  font-size: 11px;
}
.breakdown-item {
  display: inline-flex;
  gap: 3px;
  align-items: center;
}
.breakdown-label {
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 500;
  min-width: 24px;
}
@media (max-width: 480px) {
  .snapshot-breakdowns {
    grid-template-columns: 1fr;
  }
}

/* ── AI 分析弹窗 ── */
.ai-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 14, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.ai-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.ai-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: min(600px, 90vw);
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(12px) scale(0.96);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}
.ai-modal-overlay.open .ai-modal {
  transform: translateY(0) scale(1);
}
.ai-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.ai-modal-header h3 {
  margin: 0;
  font-size: 16px;
}
.ai-modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  font-size: 20px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: background var(--transition-fast);
}
.ai-modal-close:hover {
  background: var(--bg-surface-muted);
}
.ai-modal-body {
  padding: 16px 20px;
}
.ai-dates {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}
.ai-dates label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  flex: 1;
}
.ai-dates input {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--bg-surface);
  color: var(--text);
}
.ai-analyze-btn {
  height: 36px;
  padding: 0 16px;
  background: var(--accent);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.ai-analyze-btn:hover {
  background: var(--accent-hover);
}
.quick-questions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.quick-questions button {
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface-muted);
  font-size: 12px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.quick-questions button:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}
.ai-response {
  padding: 12px;
  background: var(--bg-surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ═══════════════════════════════════════════════════════════════
   深色模式 — 深色奢华金融科技：琥珀金单一强调，移除青/蓝
   ═══════════════════════════════════════════════════════════════ */
:root[data-theme="dark"] .snapshot-sidebar {
  background: var(--bg-surface);
  border-right-color: var(--border);
}

:root[data-theme="dark"] .snapshot-main {
  background: transparent;
}

:root[data-theme="dark"] .sidebar-head,
:root[data-theme="dark"] .sidebar-foot,
:root[data-theme="dark"] .snapshot-item,
:root[data-theme="dark"] .snapshot-breakdown-row,
:root[data-theme="dark"] .snapshot-breakdown-header,
:root[data-theme="dark"] .ai-modal-header {
  border-color: var(--border);
}

:root[data-theme="dark"] .snapshot-item:hover {
  background: var(--bg-surface-muted);
}

:root[data-theme="dark"] .snapshot-item.active {
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

:root[data-theme="dark"] .snapshot-breakdown {
  background: var(--bg-surface);
  border-color: var(--border);
}

:root[data-theme="dark"] .snapshot-main .detail-actions button,
:root[data-theme="dark"] .snapshot-main .detail-actions select {
  background: var(--bg-surface-muted);
  border-color: var(--border);
  color: var(--text);
}

:root[data-theme="dark"] .snapshot-main .detail-actions button.primary,
:root[data-theme="dark"] .ai-analyze-btn,
:root[data-theme="dark"] .sort-panel-footer button.primary {
  background: var(--accent);
  border-color: transparent;
  color: var(--text-inverse);
}

:root[data-theme="dark"] .snapshot-main .detail-actions button.danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 48%, transparent);
}

:root[data-theme="dark"] .detail-hint,
:root[data-theme="dark"] .table-wrap,
:root[data-theme="dark"] .sort-panel,
:root[data-theme="dark"] .ai-response {
  background: var(--bg-surface-muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
}

:root[data-theme="dark"] .detail-hint {
  padding: 10px 12px;
  margin-bottom: 14px;
}

:root[data-theme="dark"] .table-wrap {
  overflow: auto;
}

:root[data-theme="dark"] .detail-table {
  color: var(--text);
}

:root[data-theme="dark"] .detail-table th {
  color: var(--accent-soft);
  background: var(--table-head-bg);
  border-bottom-color: var(--border-strong);
}

:root[data-theme="dark"] .detail-table td {
  border-bottom-color: var(--border);
}

:root[data-theme="dark"] .detail-table tr:hover {
  background: var(--bg-surface-muted);
}

:root[data-theme="dark"] .detail-table tbody tr.pnl-positive:hover {
  background: color-mix(in srgb, var(--danger) 18%, var(--bg-surface));
}

:root[data-theme="dark"] .detail-table tbody tr.pnl-negative:hover {
  background: color-mix(in srgb, var(--success) 18%, var(--bg-surface));
}

:root[data-theme="dark"] .snapshot-sidebar .item-date,
:root[data-theme="dark"] .snapshot-sidebar .item-total,
:root[data-theme="dark"] .snapshot-main .detail-head h2,
:root[data-theme="dark"] .snapshot-breakdown h3,
:root[data-theme="dark"] .snapshot-breakdown-row strong,
:root[data-theme="dark"] .empty-detail h3,
:root[data-theme="dark"] .ai-modal-header h3,
:root[data-theme="dark"] .ai-response-header h4 {
  color: var(--text);
}

:root[data-theme="dark"] .snapshot-sidebar .item-meta,
:root[data-theme="dark"] .detail-summary label,
:root[data-theme="dark"] .snapshot-breakdown-row .muted,
:root[data-theme="dark"] .breakdown-label,
:root[data-theme="dark"] .empty-detail,
:root[data-theme="dark"] .ai-meta,
:root[data-theme="dark"] .sort-panel-empty {
  color: var(--text-muted);
}

:root[data-theme="dark"] .sort-panel {
  position: absolute;
  z-index: 20;
  min-width: 320px;
  padding: 12px;
  box-shadow: var(--shadow-xl);
}

:root[data-theme="dark"] .sort-panel-header,
:root[data-theme="dark"] .sort-rule-row,
:root[data-theme="dark"] .sort-panel-footer {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

:root[data-theme="dark"] .sort-panel-title {
  color: var(--text);
  font-weight: 700;
}

:root[data-theme="dark"] .sort-panel-link,
:root[data-theme="dark"] .sort-badge {
  color: var(--accent);
}

/* ── 导出区块 ── */
.export-block {
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
}
.export-block .export-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}
.export-block .export-dates {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.export-block .export-dates label {
  display: flex;
  flex-direction: column;
  font-size: 11px;
  color: var(--text-muted);
  gap: 3px;
  flex: 1;
}
.export-block .export-dates input {
  height: 30px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  background: var(--bg-surface);
  color: var(--text);
}
.export-block .export-btn {
  width: 100%;
  height: 34px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: background var(--transition-fast);
}
.export-block .export-btn:hover {
  background: var(--accent-soft);
}

:root[data-theme="dark"] .export-block .export-dates input,
:root[data-theme="dark"] .export-block .export-btn {
  background: var(--bg-surface-muted);
  border-color: var(--border);
  color: var(--text);
}
:root[data-theme="dark"] .export-block .export-btn {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}