/* ==========================================================================
   纳指 ETF 溢价差轮动研究系统 - 专业量化暗色主题样式表 (dashboard.css)
   设计风格：沉浸式深空暗夜基底、荧光青与霓虹翡翠点缀、玻璃拟态卡片、高密度金融看板排版
   ========================================================================== */

:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: rgba(18, 27, 46, 0.75);
  --bg-card-hover: rgba(28, 41, 68, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-color: rgba(51, 65, 85, 0.45);
  --border-highlight: rgba(56, 189, 248, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #06b6d4;
  --accent-blue: #38bdf8;
  --accent-purple: #818cf8;
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-rose: #f43f5e;
  --accent-rose-glow: rgba(244, 63, 94, 0.25);
  --accent-amber: #f59e0b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, "SF Mono", Menlo, monospace;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.25);
  --shadow-glow-emerald: 0 0 20px rgba(16, 185, 129, 0.25);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(14, 165, 233, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(129, 140, 248, 0.06) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(15, 23, 42, 0.95) 0px, var(--bg-primary) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 顶部全景导航条 */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  padding: 3px;
  box-sizing: border-box;
  background:
    radial-gradient(circle at 30% 25%, rgba(56, 189, 248, 0.16), transparent 65%),
    linear-gradient(135deg, rgba(56, 189, 248, 0.12), rgba(244, 63, 94, 0.12));
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-cyan);
}

.brand-logo svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff, var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.nav-links {
  flex: 1;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.4rem 0.5rem;
  min-width: 0;
  padding: 0 1rem;
}

.nav-item {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.nav-item:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.3);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.badge-live {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* 主内容容器 */
.app-container {
  max-width: 1600px;
  margin: 1.5rem auto;
  padding: 0 1.5rem 3rem 1.5rem;
}

/* 警示与口径公告栏 */
.disclaimer-banner {
  background: rgba(15, 23, 42, 0.8);
  border-left: 4px solid var(--accent-cyan);
  border-radius: 0 8px 8px 0;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.disclaimer-banner strong {
  color: var(--text-primary);
}

/* 模块容器卡片 */
.module-section {
  display: none;
  animation: fadeIn 0.3s ease;
}

.module-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 1.5rem;
}

.card:hover {
  border-color: var(--border-highlight);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.color-emerald { color: var(--accent-emerald); }
.color-rose { color: var(--accent-rose); }
.color-cyan { color: var(--accent-cyan); }
.color-amber { color: var(--accent-amber); }

/* 按钮通用体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  outline: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
  box-shadow: 0 2px 10px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.45);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.8);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.8);
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.3);
}

.btn-danger:hover {
  background: rgba(244, 63, 94, 0.25);
}

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.775rem;
}

/* 进度条与实时通知 */
.progress-container {
  background: rgba(30, 41, 59, 0.6);
  border-radius: 9999px;
  height: 8px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-emerald));
  transition: width 0.3s ease;
  border-radius: 9999px;
}

/* 表格通用风格 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.quant-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
  text-align: left;
}

.quant-table th {
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  user-select: none;
  cursor: pointer;
  transition: color 0.15s ease;
}

.quant-table th:hover {
  color: var(--accent-cyan);
}

/* 可排序列头 (66 组配对排名矩阵)：未激活列淡显双向箭头提示可点，激活列高亮并显示方向 */
.quant-table th .sort-indicator {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.7rem;
  opacity: 0.3;
  transition: opacity 0.15s ease;
}

.quant-table th.sortable:hover .sort-indicator {
  opacity: 0.75;
}

.quant-table th.sort-active {
  color: var(--accent-cyan);
}

.quant-table th.sort-active .sort-indicator {
  opacity: 1;
}

.quant-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(51, 65, 85, 0.25);
  white-space: nowrap;
  font-family: var(--font-mono);
}

.quant-table tbody tr {
  transition: background-color 0.15s ease;
}

.quant-table tbody tr:hover {
  background-color: var(--bg-card-hover);
}

.quant-table tr.row-active {
  background-color: rgba(6, 182, 212, 0.12);
  border-left: 3px solid var(--accent-cyan);
}

/* 推荐卡片网格 (Module D) */
.rec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.rec-card {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  position: relative;
  transition: all 0.25s ease;
}

.rec-card.triggered {
  border-color: var(--accent-emerald);
  box-shadow: var(--shadow-glow-emerald);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(15, 23, 42, 0.85) 100%);
}

.rec-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.rec-badge-triggered {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  border: 1px solid var(--accent-emerald);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.rec-badge-hold {
  background: rgba(100, 116, 139, 0.2);
  color: var(--text-muted);
  border: 1px solid rgba(100, 116, 139, 0.3);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.rec-metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 0.5rem;
  margin: 0.75rem 0;
  padding: 0.6rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 6px;
  text-align: center;
}

.rec-metric-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

.rec-reason-box {
  background: rgba(30, 41, 59, 0.4);
  border-left: 3px solid var(--accent-blue);
  padding: 0.5rem 0.75rem;
  border-radius: 0 4px 4px 0;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.6rem;
}

.rec-risk-box {
  background: rgba(244, 63, 94, 0.08);
  border-left: 3px solid var(--accent-rose);
  padding: 0.5rem 0.75rem;
  border-radius: 0 4px 4px 0;
  font-size: 0.75rem;
  color: #fda4af;
  margin-top: 0.4rem;
}

/* 图表画布容器 (Module E) */
.chart-box {
  position: relative;
  width: 100%;
  height: 380px;
  background: rgba(11, 17, 32, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.chart-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Y 轴（价格刻度）缩放反馈气泡：拖动/滚轮时显示「放大/缩小 ×倍率 · 量程」，
   松手后淡出。pointer-events:none 不抢拖拽事件。 */
.yzoom-hud {
  position: absolute;
  top: 10px;
  right: 56px;
  z-index: 4;
  padding: 4px 9px;
  border-radius: 7px;
  font: 600 11px/1.35 "JetBrains Mono", monospace;
  letter-spacing: 0.2px;
  color: #e2e8f0;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(56, 189, 248, 0.45);
  box-shadow: 0 6px 18px rgba(2, 6, 23, 0.55);
  pointer-events: none;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.96);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.yzoom-hud.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* 拖动中呼吸光晕：明确「当前正在缩放」，松手即停 */
.yzoom-hud.dragging {
  animation: yzoomPulse 1.15s ease-in-out infinite;
}

@keyframes yzoomPulse {
  0%, 100% {
    box-shadow: 0 6px 18px rgba(2, 6, 23, .55), 0 0 0 0 rgba(56, 189, 248, .38);
  }
  50% {
    box-shadow: 0 6px 18px rgba(2, 6, 23, .55), 0 0 0 7px rgba(56, 189, 248, 0);
  }
}

.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid var(--accent-cyan);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  z-index: 10;
  display: none;
}

/* 表单输入与配置 */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.55rem 0.85rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

/* 权重滑块容器 */
.slider-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.slider-input {
  flex: 1;
  accent-color: var(--accent-cyan);
}

.slider-val {
  min-width: 48px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-cyan);
  text-align: right;
}

/* 日志控制台 (Module G) */
.log-console {
  background: #060911;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  height: 350px;
  overflow-y: auto;
  color: #cbd5e1;
}

.log-line {
  margin-bottom: 0.35rem;
  line-height: 1.4;
}

.log-time { color: var(--text-muted); }
.log-level-INFO { color: var(--accent-cyan); font-weight: 600; }
.log-level-WARNING { color: var(--accent-amber); font-weight: 600; }
.log-level-ERROR { color: var(--accent-rose); font-weight: 600; }

/* 模态框 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  visibility: hidden;
  opacity: 0;
  transition: all 0.2s ease;
}

.modal-overlay.open {
  visibility: visible;
  opacity: 1;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 90%;
  max-width: 650px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
}

/* Toast 提示 */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-highlight);
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  color: var(--text-primary);
  font-size: 0.85rem;
  box-shadow: var(--shadow-md);
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   Module E：可编辑调仓阈值条（L / H，默认 20%/80% 分位自适应）
   ========================================================================== */
.threshold-bar {
  background: rgba(11, 17, 32, 0.55);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 1.1rem;
}

.threshold-bar-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.threshold-bar-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.threshold-mode-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
}

.threshold-mode-badge.mode-auto {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.35);
}

.threshold-mode-badge.mode-manual {
  background: rgba(245, 158, 11, 0.16);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.45);
}

.threshold-fields {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 0.7rem;
}

.threshold-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.threshold-field-name {
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.threshold-field-input {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.threshold-input {
  width: 104px;
  padding: 0.35rem 1.6rem 0.35rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: right;
}

.threshold-input.is-manual {
  border-color: var(--accent-amber);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.18);
}

.threshold-field-unit {
  position: absolute;
  right: 0.55rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  pointer-events: none;
}

.threshold-quantile-hint {
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  background: rgba(6, 182, 212, 0.08);
  border: 1px dashed rgba(6, 182, 212, 0.35);
}

.threshold-quantile-hint strong {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.threshold-tip {
  margin-top: 0.7rem;
  font-size: 0.74rem;
  line-height: 1.55;
  color: var(--text-muted);
  border-top: 1px solid rgba(51, 65, 85, 0.3);
  padding-top: 0.6rem;
}

.threshold-tip strong {
  color: var(--accent-cyan);
}

/* 「执行回测」的进行中状态：点击后必须立刻有可见反馈，
   否则用户会以为按钮没生效（历史问题：点了没反应）。 */
.btn.is-loading {
  opacity: 0.75;
  cursor: progress;
}

/* 回测结果状态行：明确告知当前结果按哪一组阈值算得，以及是否需要重算 */
.study-result-meta {
  display: none;
  font-size: 0.78rem;
  line-height: 1.6;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}

.study-result-meta strong {
  font-family: var(--font-mono);
}

.study-result-meta.meta-ok {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--text-secondary);
}

.study-result-meta.meta-ok strong {
  color: var(--accent-emerald);
}

.study-result-meta.meta-stale {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.38);
  color: var(--accent-amber);
}

.study-result-meta.meta-stale strong {
  color: var(--accent-amber);
}

.study-result-meta.meta-error {
  background: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.45);
  color: var(--accent-rose);
}

.study-result-meta.meta-error strong,
.study-result-meta.meta-error b {
  color: var(--accent-rose);
}

/* ==========================================================================
   Module D：口径说明折叠面板
   ========================================================================== */
.rec-guide {
  background: rgba(11, 17, 32, 0.55);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.rec-guide > summary {
  cursor: pointer;
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-blue);
  list-style: none;
  user-select: none;
}

.rec-guide > summary::-webkit-details-marker { display: none; }
.rec-guide > summary::before {
  content: "▸ ";
  display: inline-block;
  transition: transform 0.15s ease;
}
.rec-guide[open] > summary::before { content: "▾ "; }

.rec-guide > summary:hover { background: rgba(56, 189, 248, 0.06); }

.rec-guide-body {
  padding: 0.25rem 1.1rem 1rem;
  border-top: 1px solid rgba(51, 65, 85, 0.35);
}

.rec-guide-block { margin-top: 0.85rem; }

.rec-guide-h {
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.rec-guide-body p {
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.rec-guide-body code {
  background: rgba(0, 0, 0, 0.35);
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--accent-cyan);
}

.rec-formula {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid var(--accent-amber);
  border-radius: 0 6px 6px 0;
  padding: 0.45rem 0.75rem;
  margin: 0.4rem 0 0.5rem;
}

.rec-guide-list {
  list-style: none;
  padding: 0;
  margin: 0.2rem 0 0;
}

.rec-guide-list li {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  padding-left: 0.2rem;
}

.rec-guide-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  margin-right: 0.4rem;
}

.tag-trigger {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.tag-hold {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.4);
}

.tag-mid {
  background: rgba(245, 158, 11, 0.16);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.tag-insufficient {
  background: rgba(148, 163, 184, 0.16);
  color: var(--text-secondary);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.rec-guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.76rem;
  margin-top: 0.35rem;
}

.rec-guide-table td {
  padding: 0.38rem 0.5rem;
  border-bottom: 1px solid rgba(51, 65, 85, 0.25);
  color: var(--text-secondary);
  vertical-align: top;
}

.rec-guide-table td:first-child {
  width: 190px;
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* ==========================================================================
   Module D：溢价差相对 L / H 的坐标定位标尺
   ========================================================================== */
.spread-gauge { margin: 0.6rem 0 0.15rem; }

.spread-gauge-caption {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
}

.spread-gauge-track {
  position: relative;
  height: 26px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.32);
  border: 1px solid var(--border-color);
  margin: 14px 0 18px;
}

.sg-zone {
  position: absolute;
  top: 0;
  bottom: 0;
}

.sg-zone-hold {
  background: rgba(6, 182, 212, 0.20);
  border-radius: 6px 0 0 6px;
}

.sg-zone-mid { background: rgba(148, 163, 184, 0.12); }

.sg-zone-trigger {
  background: rgba(16, 185, 129, 0.22);
  border-radius: 0 6px 6px 0;
}

.sg-threshold {
  position: absolute;
  top: -6px;
  bottom: -6px;
  width: 2px;
  transform: translateX(-50%);
}

.sg-threshold-l { background: var(--accent-cyan); }
.sg-threshold-h { background: var(--accent-amber); }

.sg-threshold > span {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.66rem;
  font-family: var(--font-mono);
  font-weight: 700;
  white-space: nowrap;
}

.sg-threshold-l > span { color: var(--accent-cyan); }
.sg-threshold-h > span { color: var(--accent-amber); }

.sg-cursor {
  position: absolute;
  top: -5px;
  bottom: -5px;
  width: 3px;
  border-radius: 2px;
  transform: translateX(-50%);
  background: #f8fafc;
  box-shadow: 0 0 8px rgba(248, 250, 252, 0.75);
}

.sg-cursor > span {
  position: absolute;
  bottom: -17px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  font-family: var(--font-mono);
  font-weight: 700;
  white-space: nowrap;
  padding: 0 0.25rem;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-color);
}

.sg-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.sg-legend-item { display: inline-flex; align-items: center; gap: 0.3rem; }

.sg-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  display: inline-block;
}

.sg-dot-hold { background: rgba(6, 182, 212, 0.55); }
.sg-dot-mid { background: rgba(148, 163, 184, 0.45); }
.sg-dot-trigger { background: rgba(16, 185, 129, 0.7); }
.sg-dot-cursor { background: #f8fafc; }

.sg-na {
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.35rem 0.6rem;
  border: 1px dashed var(--border-color);
  border-radius: 6px;
  text-align: center;
  font-family: var(--font-mono);
}

/* ---------- 模块 D：持仓角色开关（L 标的 / H 标的） ---------- */
.role-switch-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.role-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex: 0 0 auto;
  cursor: pointer;
}

.role-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.role-slider {
  position: absolute;
  inset: 0;
  background: #334155;
  border-radius: 999px;
  transition: background 0.2s ease;
}

.role-slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  top: 3px;
  background: #f8fafc;
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.role-switch input:checked + .role-slider { background: var(--accent-cyan, #06b6d4); }
.role-switch input:checked + .role-slider::before { transform: translateX(20px); }
.role-switch input:focus-visible + .role-slider { outline: 2px solid var(--accent-cyan, #06b6d4); outline-offset: 2px; }

.role-switch-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.role-switch-text strong { color: var(--text-primary); }

/* ==========================================================================
   用户模块：顶栏用户区 / 登录弹窗 / 权限徽章
   ========================================================================== */
.user-area {
  display: flex;
  align-items: center;
  position: relative;
  flex: 0 0 auto;
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.15s;
}
.user-chip:hover { border-color: var(--accent-cyan); }
.user-avatar {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: #fff;
}
.user-name { font-size: 0.8rem; color: var(--text-primary); font-weight: 600; }
.user-role {
  font-size: 0.65rem; padding: 0.1rem 0.45rem; border-radius: 999px;
}
.user-role.role-user { background: rgba(148,163,184,0.15); color: #94a3b8; }
.user-role.role-vip { background: rgba(245,158,11,0.16); color: #f59e0b; }
.user-role.role-admin { background: rgba(56,189,248,0.16); color: #38bdf8; }
.user-caret { font-size: 0.65rem; color: var(--text-muted); }
.user-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 150px;
  background: var(--bg-card, #111a2e);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.35rem;
  z-index: 300;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.user-menu button {
  display: block; width: 100%;
  text-align: left;
  background: none; border: none;
  padding: 0.45rem 0.65rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
}
.user-menu button:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }
.user-menu button.danger { color: #f43f5e; }

.auth-tabs { display: flex; align-items: center; }
.auth-tab {
  background: none; border: none;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.auth-tab.active { color: var(--accent-cyan); border-bottom-color: var(--accent-cyan); font-weight: 600; }
.auth-close {
  background: none; border: none;
  color: var(--text-muted); font-size: 0.9rem;
  cursor: pointer; padding: 0.2rem 0.4rem;
}
.auth-close:hover { color: var(--text-primary); }
.auth-error {
  background: rgba(244,63,94,0.12);
  border: 1px solid rgba(244,63,94,0.4);
  color: #f43f5e;
  font-size: 0.78rem;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 0.6rem;
}

/* ==========================================================================
   推送模块（#push）
   ========================================================================== */
.push-token-box {
  border: 1px dashed var(--border-color);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.push-token-line {
  display: flex; align-items: center; gap: 0.65rem; flex-wrap: wrap;
  font-size: 0.82rem;
}
.push-token-line code { color: var(--accent-amber); font-family: var(--font-mono); }
.push-rule-card {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.6rem;
  background: rgba(255,255,255,0.02);
}
.push-rule-head {
  display: flex; justify-content: space-between; align-items: center; gap: 0.75rem;
}
.push-rule-title {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.88rem; color: var(--text-primary);
}
.push-rule-title i {
  width: 10px; height: 10px; border-radius: 3px; display: inline-block;
}
.push-rule-arrow { color: var(--text-muted); margin: 0 0.15rem; }
.push-rule-body {
  display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
  margin-top: 0.55rem;
  font-size: 0.78rem; color: var(--text-secondary);
}
.push-rule-state { font-size: 0.74rem; }
.push-rule-state.armed { color: #f59e0b; }
.push-rule-state.fired { color: #10b981; }
.push-rule-new {
  display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap;
  margin-top: 0.9rem;
  border-top: 1px dashed var(--border-color);
  padding-top: 0.9rem;
}
.push-empty {
  font-size: 0.8rem; color: var(--text-muted);
  padding: 0.9rem;
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  text-align: center;
}
.push-ok { color: #10b981; font-weight: 600; }
.push-fail { color: #f43f5e; font-weight: 600; }
/* iOS 式开关（推送规则启用/停用） */
.push-switch { position: relative; display: inline-block; width: 38px; height: 21px; flex: none; }
.push-switch input { opacity: 0; width: 0; height: 0; }
.push-switch span {
  position: absolute; inset: 0;
  background: rgba(148,163,184,0.3);
  border-radius: 999px;
  transition: background 0.18s;
}
.push-switch span::before {
  content: "";
  position: absolute; left: 3px; top: 3px;
  width: 15px; height: 15px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.18s;
}
.push-switch input:checked + span { background: var(--accent-emerald, #10b981); }
.push-switch input:checked + span::before { transform: translateX(17px); }

/* ---------- 模块 D：卡片降噪（2026-10-28） ---------- */
/* 标尺图例：抽到卡片外，页面级只渲染一次 */
.rec-gauge-legend {
  display: none;               /* 由 app.js 渲染成功后置为 flex */
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.1rem;
  font-size: 0.74rem;
  color: var(--text-secondary);
  padding: 0.45rem 0.8rem;
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  margin-bottom: 0.9rem;
  background: rgba(255, 255, 255, 0.02);
}

.rec-gauge-legend-title { color: var(--text-muted); }

/* 判定依据压缩为单行；决策依据/风险警示移入 hover title */
.rec-verdict-line {
  font-size: 0.76rem;
  color: #94a3b8;
  margin: 0.55rem 0 0;
  padding: 0.45rem 0.6rem;
  background: rgba(0, 0, 0, 0.22);
  border-radius: 6px;
  line-height: 1.5;
  cursor: help;
}

.rec-info-dot {
  color: var(--accent-cyan, #06b6d4);
  font-weight: 700;
  margin-left: 0.3rem;
  cursor: help;
}


/* ============================================================== */
/* 模块 A2: 溢价波动监控 (premium.js) — 与全站风格一致           */
/* ============================================================== */

.premium-viewtabs {
  display: flex;
  gap: 0.5rem;
}

.premium-viewtabs .pv-tab {
  padding: 0.45rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font-sans);
}

.premium-viewtabs .pv-tab:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.premium-viewtabs .pv-tab.active {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #0b1120;
}

.premium-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
  background: rgba(11, 17, 32, 0.45);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.premium-ctl {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.premium-ctl-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.premium-seg {
  display: inline-flex;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.6);
}

.premium-seg button {
  border: 0;
  background: transparent;
  padding: 0.38rem 0.9rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.premium-seg button:hover {
  color: var(--accent-cyan);
}

.premium-seg button.active {
  background: rgba(56, 189, 248, 0.16);
  color: var(--accent-cyan);
  font-weight: 700;
}

.premium-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.premium-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.8rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.premium-chip i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-muted);
  flex: none;
}

.premium-chip:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.premium-chip.on {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
  background: rgba(56, 189, 248, 0.12);
}

.premium-chip.premium-chip-op {
  border-style: dashed;
  font-family: var(--font-sans);
}

.premium-statusbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding: 0.7rem 1rem;
  margin-bottom: 0.75rem;
  background: rgba(11, 17, 32, 0.45);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.premium-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.7rem;
  font-size: 0.74rem;
  color: var(--text-secondary);
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  white-space: nowrap;
}

.premium-pill b {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 600;
}

.premium-status-text {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.premium-status-text.st-ok { color: #10b981; }
.premium-status-text.st-busy { color: #f59e0b; }
.premium-status-text.st-err { color: #f43f5e; }

.premium-notes {
  margin-top: 0.85rem;
  padding: 0.75rem 1rem;
  font-size: 0.72rem;
  line-height: 1.75;
  color: var(--text-muted);
  background: rgba(11, 17, 32, 0.4);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
}

.premium-notes code {
  background: rgba(56, 189, 248, 0.1);
  padding: 0 0.3rem;
  border-radius: 4px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

/* 分时图的采样充分性提示（区分「没数据」与「数据只有一个值」） */
.premium-hint {
  margin: 0.6rem 0 0.9rem;
  padding: 0.6rem 0.9rem;
  font-size: 0.76rem;
  line-height: 1.7;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: rgba(11, 17, 32, 0.55);
}

.premium-hint.ph-warn {
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.08);
}

.premium-hint.ph-info {
  color: var(--text-secondary);
}

/* 划段区间统计面板（图表下方，拖拽选区后出现） */
.premium-selstat {
  margin: 0.6rem 0 0.4rem;
  padding: 0.65rem 0.9rem;
  font-size: 0.76rem;
  line-height: 1.8;
  border-radius: 8px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.06);
}

.premium-selstat > div {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   数据采集定时任务（数据管理页顶部）
   ========================================================================== */
.sched-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.sched-item {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  background: rgba(11, 17, 32, 0.45);
}

.sched-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.sched-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.sched-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.76rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.sched-toggle input {
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.sched-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin: 0.35rem 0 0.65rem;
  line-height: 1.5;
}

.sched-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.sched-label {
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.sched-time {
  width: 118px;
  padding: 0.28rem 0.5rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.sched-meta {
  margin-top: 0.6rem;
  font-size: 0.74rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.sched-meta b {
  color: var(--text-primary);
  font-weight: 600;
}

.sched-meta .st-ok { color: var(--accent-emerald); font-weight: 600; }
.sched-meta .st-partial { color: var(--accent-amber); font-weight: 600; }
.sched-meta .st-failed { color: var(--accent-rose); font-weight: 600; }
.sched-meta .st-idle { color: var(--text-muted); }

.sched-msg {
  margin-top: 0.3rem;
  padding-left: 0.55rem;
  border-left: 2px solid var(--border-color);
  color: var(--text-muted);
  word-break: break-all;
}

.sched-foot {
  margin-top: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.sched-foot b {
  color: var(--text-secondary);
}

/* ==========================================================================
   时间窗口选择器：60 / 120 / 250 / 全历史 + 自定义日期区间（daterange.js）
   与全站卡片同源：深色玻璃底 + --border-color 描边 + 青色强调色
   ========================================================================== */
.range-custom-btn {
  white-space: nowrap;
}

/* 分段按钮组里的自定义按钮：与左右邻居同一套内边距与字号 */
.premium-seg .range-custom-btn {
  border-left: 1px solid var(--border-color);
  font-variant-numeric: tabular-nums;
}

.premium-seg .range-custom-btn.active {
  background: rgba(56, 189, 248, 0.16);
  color: var(--accent-cyan);
  font-weight: 700;
}

.range-pop {
  position: fixed;
  z-index: 4000;
  width: 332px;
  padding: 0.85rem 0.95rem 0.9rem;
  background: linear-gradient(160deg, rgba(17, 26, 45, 0.98), rgba(12, 19, 34, 0.98));
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: 0 18px 46px rgba(2, 6, 23, 0.72), 0 0 0 1px rgba(56, 189, 248, 0.06);
  backdrop-filter: blur(10px);
  color: var(--text-secondary);
  font-family: var(--font-sans);
}

.range-pop-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.7rem;
}

.range-pop-title {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.range-pop-close {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1;
  padding: 0.15rem 0.3rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.range-pop-close:hover {
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.12);
}

.range-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.range-quick-btn {
  border: 1px solid var(--border-color);
  background: rgba(30, 41, 59, 0.55);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-family: var(--font-sans);
  padding: 0.24rem 0.55rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.range-quick-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--border-highlight);
  background: rgba(56, 189, 248, 0.12);
}

.range-fields {
  display: flex;
  align-items: flex-end;
  gap: 0.45rem;
}

.range-field {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.range-field-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.range-tilde {
  color: var(--text-muted);
  font-size: 0.8rem;
  padding-bottom: 0.45rem;
}

/* 日期输入：跟随深色主题（color-scheme 让原生日历图标不再是黑块） */
input.range-date {
  color-scheme: dark;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.5rem;
  background: rgba(9, 13, 22, 0.85);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 100%;
}

input.range-date::-webkit-calendar-picker-indicator {
  filter: invert(0.75) sepia(0.15) saturate(3) hue-rotate(160deg);
  cursor: pointer;
  opacity: 0.85;
}

input.range-date::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

input.range-date:focus {
  outline: none;
  border-color: var(--border-highlight);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.14);
}

.range-hint {
  min-height: 1rem;
  margin: 0.5rem 0 0.15rem;
  font-size: 0.7rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.range-hint.is-error {
  color: var(--accent-rose);
  font-weight: 600;
}

.range-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.55rem;
}

/* 标的 chips 分组强制换行：159* 一行、513* 一行（组间插入，占满整行高度为 0） */
.premium-chip-break {
  flex-basis: 100%;
  height: 0;
}

/* ==========================================================================
   单对回测关键绩效指标（模块 E）：7 枚 KPI 瓷砖
   注：昨日移除总览看板时误删了这套样式，但模块 E 仍引用 → 补回（风格与全站卡片同源）
   ========================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(122px, 1fr));
  gap: 0.7rem;
}

.kpi-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.7rem 0.8rem 0.75rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.kpi-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
}

.kpi-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  margin-bottom: 0.3rem;
  white-space: nowrap;
}

.kpi-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}