:root {
  --bg: #0b0e17;
  --card: #151a2b;
  --card2: #1b2237;
  --border: #252d45;
  --text: #dce1ec;
  --muted: #7a8499;
  --accent: #00d4aa;
  --accent-dim: #0a3d5c;
  --red: #ff5b6a;
  --green: #2ed573;
  --amber: #ffa502;
}

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

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  font-size: 14px;
  display: flex;
  flex-direction: column;
}

/* ── 顶栏 ── */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  white-space: nowrap;
}
.tabs { display: flex; gap: 4px; }
.tab {
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}
.tab:hover { color: var(--text); border-color: var(--accent); }
.tab.active { color: #fff; background: var(--accent-dim); border-color: var(--accent); }
.meta { margin-left: auto; font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ── 面板 ── */
main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 16px 24px 0;
  max-width: 1680px;
  margin: 0 auto;
  width: 100%;
}
.panel { display: none; }
.panel.active { display: block; }

/* 个股监控 / 板块概览：表格占满剩余高度，页面底部不留白 */
#panel-watch.active, #panel-sector.active {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
#panel-watch .table-wrap, #panel-sector .table-wrap {
  flex: 1;
  min-height: 0;
  max-height: none;
}
/* 表格本体铺满滚动区域高度：行少时框架也延伸到页面底部 */
#panel-sector .table-wrap > table {
  min-height: 100%;
}

/* ── 工具栏 ── */
.toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.toolbar input[type="text"], .toolbar select {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
}
.toolbar input[type="text"] { width: 280px; }
.toolbar input[type="text"]:focus, .toolbar select:focus { border-color: var(--accent); }
.toolbar select option { background: var(--card); }
.btn {
  padding: 8px 16px;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent-dim); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #0d4d5c; }
.btn.on { border-color: var(--accent); color: var(--accent); }
.count { font-size: 12px; color: var(--muted); }

/* ── 表格 ── */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: auto;
  max-height: calc(100vh - 210px);
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  position: sticky;
  top: 0;
  background: var(--card2);
  color: var(--text);
  padding: 10px 12px;
  text-align: right;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
  z-index: 2;
}
thead th:first-child, thead th:nth-child(2) { text-align: left; }
thead th.col-star { text-align: center; width: 36px; }
thead th.sortable { cursor: pointer; user-select: none; }
thead th.sortable:hover { color: var(--accent); }
thead th.sorted { color: var(--accent); }
thead th .arrow { font-size: 10px; margin-left: 3px; }

tbody td {
  padding: 8px 12px;
  text-align: right;
  border-bottom: 1px solid #1e2539;
  white-space: nowrap;
}
tbody td:first-child, tbody td:nth-child(2) { text-align: left; }
tbody td.col-star { text-align: center; }
tbody tr:hover td { background: #1a2135; }
tbody tr:nth-child(even) td { background: rgba(255,255,255,0.012); }
tbody tr:nth-child(even):hover td { background: #1a2135; }

.code-link { color: var(--accent); cursor: pointer; font-family: Consolas, monospace; }
.code-link:hover { text-decoration: underline; }
.name { color: var(--text); }
.board-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  background: #23304d;
  color: #9fb6e8;
}

.fav-btn { background: none; border: none; cursor: pointer; font-size: 15px; color: #3a4466; }
.fav-btn.on { color: var(--amber); }

.up { color: var(--red); }
.down { color: var(--green); }
.flat { color: var(--muted); }
.num-col { font-family: Consolas, "Courier New", monospace; }
th.num, td.num { text-align: right !important; }
.roe-high { color: var(--accent); }
.score-hi { color: var(--accent); font-weight: 700; }
.score-mid { color: var(--text); font-weight: 700; }
.score-lo { color: var(--muted); font-weight: 700; }
.muted { color: var(--muted); }

/* ── 指标筛选行 ── */
#watchFilterRow td {
  position: sticky;
  z-index: 3;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 6px 6px;
  text-align: right;
  white-space: nowrap;
  vertical-align: middle;
}
.f-empty { padding: 0 !important; }
.f-cell input {
  width: 54px;
  box-sizing: border-box;
  padding: 4px 6px;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 12px;
  font-family: Consolas, "Courier New", monospace;
  outline: none;
}
.f-cell input:focus { border-color: var(--accent); }
.f-min { margin-right: 3px; }

/* ── 个股监控虚拟滚动（行高 36px，与 app.js ROW_H 一致）── */
#watchTable tbody tr { height: 36px; }
#watchTable tbody tr.vspacer td {
  padding: 0;
  border: none;
  background: transparent;
}

/* ── K线 ── */
.kline-toolbar { position: relative; }
.kline-input-wrap { position: relative; }
.kline-input-wrap input { width: 320px; }
.kline-title { font-size: 15px; color: var(--accent); font-weight: 600; margin-left: 8px; }
.suggest {
  position: absolute;
  top: 110%;
  left: 0;
  width: 320px;
  max-height: 280px;
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  z-index: 50;
  display: none;
}
.suggest.show { display: block; }
.suggest .item { padding: 8px 12px; cursor: pointer; font-size: 13px; }
.suggest .item:hover { background: #1a2135; }
.suggest .item .s-code { color: var(--accent); font-family: Consolas, monospace; margin-right: 8px; }
.suggest .item .s-board { color: var(--muted); float: right; font-size: 12px; }

.kline-charts { display: flex; flex-direction: column; gap: 14px; }
.kline-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.kline-label {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  background: var(--card2);
}
.chart { width: 100%; height: 460px; }

/* ── 因子研究 ── */
.fmode .toolbar { display: flex; flex-wrap: wrap; }
.factor-charts .kline-label select {
  float: right;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
}
.weight-item .w-dir {
  font-size: 10px;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 3px;
  padding: 0 3px;
  margin-left: 3px;
}
.weight-item .w-dir.neg { color: var(--muted); border-color: var(--border); }
.factor-quant-table .sel td { background: var(--accent-dim) !important; }
.factor-quant-table tbody tr { cursor: pointer; }
.factor-quant-table tbody tr:hover td { background: #1a2135; }
.factor-charts .factor-charts { margin-bottom: 14px; }
.factor-charts { display: flex; gap: 14px; margin-bottom: 14px; }
.factor-charts .kline-block { flex: 1; }
.factor-charts .chart { height: 300px; }
.weights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 14px;
}
.weight-item { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.weight-item input[type="range"] { width: 110px; accent-color: var(--accent); }
.weight-item .w-val { width: 32px; text-align: right; font-family: Consolas, monospace; color: var(--text); }
.weights .w-total { margin-left: auto; font-size: 13px; color: var(--accent); }

/* ── 涨停分析 ── */
.lu-row { cursor: pointer; }
.lu-row:hover td { background: #1a2135; }
.lu-ind { color: var(--muted); text-align: center; width: 30px; }
.lu-expand td {
  padding: 12px 16px;
  background: var(--card2);
  border-bottom: 1px solid var(--border);
}
.lu-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; gap: 12px; }
.lu-title { font-size: 14px; color: var(--accent); font-weight: 600; }
.lu-charts .chart { height: 300px; }
.lu-charts { margin-bottom: 0; flex-direction: row; }
.lu-charts .kline-block { flex: 1; min-width: 0; }
.lu-charts .kline-label { white-space: nowrap; }
.lu-err { padding: 40px; text-align: center; color: var(--muted); }
.lianban-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 14px;
}
.lianban-title { font-size: 13px; color: var(--accent); margin-bottom: 10px; }
.lianban-groups { display: flex; flex-direction: column; gap: 8px; }
.lianban-group { display: flex; align-items: flex-start; gap: 8px; }
.lianban-tag {
  flex: none;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 170, 0.4);
  white-space: nowrap;
}
.lianban-items { display: flex; flex-wrap: wrap; gap: 6px; }
.lianban-items.muted { color: var(--muted); font-size: 12px; padding: 3px 0; }
.chip {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ── 回测验证 ── */
.bt-config {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 14px;
}
.bt-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; }
.bt-row + .bt-row { margin-top: 12px; }
.bt-config label { font-size: 12px; color: var(--muted); }
.bt-config select, .bt-config input, .bt-config textarea {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 10px;
  font-size: 13px;
  outline: none;
}
.bt-config select:focus, .bt-config input:focus, .bt-config textarea:focus { border-color: var(--accent); }
.bt-config select option { background: var(--card); }
#btManual { width: 320px; }
.bt-formula-row { align-items: stretch; }
#btFormula {
  flex: 1 1 100%;
  width: 100%;
  box-sizing: border-box;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.55;
  resize: vertical;
  min-height: 120px;
  background: var(--card);
  tab-size: 2;
}
.bt-error {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  background: rgba(255, 77, 79, 0.12);
  border: 1px solid rgba(255, 77, 79, 0.4);
  color: #ff6b6b;
  font-size: 13px;
  white-space: pre-wrap;
}
.bt-help { width: 100%; }
.bt-help summary { cursor: pointer; font-size: 13px; color: var(--accent); }
.bt-help code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
  color: #7fd7c2;
  background: var(--card2);
  border-radius: 4px;
  padding: 2px 6px;
}
.fref { display: flex; gap: 10px; align-items: baseline; padding: 3px 0; }
.fref code { min-width: 280px; display: inline-block; }
.fref span { font-size: 12px; color: var(--muted); }
#btParams { font-size: 12px; color: var(--muted); display: inline-flex; flex-wrap: wrap; gap: 4px 6px; align-items: center; }
.bt-hint { font-size: 12px; color: var(--muted); }
#btParams input {
  width: 64px;
  padding: 4px 8px;
  margin-right: 8px;
}
#btParams label { margin-right: 2px; }
.bt-note { margin-top: 10px; font-size: 12px; color: var(--muted); }
.bt-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}
.metric-card {
  flex: 1;
  min-width: 150px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
}
.metric-card .m-label { font-size: 12px; color: var(--muted); }
.metric-card .m-value { font-size: 20px; font-weight: 700; margin-top: 4px; font-family: Consolas, monospace; }
.metric-card .m-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }

@media (max-width: 900px) {
  .factor-charts { flex-direction: column; }
  .lu-charts { flex-direction: column; }
}

/* ── 空状态 ── */
.empty {
  padding: 40px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 900px) {
  .topbar { flex-wrap: wrap; gap: 10px; }
  .meta { width: 100%; margin-left: 0; }
  main { padding: 12px 10px 0; }
  .toolbar input[type="text"] { width: 100%; }
  .kline-input-wrap input { width: 100%; }
  .kline-input-wrap { flex: 1; }
  .chart { height: 380px; }
}