:root {
  --bg-main: #0d1117;
  --bg-panel: #161b22;
  --bg-hover: #1c2330;
  --border: #2a313c;
  --text-main: #e6edf3;
  --text-sub: #8b949e;
  --text-faint: #5c6470;
  --up: #f5222d;
  --down: #26a969;
  --accent: #3b82f6;
  --warn-bg: #3a2f12;
  --warn-border: #6b5217;
  --warn-text: #d8b155;
}

* { box-sizing: border-box; }

body {
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  margin: 0;
  padding: 0;
}

a { color: var(--accent); text-decoration: none; }

/* ===== 顶部导航 ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}
.topbar-left { display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-title { font-size: 18px; font-weight: bold; }
.brand-sub { font-size: 12px; color: var(--text-faint); }
.nav-tabs { display: flex; gap: 4px; }
.nav-tab {
  padding: 10px 16px; min-height: 44px; border-radius: 6px; cursor: pointer;
  font-size: 14px; color: var(--text-sub); display: flex; align-items: center;
}
.nav-tab:hover { background: var(--bg-hover); }
.nav-tab.active { background: var(--accent); color: white; }
.global-search-wrap { position: relative; }
.global-search {
  width: 320px; padding: 8px 14px; font-size: 13px;
  background: var(--bg-main); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text-main);
}
.global-search::placeholder { color: var(--text-faint); }

/* ===== 页面容器 ===== */
.page { display: none; padding: 20px 24px; }
.page.active { display: block; }
.panel {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px 20px; margin-bottom: 20px;
}
.panel-title { font-size: 15px; font-weight: bold; margin: 0 0 4px; display: flex; align-items: center; gap: 10px; }
.panel-sub { font-size: 12px; color: var(--text-faint); font-weight: normal; }
.focus-hint {
  font-size: 12px; color: var(--text-sub); background: var(--bg-main);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; margin-top: 8px;
}

/* ===== 卡片行 ===== */
.card-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 14px; }
.card {
  background: var(--bg-main); border: 1px solid var(--border);
  border-radius: 8px; padding: 14px 18px; min-width: 170px; flex: 1;
}
.card .name { font-size: 13px; color: var(--text-sub); }
.card .price { font-size: 22px; font-weight: bold; margin: 6px 0; }
.card-title { font-size: 13px; color: var(--text-sub); }
.card-value { font-size: 22px; font-weight: bold; margin: 6px 0; }
.card-sub { font-size: 12px; color: var(--text-sub); }
.code { color: var(--text-faint); font-size: 11px; }
.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--text-sub); }
.change-tag {
  display: inline-block; font-size: 12px; padding: 2px 6px; border-radius: 4px;
}
.change-tag.up { background: rgba(245,34,45,0.15); }
.change-tag.down { background: rgba(38,169,105,0.15); }

/* ===== 表格 ===== */
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th {
  text-align: left; color: var(--text-faint); font-weight: normal;
  padding: 8px 10px; border-bottom: 1px solid var(--border);
}
table.data-table td { padding: 10px 10px; border-bottom: 1px solid var(--border); }
table.data-table tr:hover td { background: var(--bg-hover); cursor: pointer; }
table.data-table .sub-code, table.data-table .code { color: var(--text-faint); font-size: 11px; }

/* ===== 表单元素 ===== */
input[type=text], input[type=number], input[type=date], select {
  background: var(--bg-main); border: 1px solid var(--border);
  color: var(--text-main); padding: 8px 12px; font-size: 13px; border-radius: 6px;
}
input::placeholder { color: var(--text-faint); }
button {
  padding: 8px 16px; font-size: 13px; border: none; border-radius: 6px;
  background: var(--accent); color: white; cursor: pointer;
}
button:hover { opacity: 0.9; }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text-sub); }
button.mini { padding: 3px 8px; font-size: 12px; background: transparent; color: var(--accent); }
button.mini.danger { color: var(--up); }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 10px; }
.form-field { display: flex; flex-direction: column; gap: 4px; }
.form-field label { font-size: 12px; color: var(--text-sub); }

/* ===== 搜索联想 ===== */
.suggest-list {
  position: absolute; top: 100%; left: 0; width: 100%; background: var(--bg-panel);
  border: 1px solid var(--border); border-radius: 6px; box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  max-height: 280px; overflow-y: auto; z-index: 9999; display: none; margin-top: 4px;
  min-width: 260px;
}
.suggest-item { padding: 8px 12px; cursor: pointer; font-size: 13px; display: flex; justify-content: space-between; }
.suggest-item:hover { background: var(--bg-hover); }
.suggest-item.suggest-active { background: var(--bg-hover); }
.suggest-item .code { color: var(--text-faint); font-size: 11px; }
.suggest-error { padding: 8px 12px; font-size: 12px; color: var(--text-faint); }

/* ===== 图表容器 ===== */
.chart-box { width: 100%; height: 420px; margin-top: 10px; }
.chart-box.small { height: 260px; }

/* ===== 提示/加载 ===== */
.loading { color: var(--text-faint); font-size: 13px; }
.error-text { color: var(--up); font-size: 13px; }
.empty-hint { color: var(--text-faint); font-size: 12px; padding: 20px; text-align: center; }
.warn-box {
  background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-text);
  padding: 10px 14px; border-radius: 6px; font-size: 13px; margin-top: 10px;
}

/* ===== 标签按钮组（热门/榜单切换） ===== */
.tag-btns { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.tag-btn {
  padding: 6px 14px; font-size: 12px; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--border); color: var(--text-sub);
}
.tag-btn:hover { background: var(--bg-hover); }
.tag-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

/* ===== 首页布局：自选矩阵（列=持有/观察，行=个股/指数，默认全部展开） ===== */
table.watchlist-matrix { width: 100%; border-collapse: collapse; table-layout: fixed; }
table.watchlist-matrix .matrix-head {
  text-align: left; font-weight: bold; font-size: 13px; padding: 6px 10px 10px; width: 50%;
}
table.watchlist-matrix .matrix-head-inner {
  display: flex; justify-content: space-between; align-items: center;
}
table.watchlist-matrix .matrix-cell {
  vertical-align: top; padding: 6px 10px; width: 50%;
  border: 1px solid var(--border);
}
table.watchlist-matrix table.data-table { table-layout: fixed; }
table.watchlist-matrix table.data-table col.col-name { width: 18%; }
table.watchlist-matrix table.data-table col.col-code { width: 14%; }
table.watchlist-matrix table.data-table col.col-price { width: 14%; }
table.watchlist-matrix table.data-table col.col-pct { width: 14%; }
table.watchlist-matrix table.data-table col.col-amt { width: 12%; }
table.watchlist-matrix table.data-table col.col-base { width: 22%; }
table.watchlist-matrix table.data-table col.col-op { width: 6%; }
.btn-link { background: transparent; border: none; color: var(--accent); cursor: pointer; padding: 0; font-size: 12px; }
.btn-link:hover { text-decoration: underline; }
.base-change-cell { cursor: pointer; font-size: 12px; }
.base-date-label { color: var(--text-sub); margin-right: 4px; }
.sub-group-header { display: flex; align-items: center; gap: 6px; padding: 5px 4px; font-size: 12px; color: var(--text-sub); cursor: pointer; }
.sub-group-header:hover { background: var(--bg-hover); border-radius: 4px; }
.sub-group-header .group-actions { margin-left: auto; display: flex; gap: 4px; }
.collapse-arrow { display: inline-block; width: 12px; color: var(--text-faint); }
.sub-group-items { padding: 4px 4px 4px 18px; }
.group-actions { display: flex; gap: 4px; }
.btn-icon { background: transparent; border: none; color: var(--text-faint); cursor: pointer; padding: 0 4px; font-size: 12px; line-height: 1; }
.btn-icon:hover { color: var(--accent); }
.empty-text { color: var(--text-faint); font-size: 12px; padding: 8px 4px; }
.watchlist-update-time { font-size: 11px; color: var(--text-faint); padding: 4px 4px 0; text-align: right; }

.suggest-history-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 12px; font-size: 11px; color: var(--text-faint); border-bottom: 1px solid var(--border);
}
.suggest-clear-btn {
  background: transparent; border: none; color: var(--text-faint); cursor: pointer;
  font-size: 11px; padding: 0; line-height: 1;
}
.suggest-clear-btn:hover { color: var(--up); opacity: 1; }

.bt-template-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.bt-template-item {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--bg-main); border: 1px solid var(--border);
  border-radius: 12px; padding: 3px 8px; font-size: 12px; color: var(--text-sub);
}
.bt-template-name:hover { color: var(--accent); }

.item-note { font-size: 11px; color: var(--text-faint); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100px; }

.watchlist-add-wrap { position: relative; }

.modal-mask {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal-box {
  background: var(--bg-panel); border-radius: 8px; padding: 20px; width: 320px;
  display: flex; flex-direction: column; gap: 12px;
}
.modal-title { font-size: 13px; }
.modal-box select { width: 100%; padding: 6px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
.modal-message { font-size: 13px; color: var(--text-main); line-height: 1.5; }

.toast-container {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; z-index: 2000; align-items: center;
}
.toast-item {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 18px; font-size: 13px; color: var(--text-main);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  opacity: 0; transform: translateY(-8px); transition: opacity 0.2s, transform 0.2s;
}
.toast-item.toast-show { opacity: 1; transform: translateY(0); }
.toast-item.toast-success { border-color: var(--down); color: var(--down); }
.toast-item.toast-error { border-color: var(--up); color: var(--up); }

.footer-note { text-align: center; color: var(--text-faint); font-size: 12px; padding: 20px 0 10px; }
button.btn-danger { background: rgba(245,34,45,0.15); color: var(--up); border: 1px solid rgba(245,34,45,0.3); }
button.btn-danger:hover { background: rgba(245,34,45,0.25); }
.bt-history-limit-tip { font-size: 12px; color: var(--text-faint); padding: 4px 0 8px; }

/* ===== K线均线读数 ===== */
.ma-readout { display: flex; gap: 12px; align-items: center; font-size: 12px; margin-top: 10px; flex-wrap: wrap; }
.ma-tag { font-weight: bold; }
.ma-note { color: var(--text-faint); margin-left: auto; }

/* ===== 底部 tab bar（仅移动端显示） ===== */
.bottom-nav {
  display: none;
}

/* 桌面端：顶部 nav-tabs 正常显示 */
@media (min-width: 769px) {
  .nav-tabs { display: flex; }
  .bottom-nav { display: none !important; }
  body { padding-bottom: 0; }
}

/* ===== 移动端响应式（手机竖屏为主，平板及以上维持原桌面布局） ===== */
@media (max-width: 768px) {
  /* 顶部导航：只保留品牌名 + 搜索框，nav-tabs 移到底部 */
  .topbar { padding: 10px 14px; gap: 8px; flex-wrap: nowrap; align-items: center; }
  .topbar-left { gap: 0; width: auto; flex: 1; min-width: 0; }
  .brand-sub { display: none; }
  .nav-tabs { display: none; }
  .global-search-wrap { flex-shrink: 0; }
  .global-search { width: 160px; font-size: 12px; padding: 7px 10px; }

  /* 底部固定 tab bar */
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    z-index: 500;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .bottom-nav-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 4px;
    font-size: 11px;
    color: var(--text-faint);
    cursor: pointer;
    gap: 3px;
    min-height: 52px;
    -webkit-tap-highlight-color: transparent;
  }
  .bottom-nav-tab:active { background: var(--bg-hover); }
  .bottom-nav-tab.active { color: var(--accent); }
  .bottom-nav-tab svg { width: 20px; height: 20px; }

  /* 页面底部留出 tab bar 的高度，避免内容被遮住 */
  body { padding-bottom: calc(52px + env(safe-area-inset-bottom, 0)); }

  .page { padding: 12px; }
  .panel { padding: 14px 12px; }

  /* panel-sub 描述文字在小屏上太长，折叠起来 */
  .panel-sub { display: none; }

  /* 表单：每个字段单独占一行 */
  .form-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .form-field { width: 100%; }
  .form-field input, .form-field select { width: 100% !important; box-sizing: border-box; }
  /* 表单里的纯说明文字在移动端隐藏，减少视觉干扰 */
  .form-field[style*="color:#8b949e"] { display: none; }

  /* 卡片：两列并排，最小宽度小一点 */
  .card-row { gap: 8px; }
  .card { min-width: 0; flex: 1 1 calc(50% - 4px); padding: 10px 12px; }
  .card-value { font-size: 18px; }

  /* 图表：收窄高度 */
  .chart-box { height: 260px; }
  .chart-box.small { height: 180px; }

  /* 自选股矩阵：单列 */
  table.watchlist-matrix,
  table.watchlist-matrix tbody,
  table.watchlist-matrix tr { display: block; }
  table.watchlist-matrix thead { display: none; }
  table.watchlist-matrix .matrix-cell { width: 100%; display: block; margin-bottom: 10px; }

  /* 数据表格：横向滚动 */
  .panel { overflow-x: auto; }
  table.data-table { min-width: 460px; }
  /* 但 panel 里的非表格内容不要受 overflow 影响 */
  .suggest-list { min-width: 0; width: 100%; }

  /* 弹窗 */
  .modal-box { width: calc(100vw - 32px); max-width: 340px; }

  /* 按钮触控区域：加大 */
  button { min-height: 40px; padding: 8px 16px; }
  button.mini { min-height: 32px; padding: 4px 10px; }
  .btn-icon { padding: 4px 8px; font-size: 14px; }

  /* 回测历史/面板标题里的按钮 */
  .panel-title button { min-height: 34px; }

  /* footer 文字缩小 */
  .footer-note { font-size: 11px; padding: 12px 0 8px; }
}