/* mtrader dashboard — white page, black type, two columns of rounded signal rows. */

:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f7f7f5;
  --raised: #ffffff;
  --hair: #ececea;
  --hair-strong: #d9d9d5;
  --ink: #0a0a0a;
  --ink-2: #4d4d49;
  --ink-3: #8a8a84;
  --accent: #2a78d6;
  --accent-wash: rgba(42, 120, 214, 0.10);
  --warn: #e0a106;
  --crit: #d03b3b;
  --long: #128a4b;
  --short: #d93a3f;
  --flat: #9a988f;
  --shadow-menu: 0 12px 32px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.06);

  --font-sans: "Geist", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  --font-mono: "Geist Mono", "SF Mono", ui-monospace, "PingFang SC", monospace;
  --gutter: clamp(16px, 4vw, 56px);
  --max: 1280px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --spring: cubic-bezier(0.32, 1.25, 0.4, 1);  /* a small overshoot, for things that grow open */
  --fold: cubic-bezier(0.4, 0, 0.2, 1);  /* even in and out, for a 板块 card folding away */
  --fold-time: .3s;  /* SECTOR_CLOSE_MS in app.js */
}

/* Dark only when the reader switches it on: the default is a white page. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0b0a;
  --surface: #151513;
  --raised: #1c1c1a;
  --hair: #262623;
  --hair-strong: #35352f;
  --ink: #f2f1ee;
  --ink-2: #b6b5ae;
  --ink-3: #7c7b74;
  --accent: #4b93ea;
  --accent-wash: rgba(75, 147, 234, 0.14);
  --long: #22b06a;
  --short: #ef5b5f;
  --flat: #8b8a82;
  --shadow-menu: 0 16px 40px rgba(0, 0, 0, 0.55);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-sans); font-size: 15px; line-height: 1.5;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-family: var(--font-mono); font-feature-settings: "zero" 1; }
.num { font-variant-numeric: tabular-nums; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- header: brand left, 市场 / 数据回测 right ---------- */
.bar { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.bar .wrap { display: flex; align-items: center; gap: 8px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; margin-right: auto; text-decoration: none; font-size: 16px; letter-spacing: -0.01em; }
.brand b { font-weight: 600; }
.brand-mark { width: 32px; height: 32px; object-fit: contain; flex-shrink: 0; }
[data-theme="dark"] .brand-mark { filter: invert(1); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 12px; border: 0; border-radius: 999px;
  background: transparent; color: var(--ink); font-size: 16px; font-weight: 600; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.nav-link:hover, .nav-link[aria-expanded="true"] { color: var(--ink); background: var(--surface); }
.nav-sub { color: inherit; font-weight: inherit; }
.account-menu { position: relative; margin-left: 4px; }
.avatar-btn {
  width: 32px; height: 32px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 50%;
  background: var(--ink); color: var(--bg); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: box-shadow .2s var(--ease);
}
.avatar-btn:hover, .avatar-btn[aria-expanded="true"] { box-shadow: 0 0 0 4px var(--surface); }
.menu.account-list { min-width: 240px; max-width: calc(100vw - 32px); }
.account-head { display: flex; flex-direction: column; gap: 2px; padding: 8px 12px 10px; margin-bottom: 4px; border-bottom: 1px solid var(--hair); }
.account-label { color: var(--ink-3); font-size: 12px; }
.account-email { color: var(--ink); font-size: 14px; font-weight: 500; overflow-wrap: anywhere; }
#logout:disabled { opacity: .5; cursor: wait; }
.market-menu { position: relative; }
.menu {
  position: absolute; top: calc(100% + 6px); right: 0; min-width: 132px; padding: 6px; z-index: 60;
  background: var(--raised); border: 1px solid var(--hair); border-radius: 14px; box-shadow: var(--shadow-menu);
  display: flex; flex-direction: column;
}
.menu-item { text-align: left; border: 0; background: transparent; padding: 9px 12px; border-radius: 9px; font-size: 14px; color: var(--ink-2); cursor: pointer; }
.menu-item:hover, .menu-item:focus-visible { background: var(--surface); color: var(--ink); outline: none; }
.menu-item[aria-checked="true"] { color: var(--ink); font-weight: 500; }
.menu-item[aria-checked="true"]::after { content: "✓"; float: right; margin-left: 16px; color: var(--ink-3); }

.mode { display: inline-flex; align-items: center; gap: 7px; height: 32px; padding: 0 10px; margin-left: 4px; font-size: 12px; color: var(--ink-3); white-space: nowrap; cursor: default; }
.mode i { width: 7px; height: 7px; border-radius: 50%; background: var(--warn); }
.mode[data-ok="1"] i { background: var(--long); }
.icon-btn { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; border: 0; background: transparent; cursor: pointer; color: var(--ink-3); }
.icon-btn:hover { color: var(--ink); background: var(--surface); }

/* ---------- headline and search ---------- */
.page-title {
  margin: clamp(48px, 9vw, 120px) auto 0; max-width: 16em; text-align: center;
  font-size: clamp(34px, 5.4vw, 68px); line-height: 1.08; letter-spacing: -0.035em; font-weight: 600; text-wrap: balance;
}
.update-note { margin: 20px auto 0; text-align: center; color: var(--ink-3); font-size: 15px; }
.search-pill {
  display: flex; align-items: center; gap: 12px; width: min(640px, 100%); height: 56px; margin: clamp(28px, 4vw, 44px) auto 0; padding: 0 22px;
  border-radius: 999px; background: var(--surface); border: 1px solid var(--hair);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.search-pill:focus-within { background: var(--raised); border-color: var(--ink-3); box-shadow: 0 0 0 4px var(--accent-wash); }
.search-icon { flex: none; fill: none; stroke: var(--ink-3); stroke-width: 1.8; stroke-linecap: round; }
.search-pill input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font: inherit; font-size: 17px; }
.search-pill input::placeholder { color: var(--ink-3); opacity: 1; }

/* ---------- 刚翻多 | 刚翻空, side by side ---------- */
.columns {
  display: grid; grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr); gap: clamp(20px, 3vw, 40px);
  margin: clamp(40px, 6vw, 72px) 0 96px; align-items: start;
}
.home-divider { align-self: stretch; background: var(--hair); }
.column-head { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; padding: 0 4px; font-size: 17px; font-weight: 600; }
.column-head .state { font-size: 17px; color: var(--ink); gap: 8px; }
.column-head .state i { width: 9px; height: 9px; border-radius: 50%; }
.column-head > .mono { font-size: 14px; font-weight: 400; color: var(--ink-3); }
.column-empty, .columns-empty { margin: 0; padding: 28px 4px; color: var(--ink-3); font-size: 14px; }
.columns-empty { grid-column: 1 / -1; text-align: center; }

.signal-rows { display: flex; flex-direction: column; gap: 8px; }
.signal-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 16px;
  padding: 12px 18px; border-radius: 16px; background: var(--surface); cursor: pointer;
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}
.signal-row:hover { background: var(--raised); box-shadow: 0 0 0 1px var(--hair-strong), 0 6px 18px rgba(0, 0, 0, 0.05); }
.signal-main { min-width: 0; }
.signal-who { display: flex; align-items: center; gap: 10px; }
.signal-who .tk .mono { font-size: 17px; letter-spacing: -0.01em; }
.signal-name { margin: 2px 0 0; font-size: 12px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.signal-name span { margin-left: 8px; }
.signal-price { font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.signal-price span { margin: 0 6px; color: var(--ink-3); }
.signal-gain { min-width: 72px; text-align: right; font-size: 16px; font-weight: 500; white-space: nowrap; }

.state { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.state i { width: 7px; height: 7px; border-radius: 2px; display: inline-block; }
.state-long i { background: var(--long); } .state-short i { background: var(--short); } .state-flat i { background: var(--flat); }
/* Row badges (新翻多 / 翻多后第N根): a tinted pill reads at a glance; the dot alone was too faint. */
.signal-who .state { height: 22px; padding: 0 8px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.signal-who .state i { display: none; }
.signal-who .state-long { color: var(--long); background: color-mix(in srgb, var(--long) 13%, transparent); }
.signal-who .state-short { color: var(--short); background: color-mix(in srgb, var(--short) 13%, transparent); }
.signal-who .state-flat { color: var(--ink-3); background: color-mix(in srgb, var(--flat) 16%, transparent); }

/* ---------- 自选: the star on each row, the 自选 page ---------- */
.signal-row:has(.star-btn) { grid-template-columns: minmax(0, 1fr) auto auto auto; }
.star-btn {
  width: 36px; height: 36px; margin: -6px -10px -6px -6px; border: 0; border-radius: 50%; background: transparent;
  color: var(--ink-3); font-size: 19px; line-height: 1; cursor: pointer;
}
.star-btn:hover { color: var(--ink); background: var(--raised); }
.star-btn[aria-pressed="true"] { color: var(--warn); }
.star-btn:disabled { opacity: .5; cursor: wait; }
.signal-row.watch-hit { grid-template-columns: minmax(0, 1fr) auto; }
.watch { margin: clamp(32px, 5vw, 56px) auto 96px; max-width: 760px; display: flex; flex-direction: column; gap: 32px; }
.watch-part .column-head { gap: 10px; }
.sheet-star[aria-pressed="true"] { color: var(--warn); }
.up { color: var(--long); } .down { color: var(--short); }
.sort-btn {
  height: 40px; padding: 0 18px; border: 1px solid var(--hair); border-radius: 999px; background: var(--bg);
  color: var(--ink-2); font-size: 15px; font-weight: 500; cursor: pointer; white-space: nowrap; margin-left: auto;
}
.sort-btn:hover { color: var(--ink); border-color: var(--hair-strong); }
.sort-btn[data-order="desc"], .sort-btn[data-order="asc"] { color: var(--ink); border-color: var(--ink-3); }
.signal-row[hidden] { display: none; }
.pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 14px; }
.pager .mono { min-width: 56px; text-align: center; color: var(--ink-2); font-size: 14px; }
.page-btn {
  height: 36px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--hair-strong);
  background: transparent; color: var(--ink); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
}
.page-btn:hover:not([disabled]) { background: var(--surface); }
.page-btn[disabled] { color: var(--ink-3); border-color: var(--hair); cursor: default; }

.tk { border: 0; background: none; padding: 0; cursor: pointer; color: var(--ink); text-align: left; }
.tk .mono { font-weight: 600; }

.error-banner { margin: 24px auto 0; max-width: 640px; padding: 12px 16px; border-radius: 12px; color: var(--ink); background: color-mix(in srgb, var(--crit) 10%, transparent); font-size: 14px; text-align: center; }

/* ---------- chart sheet ---------- */
body.locked { overflow: hidden; }
.sheet { position: fixed; inset: 0; z-index: 80; display: grid; place-items: end center; }
.sheet-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, .45); backdrop-filter: blur(3px); animation: fade .25s ease; }
.sheet-panel { position: relative; width: min(1180px, 100%); max-height: 92vh; overflow: auto; background: var(--bg); border-radius: 20px 20px 0 0; padding: 22px clamp(16px, 3vw, 32px) 28px; animation: rise .35s var(--ease); }
.sheet-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 14px; }
.sheet-head h3 { margin: 0; font-size: clamp(22px, 2.6vw, 30px); letter-spacing: -0.02em; display: flex; gap: 10px; align-items: center; }
.sheet-head .sub { margin: 6px 0 0; color: var(--ink-3); font-size: 13px; }
.sheet-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.copy-chart { border: 1px solid var(--hair-strong); border-radius: 999px; padding: 7px 14px; background: var(--surface); color: var(--ink); font-size: 13px; cursor: pointer; }
.copy-chart:hover { background: var(--raised); }
.copy-chart:disabled { opacity: .5; cursor: default; }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--surface); color: var(--ink-2); font-weight: 400; letter-spacing: 0; }
.rv-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12px; color: var(--ink-3); margin-bottom: 8px; }
.rv-legend span { display: inline-flex; align-items: center; gap: 6px; }
.rv-legend i { width: 6px; height: 12px; border-radius: 1px; display: inline-block; }
.rv-legend .k-long { background: var(--long); } .rv-legend .k-short { background: var(--short); } .rv-legend .k-flat { background: var(--flat); }
.rv-legend .mark-long { color: var(--long); } .rv-legend .mark-short { color: var(--short); }
.rv-loading { display: grid; place-items: center; min-height: 300px; color: var(--ink-3); font-size: 13px; text-align: center; padding: 0 24px; }
@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { transform: translateY(24px); opacity: 0; } }

/* ---------- chart primitives (chart.js) ---------- */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: var(--hair); stroke-width: 1; shape-rendering: crispEdges; }
.chart .axis text { fill: var(--ink-3); font-family: var(--font-mono); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .baseline { stroke: var(--hair-strong); stroke-width: 1; shape-rendering: crispEdges; }
.chart .cross { stroke: var(--ink-3); stroke-width: 1; shape-rendering: crispEdges; }
.chart .hit { fill: transparent; cursor: crosshair; }
.chart .tag-label-inv { fill: #fff; font-size: 11px; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tip {
  position: absolute; pointer-events: none; z-index: 5; min-width: 150px;
  background: var(--raised); border: 1px solid var(--hair-strong); border-radius: 10px;
  padding: 10px 12px; font-size: 12px; color: var(--ink-2);
  box-shadow: var(--shadow-menu); opacity: 0; transform: translateY(4px); transition: opacity .15s, transform .15s;
}
.tip.show { opacity: 1; transform: none; }
.tip b { display: block; color: var(--ink); font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.tip .row { display: flex; justify-content: space-between; gap: 18px; }

/* ---------- narrow screens ---------- */
/* Phones show one column at a time; the switch picks 刚翻多 or 刚翻空 instead of stacking them. */
.side-switch { display: none; }
@media (max-width: 860px) {
  .columns { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .home-divider { display: none; }
  .side-switch {
    position: sticky; top: 64px; z-index: 20; display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
    padding: 4px; border-radius: 14px; background: var(--surface);
    box-shadow: 0 0 0 6px var(--bg);
  }
  .side-pick {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; border: 0; border-radius: 10px;
    background: transparent; color: var(--ink-3); font: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
    transition: background .2s var(--ease), color .2s var(--ease);
  }
  .side-pick .mono { font-size: 13px; font-weight: 500; }
  .side-pick[aria-pressed="true"] { background: var(--bg); color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, .1); }
  .side-pick-long[aria-pressed="true"] .mono { color: var(--long); }
  .side-pick-short[aria-pressed="true"] .mono { color: var(--short); }
  .columns[data-mobile-side="long"] .column-short, .columns[data-mobile-side="short"] .column-long { display: none; }
  #cards .column-head { display: none; }
  .export-toolbar { display: none; }  /* the TradingView import is a desktop task */
}
@media (max-width: 560px) {
  .bar .wrap { height: 56px; gap: 2px; }
  .nav-link { padding: 0 9px; font-size: 14px; }
  .bar .brand b { display: none; }
  .icon-btn { width: 30px; }
  .mode span { display: none; }
  .mode { margin-left: 0; padding: 0 6px; }
  .page-title { margin-top: 28px; font-size: 28px; }
  .update-note { margin-top: 10px; font-size: 13px; }
  .columns { margin: 24px 0 64px; }
  .side-switch { top: 56px; }
  .search-pill { height: 50px; margin-top: 20px; padding: 0 18px; }
  .search-pill input::placeholder { font-size: 14px; }
  .search-pill input { font-size: 16px; }
  .signal-row { grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; padding: 11px 14px; border-radius: 14px; }
  .signal-price { grid-column: 1; grid-row: 2; font-size: 12px; }
  .signal-gain { grid-column: 2; grid-row: 1 / span 2; }
  .signal-row:has(.star-btn) { grid-template-columns: minmax(0, 1fr) auto auto; }
  .star-btn { grid-column: 3; grid-row: 1 / span 2; }
  .signal-row.watch-hit .star-btn { grid-column: 2; }
  .sheet-head { flex-wrap: wrap; }
  .sheet-panel { max-height: 96vh; }
}
@media (max-width: 420px) {
  .nav-link { padding: 0 7px; }
  .nav-label { display: none; }  /* "美股 ▾" alone: room for 自选 */
}
@media (prefers-reduced-motion: reduce) {
  .sheet-panel, .sheet-backdrop { animation: none !important; }
  .search-pill, .signal-row { transition: none; }
}

/* 全部 / 大型股 / 中型股 / 小型股: a row above the columns, a sticky list in the left margin on wide screens. */
.board { position: relative; }
.cap-nav { margin-top: clamp(28px, 4vw, 48px); }
.cap-nav + .columns { margin-top: 20px; }
.cap-list { display: flex; flex-wrap: wrap; gap: 6px; }
.cap-list button {
  height: 36px; padding: 0 14px; border: 1px solid var(--hair); border-radius: 999px; background: transparent;
  color: var(--ink-2); font: inherit; font-size: 14px; font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.cap-list button:hover { color: var(--ink); border-color: var(--ink-3); }
.cap-list button[aria-pressed="true"] { color: var(--bg); background: var(--ink); border-color: var(--ink); font-weight: 600; }
@media (min-width: 1520px) {
  .cap-nav { position: absolute; top: 0; bottom: 0; right: 100%; width: 132px; margin: 0 28px 0 0; }
  .cap-nav + .columns { margin-top: clamp(40px, 6vw, 72px); }
  .cap-list { position: sticky; top: 96px; flex-direction: column; align-items: stretch; gap: 4px; margin-top: 108px; }
  .cap-list button { height: 44px; padding: 0 16px; border-color: transparent; border-radius: 12px; text-align: left; font-size: 15px; }
  .cap-list button:hover { background: var(--surface); border-color: transparent; }
  .cap-list button[aria-pressed="true"] { color: var(--ink); background: var(--surface); border-color: transparent; }
}

/* 首页 (2026-10-27, after a sector-flow sketch the user drew): a compact 板块 grid (name + 多头占比 bar),
   a 刚翻多 | 刚翻空 switch, then one hairline table of that side's symbols. A 板块 filters the table. */
#cards { grid-template-columns: minmax(0, 1fr); gap: 20px; }
#cards[data-mobile-side="long"] .column-short, #cards[data-mobile-side="short"] .column-long { display: none; }
#cards .side-switch {
  display: inline-grid; grid-template-columns: 1fr 1fr; gap: 4px; justify-self: start; width: 280px;
  padding: 4px; border-radius: 12px; background: var(--surface);
}
#cards .side-pick {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 36px; border: 0; border-radius: 9px;
  background: transparent; color: var(--ink-3); font: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
}
#cards .side-pick .mono { font-size: 13px; font-weight: 500; }
#cards .side-pick[aria-pressed="true"] { background: var(--bg); color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, .1); }
#cards .side-pick-long[aria-pressed="true"] .mono { color: var(--long); }
#cards .side-pick-short[aria-pressed="true"] .mono { color: var(--short); }
.home-tools { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 8px; }
#cards .export-toolbar { margin: 0; }
.home-caps { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: -4px; }
.home-caps button {
  height: 32px; padding: 0 14px; border: 1px solid var(--hair); border-radius: 999px; background: transparent;
  color: var(--ink-2); font: inherit; font-size: 14px; cursor: pointer;
}
.home-caps button:hover { color: var(--ink); border-color: var(--ink-3); }
.home-caps button[aria-pressed="true"] { color: var(--bg); background: var(--ink); border-color: var(--ink); font-weight: 600; }
#cards { margin-top: clamp(28px, 4vw, 48px); }

/* 板块 list (2026-10-27, user: 竖着排, 点板块下拉展开): one line per 板块, the open one shows its table under it. */
.sectors { border-top: 1px solid var(--hair-strong); padding-top: 4px; }
.sectors-head, .sector-cell {
  display: grid; grid-template-columns: minmax(0, 1fr) 64px 20px; align-items: center; gap: 14px; padding: 0 12px;
}
.sectors-head { height: 36px; color: var(--ink-3); font-size: 13px; }
.sectors-head span:last-child { grid-column: 2; justify-self: end; white-space: nowrap; }  /* over the counts */
/* Every 板块 is a rounded card all the time, so opening and closing only grows and folds its table and nothing
   about the card itself appears or vanishes (user 2026-10-27: the card disappearing on close is what felt janky). */
.sector-item {
  margin-bottom: 8px; border-radius: 16px; background: var(--surface); box-shadow: 0 0 0 1px var(--hair);
  transition: box-shadow .2s var(--ease);
}
.sector-item:hover { box-shadow: 0 0 0 1px var(--hair-strong); }
.sector-cell {
  width: 100%; height: 52px; border: 0; background: transparent; color: var(--ink);
  font: inherit; font-size: 15px; text-align: left; cursor: pointer;
}
.sector-cell[aria-expanded="true"] { font-weight: 600; }
.sector-cell > .num { text-align: right; color: var(--ink-2); font-size: 13px; font-weight: 400; }
.sector-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sector-total .sector-name { font-weight: 600; }
/* The 全部 card itself wears the outline, not just the word (user 2026-10-28: the small ring was not noticeable). */
.sector-item.sector-total { box-shadow: 0 0 0 1.5px var(--ink-2); }
.sector-item.sector-total[data-open] { box-shadow: 0 0 0 1.5px var(--ink-2), 0 10px 30px rgba(0, 0, 0, .06); }
/* A yellow line between the top 3 板块 and the rest (user 2026-10-27). */
.sector-top-line { height: 2px; margin: 4px 8px 12px; border-radius: 1px; background: var(--warn); }
.sector-chevron { justify-self: end; width: 8px; height: 8px; border-right: 1.5px solid var(--ink-3); border-bottom: 1.5px solid var(--ink-3);
  transform: translateY(-2px) rotate(45deg); transition: transform .2s var(--ease); }
.sector-cell[aria-expanded="true"] .sector-chevron { transform: translateY(2px) rotate(-135deg); }
/* Open 板块 (2026-10-27, after a pill-to-card reference the user liked): the card lifts and grows down while the
   table comes in from a blur; closing plays it backwards. Only a click animates. */
.sector-item[data-open] { box-shadow: 0 0 0 1px var(--hair), 0 10px 30px rgba(0, 0, 0, .06); }
.sector-panel { display: grid; grid-template-rows: 1fr; }
.sector-panel-inner { min-height: 0; overflow: hidden; padding: 0 12px 14px; }
.sector-item[data-open] .symbol-row.signal-row:hover { background: var(--raised); }
.sector-item[data-animate] { animation: card-in .5s var(--spring); }
.sector-item[data-animate] .sector-panel { animation: panel-grow .5s var(--spring); }
.sector-item[data-animate] .sector-panel-inner { animation: content-in .45s var(--ease) .05s backwards; }
/* Closing ends exactly on the folded card (no padding or lift left to snap away) at an even pace. */
.sector-item[data-closing] { animation: card-out var(--fold-time) var(--fold) forwards; }
.sector-item[data-closing] .sector-panel { animation: panel-shrink var(--fold-time) var(--fold) forwards; }
.sector-item[data-closing] .sector-panel-inner {
  animation: content-out .2s var(--ease) forwards, pad-out var(--fold-time) var(--fold) forwards;
}
.sector-item[data-closing] .sector-chevron { transform: translateY(-2px) rotate(45deg); }
@keyframes card-in { from { transform: scale(.985); box-shadow: 0 0 0 1px var(--hair); } }
@keyframes card-out { to { box-shadow: 0 0 0 1px var(--hair); } }
.sector-total[data-closing] { animation-name: total-out; }
@keyframes total-out { to { box-shadow: 0 0 0 1.5px var(--ink-2); } }
@keyframes pad-out { to { padding-bottom: 0; } }
@keyframes panel-grow { from { grid-template-rows: 0fr; } }
@keyframes panel-shrink { to { grid-template-rows: 0fr; } }
@keyframes content-in { from { opacity: 0; filter: blur(10px); transform: translateY(-8px) scale(.97); } }
@keyframes content-out { to { opacity: 0; filter: blur(8px); transform: translateY(-6px) scale(.97); } }
/* Focus (user 2026-10-27): while one 板块 is open the others fade back; hovering one brings it up again. */
.sectors[data-focus] .sector-item:not([data-open]) { opacity: .35; transition: opacity .2s var(--ease); }
.sectors[data-focus] .sector-item:not([data-open]):hover { opacity: 1; }
.sectors[data-fade-in] .sector-item:not([data-open]) { animation: sector-fade .35s var(--ease); }
.sectors[data-unfocus] .sector-item:not([data-closing]) { animation: sector-unfade var(--fold-time) var(--ease); }
@keyframes sector-fade { from { opacity: 1; } to { opacity: .35; } }
@keyframes sector-unfade { from { opacity: .35; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .sectors .sector-item, .sectors .sector-panel, .sectors .sector-panel-inner { animation: none !important; }
}
.sectors .industry-more { display: block; margin: 16px auto 0; }

/* The symbol table: header, then hairline rows (no rounded cards here). */
.symbol-table { --symbol-cols: minmax(140px, 1.4fr) repeat(5, minmax(80px, 1fr)) 36px; }
.symbol-table.code-only { --symbol-cols: minmax(100px, 1fr) repeat(4, minmax(80px, 1fr)) 36px; }
.symbol-head, .symbol-row { display: grid; grid-template-columns: var(--symbol-cols); align-items: center; gap: 12px; padding: 0 12px; }
.symbol-head { height: 36px; color: var(--ink-3); font-size: 13px; border-bottom: 1px solid var(--hair-strong); }
.symbol-table .signal-rows { gap: 0; }
.symbol-row.signal-row {
  grid-template-columns: var(--symbol-cols); height: 52px; padding: 0 12px; border-radius: 0; background: transparent;
  border-bottom: 1px solid var(--hair);
}
.symbol-row.signal-row:hover { background: var(--surface); box-shadow: none; }
.symbol-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 16px; font-weight: 600; }
.symbol-code { color: var(--ink-3); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.symbol-badge .state { height: 22px; padding: 0 8px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.symbol-badge .state-long { color: var(--long); background: color-mix(in srgb, var(--long) 13%, transparent); }
.symbol-badge .state-short { color: var(--short); background: color-mix(in srgb, var(--short) 13%, transparent); }
.symbol-entry, .symbol-now { font-size: 14px; color: var(--ink-2); }
.symbol-row .signal-gain { min-width: 0; font-size: 15px; text-align: left; }
.symbol-row .star-btn { margin: 0; justify-self: end; }
@media (max-width: 860px) {
  .home-tools { position: sticky; top: 64px; z-index: 20; }
  #cards .side-switch { width: 100%; box-shadow: 0 0 0 6px var(--bg); }
}
@media (max-width: 560px) {
  .home-tools { top: 56px; }
  .sectors-head, .sector-cell { grid-template-columns: minmax(0, 1fr) 56px 14px; gap: 10px; padding: 0 8px; }
  .sector-panel-inner { padding: 0 4px 10px; }
  /* Phone: name over code, entry over now, then the return and the star. */
  .symbol-head { display: none; }
  .symbol-row.signal-row {
    grid-template-columns: minmax(0, 1fr) auto 72px 32px; grid-template-rows: auto auto; gap: 2px 12px; height: auto; padding: 10px 4px;
  }
  .symbol-name { grid-column: 1; grid-row: 1; }
  .symbol-code { grid-column: 1; grid-row: 2; font-size: 12px; }
  .code-only .symbol-name { grid-row: 1 / span 2; }
  .symbol-badge { display: none; }
  .symbol-entry { grid-column: 2; grid-row: 1; font-size: 13px; text-align: right; }
  .symbol-entry::before { content: "入场 "; color: var(--ink-3); }
  .symbol-now::before { content: "现价 "; color: var(--ink-3); }
  .symbol-now { grid-column: 2; grid-row: 2; font-size: 13px; color: var(--ink); text-align: right; }
  .symbol-row .signal-gain { grid-column: 3; grid-row: 1 / span 2; text-align: right; }
  .symbol-row .star-btn { grid-column: 4; grid-row: 1 / span 2; }
}
.industry-more {
  margin-left: auto; height: 34px; padding: 0 14px; border: 1px solid var(--hair); border-radius: 999px;
  background: transparent; color: var(--ink-2); font: inherit; font-size: 14px; cursor: pointer;
}
.industry-more:hover { color: var(--ink); border-color: var(--ink-3); }

/* Export sits above both aligned column headings. */
.export-toolbar { grid-column: 1 / -1; margin-bottom: -12px; }
.column-head { flex-wrap: wrap; }
.column-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.column-actions .sort-btn { margin-left: 0; }
.export-btn {
  border: 1px solid var(--hair); background: var(--surface); color: var(--ink);
  border-radius: 999px; min-height: 40px; padding: 8px 12px; font: inherit; font-size: 13px; cursor: pointer;
}
.export-btn:hover { border-color: var(--ink-3); }
.export-btn:disabled { opacity: .5; cursor: wait; }

/* ---------- 使用说明 (first-visit guide: title + product video) ---------- */
.guide {
  /* Wide enough for a large video, but short screens shrink it so title + video fit without scrolling. */
  width: min(1040px, calc(100vw - 32px), calc((100vh - 260px) * 16 / 9 + 66px));
  max-height: calc(100vh - 48px); padding: 0; border: 1px solid var(--hair);
  border-radius: 20px; background: var(--raised); color: var(--ink); box-shadow: var(--shadow-menu);
}
.guide:focus { outline: none; }
.guide::backdrop { background: rgba(0, 0, 0, 0.45); backdrop-filter: blur(2px); }
.guide-body { padding: 28px 32px 22px; }
.guide-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.guide-title { margin: 0; font-size: 40px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.guide-video {
  /* cover, no border, no black fill: the picture fills the 16:9 box exactly, so no dark strips at the sides. */
  display: block; width: 100%; aspect-ratio: 16 / 9; border-radius: 12px; object-fit: cover; background: var(--surface);
  box-shadow: 0 0 0 1px var(--hair);
}
.guide-ok {
  display: block; width: min(360px, 100%); height: 48px; margin: 18px auto 0; border: 0; border-radius: 12px;
  background: var(--ink); color: var(--bg); font: inherit; font-size: 16px; font-weight: 600; cursor: pointer;
}
.guide-ok:hover { opacity: .88; }
.guide-foot { margin: 12px 0 0; color: var(--ink-3); font-size: 12px; text-align: center; }
@media (max-width: 560px) {
  .guide-body { padding: 18px 14px 14px; }
  .guide-head { margin-bottom: 14px; }
  .guide-title { font-size: 28px; }
  .guide-video { border-radius: 8px; }
  .guide-ok { width: 100%; margin-top: 14px; }
}

/* ---------- 登录 / 注册 (e-mail code) ---------- */
.brand-spacer { margin-right: auto; }
.login { display: flex; flex-direction: column; align-items: center; gap: 24px; padding: clamp(32px, 9vh, 96px) 16px 64px; }
.login-brand { margin: 0; font-size: 20px; gap: 10px; }
.login-brand .brand-mark { width: 36px; height: 36px; }
.login-card {
  display: flex; flex-direction: column; width: min(400px, 100%); padding: 32px;
  border-radius: 20px; background: var(--raised); border: 1px solid var(--hair);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 32px rgba(0, 0, 0, 0.05);
}
.login-title { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.login-lead { margin: 6px 0 24px; color: var(--ink-2); font-size: 14px; text-wrap: balance; }
.login-lead span { white-space: nowrap; }
.login-label { display: block; margin: 0 0 8px; color: var(--ink-2); font-size: 13px; font-weight: 500; }
.login-input {
  width: 100%; height: 48px; padding: 0 14px; border-radius: 12px; border: 1px solid var(--hair-strong);
  background: var(--bg); color: var(--ink); font: inherit; font-size: 16px; outline: 0;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.login-input::placeholder { color: var(--ink-3); opacity: 1; }
.login-input:focus { border-color: var(--ink-3); box-shadow: 0 0 0 4px var(--accent-wash); }
#login-code-row { margin-top: 16px; }
.login-code-field { position: relative; }
.login-code-field .login-input { padding-right: 116px; }
#login-code:not(:placeholder-shown) { font-family: var(--font-mono); letter-spacing: .3em; }
.login-resend {
  position: absolute; top: 50%; right: 6px; transform: translateY(-50%); height: 36px; padding: 0 12px;
  border: 0; border-radius: 8px; background: transparent; color: var(--ink); font: inherit; font-size: 14px;
  font-weight: 600; cursor: pointer; white-space: nowrap;
}
.login-resend:hover:not(:disabled) { background: var(--surface); }
.login-resend:disabled { color: var(--ink-3); cursor: default; }
.login-primary {
  height: 48px; margin-top: 16px; border: 0; border-radius: 12px; background: var(--ink); color: var(--bg);
  font: inherit; font-size: 16px; font-weight: 600; cursor: pointer; transition: opacity .2s var(--ease);
}
.login-primary:hover:not(:disabled) { opacity: .88; }
.login-primary:disabled { opacity: .5; cursor: wait; }
.login-note { min-height: 1.4em; margin: 14px 0 0; color: var(--ink-2); font-size: 13px; line-height: 1.5; }
.login-note:empty { display: none; }
.login-note.is-error { color: var(--short); }
.login-hint { margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--hair); color: var(--ink-3); font-size: 13px; line-height: 1.5; }
@media (max-width: 480px) { .login-card { padding: 24px 20px; border-radius: 16px; } }