:root {
  color-scheme: light;
  --bg: #f3f5f7;
  --surface: #ffffff;
  --surface-soft: #f8fafb;
  --line: #dce2e7;
  --line-strong: #c5cdd4;
  --text: #15202b;
  --muted: #64717d;
  --quiet: #8c98a3;
  --buy: #c23845;
  --buy-soft: #fae9eb;
  --sell: #12805c;
  --sell-soft: #e3f3ed;
  --hold: #8a6516;
  --hold-soft: #f7f0dc;
  --info: #176b87;
  --info-soft: #e3f2f6;
  --sidebar: #20282f;
  --sidebar-text: #eef2f4;
  --sidebar-muted: #96a3ac;
  --radius: 6px;
  --shadow: 0 8px 24px rgba(28, 39, 48, 0.07);
}

* { box-sizing: border-box; }

[hidden], .chart-empty[hidden], .empty-market[hidden] { display: none !important; }

html, body { margin: 0; min-height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}

button, input, select { font: inherit; }

button { cursor: pointer; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 260px 1fr minmax(360px, 440px);
  align-items: center;
  height: 64px;
  padding: 0 22px 0 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 5px;
  background: var(--sidebar);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; }
.brand small { margin-top: 1px; color: var(--muted); font-size: 11px; }

.asset-switch {
  justify-self: center;
  display: grid;
  grid-template-columns: repeat(2, 96px);
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
}
.asset-button {
  height: 32px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font-weight: 650;
}
.asset-button.is-active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(20, 30, 38, .12); }

.topbar-status { justify-self: end; display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--hold); }
.status-dot.is-online { background: var(--sell); box-shadow: 0 0 0 4px var(--sell-soft); }
.icon-button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-left: 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text);
  font-size: 18px;
}
.icon-button:hover { border-color: var(--line-strong); background: var(--surface-soft); }
.icon-button.is-loading { animation: spin .8s linear infinite; }
.account-button, .primary-button, .secondary-button, .table-action {
  min-height: 34px;
  padding: 0 13px;
  border-radius: 5px;
  font-weight: 650;
}
.account-button, .secondary-button, .table-action { border: 1px solid var(--line); background: var(--surface); color: var(--text); }
.account-button:hover, .secondary-button:hover, .table-action:hover { border-color: var(--line-strong); background: var(--surface-soft); }
.primary-button { border: 1px solid var(--sidebar); background: var(--sidebar); color: #fff; }
.primary-button:hover { background: #313c44; }
.account-menu { display: flex; align-items: center; gap: 7px; color: var(--text); }
.account-menu .icon-button { margin-left: 2px; }
.account-avatar { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--info-soft); color: var(--info); font-size: 11px; font-weight: 800; }

.app-shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: calc(100vh - 64px); }
.sidebar {
  position: sticky;
  top: 64px;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 64px);
  overflow: hidden;
  background: var(--sidebar);
  color: var(--sidebar-text);
}
.primary-nav { padding: 18px 12px 14px; border-bottom: 1px solid rgba(255,255,255,.09); }
.nav-button {
  display: flex;
  align-items: center;
  width: 100%;
  height: 40px;
  padding: 0 12px;
  gap: 12px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--sidebar-muted);
  text-align: left;
}
.nav-button span { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; color: #66737c; }
.nav-button:hover { color: var(--sidebar-text); background: rgba(255,255,255,.05); }
.nav-button.is-active { color: #fff; background: #313c44; }
.nav-button.is-active span { color: #6fc5dd; }

.watchlist-section { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.section-label {
  display: flex;
  justify-content: space-between;
  padding: 18px 16px 10px;
  color: var(--sidebar-muted);
  font-size: 11px;
  font-weight: 700;
}
.section-label span:last-child { font-family: ui-monospace, monospace; }
.section-tools { display: flex; align-items: center; gap: 8px; }
.watch-add { display: grid; place-items: center; width: 24px; height: 24px; padding: 0; border: 1px solid #66737c; border-radius: 4px; background: transparent; color: var(--sidebar-text); font-size: 17px; line-height: 1; }
.watch-add:hover { border-color: #8c9aa4; background: rgba(255,255,255,.06); }
.watchlist { overflow-y: auto; padding: 0 8px 16px; }
.watch-row { position: relative; }
.watch-item {
  width: 100%;
  min-height: 62px;
  padding: 10px;
  border: 0;
  border-left: 3px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--sidebar-text);
  text-align: left;
}
.watch-item:hover { background: rgba(255,255,255,.05); }
.watch-item.is-active { border-left-color: #65bad2; background: rgba(255,255,255,.08); }
.watch-item-top, .watch-item-bottom { display: flex; justify-content: space-between; gap: 8px; }
.watch-item-top strong { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.watch-item-top span { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.watch-item-bottom { margin-top: 6px; color: var(--sidebar-muted); font-size: 10px; }
.watch-row.has-actions .watch-item { padding-right: 58px; }
.watch-actions { position: absolute; top: 8px; right: 7px; display: grid; grid-template-columns: repeat(2, 23px); gap: 3px; }
.watch-action { display: grid; place-items: center; width: 23px; height: 23px; padding: 0; border: 1px solid rgba(255,255,255,.12); border-radius: 4px; background: rgba(25,32,38,.78); color: var(--sidebar-muted); font-size: 13px; }
.watch-action:hover { border-color: rgba(255,255,255,.28); color: var(--sidebar-text); }
.watch-action.is-loading { animation: spin .8s linear infinite; }
.side-buy { color: #ff9ca5; }
.side-sell { color: #6ed0ad; }
.side-hold { color: #e0c174; }
.watch-empty { padding: 24px 12px; color: var(--sidebar-muted); font-size: 12px; line-height: 1.7; }
.sidebar-footer { display: flex; justify-content: space-between; padding: 13px 16px; border-top: 1px solid rgba(255,255,255,.09); color: var(--sidebar-muted); font-size: 10px; }

.main-content { min-width: 0; padding: 22px; }
.view { display: none; }
.view.is-active { display: block; }

.metrics-band {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  min-height: 88px;
  margin-bottom: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric { padding: 16px 18px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric span { display: block; color: var(--muted); font-size: 11px; }
.metric strong { display: block; margin-top: 8px; font-size: 22px; line-height: 1; }
.metric small { display: block; margin-top: 7px; color: var(--quiet); font-size: 10px; }

.data-alert { margin-bottom: 16px; padding: 11px 14px; border: 1px solid #ead69e; border-radius: var(--radius); background: #fff9e9; color: #70551a; font-size: 12px; }
.market-workspace { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.instrument-header {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto 190px;
  align-items: center;
  gap: 28px;
  min-height: 104px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.instrument-kicker { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 10px; text-transform: uppercase; }
.instrument-kicker > span:not(.freshness-badge) { padding-right: 8px; border-right: 1px solid var(--line); }
.instrument-header h1 { margin: 8px 0 0; font-size: 21px; line-height: 1.2; }
.instrument-header h1 small { margin-left: 6px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; font-weight: 500; }
.freshness-badge { padding: 3px 6px; border-radius: 3px; background: var(--sell-soft); color: var(--sell); }
.freshness-badge.is-stale { background: var(--hold-soft); color: var(--hold); }
.price-block { text-align: right; }
.price-block strong { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 27px; }
.price-block span { display: block; margin-top: 5px; font-size: 12px; }
.price-up { color: var(--buy); }
.price-down { color: var(--sell); }
.recommendation-block { min-width: 170px; padding-left: 22px; border-left: 1px solid var(--line); }
.recommendation-block span, .recommendation-block small { display: block; color: var(--muted); font-size: 10px; }
.recommendation-block strong { display: block; margin: 5px 0; font-size: 18px; }

.chart-toolbar { display: flex; justify-content: space-between; align-items: center; min-height: 50px; padding: 8px 18px; border-bottom: 1px solid var(--line); background: var(--surface-soft); }
.range-switch { display: flex; gap: 3px; }
.range-switch button { height: 30px; padding: 0 11px; border: 1px solid transparent; border-radius: 4px; background: transparent; color: var(--muted); font-size: 11px; }
.range-switch button.is-active { border-color: var(--line); background: var(--surface); color: var(--text); }
.indicator-switches { display: flex; gap: 16px; color: var(--muted); font-size: 11px; }
.indicator-switches label { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.indicator-switches input { accent-color: var(--info); }
.chart-frame { position: relative; height: 390px; min-height: 300px; background: #fbfcfd; }
#market-chart { display: block; width: 100%; height: 100%; }
.chart-tooltip { position: absolute; z-index: 4; min-width: 154px; padding: 9px 10px; border: 1px solid var(--line-strong); border-radius: 4px; background: rgba(255,255,255,.95); box-shadow: 0 7px 20px rgba(22,32,42,.12); pointer-events: none; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; line-height: 1.6; }
.chart-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); }

.detail-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(320px, .8fr); border-top: 1px solid var(--line); }
.analysis-panel, .signal-panel { min-width: 0; padding: 18px 20px 20px; }
.analysis-panel { border-right: 1px solid var(--line); }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.panel-heading h2 { margin: 0; font-size: 13px; }
.panel-heading span { color: var(--muted); font-size: 10px; }
.decision-reason { min-height: 20px; margin: 13px 0 15px; color: #3b4853; line-height: 1.55; }
.vote-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.vote-item { padding: 11px 12px; border-right: 1px solid var(--line); background: var(--surface-soft); }
.vote-item:last-child { border-right: 0; }
.vote-item span { display: block; color: var(--muted); font-size: 10px; }
.vote-item strong { display: block; margin-top: 5px; font-size: 12px; }
.indicator-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.indicator-item { padding: 9px 10px; border-left: 2px solid var(--line-strong); background: var(--surface-soft); }
.indicator-item span { display: block; color: var(--muted); font-size: 9px; }
.indicator-item strong { display: block; margin-top: 4px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.signal-list { margin-top: 10px; }
.signal-item { display: grid; grid-template-columns: 52px 70px 1fr; align-items: start; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.signal-item:last-child { border-bottom: 0; }
.signal-item time { color: var(--muted); font-size: 10px; }
.signal-item strong { font-size: 11px; }
.signal-item span { color: var(--muted); font-size: 10px; line-height: 1.45; }
.signal-empty { padding: 20px 0; color: var(--muted); font-size: 11px; }

.empty-market { min-height: 510px; display: grid; place-content: center; justify-items: center; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); text-align: center; }
.empty-code { display: grid; place-items: center; width: 64px; height: 64px; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--info); font-family: ui-monospace, monospace; font-weight: 800; }
.empty-market h2 { margin: 18px 0 6px; font-size: 18px; }
.empty-market p { margin: 0; color: var(--muted); }

.page-heading { display: flex; align-items: end; justify-content: space-between; min-height: 78px; margin-bottom: 16px; }
.page-heading span { color: var(--info); font-family: ui-monospace, monospace; font-size: 10px; }
.page-heading h1 { margin: 5px 0 0; font-size: 24px; }
.page-heading p { margin: 0 0 3px; color: var(--muted); font-size: 12px; }
.heading-actions { display: flex; align-items: center; gap: 14px; }
.access-gate { min-height: 360px; display: grid; place-content: center; justify-items: center; padding: 42px 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); text-align: center; }
.gate-mark { display: grid; place-items: center; width: 54px; height: 54px; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--info); font-family: ui-monospace, monospace; font-size: 13px; font-weight: 800; }
.access-gate h2 { margin: 17px 0 6px; font-size: 18px; }
.access-gate p { margin: 0; color: var(--muted); font-size: 12px; }
.gate-actions { display: flex; gap: 8px; margin-top: 20px; }
.table-panel { position: relative; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; min-width: 820px; }
th, td { height: 50px; padding: 0 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { background: var(--surface-soft); color: var(--muted); font-size: 10px; font-weight: 700; }
td { font-size: 12px; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fafcfd; }
.symbol-cell strong, .symbol-cell span { display: block; }
.symbol-cell span { margin-top: 3px; color: var(--muted); font-family: ui-monospace, monospace; font-size: 10px; }
.parameter-cell { max-width: 360px; color: var(--muted); font-family: ui-monospace, monospace; font-size: 10px; white-space: normal; line-height: 1.5; }
.market-tag { display: inline-block; padding: 3px 6px; border-radius: 3px; background: var(--info-soft); color: var(--info); font-size: 10px; }
.table-empty { padding: 44px 20px; color: var(--muted); text-align: center; }
.visibility-badge { display: inline-flex; align-items: center; min-height: 24px; padding: 0 7px; border-radius: 3px; background: var(--surface-soft); color: var(--muted); font-size: 10px; }
.visibility-badge.is-public { background: var(--sell-soft); color: var(--sell); }
.owner-label { color: var(--muted); font-size: 11px; }

.app-dialog { width: min(430px, calc(100vw - 28px)); padding: 22px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--text); box-shadow: 0 18px 55px rgba(18, 29, 38, .22); }
.app-dialog::backdrop { background: rgba(20, 29, 36, .48); }
.strategy-dialog { width: min(680px, calc(100vw - 28px)); }
.dialog-close-form { position: absolute; top: 13px; right: 13px; }
.dialog-heading span { color: var(--info); font-family: ui-monospace, monospace; font-size: 10px; }
.dialog-heading h2 { margin: 5px 0 18px; font-size: 20px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 17px; padding: 3px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-soft); }
.auth-tab { height: 32px; border: 0; border-radius: 4px; background: transparent; color: var(--muted); font-weight: 650; }
.auth-tab.is-active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(20, 30, 38, .12); }
.field { display: grid; gap: 6px; margin-bottom: 13px; color: var(--muted); font-size: 11px; }
.field input, .field select { width: 100%; height: 38px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--surface); color: var(--text); outline: none; }
.field input:focus, .field select:focus { border-color: var(--info); box-shadow: 0 0 0 2px var(--info-soft); }
.dialog-submit { width: 100%; margin-top: 5px; }
.form-error { margin: 0 0 12px; padding: 9px 10px; border-left: 3px solid var(--buy); background: var(--buy-soft); color: var(--buy); font-size: 11px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
.field-wide { grid-column: 1 / -1; }

.system-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.system-item { min-height: 116px; padding: 17px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.system-item span { display: block; color: var(--muted); font-size: 10px; }
.system-item strong { display: block; margin-top: 10px; font-size: 15px; word-break: break-word; }
.system-item small { display: block; margin-top: 8px; color: var(--quiet); font-size: 10px; }
.error-panel { margin-top: 14px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.error-list { margin-top: 12px; }
.error-item { display: flex; justify-content: space-between; gap: 20px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 11px; }
.error-item span:last-child { color: var(--muted); }

.rec-buy { color: var(--buy); }
.rec-sell { color: var(--sell); }
.rec-hold { color: var(--hold); }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1100px) {
  .topbar { grid-template-columns: 220px 1fr minmax(300px, 380px); }
  .app-shell { grid-template-columns: 210px minmax(0, 1fr); }
  .instrument-header { grid-template-columns: minmax(180px, 1fr) auto 150px; gap: 16px; }
  .detail-grid { grid-template-columns: 1fr; }
  .analysis-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .system-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .topbar { position: static; grid-template-columns: 1fr auto; height: auto; min-height: 64px; padding: 10px 12px; }
  .asset-switch { order: 3; grid-column: 1 / -1; width: 100%; margin-top: 8px; grid-template-columns: repeat(2, 1fr); }
  .topbar-status > span:not(.status-dot) { display: none; }
  .account-menu strong { display: none; }
  .app-shell { display: block; }
  .sidebar { position: static; height: auto; }
  .primary-nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 8px; overflow-x: auto; }
  .nav-button { justify-content: center; min-width: 98px; padding: 0 8px; gap: 6px; }
  .watchlist-section { display: block; }
  .section-label { padding: 10px 12px 7px; }
  .watchlist { display: flex; gap: 6px; padding: 0 8px 10px; overflow-x: auto; }
  .watch-row { flex: 0 0 168px; }
  .watch-item { flex: 0 0 168px; min-height: 58px; }
  .watch-empty { padding: 10px 12px; }
  .sidebar-footer { display: none; }
  .main-content { padding: 12px; }
  .metrics-band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric { border-bottom: 1px solid var(--line); }
  .metric:nth-child(2n) { border-right: 0; }
  .metric:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .instrument-header { grid-template-columns: 1fr auto; min-height: 0; padding: 16px; }
  .recommendation-block { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto auto; align-items: center; padding: 12px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .recommendation-block strong { margin: 0 10px; }
  .chart-toolbar { align-items: flex-start; gap: 10px; flex-direction: column; }
  .indicator-switches { width: 100%; justify-content: space-between; }
  .chart-frame { height: 330px; }
  .indicator-row { grid-template-columns: repeat(2, 1fr); }
  .page-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .heading-actions { width: 100%; justify-content: space-between; }
  .system-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .brand small { display: none; }
  .primary-nav { grid-template-columns: repeat(4, 104px); }
  .metrics-band { grid-template-columns: 1fr 1fr; }
  .metric { padding: 13px; }
  .instrument-header { gap: 10px; }
  .instrument-header h1 { font-size: 17px; }
  .price-block strong { font-size: 22px; }
  .chart-frame { height: 300px; }
  .vote-grid { grid-template-columns: 1fr; }
  .vote-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .vote-item:last-child { border-bottom: 0; }
  .signal-item { grid-template-columns: 48px 62px 1fr; }
  .account-button { max-width: 112px; overflow: hidden; text-overflow: ellipsis; }
  .form-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
}