:root {
  color-scheme: light;
  --bg: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --surface-3: #ecebe5;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --border: rgba(11, 11, 11, 0.1);
  --series-1: #2a78d6;
  --series-soft: #cde2fb;
  --up: #d03b3b;
  --up-bg: rgba(208, 59, 59, 0.1);
  --down: #0ca30c;
  --down-bg: rgba(12, 163, 12, 0.1);
  --warning: #fab219;
  --warning-ink: #7a4b00;
  --critical: #d03b3b;
  --critical-ink: #a02020;
  --good: #0ca30c;
  --good-ink: #006300;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04), 0 8px 24px rgba(11, 11, 11, 0.04);
  --radius: 14px;
  --radius-sm: 9px;
  --font: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #222220;
    --surface-3: #2a2a27;
    --text: #f0efec;
    --text-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --border: rgba(255, 255, 255, 0.1);
    --series-1: #3987e5;
    --series-soft: #184f95;
    --up: #e66767;
    --up-bg: rgba(208, 59, 59, 0.18);
    --down: #2fbf2f;
    --down-bg: rgba(12, 163, 12, 0.16);
    --warning: #fab219;
    --warning-ink: #fab219;
    --critical: #e66767;
    --critical-ink: #e66767;
    --good: #2fbf2f;
    --good-ink: #2fbf2f;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #222220;
  --surface-3: #2a2a27;
  --text: #f0efec;
  --text-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --border: rgba(255, 255, 255, 0.1);
  --series-1: #3987e5;
  --series-soft: #184f95;
  --up: #e66767;
  --up-bg: rgba(208, 59, 59, 0.18);
  --down: #2fbf2f;
  --down-bg: rgba(12, 163, 12, 0.16);
  --warning: #fab219;
  --warning-ink: #fab219;
  --critical: #e66767;
  --critical-ink: #e66767;
  --good: #2fbf2f;
  --good-ink: #2fbf2f;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--series-1); }
h1, h2, h3 { line-height: 1.25; margin: 0; }
h2 { font-size: 21px; }
h3 { font-size: 15px; }
button, input, select { font: inherit; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--surface); padding: 8px 12px; border-radius: 8px;
}
.skip-link:focus { left: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.topbar {
  max-width: 1320px;
  margin: 0 auto;
  padding: 20px 24px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 12px; background: var(--up); color: #fff;
  font-weight: 700; font-size: 20px; box-shadow: var(--shadow);
}
.brand h1 { margin: 0; font-size: clamp(19px, 2.4vw, 24px); }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.link-pill {
  text-decoration: none; color: var(--text-2); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 12px; font-size: 12.5px; background: var(--surface);
}
.link-pill:hover { border-color: var(--series-1); color: var(--series-1); }

.tabs {
  max-width: 1320px; margin: 0 auto; padding: 0 24px;
  display: flex; gap: 6px; border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab {
  appearance: none; border: 0; background: transparent; color: var(--text-2);
  padding: 11px 14px; border-bottom: 2px solid transparent; cursor: pointer;
  white-space: nowrap; font-size: 13.5px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--up); font-weight: 600; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 22px 24px 48px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.section-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; margin-bottom: 14px;
}
.subtle { color: var(--text-2); font-size: 13px; margin: 4px 0 0; }
.muted { color: var(--muted); font-size: 12px; }
.status { min-height: 20px; margin: 8px 0 12px; color: var(--text-2); font-size: 12.5px; }
.status.error { color: var(--critical-ink); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 16px;
  min-width: 0;
}
.card-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 12px;
}
.grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.index-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 16px; }

.index-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.index-card .name { color: var(--text-2); font-size: 13px; display: flex; justify-content: space-between; }
.index-card .price { font-size: 30px; font-weight: 700; margin: 6px 0 0; font-variant-numeric: tabular-nums; }
.index-card .sub { color: var(--muted); font-size: 11.5px; margin-top: 6px; }
.index-card .pct { font-weight: 600; }
.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--text-2); }

.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.stat-grid.wide { grid-template-columns: repeat(6, minmax(0, 1fr)); margin-bottom: 16px; }
.stat {
  background: var(--surface-2); border-radius: var(--radius-sm);
  padding: 10px 12px; min-width: 0;
}
.stat .k { color: var(--muted); font-size: 11.5px; }
.stat .v { font-size: 18px; font-weight: 650; margin-top: 2px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.stat .h { color: var(--muted); font-size: 11px; margin-top: 2px; }

.stat-list { display: grid; gap: 7px; }
.stat-row { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; border-bottom: 1px dashed var(--border); padding-bottom: 6px; }
.stat-row:last-child { border-bottom: 0; padding-bottom: 0; }
.stat-row .k { color: var(--text-2); }
.stat-row .v { font-variant-numeric: tabular-nums; text-align: right; }

.badge { display: inline-flex; align-items: center; gap: 4px; border-radius: 999px; padding: 1px 9px; font-size: 11.5px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-2); }
.badge.up { color: var(--up); background: var(--up-bg); border-color: transparent; }
.badge.down { color: var(--down); background: var(--down-bg); border-color: transparent; }
.badge.warn { color: var(--warning-ink); background: rgba(250, 178, 25, 0.16); border-color: transparent; }
.badge.bad { color: var(--critical-ink); background: var(--up-bg); border-color: transparent; }

.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface);
  color: var(--text); border-radius: 9px; padding: 8px 13px; cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: var(--series-1); color: var(--series-1); }
.btn.primary { background: var(--up); border-color: var(--up); color: #fff; }
.btn.primary:hover { opacity: 0.92; color: #fff; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
thead th {
  text-align: left; color: var(--muted); font-weight: 500; font-size: 11.5px;
  padding: 8px 8px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
tbody td { padding: 8px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--surface-2); }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.r { text-align: right; }
.name-cell b { font-weight: 600; }
.name-cell span { color: var(--muted); font-size: 11px; margin-left: 4px; }

.chart-box { width: 100%; min-height: 150px; margin: 10px 0 4px; }
.chart-box svg { display: block; width: 100%; height: auto; }

.filter-bar { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.filter-bar label { display: flex; flex-direction: column; gap: 4px; color: var(--text-2); font-size: 12px; }
.filter-bar input, .filter-bar select {
  padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text); min-width: 120px;
}

.auth-card { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.auth-card label { display: flex; flex-direction: column; gap: 4px; color: var(--text-2); font-size: 12px; flex: 1 1 320px; }
.auth-card input { width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); }

.trade-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 12px; }
.trade-form label { display: flex; flex-direction: column; gap: 4px; color: var(--text-2); font-size: 12px; }
.trade-form input, .trade-form select {
  width: 100%; padding: 8px 9px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text);
}
.trade-form button { grid-column: 1 / -1; }
.settings-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px 12px; }
.settings-grid label { display: flex; flex-direction: column; gap: 4px; color: var(--text-2); font-size: 12px; }
.settings-grid input { width: 100%; padding: 8px 9px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); }
.settings-grid button { grid-column: 1 / -1; justify-self: start; }

.suggest-result { margin-top: 12px; font-size: 13px; color: var(--text-2); }
.suggest-result b { color: var(--text); }

.alert-list { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.alert-list li { font-size: 12.5px; padding: 6px 9px; border-radius: 8px; background: var(--surface-2); }
.alert-list li.fail { color: var(--critical-ink); background: var(--up-bg); }
.alert-list li.warn { color: var(--warning-ink); background: rgba(250, 178, 25, 0.14); }
.alert-list li.pass { color: var(--good-ink); background: var(--down-bg); }

.method-card h3 { margin-bottom: 8px; }
.method-card p, .method-card li { color: var(--text-2); font-size: 13px; }
.list-clean { margin: 6px 0 0; padding-left: 18px; display: grid; gap: 4px; }

.footer {
  max-width: 1320px; margin: 0 auto; padding: 20px 24px 40px;
  border-top: 1px solid var(--border); color: var(--text-2); font-size: 12px;
}
.footer p { margin: 4px 0; }

/* 抽屉 */
.drawer { position: fixed; inset: 0; z-index: 50; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.35); }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(620px, 94vw);
  background: var(--surface); border-left: 1px solid var(--border);
  padding: 20px; overflow-y: auto; box-shadow: var(--shadow);
}
.drawer-close {
  position: absolute; top: 10px; right: 14px; border: 0; background: transparent;
  font-size: 26px; line-height: 1; color: var(--muted); cursor: pointer;
}
.drawer h3 { margin-bottom: 4px; }
.drawer .drawer-sub { color: var(--muted); font-size: 12px; margin-bottom: 14px; }
.drawer .kv { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; font-size: 13px; margin: 12px 0; }
.drawer .kv .k { color: var(--text-2); }
.drawer .kv .v { text-align: right; font-variant-numeric: tabular-nums; }
.score-bars { display: grid; gap: 6px; margin: 10px 0; }
.score-bar { display: grid; grid-template-columns: 60px 1fr 34px; gap: 8px; align-items: center; font-size: 12px; }
.score-track { height: 7px; background: var(--surface-3); border-radius: 999px; overflow: hidden; }
.score-fill { height: 100%; background: var(--series-1); }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 9px 16px; border-radius: 999px;
  font-size: 13px; z-index: 80; max-width: 90vw;
}
.toast.error { background: var(--critical); color: #fff; }

@media (max-width: 980px) {
  .grid-2 { grid-template-columns: 1fr; }
  .index-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat-grid.wide { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .topbar { padding: 14px 16px 10px; align-items: flex-start; flex-wrap: wrap; }
  .brand p { display: none; }
  .topbar-right { gap: 8px; width: 100%; justify-content: flex-start; }
  .tabs { padding: 0 16px; }
  .wrap { padding: 16px 16px 36px; }
  .index-grid { grid-template-columns: 1fr; }
  .stat-grid, .stat-grid.wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .index-card .price { font-size: 26px; }
  .section-head { flex-direction: column; align-items: stretch; }
  .trade-form { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}