:root {
  --bg: #070b16;
  --bg-2: #0b1020;
  --panel: rgba(17, 25, 43, 0.86);
  --panel-solid: #111a2b;
  --panel-2: #0e1626;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e8eefc;
  --muted: #8ea0bd;
  --muted-2: #64748b;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --up: #f6465d;
  --down: #2ebd85;
  --warn: #fbbf24;
  --ok: #2dd4bf;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "SF Mono", "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(56, 189, 248, 0.12), transparent 60%),
    radial-gradient(900px 500px at 95% 0%, rgba(129, 140, 248, 0.12), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }
ol, ul { margin: 0; padding-left: 1.15rem; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 12px 28px;
  background: rgba(7, 11, 22, 0.78);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 168px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 20px;
  color: #04121f;
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.3);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; letter-spacing: 0.08em; }
.brand-text small { color: var(--muted); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; }
.brand-version {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 5px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 999px;
  color: var(--accent);
  font-size: 9px;
  letter-spacing: 0.06em;
  vertical-align: 1px;
}
.nav { display: flex; gap: 6px; flex: 1; }
.nav a {
  padding: 9px 15px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  transition: 0.2s;
}
.nav a:hover { color: var(--text); background: rgba(148, 163, 184, 0.08); }
.nav a.active { color: #06131f; background: linear-gradient(135deg, #38bdf8, #7dd3fc); font-weight: 650; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 11.5px;
  white-space: nowrap;
  border: 1px solid var(--border);
  color: var(--muted);
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-open { color: var(--up); border-color: rgba(246, 70, 93, 0.3); background: rgba(246, 70, 93, 0.08); }
.pill-closed { color: var(--down); border-color: rgba(46, 189, 133, 0.3); background: rgba(46, 189, 133, 0.08); }
.pill-live { color: var(--accent); border-color: rgba(56, 189, 248, 0.35); background: rgba(56, 189, 248, 0.08); }
.btn {
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 12.5px;
  color: var(--text);
  background: rgba(148, 163, 184, 0.08);
  transition: 0.18s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: linear-gradient(135deg, #38bdf8, #6366f1); border: 0; color: #04121f; font-weight: 700; }
.btn-primary:hover { filter: brightness(1.08); color: #04121f; }
.btn[disabled] { opacity: 0.5; cursor: wait; }
.btn-ghost { background: transparent; }

.banner {
  margin: 14px 28px 0;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 12.5px;
  color: var(--warn);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
}

main { max-width: 1440px; margin: 0 auto; padding: 22px 28px 60px; }
.page { display: none; animation: fade 0.28s ease; }
.page.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.card {
  position: relative;
  background: linear-gradient(180deg, rgba(23, 33, 54, 0.9), rgba(13, 20, 35, 0.92));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: var(--radius);
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255,255,255,0.04), transparent 35%);
}
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.card h2 { font-size: 15px; letter-spacing: 0.02em; display: flex; align-items: center; gap: 10px; }
.card h2::before { content: ""; width: 3px; height: 15px; border-radius: 2px; background: linear-gradient(var(--accent), var(--accent-2)); }
.sub { margin-top: 6px; color: var(--muted); font-size: 12px; }
.muted { color: var(--muted); }
.small { font-size: 11.5px; }
.empty { color: var(--muted); padding: 26px; text-align: center; font-size: 13px; }
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 650;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
}
.badge-up { color: var(--up); background: rgba(246,70,93,.1); border-color: rgba(246,70,93,.25); }
.badge-down { color: var(--down); background: rgba(46,189,133,.1); border-color: rgba(46,189,133,.25); }
.badge-warn { color: var(--warn); background: rgba(251,191,36,.1); border-color: rgba(251,191,36,.25); }
.badge-muted { color: var(--muted); background: rgba(148,163,184,.08); border-color: var(--border); }

.hero-grid { display: grid; grid-template-columns: 1.05fr 1.35fr; gap: 16px; }
.gate-card { display: flex; flex-direction: column; }
.gate-body { display: flex; gap: 22px; align-items: center; }
.gate-value { display: flex; flex-direction: column; gap: 4px; min-width: 128px; }
.gate-value span { font-family: var(--mono); font-size: 34px; font-weight: 700; letter-spacing: -0.02em; }
.gate-value small { color: var(--muted); font-size: 11px; }
.gate-meter { flex: 1; }
.meter-track { height: 8px; border-radius: 999px; background: rgba(148,163,184,.14); overflow: hidden; }
.meter-fill { height: 100%; width: 50%; border-radius: 999px; background: linear-gradient(90deg, var(--down), var(--warn), var(--up)); transition: width .5s; }
.meter-labels { display: flex; justify-content: space-between; margin-top: 7px; color: var(--muted); font-size: 11px; font-family: var(--mono); }
.gate-meter p { margin-top: 10px; font-size: 12px; line-height: 1.5; }
.callout { margin-top: 12px; padding: 9px 12px; border-radius: 10px; font-size: 12px; }
.callout-warn { color: var(--warn); background: rgba(251,191,36,.07); border: 1px solid rgba(251,191,36,.2); }
.callout-info { color: var(--accent); background: rgba(56,189,248,.07); border: 1px solid rgba(56,189,248,.2); }

.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.kpi { padding: 12px; border-radius: 12px; background: rgba(8, 13, 24, 0.5); border: 1px solid var(--border); }
.kpi span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 7px; }
.kpi strong { display: block; font-family: var(--mono); font-size: 19px; letter-spacing: -0.02em; }
.kpi small { display: block; margin-top: 5px; font-size: 10.5px; }
.mini-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.mini-stats div { display: flex; justify-content: space-between; align-items: center; padding: 8px 11px; border-radius: 9px; background: rgba(148,163,184,.05); font-size: 11.5px; }
.mini-stats span { color: var(--muted); }
.mini-stats b { font-family: var(--mono); }

.signal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.signal-card {
  position: relative;
  padding: 16px;
  border-radius: 13px;
  border: 1px solid rgba(246, 70, 93, 0.22);
  background: linear-gradient(160deg, rgba(246, 70, 93, 0.08), rgba(17, 25, 43, 0.6));
  transition: 0.2s;
}
.signal-card:hover { transform: translateY(-2px); border-color: rgba(246, 70, 93, 0.45); }
.signal-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.signal-name { font-size: 16px; font-weight: 700; }
.signal-code { font-family: var(--mono); color: var(--muted); font-size: 11px; margin-left: 7px; }
.signal-price { text-align: right; }
.signal-price b { display: block; font-family: var(--mono); font-size: 19px; }
.signal-price span { font-size: 11.5px; }
.signal-reason { margin: 12px 0; color: #c7d2e4; font-size: 11.5px; line-height: 1.65; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip { padding: 3px 8px; border-radius: 6px; font-size: 10.5px; border: 1px solid var(--border); color: var(--muted); }
.chip.ok { color: var(--ok); border-color: rgba(45,212,191,.3); background: rgba(45,212,191,.08); }
.chip.bad { color: #fca5a5; border-color: rgba(248,113,113,.25); background: rgba(248,113,113,.06); }
.signal-foot { display: flex; justify-content: space-between; align-items: center; }
.score { font-family: var(--mono); font-size: 12px; color: var(--warn); }
.link-btn { border: 0; background: none; color: var(--accent); font-size: 11.5px; padding: 0; }
.link-btn:hover { text-decoration: underline; }

.short-hero { border-color: rgba(56, 189, 248, 0.28); }
.short-rules { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.short-rules span {
  padding: 5px 10px; border-radius: 999px; font-size: 11px; color: var(--accent);
  background: rgba(56, 189, 248, 0.08); border: 1px solid rgba(56, 189, 248, 0.22);
}
.short-card { border-color: rgba(56, 189, 248, 0.24); background: linear-gradient(160deg, rgba(56, 189, 248, 0.07), rgba(17, 25, 43, 0.6)); }
.short-card:hover { border-color: rgba(56, 189, 248, 0.5); }
.short-levels { display: flex; gap: 8px; margin: 10px 0 12px; }
.short-level { flex: 1; padding: 8px 6px; border-radius: 8px; background: rgba(8, 13, 24, 0.55); border: 1px solid var(--border); text-align: center; }
.short-level span { display: block; font-size: 10px; color: var(--muted); margin-bottom: 4px; }
.short-level b { font-family: var(--mono); font-size: 13px; }

.empty-state { text-align: center; padding: 40px 20px; }
.empty-state .empty-icon { font-size: 34px; color: var(--muted-2); margin-bottom: 10px; }
.empty-state h3 { font-size: 15px; margin-bottom: 8px; }
.empty-state p { color: var(--muted); font-size: 12px; max-width: 420px; margin: 0 auto; line-height: 1.6; }

.table-wrap { overflow-x: auto; border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th {
  position: sticky; top: 0;
  padding: 10px 12px;
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  font-size: 11px;
  background: rgba(10, 16, 29, 0.96);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td { padding: 11px 12px; border-bottom: 1px solid rgba(148,163,184,.07); white-space: nowrap; }
tbody tr { transition: background .15s; }
tbody tr:hover { background: rgba(56,189,248,.045); }
tbody tr.clickable { cursor: pointer; }
.num { font-family: var(--mono); text-align: right; }
.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--muted); }
.code-cell { font-family: var(--mono); color: var(--accent); }
.name-cell { font-weight: 600; }
.reason-cell { max-width: 380px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--muted); font-size: 11px; }

.chart-box { position: relative; width: 100%; margin: 4px 0 14px; }
.chart-box canvas { width: 100%; height: auto; display: block; border-radius: 10px; background: rgba(6, 11, 22, 0.45); }
.chart-tip {
  position: absolute; pointer-events: none;
  padding: 7px 9px; border-radius: 8px;
  background: rgba(7, 11, 22, 0.94);
  border: 1px solid var(--border-strong);
  font-size: 10.5px; line-height: 1.5; color: var(--text);
  font-family: var(--mono); white-space: pre;
  transform: translate(-50%, -110%);
  z-index: 5;
}

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.tabs-inline { margin-top: 4px; }
.tab {
  border: 0; background: none; color: var(--muted);
  padding: 9px 14px; font-size: 12px; border-bottom: 2px solid transparent;
}
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.panel { display: none; }
.panel.active { display: block; }

.backtest-box { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin-bottom: 14px; }
.bt-stat { padding: 12px; border-radius: 10px; background: rgba(8,13,24,.55); border: 1px solid var(--border); }
.bt-stat span { display: block; color: var(--muted); font-size: 10.5px; margin-bottom: 6px; }
.bt-stat b { font-family: var(--mono); font-size: 17px; }
.bt-empty { color: var(--muted); font-size: 12px; padding: 12px; }
.disclaimer { color: var(--muted-2); font-size: 10.5px; line-height: 1.6; }

.pool-head { flex-wrap: wrap; }
.pool-tools { display: flex; gap: 8px; flex-wrap: wrap; }
.input {
  background: rgba(8,13,24,.75);
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: 9px;
  padding: 8px 11px;
  font-size: 12px;
  outline: none;
  min-width: 120px;
}
.input:focus { border-color: var(--accent); }
.input::placeholder { color: var(--muted-2); }
select.input { cursor: pointer; }

.help-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }
.help-grid .card { margin-bottom: 0; }
.help-grid p { color: #c3cfe2; font-size: 12.5px; line-height: 1.75; margin-top: 8px; }
.rules { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; color: #c3cfe2; font-size: 12.5px; line-height: 1.6; }
.rules b { color: var(--accent); }
.flow { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.flow span { padding: 6px 11px; border-radius: 8px; background: rgba(56,189,248,.08); border: 1px solid rgba(56,189,248,.2); font-size: 11.5px; }
.flow i { color: var(--muted-2); font-style: normal; }
details { margin-top: 10px; padding: 10px 0; border-top: 1px solid var(--border); font-size: 12px; }
summary { cursor: pointer; color: var(--text); }
details p { color: var(--muted); margin-top: 7px; }

.drawer { position: fixed; inset: 0; z-index: 100; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(3, 6, 14, 0.72); backdrop-filter: blur(4px); }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(760px, 94vw);
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, #101a2c, #080d18);
  border-left: 1px solid var(--border-strong);
  box-shadow: -30px 0 80px rgba(0,0,0,.5);
  animation: slideIn .25s ease;
}
@keyframes slideIn { from { transform: translateX(30px); opacity: .4; } to { transform: none; opacity: 1; } }
.drawer-head { display: flex; justify-content: space-between; gap: 16px; padding: 20px 22px; border-bottom: 1px solid var(--border); }
.drawer-head h3 { font-size: 19px; }
.drawer-head p { margin-top: 5px; font-size: 12px; }
.drawer-body { overflow-y: auto; padding: 18px 22px 40px; }
.icon-btn { border: 1px solid var(--border); background: rgba(148,163,184,.06); color: var(--muted); width: 34px; height: 34px; border-radius: 9px; font-size: 20px; line-height: 1; }
.icon-btn:hover { color: var(--text); border-color: var(--accent); }
.detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.detail-grid div { padding: 10px; border-radius: 9px; background: rgba(148,163,184,.05); }
.detail-grid span { display: block; color: var(--muted); font-size: 10.5px; margin-bottom: 5px; }
.detail-grid b { font-family: var(--mono); font-size: 14px; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0 18px; }
.check {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 11px; border-radius: 9px; font-size: 11.5px;
  background: rgba(148,163,184,.05); border: 1px solid var(--border);
}
.check.ok { border-color: rgba(45,212,191,.25); background: rgba(45,212,191,.06); }
.check.bad { border-color: rgba(248,113,113,.2); background: rgba(248,113,113,.05); }
.check em { font-style: normal; color: var(--muted); font-family: var(--mono); }
.section-title { font-size: 12px; color: var(--muted); margin: 18px 0 9px; letter-spacing: .06em; text-transform: uppercase; }
.period-btns { display: flex; gap: 6px; margin-bottom: 8px; }
.period-btns button { border: 1px solid var(--border); background: rgba(148,163,184,.05); color: var(--muted); border-radius: 7px; padding: 5px 10px; font-size: 11px; }
.period-btns button.active { color: var(--accent); border-color: var(--accent); }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 4px 10px; font-size: 11.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  padding: 11px 18px; border-radius: 11px; z-index: 200;
  background: rgba(7, 11, 22, 0.96); border: 1px solid var(--border-strong);
  font-size: 12.5px; box-shadow: var(--shadow);
}
.toast.err { border-color: rgba(248,113,113,.4); color: #fca5a5; }

.footer { display: flex; justify-content: space-between; gap: 12px; max-width: 1440px; margin: 0 auto; padding: 22px 28px 40px; color: var(--muted-2); font-size: 11px; }

.skeleton { background: linear-gradient(90deg, rgba(148,163,184,.06), rgba(148,163,184,.14), rgba(148,163,184,.06)); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: 8px; }
@keyframes shimmer { to { background-position: -200% 0; } }

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .backtest-box { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .topbar { padding: 10px 14px; gap: 10px; flex-wrap: wrap; }
  .brand { min-width: auto; }
  .nav { order: 3; width: 100%; overflow-x: auto; }
  .nav a { padding: 7px 12px; }
  .top-actions { margin-left: auto; }
  main { padding: 14px 14px 40px; }
  .banner { margin: 12px 14px 0; }
  .card { padding: 15px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .mini-stats { grid-template-columns: 1fr 1fr; }
  .gate-body { flex-direction: column; align-items: stretch; }
  .backtest-box { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .signal-grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; padding: 18px 14px 30px; }
  .gate-value span { font-size: 28px; }
}