:root{
  --bg:#0B0E14; --surface:#141824; --surface2:#1B2030; --border:#262C3D;
  --text:#E8EAED; --text-dim:#8B93A7; --text-faint:#565E73;
  --accent:#E8A33D; --accent-dim:#4A3A1E;
  --buy:#3ECF8E; --buy-dim:#173B2C;
  --sell:#E85C6B; --sell-dim:#3B1A1F;
  --neutral:#6B7280; --neutral-dim:#23262E;
  --radius:16px; --radius-sm:10px;
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}
[data-theme="light"]{
  --bg:#F6F5F2; --surface:#FFFFFF; --surface2:#EFEDE8; --border:#E2DFD7;
  --text:#12141A; --text-dim:#5B6072; --text-faint:#9AA0B0;
  --accent:#C4791F; --accent-dim:#FBE9D1;
  --buy:#1F9D63; --buy-dim:#E1F5EB;
  --sell:#D13F51; --sell-dim:#FBE4E6;
  --neutral:#6B7280; --neutral-dim:#EDEEF0;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{overflow-x:clip;}
body{}
body{
  background:var(--bg); color:var(--text); font-family:var(--font-body);
  -webkit-font-smoothing:antialiased; transition:background .3s,color .3s;
  max-width:480px; margin:0 auto; min-height:100vh; position:relative;
  padding-bottom:calc(120px + env(safe-area-inset-bottom));
}
::selection{ background:var(--accent); color:#0B0E14; }

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 20px 14px; position:sticky; top:0; z-index:20;
  background:linear-gradient(var(--bg) 70%, transparent);
  backdrop-filter:blur(6px);
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{
  width:34px; height:34px; border-radius:9px;
  background:linear-gradient(135deg,var(--accent),#C4791F);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; color:#0B0E14; font-size:15px;
}
.brand-text{ font-family:var(--font-display); font-weight:700; font-size:17px; letter-spacing:.2px; }
.brand-sub{ font-size:10.5px; color:var(--text-faint); font-family:var(--font-mono); letter-spacing:.5px; }

.topbar-right{ display:flex; align-items:center; gap:10px; }
.live-indicator{
  display:flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:10.5px;
  color:var(--buy); font-weight:600; letter-spacing:.5px; padding:6px 10px;
  background:var(--buy-dim); border-radius:20px;
}
.live-dot{
  width:6px; height:6px; border-radius:50%; background:var(--buy);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(62,207,142,.55); }
  70%{ box-shadow:0 0 0 6px rgba(62,207,142,0); }
  100%{ box-shadow:0 0 0 0 rgba(62,207,142,0); }
}
.theme-toggle{
  width:38px; height:38px; border-radius:12px; background:var(--surface2);
  border:1px solid var(--border); display:flex; align-items:center; justify-content:center;
  cursor:pointer; font-size:16px;
}

.screen{ display:none; padding:4px 20px 40px; animation:fadeIn .25s ease; }
.screen.active{ display:block; }
@keyframes fadeIn{ from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);} }

.section-label{
  font-family:var(--font-mono); font-size:11px; letter-spacing:1.2px; color:var(--text-faint);
  text-transform:uppercase; margin:22px 0 10px; display:flex; align-items:center; gap:8px;
}
.section-label:first-child{ margin-top:6px; }
.section-label::after{ content:""; flex:1; height:1px; background:var(--border); }

.card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:16px; margin-bottom:12px;
}

.stat-grid{ display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:14px; }
.stat-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:14px;
}
.stat-label{ font-size:11px; color:var(--text-dim); margin-bottom:6px; }
.stat-value{ font-family:var(--font-mono); font-size:21px; font-weight:600; transition:color .3s; }
.stat-value.pos{ color:var(--buy); }
.stat-value.neg{ color:var(--sell); }
.stat-sub{ font-size:10.5px; color:var(--text-faint); margin-top:3px; }

.regime-banner{
  display:flex; align-items:center; gap:12px; padding:14px 16px;
  background:linear-gradient(90deg, var(--accent-dim), transparent);
  border:1px solid var(--accent); border-radius:var(--radius-sm); margin-bottom:14px;
}
.regime-dot{ width:9px; height:9px; border-radius:50%; background:var(--accent); flex-shrink:0;
  box-shadow:0 0 0 4px var(--accent-dim); }
.regime-title{ font-size:13px; font-weight:600; }
.regime-desc{ font-size:11px; color:var(--text-dim); margin-top:1px; }

.chart-card{ padding:16px 16px 8px; }
.chart-head{ display:flex; justify-content:space-between; align-items:baseline; margin-bottom:10px; }
.pair-name{ font-family:var(--font-display); font-weight:700; font-size:16px; }
.pair-price{ font-family:var(--font-mono); font-size:15px; color:var(--buy); font-weight:600; transition:color .3s; }
svg.spark{ width:100%; height:76px; display:block; }

.signal-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:16px; margin-bottom:12px; cursor:pointer; transition:border-color .2s;
}
.signal-top{ display:flex; justify-content:space-between; align-items:flex-start; }
.signal-action{
  font-family:var(--font-display); font-weight:700; font-size:15px; letter-spacing:.3px;
  padding:4px 10px; border-radius:7px; display:inline-block;
}
.signal-action.buy{ background:var(--buy-dim); color:var(--buy); }
.signal-action.sell{ background:var(--sell-dim); color:var(--sell); }
.signal-action.none{ background:var(--neutral-dim); color:var(--neutral); }
.signal-pair{ font-size:12px; color:var(--text-dim); margin-top:6px; font-family:var(--font-mono); }
.signal-conf{ text-align:right; }
.conf-num{ font-family:var(--font-mono); font-size:20px; font-weight:700; }
.conf-label{ font-size:9.5px; color:var(--text-faint); letter-spacing:.5px; }

.evidence-row{ display:flex; gap:14px; margin-top:12px; padding-top:12px; border-top:1px solid var(--border); }
.evidence-item{ flex:1; }
.ev-label{ font-size:9.5px; color:var(--text-faint); letter-spacing:.4px; margin-bottom:2px; }
.ev-value{ font-size:12px; font-weight:600; }
.ev-value.strong{ color:var(--buy); }
.ev-value.medium{ color:var(--accent); }

.trace{ display:none; margin-top:14px; padding-top:14px; border-top:1px dashed var(--border); }
.signal-card.expanded .trace{ display:block; }
.trace-title{ font-size:10.5px; color:var(--text-faint); letter-spacing:.6px; margin-bottom:10px; text-transform:uppercase; }
.trace-chain{ display:flex; align-items:center; gap:0; margin-bottom:12px; overflow-x:auto; }
.trace-node{ display:flex; flex-direction:column; align-items:center; min-width:58px; }
.trace-dot{
  width:26px; height:26px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size:12px; border:1.5px solid var(--buy); color:var(--buy); background:var(--buy-dim); flex-shrink:0;
}
.trace-dot.fail{ border-color:var(--sell); color:var(--sell); background:var(--sell-dim); }
.trace-line{ width:20px; height:1.5px; background:var(--border); flex-shrink:0; }
.trace-label{ font-size:8.5px; color:var(--text-faint); margin-top:5px; text-align:center; }
.trace-reason{ font-size:12px; color:var(--text-dim); line-height:1.6; }
.trace-reason li{ margin-bottom:4px; list-style:none; padding-left:14px; position:relative; }
.trace-reason li::before{ content:"—"; position:absolute; left:0; color:var(--text-faint); }

.balance-card{
  background:linear-gradient(135deg, var(--surface2), var(--surface));
  border:1px solid var(--border); border-radius:var(--radius); padding:20px; margin-bottom:16px;
}
.balance-label{ font-size:11px; color:var(--text-dim); }
.balance-value{ font-family:var(--font-mono); font-size:30px; font-weight:700; margin:6px 0 4px; }
.balance-pnl{ font-family:var(--font-mono); font-size:13px; font-weight:600; }

.position-row{
  display:flex; justify-content:space-between; align-items:center;
  padding:13px 0; border-bottom:1px solid var(--border);
}
.position-row:last-child{ border-bottom:none; }
.pos-left{ display:flex; align-items:center; gap:10px; }
.pos-icon{ width:32px; height:32px; border-radius:9px; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:10px; font-weight:700; }
.pos-name{ font-size:13px; font-weight:600; }
.pos-meta{ font-size:10.5px; color:var(--text-faint); font-family:var(--font-mono); }
.pos-pnl{ font-family:var(--font-mono); font-size:13px; font-weight:600; text-align:right; }

.setting-row{
  display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:10px;
  padding:14px 0; border-bottom:1px solid var(--border);
}
.setting-row:last-child{ border-bottom:none; }
.setting-row > div:first-child{ flex:1 1 140px; min-width:0; }
.setting-label{ font-size:13.5px; font-weight:500; }
.setting-desc{ font-size:11px; color:var(--text-faint); margin-top:2px; }
.pill-group{ display:flex; flex-wrap:wrap; gap:6px; background:var(--surface2); padding:3px; border-radius:10px; flex-shrink:0; }
.pill{
  font-size:11.5px; padding:6px 10px; border-radius:8px; color:var(--text-dim); cursor:pointer;
  font-family:var(--font-mono); font-weight:600; white-space:nowrap;
}
.pill.active{ background:var(--accent); color:#0B0E14; }
.switch{ width:42px; height:24px; border-radius:12px; background:var(--surface2); position:relative; cursor:pointer; border:1px solid var(--border); flex-shrink:0; }
.switch.on{ background:var(--accent-dim); border-color:var(--accent); }
.switch::after{
  content:""; width:18px; height:18px; border-radius:50%; background:var(--text-faint);
  position:absolute; top:2px; left:2px; transition:.2s;
}
.switch.on::after{ background:var(--accent); left:20px; }

@media(max-width:380px){
  .pill{ font-size:10.5px; padding:6px 8px; }
}

.bottomnav{
  position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:100%; max-width:480px;
  background:var(--surface); border-top:1px solid var(--border);
  display:flex; padding:10px 8px calc(10px + env(safe-area-inset-bottom));
  z-index:30;
}
.nav-item{
  flex:1; display:flex; flex-direction:column; align-items:center; gap:4px;
  padding:6px 0; cursor:pointer; color:var(--text-faint);
}
.nav-item.active{ color:var(--accent); }
.nav-icon{ font-size:18px; }
.nav-label{ font-size:9.5px; font-family:var(--font-mono); letter-spacing:.3px; }

.demo-badge{
  position:fixed; top:8px; left:50%; transform:translateX(-50%);
  background:var(--sell); color:#fff; font-size:9px; font-family:var(--font-mono);
  padding:3px 10px; border-radius:0 0 8px 8px; letter-spacing:.6px; z-index:40;
}