/* TradeBrain private beta. Dark, dense, legible. No external font, no CDN. */
:root{
  --bg:#080b11; --panel:#0f141d; --line:#1d2634; --line-soft:#161d28;
  --ink:#e6edf6; --ink-dim:#8a9ab0; --ink-faint:#5d6b80;
  --accent:#4da3ff; --pass:#3ecf8e; --fail:#ff6b6b; --warn:#ffb454;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
.bg-grid{position:fixed;inset:0;z-index:-1;opacity:.35;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:56px 56px}
[hidden]{display:none !important}

/* sign in */
.gate{min-height:100vh;display:grid;place-items:center;padding:24px}
.gate-card{width:min(420px,100%)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px}
.gate-note{color:var(--ink-dim);font-size:13px;margin:0 0 20px}
.eyebrow{color:var(--accent);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;font-weight:600}
.wordmark{margin:6px 0 4px;font-size:26px;font-weight:650;letter-spacing:-.01em}
.field{display:block;margin:0 0 16px}
.field span{display:block;font-size:12px;color:var(--ink-dim);margin-bottom:6px;
  text-transform:uppercase;letter-spacing:.08em}
.field input,.field select{width:100%;padding:11px 12px;background:#0a0e15;
  border:1px solid var(--line);border-radius:9px;color:var(--ink);
  font-family:var(--sans);font-size:15px}
.field input:focus,.field select:focus{outline:2px solid var(--accent);
  outline-offset:1px;border-color:var(--accent)}
.primary{width:100%;padding:11px 16px;background:var(--accent);color:#04101f;
  border:0;border-radius:9px;font-weight:650;font-size:15px;cursor:pointer}
.primary:disabled{opacity:.6;cursor:progress}
.ghost{padding:7px 12px;background:transparent;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:8px;cursor:pointer;font-size:13px}
.ghost:hover{color:var(--ink);border-color:var(--accent)}
.ghost.danger:hover{color:var(--fail);border-color:var(--fail)}
.error{color:var(--fail);font-size:13px;margin:12px 0 0;min-height:1.2em}

/* shell */
.shell{max-width:1020px;margin:0 auto;padding:20px 20px 64px}
.topbar{display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px 0 18px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px}
.account{display:flex;align-items:center;gap:10px}
.who{color:var(--ink-dim);font-size:13px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:20px;margin-top:18px}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;
  gap:12px;margin-bottom:14px;flex-wrap:wrap}
.panel-head h2{margin:0;font-size:17px;font-weight:600;display:flex;
  align-items:center;gap:10px;flex-wrap:wrap}
.subhead{margin:26px 0 10px;font-size:13px;color:var(--ink-dim);
  text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.hint{color:var(--ink-faint);font-size:12px}
.caveat{color:var(--warn);font-size:12px;line-height:1.55;margin:8px 0 0;
  border-left:2px solid var(--warn);padding-left:10px}

/* badges */
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;
  font-weight:650;letter-spacing:.06em;border:1px solid var(--line);
  color:var(--ink-dim)}
.badge-mode{border-color:var(--warn);color:var(--warn)}
.badge-active{border-color:var(--pass);color:var(--pass)}
.badge-delisted{border-color:var(--ink-faint);color:var(--ink-faint)}

/* search */
.searchbar{display:flex;gap:10px}
.searchbar input{flex:1;padding:11px 12px;background:#0a0e15;
  border:1px solid var(--line);border-radius:9px;color:var(--ink);font-size:15px}
.searchbar input:focus{outline:2px solid var(--accent);outline-offset:1px}
.searchbar .primary{width:auto;padding:11px 22px}
.results{margin-top:14px;display:flex;flex-direction:column;gap:1px}
.result{display:grid;grid-template-columns:minmax(90px,1fr) minmax(70px,1fr) auto 2fr;
  gap:12px;align-items:center;width:100%;text-align:left;padding:11px 12px;
  background:#0a0e15;border:1px solid var(--line-soft);border-radius:9px;
  color:var(--ink);cursor:pointer;font-family:var(--sans);font-size:13px}
.result:hover{border-color:var(--accent);background:#0d141e}
.result-symbol{font-family:var(--mono);font-weight:650;font-size:14px}
.result-exchange{color:var(--ink-dim)}
.result-range{color:var(--ink-faint);font-size:12px;text-align:right}

/* processing */
.stages{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.stage{display:flex;align-items:center;gap:11px;font-size:13px;color:var(--ink-faint)}
.stage-dot{width:9px;height:9px;border-radius:50%;background:var(--line);flex:none}
.stage-active{color:var(--ink)}
.stage-active .stage-dot{background:var(--accent);
  box-shadow:0 0 0 4px rgba(77,163,255,.16)}
.stage-done{color:var(--ink-dim)}
.stage-done .stage-dot{background:var(--pass)}
.stage-failed{color:var(--fail)}
.stage-failed .stage-dot{background:var(--fail)}
@media (prefers-reduced-motion:no-preference){
  .stage-active .stage-dot{animation:pulse 1.1s ease-in-out infinite}
  @keyframes pulse{50%{box-shadow:0 0 0 7px rgba(77,163,255,.05)}}
}

/* banner */
.banner{padding:11px 14px;border-radius:9px;font-size:13px;margin-bottom:16px;
  font-weight:500}
.banner-stale{background:rgba(255,180,84,.1);border:1px solid var(--warn);
  color:var(--warn)}

/* tiles */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.tile{background:#0a0e15;border:1px solid var(--line-soft);border-radius:11px;padding:14px}
.tile-label{font-size:11px;color:var(--ink-faint);text-transform:uppercase;
  letter-spacing:.09em;margin-bottom:7px}
.tile-value{font-family:var(--mono);font-size:19px;font-weight:600}
.tile-sub{font-size:12px;color:var(--ink-faint);margin-top:4px}

/* table */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:9px 10px;border-bottom:1px solid var(--line-soft);
  text-align:left}
.table thead th{font-size:11px;color:var(--ink-faint);text-transform:uppercase;
  letter-spacing:.09em;font-weight:600}
.table tbody th{font-weight:400;color:var(--ink-dim)}
.mono{font-family:var(--mono);text-align:right !important}

/* verdicts */
.verdict{background:#0a0e15;border:1px solid var(--line);border-left-width:3px;
  border-radius:9px;padding:13px 15px}
.verdict-head{font-weight:650;font-size:14px;letter-spacing:.04em}
.verdict-detail{color:var(--ink-dim);font-size:13px;margin-top:5px}
.verdict-policy{color:var(--ink-faint);font-size:12px;margin-top:7px}
.verdict-pass{border-left-color:var(--pass)} .verdict-pass .verdict-head{color:var(--pass)}
.verdict-fail{border-left-color:var(--fail)} .verdict-fail .verdict-head{color:var(--fail)}
.verdict-neutral{border-left-color:var(--ink-dim)}
.verdict-unknown{border-left-color:var(--line);color:var(--ink-faint)}

/* dialog */
.dialog{background:var(--panel);color:var(--ink);border:1px solid var(--line);
  border-radius:14px;padding:24px;width:min(520px,92vw)}
.dialog::backdrop{background:rgba(4,7,12,.72)}
.dialog h2{margin:0 0 8px;font-size:18px}
.session-list{list-style:none;margin:14px 0 18px;padding:0;display:flex;
  flex-direction:column;gap:8px}
.session-list li{display:flex;align-items:center;justify-content:space-between;
  gap:12px;background:#0a0e15;border:1px solid var(--line-soft);
  border-radius:9px;padding:10px 12px;font-size:13px}
.dialog menu{margin:0;padding:0;display:flex;justify-content:flex-end}

/* ---- research preview: simplified result surface ---- */
.result-panel .panel-head{align-items:center}
.headline{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:20px;padding:6px 0 18px;border-bottom:1px solid var(--line-soft)}
.headline-value{font-family:var(--mono);font-size:30px;font-weight:600;
  letter-spacing:-.01em;line-height:1.2}
.value-stale{color:var(--warn)}
.status-line{margin:16px 0 0;font-size:13px;padding:9px 12px;border-radius:9px;
  background:#0a0e15;border:1px solid var(--line-soft)}
.status-busy{color:var(--accent);border-color:rgba(77,163,255,.35)}
.status-good{color:var(--pass);border-color:rgba(62,207,142,.35)}
.status-bad{color:var(--fail);border-color:rgba(255,107,107,.35)}
.explain{margin:14px 0 0;font-size:13px;color:var(--ink-dim);line-height:1.6;
  background:#0a0e15;border-left:2px solid var(--warn);padding:11px 14px;
  border-radius:0 9px 9px 0}
.stages{margin-top:14px}
.details{margin-top:22px;border-top:1px solid var(--line-soft);padding-top:14px}
.details > summary{cursor:pointer;font-size:12px;color:var(--ink-dim);
  text-transform:uppercase;letter-spacing:.1em;font-weight:600;
  list-style:none;padding:6px 0}
.details > summary::-webkit-details-marker{display:none}
.details > summary::before{content:"+ ";font-family:var(--mono);color:var(--accent)}
.details[open] > summary::before{content:"- "}
.details > summary:hover{color:var(--ink)}
.details .subhead{margin-top:20px}
.details .subhead:first-of-type{margin-top:14px}
.result{grid-template-columns:minmax(90px,1fr) minmax(90px,1fr) auto}