:root {
  --bg: #f4f6fa; --card: #ffffff; --text: #0f172a; --muted: #64748b; --line: #e2e8f0;
  --accent: #2563eb; --good: #15803d; --bad: #b91c1c; --warn-bg: #fef3c7; --warn: #92400e;
  --err-bg: #fee2e2; --bar-bg: #e2e8f0; --bar: #3b82f6; --bar-hot: #f97316; --chip: #eef2ff;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120; --card: #131c2e; --text: #e2e8f0; --muted: #94a3b8; --line: #1e293b;
    --accent: #60a5fa; --good: #4ade80; --bad: #f87171; --warn-bg: #3b2f0b; --warn: #fcd34d;
    --err-bg: #3f1416; --bar-bg: #1e293b; --bar: #60a5fa; --bar-hot: #fb923c; --chip: #1e2a44;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
}
h1 { font-size: 1.25rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
h3 { font-size: .95rem; margin: 1rem 0 .3rem; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
button, input { font: inherit; color: inherit; }

.top {
  position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 16px 10px;
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top p { margin: 0; font-size: .8rem; }
.icon-btn { border: 1px solid var(--line); background: var(--card); border-radius: 50%; width: 38px; height: 38px; font-size: 1.15rem; }

main { max-width: 720px; margin: 0 auto; padding: 12px 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.banner { border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; font-size: .9rem; }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner.err { background: var(--err-bg); color: var(--bad); }
.disclaimer { font-size: .8rem; color: var(--muted); margin: 0 0 12px; }
.section-h { margin-top: 18px; }
.empty { color: var(--muted); font-size: .9rem; padding: 8px 2px 4px; }

/* ---------- ticker cards ---------- */
.tcard { padding: 0; overflow: hidden; }
.tcard > summary { list-style: none; cursor: pointer; padding: 14px; }
.tcard > summary::-webkit-details-marker { display: none; }
.thead { display: flex; align-items: baseline; gap: 8px; }
.thead .sym { font-weight: 700; font-size: 1.1rem; }
.thead .kw { color: var(--muted); font-size: .85rem; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.thead .score { font-weight: 700; font-variant-numeric: tabular-nums; }
.badge { background: var(--bar-hot); color: #fff; font-size: .7rem; font-weight: 700; padding: 2px 7px; border-radius: 99px; letter-spacing: .03em; }
.bar { position: relative; height: 10px; background: var(--bar-bg); border-radius: 99px; margin-top: 8px; }
.bar > i { position: absolute; inset: 0 auto 0 0; border-radius: 99px; background: var(--bar); }
.bar.hot > i { background: var(--bar-hot); }
.bar > b { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--text); opacity: .55; }
.fired-line { font-size: .8rem; color: var(--muted); margin-top: 6px; }
.tbody { border-top: 1px solid var(--line); padding: 4px 14px 14px; }
.sig { display: grid; grid-template-columns: 22px 1fr auto; gap: 2px 8px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.sig:last-of-type { border-bottom: 0; }
.sig .ic { grid-row: span 2; font-size: 1rem; line-height: 1.4; }
.sig .nm { font-weight: 600; font-size: .9rem; }
.sig .pts { font-variant-numeric: tabular-nums; font-size: .85rem; color: var(--muted); }
.sig .pts.on { color: var(--good); font-weight: 700; }
.sig .dt { grid-column: 2 / 4; font-size: .85rem; color: var(--muted); overflow-wrap: anywhere; }
.chip { display: inline-block; font-size: .68rem; padding: 1px 6px; border-radius: 99px; background: var(--chip); color: var(--muted); margin-left: 4px; vertical-align: 1px; font-weight: 500; }
.math { font-size: .8rem; color: var(--muted); margin: 8px 0; }
.raw summary { font-size: .8rem; color: var(--muted); cursor: pointer; }
.raw pre { font-size: .72rem; overflow-x: auto; background: var(--bg); padding: 8px; border-radius: 8px; max-height: 260px; }
.track .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; margin-top: 6px; }
ul.plain { padding-left: 18px; margin: .3rem 0; font-size: .88rem; }
.about summary, .settings summary { cursor: pointer; font-weight: 600; }

/* ---------- paper trading ---------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 12px; }
@media (min-width: 560px) { .stats { grid-template-columns: repeat(3, 1fr); } }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.stat .k { font-size: .75rem; color: var(--muted); }
.stat .v { font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.pos { color: var(--good); } .neg { color: var(--bad); }

label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: 8px; }
input { display: block; width: 100%; margin-top: 3px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); font-size: 16px; /* 16px stops iOS zoom-on-focus */ }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
button { border: 1px solid var(--line); background: var(--card); padding: 9px 14px; border-radius: 10px; cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; width: 100%; font-weight: 600; padding: 12px; }
button.danger { color: var(--bad); }
button.link { border: 0; background: none; color: var(--accent); padding: 4px 0; }
.errors { color: var(--bad); font-size: .85rem; min-height: 0; margin-bottom: 6px; }
.row { display: flex; gap: 8px; align-items: flex-end; }
.row.wrap { flex-wrap: wrap; margin-top: 6px; }
.grow { flex: 1; }
.file-btn { display: inline-block; border: 1px solid var(--line); background: var(--card); padding: 9px 14px; border-radius: 10px; color: var(--text); font-size: 15px; margin: 0; cursor: pointer; }
.file-btn input { display: none; }

.trade { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 8px; }
.trade .l1 { display: flex; justify-content: space-between; gap: 8px; font-weight: 600; }
.trade .l2 { font-size: .82rem; color: var(--muted); margin-top: 2px; }
.trade .why { font-size: .82rem; margin-top: 4px; font-style: italic; overflow-wrap: anywhere; }
.trade .actions { display: flex; gap: 14px; margin-top: 6px; }
.close-form { margin-top: 8px; }
.close-form .row > button { margin-bottom: 8px; }

/* ---------- bottom tab bar ---------- */
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; display: flex;
  background: var(--card); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.tabs button { flex: 1; border: 0; border-radius: 0; background: none; padding: 8px 0 10px; font-size: 1.2rem; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 2px; }
.tabs button span { font-size: .72rem; }
.tabs button[aria-selected="true"] { color: var(--accent); }
.badge.rising { background: var(--bar-hot); }
.badge.building { background: var(--muted); }
.badge.steady { background: var(--bar-bg); color: var(--muted); }
.badge.src { background: var(--chip); color: var(--accent); }
.trow .meta { font-size: .82rem; color: var(--muted); margin-top: 4px; }
.trow .quote { display: block; font-size: .82rem; margin-top: 6px; padding-left: 8px; border-left: 3px solid var(--line); color: var(--text); text-decoration: none; overflow-wrap: anywhere; }
.trow .quote small { color: var(--muted); }
.trow .act { margin-top: 8px; font-size: .85rem; }
.trow .act a { color: var(--accent); }
.seg { display: flex; gap: 6px; margin-bottom: 10px; }
.seg button { flex: 1; border-radius: 99px; font-size: .9rem; }
.seg.wrap { flex-wrap: wrap; }
.seg.wrap button { flex: 1 1 auto; padding: 7px 10px; font-size: .82rem; }
.seg button small { opacity: .75; }
#sig-search { margin-bottom: 4px; }
.seg button[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.mv { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; background: var(--card); border: 1px solid var(--line);
      border-radius: 12px; padding: 10px 12px; margin-bottom: 6px; }
.mv .sym { font-weight: 700; }
.mv .nm { color: var(--muted); font-size: .82rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mv .pct { font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.mv .px { font-size: .82rem; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.mv .links { grid-column: 1 / 3; font-size: .82rem; display: flex; gap: 14px; }
.mv .links a, .mv .links button { color: var(--accent); }
.badge.big { background: var(--bad); }
.breadth { display: flex; gap: 10px; flex-wrap: wrap; font-size: .85rem; color: var(--muted); }
[hidden] { display: none !important; }