:root {
  --bg: #fbfbf9;
  --ink: #1d1d1b;
  --muted: #6b6b66;
  --line: #e4e3de;
  --card: #ffffff;
  --accent: #1f5d4c;
  --call: #1f6f5c;
  --put: #9a3b2f;
  --warn: #8a6d1d;
  --radius: 10px;
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141413; --ink: #ecebe6; --muted: #9b9a94; --line: #2c2c2a; --card: #1c1c1a;
          --accent: #7cc4ad; --call: #7cc4ad; --put: #e39a8c; --warn: #d8b45a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.45; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
       padding: .9rem 1.25rem; border-bottom: 1px solid var(--line); position: sticky; top: 0;
       background: var(--bg); z-index: 2; }
.brand { font-weight: 700; color: var(--ink); letter-spacing: -.01em; font-size: 1.05rem; }
.tabs { display: flex; gap: .25rem; }
.tabs a { padding: .35rem .75rem; border-radius: 999px; color: var(--muted); font-weight: 500; }
.tabs a.on { background: var(--ink); color: var(--bg); text-decoration: none; }

.ask { display: flex; gap: .5rem; max-width: 980px; margin: 1rem auto 0; padding: 0 1.25rem; }
.ask input { flex: 1; font: inherit; padding: .7rem .9rem; border: 1px solid var(--line); border-radius: var(--radius);
             background: var(--card); color: var(--ink); }
.ask button { font: inherit; font-weight: 600; padding: 0 1.1rem; border: 0; border-radius: var(--radius);
              background: var(--accent); color: #fff; cursor: pointer; }
.answer { max-width: 980px; margin: .75rem auto 0; padding: .9rem 1.1rem; border: 1px solid var(--line);
          border-radius: var(--radius); background: var(--card); white-space: pre-wrap; }

main { max-width: 980px; margin: 0 auto; padding: 1.25rem; }
h1 { font-size: 1.5rem; letter-spacing: -.02em; margin: .25rem 0 .25rem; }
h2 { font-size: 1.05rem; margin: 1.75rem 0 .5rem; }
.sub { color: var(--muted); margin: 0 0 1rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: .75rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem;
        display: block; color: var(--ink); }
.card:hover { border-color: var(--muted); text-decoration: none; }
.card .row { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; }
.ticker { font-weight: 700; font-size: 1.1rem; }
.amount { font-variant-numeric: tabular-nums; font-weight: 600; }
.meta { color: var(--muted); font-size: .88rem; margin-top: .35rem; }
.pill { display: inline-block; font-size: .75rem; font-weight: 600; padding: .1rem .5rem; border-radius: 999px;
        border: 1px solid currentColor; }
.call { color: var(--call); }
.put { color: var(--put); }
.dim { color: var(--muted); }
.warn { color: var(--warn); }

table { width: 100%; border-collapse: collapse; font-size: .92rem; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: .5rem .45rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1rem; }
.filters select { font: inherit; padding: .35rem .5rem; border: 1px solid var(--line); border-radius: 8px;
                  background: var(--card); color: var(--ink); }
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 0; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; }
.note { background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); padding: .8rem 1rem;
        color: var(--muted); font-size: .9rem; }
.foot { max-width: 980px; margin: 2rem auto 2.5rem; padding: 0 1.25rem; color: var(--muted); font-size: .82rem; }
@media (max-width: 640px) {
  .top { padding: .75rem 1rem; }
  main, .ask, .foot { padding-left: 1rem; padding-right: 1rem; }
  .hide-sm { display: none; }
}