:root {
  --bg: #f6f5f1; --panel: #ffffff; --ink: #1d1f23; --muted: #6b6f78; --line: #e3e1da;
  --accent: #2f5fd0; --up: #0f8a5f; --down: #c2412d; --warn: #9a6a00; --chip: #eef1f8;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 2px 10px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141518; --panel: #1c1e22; --ink: #e8e8ea; --muted: #9a9ea8; --line: #2c2f35;
    --accent: #7aa2ff; --up: #3fcf8e; --down: #ff7a66; --warn: #e2b44a; --chip: #252a35;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  --bg: #141518; --panel: #1c1e22; --ink: #e8e8ea; --muted: #9a9ea8; --line: #2c2f35;
  --accent: #7aa2ff; --up: #3fcf8e; --down: #ff7a66; --warn: #e2b44a; --chip: #252a35; --shadow: none;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 -apple-system, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; }
.top { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line);
  padding: 12px 16px 0; }
.brand { font-weight: 700; font-size: 18px; }
.brand .sub { font-weight: 400; color: var(--muted); font-size: 13px; margin-left: 6px; }
.tabs { display: flex; gap: 4px; overflow-x: auto; margin-top: 8px; }
.tabs button { border: 0; background: none; color: var(--muted); padding: 8px 12px; font: inherit;
  border-bottom: 2px solid transparent; cursor: pointer; white-space: nowrap; }
.tabs button.on { color: var(--ink); border-color: var(--accent); font-weight: 600; }
main { max-width: 1100px; margin: 0 auto; padding: 8px 16px 40px; }
.tab { display: none; } .tab.on { display: block; }
h2 { font-size: 17px; margin: 22px 0 8px; } h2 small, h3 small { color: var(--muted); font-weight: 400; font-size: 13px; margin-left: 6px; }
h3 { font-size: 15px; margin: 14px 0 6px; }
.hint { color: var(--muted); font-size: 13px; margin: 6px 0; }
.note { background: var(--chip); border-radius: 8px; padding: 8px 12px; font-size: 13px; margin-top: 12px; }
.note.ok::before { content: "🔒 "; } .note.bad { color: var(--down); }
.scroll { overflow-x: auto; }
.tbl { border-collapse: collapse; width: 100%; background: var(--panel); border-radius: 10px; box-shadow: var(--shadow);
  font-variant-numeric: tabular-nums; font-size: 14px; }
.tbl th, .tbl td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
.tbl th:first-child, .tbl td:first-child { text-align: left; }
.tbl th { color: var(--muted); font-weight: 500; font-size: 12px; }
.pos { color: var(--up); } .neg { color: var(--down); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.cards.small { grid-template-columns: 1fr; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 13px; }
.card .h { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.card .tk { font-weight: 700; font-size: 15px; }
.card .src { color: var(--muted); font-size: 12px; }
.card .why { color: var(--muted); margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 99px; background: var(--chip); font-size: 12px; }
.chip.long { color: var(--up); } .chip.short { color: var(--down); } .chip.flat { color: var(--muted); }
.chip.target { color: var(--up); } .chip.stop { color: var(--down); }
.filters { margin: 6px 0 10px; }
.react { display: flex; gap: 8px; margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); align-items: center; font-size: 13px; }
.react button { padding: 4px 12px; font-size: 13px; }
select, input, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 9px; width: 100%; }
.filters select { width: auto; }
.grid2 { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 14px; }
@media (max-width: 760px) { .grid2 { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; box-shadow: var(--shadow); }
.panel + .panel { margin-top: 12px; }
form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
form label input, form label select, form label textarea { margin-top: 4px; }
.row { display: flex; gap: 10px; } .row > * { flex: 1; }
label.radio { display: flex; align-items: center; gap: 6px; color: var(--ink); }
label.radio input { width: auto; margin: 0; }
button { font: inherit; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  padding: 8px 14px; cursor: pointer; }
button:disabled { opacity: .45; cursor: default; }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); width: 100%; font-weight: 600; }
button.buy { color: var(--up); border-color: var(--up); font-weight: 600; }
button.sell { color: var(--down); border-color: var(--down); font-weight: 600; }
button.ghost { color: var(--muted); }
.msg { font-size: 13px; margin-top: 8px; } .msg.err { color: var(--down); } .msg.ok { color: var(--up); }
.chartHead { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 6px; font-size: 14px; }
.tog { display: flex; align-items: center; gap: 4px; color: var(--muted); font-size: 13px; }
.tog input { width: auto; }
.chart { width: 100%; height: 260px; } .chart.tall { height: 340px; } .chart.rsi { height: 110px; margin-top: 4px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.stats { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 10px; font-size: 14px; font-variant-numeric: tabular-nums; }
.stats b { font-size: 16px; }
.hidden { display: none; }
.learnCards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 10px; }
.learnCards .card h3 { margin: 0 0 4px; }
.learnCards .card p { margin: 4px 0; color: var(--ink); }
.learnCards .card .ai { color: var(--muted); font-size: 12px; border-top: 1px dashed var(--line); padding-top: 6px; margin-top: 8px; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.hero { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-top: 14px; box-shadow: var(--shadow); }
.hero h1 { font-size: 21px; margin: 0 0 8px; }
.hero p { margin: 0; }
.steps { padding-left: 22px; } .steps li { margin: 6px 0; }
.guideCards .card.link { text-align: left; display: flex; flex-direction: column; gap: 6px; cursor: pointer; font: inherit; color: var(--ink); }
.guideCards .card.link:hover { border-color: var(--accent); }
.guideCards .card.link span { color: var(--muted); font-size: 13px; }
.tbl.who td, .tbl.who th { text-align: left; white-space: normal; }
.tbl.who td:first-child { white-space: nowrap; font-weight: 600; }
.tbl.who td.desc { color: var(--muted); }
.terms { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; font-size: 14px; }
.terms dt { font-weight: 600; } .terms dd { margin: 0; color: var(--muted); }
@media (max-width: 560px) { .terms { grid-template-columns: 1fr; } .terms dd { margin-bottom: 6px; } }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 20px 16px 30px; }