:root {
  --bg: #0b1220; --card: #121b2e; --card2: #182540; --line: #22314d; --text: #e7eef9; --muted: #8b9bb6;
  --accent: #3b82f6; --accent2: #60a5fa; --up: #22c55e; --down: #f05252; --warn: #f5a524;
  --up-bg: rgba(34,197,94,.12); --down-bg: rgba(240,82,82,.12); --warn-bg: rgba(245,165,36,.12); --acc-bg: rgba(59,130,246,.14);
  --r: 14px; color-scheme: dark;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; min-height: 100vh; overflow-x: hidden; }
a { color: var(--accent2); text-decoration: none; }
b, strong { font-weight: 600; }
svg { display: block; }

/* top bar + tabs */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px; background: rgba(11,18,32,.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 16px; }
.brand img { width: 26px; height: 26px; }
.top-r { display: flex; align-items: center; gap: 8px; }
.icon-btn { background: none; border: 0; padding: 6px; color: var(--muted); border-radius: 10px; }
.icon-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn.spin svg { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
main { padding: 12px 16px calc(84px + env(safe-area-inset-bottom)); max-width: 640px; margin: 0 auto; }
.tabs { position: fixed; bottom: 0; left: 0; right: 0; z-index: 5; display: flex; background: rgba(13,21,38,.97);
  border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
.tabs a { flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0 9px; font-size: 11.5px; color: var(--muted); }
.tabs a svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tabs a.on { color: var(--accent2); }
body.locked .tabs, body.locked .top-r { display: none; }

/* building blocks */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; margin-bottom: 12px; }
.card h2 { font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 10px; }
.card h3 { font-size: 16px; margin: 0 0 6px; }
h1.page { font-size: 21px; margin: 4px 0 12px; }
.muted { color: var(--muted); } .small { font-size: 13px; } .fine { font-size: 12px; color: var(--muted); }
.up { color: var(--up); } .down { color: var(--down); } .warn { color: var(--warn); }
.row { display: flex; align-items: center; gap: 8px; } .between { justify-content: space-between; } .wrap { flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat .k { font-size: 12px; color: var(--muted); } .stat .v { font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.big { font-size: 26px; font-weight: 650; font-variant-numeric: tabular-nums; }
.num { font-variant-numeric: tabular-nums; }
.chip { display: inline-block; font-size: 12px; padding: 2px 9px; border-radius: 99px; background: var(--card2); color: var(--muted); white-space: nowrap; }
.chip.up { background: var(--up-bg); color: var(--up); } .chip.down { background: var(--down-bg); color: var(--down); }
.chip.warn { background: var(--warn-bg); color: var(--warn); } .chip.acc { background: var(--acc-bg); color: var(--accent2); }
.btn { appearance: none; border: 1px solid var(--line); background: var(--card2); color: var(--text); border-radius: 11px;
  padding: 10px 14px; font: inherit; font-weight: 600; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--down); border-color: rgba(240,82,82,.4); }
.btn.sm { padding: 6px 11px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .55; }
input[type=text], input[type=number], input[type=search], input:not([type]) {
  width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text); border-radius: 11px;
  padding: 11px 12px; font: inherit; font-size: 16px; outline: none; }
input:focus { border-color: var(--accent); }
input[type=range] { width: 100%; accent-color: var(--accent); }
.seg { display: flex; background: var(--bg); border: 1px solid var(--line); border-radius: 11px; padding: 3px; gap: 3px; }
.seg button { flex: 1; border: 0; background: none; color: var(--muted); padding: 7px; border-radius: 8px; font: inherit; font-size: 13px; font-weight: 600; }
.seg button.on { background: var(--card2); color: var(--text); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.chips button { border: 1px solid var(--line); background: var(--card2); color: var(--text); border-radius: 99px; padding: 5px 12px; font: inherit; font-size: 13px; }
.chips button.on { border-color: var(--accent); color: var(--accent2); }
.loading, .empty { color: var(--muted); text-align: center; padding: 40px 0; }
.err { background: var(--down-bg); color: #ffb4b4; border-radius: var(--r); padding: 12px 14px; margin-bottom: 12px; }
.list { margin: 0; padding: 0; list-style: none; }
.list li { padding: 10px 0; border-top: 1px solid var(--line); }
.list li:first-child { border-top: 0; padding-top: 2px; }
.link-row { display: flex; align-items: center; justify-content: space-between; padding: 13px 0; border-top: 1px solid var(--line); color: var(--text); }
.link-row:first-child { border-top: 0; }
.link-row::after { content: "›"; color: var(--muted); font-size: 20px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 12px 0; }

/* ideas */
.idea { display: block; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 13px 14px; margin-bottom: 10px; }
.idea .h { display: flex; align-items: center; gap: 8px; }
.idea .h b { font-size: 16.5px; }
.idea .h .r { margin-left: auto; font-weight: 650; font-variant-numeric: tabular-nums; }
.idea .d { font-size: 13px; color: var(--muted); margin-top: 6px; font-variant-numeric: tabular-nums; display: flex; gap: 12px; flex-wrap: wrap; }
.side { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .04em; padding: 2px 8px; border-radius: 7px; }
.side.long { background: var(--up-bg); color: var(--up); } .side.short { background: var(--down-bg); color: var(--down); }
.lvl { position: relative; height: 8px; border-radius: 9px; margin: 12px 0 4px;
  background: linear-gradient(90deg, rgba(240,82,82,.45), rgba(139,155,182,.25) 40%, rgba(139,155,182,.25) 40%, rgba(34,197,94,.45)); }
.lvl i { position: absolute; top: -4px; width: 4px; height: 16px; border-radius: 3px; background: var(--text); transform: translateX(-2px); }
.lvl u { position: absolute; top: -2px; width: 2px; height: 12px; background: var(--muted); }
.lvl-l { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* verdict / evidence banner */
.verdict { border-radius: var(--r); padding: 13px 14px; margin-bottom: 12px; display: flex; gap: 10px; align-items: flex-start; }
.verdict .ic { font-size: 20px; line-height: 1.2; }
.verdict b { display: block; font-size: 15.5px; margin-bottom: 2px; }
.verdict span { font-size: 13.5px; opacity: .92; }
.verdict.good { background: var(--up-bg); color: #9ff0bd; border: 1px solid rgba(34,197,94,.35); }
.verdict.wait { background: var(--warn-bg); color: #ffd99a; border: 1px solid rgba(245,165,36,.35); }
.verdict.bad { background: var(--down-bg); color: #ffc0c0; border: 1px solid rgba(240,82,82,.35); }
.verdict.info { background: var(--acc-bg); color: #b9d4ff; border: 1px solid rgba(59,130,246,.35); }

.bar { height: 7px; background: var(--bg); border-radius: 9px; overflow: hidden; margin: 6px 0 2px; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 9px; }
.bar.g i { background: var(--up); } .bar.r i { background: var(--down); }
.factor { display: grid; grid-template-columns: 1fr 90px 40px; gap: 8px; align-items: center; font-size: 13px; padding: 4px 0; }
.factor .bar { margin: 0; }
.reason { display: flex; gap: 8px; padding: 5px 0; font-size: 14px; }
.reason .a { width: 18px; flex: none; font-weight: 700; text-align: center; }
.chart { width: 100%; height: auto; }
.legend { display: flex; gap: 12px; font-size: 12px; color: var(--muted); margin-top: 6px; flex-wrap: wrap; }
.legend i { display: inline-block; width: 14px; height: 0; border-top: 2px solid; vertical-align: middle; margin-right: 4px; }

/* market list */
.mrow { display: grid; grid-template-columns: 78px 1fr 64px 62px; gap: 8px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); color: var(--text); }
.mrow:first-of-type { border-top: 0; }
.mrow .p b { display: block; font-size: 14.5px; } .mrow .p span { font-size: 11.5px; color: var(--muted); }
.mrow .px { text-align: right; font-variant-numeric: tabular-nums; font-size: 13.5px; } .mrow .px span { display: block; font-size: 11.5px; }
.mrow .ln { text-align: right; }
.spark { width: 100%; height: 28px; }

/* tables */
table.t { width: 100%; border-collapse: collapse; font-size: 12.5px; font-variant-numeric: tabular-nums; }
table.t th { color: var(--muted); font-weight: 500; text-align: right; padding: 4px 3px; }
table.t td { text-align: right; padding: 5px 3px; border-top: 1px solid var(--line); }
table.t th:first-child, table.t td:first-child { text-align: left; }
details summary { cursor: pointer; color: var(--accent2); font-size: 14px; padding: 4px 0; }
details p { margin: 6px 0; }

/* pairing */
.pair { text-align: center; padding: 36px 8px; }
.pair img { width: 72px; height: 72px; margin: 0 auto; }
.pair h1 { font-size: 22px; margin: 14px 0 8px; }
.pair ol { text-align: left; max-width: 340px; margin: 16px auto; padding-left: 22px; color: var(--muted); }
.pair ol li { margin: 6px 0; }
.pair input { text-align: center; font-size: 28px; letter-spacing: .3em; max-width: 260px; margin: 8px auto 12px; display: block; }
.pair .btn { max-width: 260px; width: 100%; }

#toast { position: fixed; left: 16px; right: 16px; bottom: calc(76px + env(safe-area-inset-bottom)); z-index: 9; background: #233456;
  color: var(--text); border-radius: 12px; padding: 12px 14px; font-size: 14px; white-space: pre-line;
  box-shadow: 0 8px 24px rgba(0,0,0,.4); transform: translateY(20px); opacity: 0; pointer-events: none; transition: .2s; max-width: 600px; margin: 0 auto; }
#toast.show { transform: none; opacity: 1; }

label.f { display: block; font-size: 12.5px; color: var(--muted); margin: 10px 0 4px; }
select { width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text); border-radius: 11px; padding: 11px 12px; font: inherit; font-size: 16px; }
.sw { display: flex; align-items: center; justify-content: space-between; padding: 11px 0; border-top: 1px solid var(--line); gap: 12px; }
.sw:first-of-type { border-top: 0; }
.sw input { width: 22px; height: 22px; accent-color: var(--accent); flex: none; }
.lesson { padding: 10px 0; border-top: 1px solid var(--line); } .lesson:first-of-type { border-top: 0; padding-top: 2px; }
.acts { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-top: 1px solid var(--line); font-size: 14px; font-variant-numeric: tabular-nums; }
.kv:first-of-type { border-top: 0; } .kv span:first-child { color: var(--muted); }