:root {
  --bg: var(--tg-theme-bg-color, #0f1419);
  --bg2: var(--tg-theme-secondary-bg-color, #182028);
  --text: var(--tg-theme-text-color, #e7edf3);
  --hint: var(--tg-theme-hint-color, #8b98a5);
  --link: var(--tg-theme-link-color, #2ec4a6);
  --btn: var(--tg-theme-button-color, #18b394);
  --btn-text: var(--tg-theme-button-text-color, #ffffff);
  --line: color-mix(in srgb, var(--hint) 22%, transparent);
  --buy: #1fb57a; --sell: #e5534b; --warn: #d9a21b;
  --r: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; min-height: 100vh; padding-bottom: calc(68px + env(safe-area-inset-bottom)); -webkit-font-smoothing: antialiased; }
a { color: var(--link); }
h1 { font-size: 20px; margin: 4px 0 8px; }
h2 { font-size: 16px; margin: 18px 0 8px; }
.muted { color: var(--hint); }
.small { font-size: 13px; }
.center { text-align: center; padding: 48px 20px; }
[hidden] { display: none !important; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; position: sticky; top: 0; background: var(--bg); z-index: 5; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.brand img { border-radius: 8px; }
.badge { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 99px; background: var(--bg2); color: var(--hint); }
.badge.premium { background: color-mix(in srgb, var(--btn) 20%, transparent); color: var(--btn); }

main { padding: 12px 16px; max-width: 640px; margin: 0 auto; }
.card { background: var(--bg2); border-radius: var(--r); padding: 14px; margin-bottom: 12px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

.btn { display: block; width: 100%; border: 0; border-radius: 12px; padding: 13px 16px; font: inherit; font-weight: 600; text-align: center; text-decoration: none; cursor: pointer; background: var(--bg2); color: var(--text); }
.btn.primary { background: var(--btn); color: var(--btn-text); }
.btn.ghost { background: transparent; color: var(--link); padding: 10px; }
.btn:disabled { opacity: .55; }
.btn + .btn { margin-top: 8px; }

.tabs { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: var(--bg2); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); z-index: 5; }
.tabs button { flex: 1; border: 0; background: none; color: var(--hint); font: inherit; font-size: 20px; padding: 8px 0 6px; display: flex; flex-direction: column; align-items: center; gap: 2px; cursor: pointer; }
.tabs button span { font-size: 11px; font-weight: 600; }
.tabs button.on { color: var(--btn); }

/* signals */
.sig .sym { font-weight: 700; font-size: 16px; }
.side { font-weight: 800; font-size: 12px; letter-spacing: .04em; padding: 2px 8px; border-radius: 6px; }
.side.BUY { color: var(--buy); background: color-mix(in srgb, var(--buy) 15%, transparent); }
.side.SELL { color: var(--sell); background: color-mix(in srgb, var(--sell) 15%, transparent); }
.levels { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; margin: 10px 0 4px; font-variant-numeric: tabular-nums; }
.levels dt { color: var(--hint); }
.levels dd { margin: 0; text-align: right; font-family: ui-monospace, Menlo, monospace; font-size: 14px; }
.levels dd.hit { color: var(--buy); }
.status { font-size: 12px; color: var(--hint); }
.locked { display: flex; align-items: center; gap: 10px; color: var(--hint); }
.chart { width: 100%; border-radius: 10px; margin-top: 8px; display: block; }
.reason { font-size: 13px; color: var(--hint); margin: 8px 0 0; }

/* plans */
.plan { cursor: pointer; border: 2px solid transparent; }
.plan.sel { border-color: var(--btn); }
.plan .price { font-size: 20px; font-weight: 800; }
.opts { display: grid; gap: 8px; margin-top: 10px; }
.opt { display: flex; justify-content: space-between; align-items: center; background: var(--bg); border-radius: 10px; padding: 11px 12px; border: 0; color: var(--text); font: inherit; cursor: pointer; text-align: left; }
.opt b { font-variant-numeric: tabular-nums; }

/* invoice */
.copy { display: flex; align-items: center; gap: 8px; background: var(--bg); border-radius: 10px; padding: 10px 12px; margin: 6px 0; font-family: ui-monospace, Menlo, monospace; font-size: 13px; word-break: break-all; cursor: pointer; border: 0; color: var(--text); width: 100%; text-align: left; }
.copy small { margin-left: auto; color: var(--link); font-family: inherit; white-space: nowrap; }
.label { font-size: 12px; color: var(--hint); margin-top: 10px; text-transform: uppercase; letter-spacing: .04em; }
.qr { display: block; width: 200px; height: 200px; margin: 12px auto; border-radius: 12px; background: #fff; padding: 8px; image-rendering: pixelated; }
.warn { background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); border-radius: 10px; padding: 10px 12px; font-size: 13px; }
.state { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--warn); animation: pulse 1.4s infinite; }
.dot.ok { background: var(--buy); animation: none; }
@keyframes pulse { 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .dot { animation: none; } }
details summary { cursor: pointer; color: var(--link); padding: 8px 0; }
.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 99px; font-size: 13px; z-index: 10; }
.outside img { border-radius: 18px; }