:root {
  --bg: #10140f;
  --bg-2: #171d16;
  --ink: #f3efe4;
  --muted: #9aa392;
  --line: #2a3227;
  --ask: #e25b4a;
  --ask-dim: rgba(226, 91, 74, 0.12);
  --bid: #4f9d6e;
  --bid-dim: rgba(79, 157, 110, 0.12);
  --gold: #d6b25e;
  --gold-dim: rgba(214, 178, 94, 0.14);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(214, 178, 94, 0.12), transparent 50%),
    radial-gradient(900px 400px at 100% 0%, rgba(79, 157, 110, 0.1), transparent 46%),
    var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
}

.page {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.top, .stat, .toolbar, .book, .chart-card {
  background: rgba(23, 29, 22, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 18px 22px;
  border-radius: 18px;
}

.brand { display: flex; gap: 14px; align-items: center; }
.mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background:
    linear-gradient(180deg, #d23a2e 0 33%, #e7c04a 33% 66%, #2f7d4a 66% 100%);
  box-shadow: inset 0 0 0 2px rgba(0,0,0,0.25);
}
h1 { margin: 0; font-size: 28px; letter-spacing: -0.04em; }
.pair { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.pair span { color: var(--gold); }

.top-meta { display: flex; gap: 14px; align-items: center; }
.pulse, .stamp, .count {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  background: var(--bg);
  font-size: 13px;
}
.pulse { display: flex; gap: 8px; align-items: center; color: var(--muted); }
.pulse .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #7d8676;
}
.pulse[data-state="live"] .dot { background: var(--bid); box-shadow: 0 0 0 4px var(--bid-dim); }
.pulse[data-state="error"] .dot { background: var(--ask); box-shadow: 0 0 0 4px var(--ask-dim); }
.stamp { display: grid; }
.stamp .k, .stat .k, .field span { color: var(--muted); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.stamp strong { font-family: "IBM Plex Mono", monospace; font-size: 12px; }

.btn, .range button {
  appearance: none;
  border: 1px solid #3d4a34;
  background: var(--gold-dim);
  color: var(--ink);
  border-radius: 999px;
  padding: 9px 14px;
  font: 600 13px/1 "IBM Plex Sans", sans-serif;
  cursor: pointer;
}
.btn:disabled { opacity: 0.55; cursor: wait; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.volume-stats { grid-template-columns: repeat(4, 1fr); }
.indicator-stats { grid-template-columns: repeat(5, 1fr); }

.bias {
  margin-top: 16px;
  padding: 18px 20px 16px;
  border-radius: 16px;
  background: rgba(23, 29, 22, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 1fr;
  gap: 18px;
  align-items: center;
}
.bias[data-bias="bob_stronger"] { border-color: #355a40; }
.bias[data-bias="bob_weaker"] { border-color: #6a3a34; }
.bias-main strong, .bias-score strong {
  display: block;
  margin: 6px 0;
  font-size: 26px;
  letter-spacing: -0.03em;
}
.bias-main p, .bias-score em { margin: 0; color: var(--muted); font-size: 13px; font-style: normal; }
.bias-score strong { font-family: "IBM Plex Mono", monospace; }
.bias[data-bias="bob_stronger"] .bias-main strong,
.bias[data-bias="bob_stronger"] .bias-score strong { color: #8fd4a8; }
.bias[data-bias="bob_weaker"] .bias-main strong,
.bias[data-bias="bob_weaker"] .bias-score strong { color: #f0a097; }
.bias-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #4f9d6e, #d6b25e, #e25b4a);
  position: relative;
}
.bias-needle {
  position: absolute;
  top: -5px;
  width: 4px;
  height: 18px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--ink);
}
.bias-ends {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.stat.up strong { color: #f0a097; }
.stat.down strong { color: #8fd4a8; }
.legend { display: flex; gap: 12px; align-items: center; padding-top: 4px; }
.lg { font-size: 12px; color: var(--muted); }
.lg::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 3px;
  margin-right: 6px;
  vertical-align: middle;
  border-radius: 2px;
}
.lg.ask::before { background: #e25b4a; }
.lg.bid::before { background: #4f9d6e; }
.stat {
  padding: 18px 18px 16px;
  border-radius: 16px;
}
.stat strong {
  display: block;
  margin: 8px 0 6px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 30px;
  letter-spacing: -0.04em;
}
.stat em { color: var(--muted); font-style: normal; font-size: 13px; }
.stat.ask strong { color: #f0a097; }
.stat.bid strong { color: #8fd4a8; }

.toolbar {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 16px;
  display: flex;
  gap: 16px;
  align-items: end;
  flex-wrap: wrap;
}
.field { display: grid; gap: 6px; min-width: 180px; }
.field.grow { flex: 1; }
.field input, .field select {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  padding: 0 12px;
  font: 15px "IBM Plex Sans", sans-serif;
}
.check { display: flex; gap: 8px; align-items: center; padding-bottom: 10px; color: var(--muted); }
.hint { margin: 0 0 8px auto; color: var(--muted); font-size: 13px; }

.books {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}
.book { border-radius: 16px; overflow: hidden; }
.book header, .chart-card header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  padding: 16px 18px 12px;
}
.book h2, .chart-card h2 { margin: 0; font-size: 20px; }
.book header p, .chart-card header p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.table-wrap { overflow: auto; max-height: 680px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-top: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; position: sticky; top: 0; background: #1b221a; }
.price { font-family: "IBM Plex Mono", monospace; font-weight: 600; font-size: 15px; }
.ask-row .price { color: #f0a097; }
.bid-row .price { color: #8fd4a8; }
.mono { font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.muted { color: var(--muted); font-size: 12px; }
.methods { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 11px;
  background: #22291f;
  border: 1px solid var(--line);
}
.adv { display: grid; gap: 2px; }
.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--gold-dim);
  color: var(--gold);
  font-size: 10px;
  letter-spacing: 0.04em;
}
.empty { color: var(--muted); padding: 28px 16px; text-align: center; }
.dim { opacity: 0.38; }

.chart-card { margin-top: 16px; border-radius: 16px; padding: 0 8px 12px; }
.range { display: flex; gap: 6px; flex-wrap: wrap; }
.range button.on { background: var(--bid-dim); border-color: #355a40; }
.chart-tools { display: grid; justify-items: end; gap: 10px; }
#chart, #offer-chart, #volume-chart { width: calc(100% - 20px); display: block; margin: 0 10px; }
.chart-empty { color: var(--muted); text-align: center; font-size: 13px; }
.chart-empty.hide { display: none; }

.notes-card { padding-bottom: 18px; }
.note-form {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 0 18px 8px;
  align-items: end;
}
.note-form .note-body { flex: 1 1 100%; }
.note-form textarea {
  width: 100%;
  min-height: 84px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  padding: 10px 12px;
  font: 15px "IBM Plex Sans", sans-serif;
  resize: vertical;
}
.note-actions {
  flex: 1 1 100%;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.note-list {
  list-style: none;
  margin: 8px 18px 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.note-item {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
}
.note-item time { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }
.note-item h3 { margin: 0 0 4px; font-size: 16px; }
.note-item p { margin: 0; color: var(--muted); font-size: 13px; }
.note-item .chip { margin-right: 6px; }
.note-item button {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font: 12px "IBM Plex Sans", sans-serif;
}
.note-empty { color: var(--muted); padding: 8px 18px 16px; }

footer { margin-top: 22px; color: var(--muted); font-size: 13px; }
footer a { color: var(--gold); }

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.gate-card {
  width: min(420px, 100%);
  padding: 28px 26px 24px;
  border-radius: 18px;
  background: rgba(23, 29, 22, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.gate-card form { display: grid; gap: 16px; margin-top: 22px; }
.gate-card .btn { justify-self: start; }
.gate-error { margin: 0; color: #f0a097; font-size: 14px; }

@media (max-width: 1100px) {
  .stats, .volume-stats, .indicator-stats, .books, .bias, .note-item { grid-template-columns: 1fr; }
  .top, .toolbar { align-items: stretch; flex-direction: column; }
  .hint { margin: 0; }
}