:root {
  --bg: #0f1115;
  --card: #181b22;
  --line: #2a2f3a;
  --text: #e6e8ec;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --accent-press: #3a6fd6;
  --ok: #36c08a;
  --warn: #e8b339;
  --err: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
main { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; }
h1 { font-size: 1.5rem; margin: 0 0 4px; }
.sub { margin: 0 0 24px; color: var(--muted); }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.warn { color: var(--warn); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field > span { font-weight: 600; font-size: .9rem; }
select, input[type=text], input[type=number] {
  background: #0f1218;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 11px;
  font: inherit;
}
select:focus, input:focus { outline: 2px solid var(--accent); border-color: transparent; }

fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 0 0 16px; }
legend { padding: 0 6px; font-weight: 600; font-size: .9rem; }
.knob-rows { display: grid; gap: 10px; }
.knob {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
}
.knob .knob-name { font-weight: 600; }
.knob .knob-meta { color: var(--muted); font-size: .82rem; }
.knob input[type=number] { width: 84px; }

.remap-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
details summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 12px; }

.total-card .totals { display: flex; gap: 40px; margin-bottom: 16px; }
.total-card .totals span { display: block; font-size: .8rem; }
.total-card .totals strong { font-size: 1.6rem; font-variant-numeric: tabular-nums; }

button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 11px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--accent-press); }
button:disabled { opacity: .5; cursor: not-allowed; }

.result { margin-top: 16px; padding: 14px; border: 1px solid var(--ok); border-radius: 8px; background: #112019; }
.result a { word-break: break-all; }
.result .copy { margin-left: 10px; padding: 4px 10px; font-size: .8rem; }
.error { margin-top: 16px; padding: 14px; border: 1px solid var(--err); border-radius: 8px; background: #21151700; color: var(--err); }

table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
.spin { opacity: .55; }