:root {
  --bg: #eef1f4;
  --panel: #ffffff;
  --ink: #16202a;
  --muted: #5d6b79;
  --line: #d5dbe1;
  --accent: #0f5f66;
  --accent-ink: #ffffff;
  --err: #a8201a;
  --err-bg: #fbe9e7;
  --ok: #17693a;
  --ok-bg: #e5f3ea;
  --warn: #7a4a00;
  --warn-bg: #fff1d6;
  --info-bg: #e3eef2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12171c;
    --panel: #1b2229;
    --ink: #e8edf1;
    --muted: #9aa8b4;
    --line: #2f3a44;
    --accent: #58b6bd;
    --accent-ink: #0b1418;
    --err: #ff9b93;
    --err-bg: #3a1f1d;
    --ok: #7fd6a0;
    --ok-bg: #1a3325;
    --warn: #f3c979;
    --warn-bg: #3a2d12;
    --info-bg: #1c2f36;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; overflow-wrap: anywhere; }
.muted { color: var(--muted); }
h1 { margin: 0; font-size: 1.5rem; letter-spacing: -0.01em; }
h2 { margin: 0; font-size: 1.15rem; }
h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.top {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
  max-width: 760px; margin: 0 auto; padding: 1.5rem 1rem 0.5rem;
}
.sub { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.95rem; }
main { max-width: 760px; margin: 0 auto; padding: 0.5rem 1rem 3rem; display: grid; gap: 1rem; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem 1.5rem; margin: 0 0 1rem; }
.facts.stacked { grid-template-columns: 1fr; gap: 0.6rem; }
.facts .wide { grid-column: 1 / -1; }
.facts dt { color: var(--muted); font-size: 0.85rem; }
.facts dd { margin: 0; font-weight: 500; }
.balance { font-size: 1.6rem; font-weight: 650; letter-spacing: -0.01em; overflow-wrap: anywhere; }
.field { display: grid; gap: 0.3rem; margin-bottom: 1rem; }
label { font-weight: 550; font-size: 0.95rem; }
input, select {
  width: 100%; padding: 0.65rem 0.75rem; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
input:disabled, select:disabled { opacity: 0.55; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn {
  font: inherit; font-weight: 600; padding: 0.6rem 1rem; border-radius: 8px; cursor: pointer;
  color: var(--ink); background: transparent; border: 1px solid var(--line);
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
a.btn { display: inline-block; text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.hint { margin: 0.4rem 0 0; color: var(--muted); font-size: 0.88rem; }
.notice { margin: 0.5rem 0; padding: 0.6rem 0.75rem; border-radius: 8px; background: var(--info-bg); font-size: 0.92rem; }
.banner { max-width: 760px; margin: 0; padding: 0.75rem 1rem; border-radius: 8px; font-weight: 500; }
.banner.error { background: var(--err-bg); color: var(--err); }
.banner.ok { background: var(--ok-bg); color: var(--ok); }
.banner.info { background: var(--info-bg); }
.review { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.review .notice { background: var(--warn-bg); color: var(--warn); }
.status { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.tokens { list-style: none; margin: 0.5rem 0 0; padding: 0; display: grid; gap: 0.5rem; }
.tokens li { padding: 0.6rem 0.75rem; border: 1px solid var(--line); border-radius: 8px; overflow-wrap: anywhere; }
[hidden] { display: none !important; }
@media (max-width: 520px) {
  .facts { grid-template-columns: 1fr; }
  .top .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }