/* Pearl Dividend — the mint-hall desk. Ink-black, molten gold, verdigris. */
:root {
  --ink: #0a0c0f;
  --panel: #12151a;
  --panel2: #171b22;
  --line: #2a2f38;
  --gold: #e8b34b;
  --gold-hi: #f5d78e;
  --gold-dim: #8a6a2c;
  --verd: #57c9a3;
  --text: #ece7d9;
  --muted: #9a9587;
  --danger: #e56b6b;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: radial-gradient(1200px 600px at 50% -10%, #1a1d24 0%, var(--ink) 60%) fixed, var(--ink);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}
h1, h2, h3, h4 { font-family: Georgia, "Times New Roman", serif; color: var(--gold-hi); margin: 0 0 .6em; letter-spacing: .01em; }
h1 { font-size: 1.7rem; margin: 0; }
h2 { font-size: 1.35rem; border-bottom: 1px solid var(--line); padding-bottom: .4em; }
h3 { font-size: 1.1rem; } h4 { font-size: 1rem; }
a { color: var(--gold); }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; }
.addr { word-break: break-all; }

.topbar {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
  padding: 1rem 1.4rem; border-bottom: 2px solid var(--gold-dim);
  background: linear-gradient(180deg, #141821, #0d1015);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; gap: .8rem; align-items: center; }
.seal { width: 44px; height: 44px; color: var(--gold); filter: drop-shadow(0 0 6px rgba(232,179,75,.45)); }
.tagline { margin: .1em 0 0; color: var(--muted); font-size: .85rem; font-style: italic; }
.steps { display: flex; flex-wrap: wrap; gap: .35rem; }
.steps button {
  background: var(--panel2); color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: .35em .8em; font-size: .8rem; cursor: pointer;
}
.steps button.active { color: var(--ink); background: var(--gold); border-color: var(--gold); font-weight: 700; }
.steps button:disabled { opacity: .45; cursor: not-allowed; }
.steps button:not(:disabled):not(.active):hover { border-color: var(--gold-dim); color: var(--gold-hi); }

main { max-width: 1020px; margin: 0 auto; padding: 1.4rem 1rem 3rem; }
.panel {
  background: linear-gradient(180deg, var(--panel), #0e1116);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; margin-bottom: 1.2rem; display: none;
  box-shadow: 0 8px 30px rgba(0,0,0,.35);
}
.panel.active { display: block; }
.panel.limits { display: block; border-color: var(--gold-dim); }
.lede { color: #cfc9b8; max-width: 70ch; }
.note { color: var(--muted); font-size: .9rem; }
.hint { color: var(--muted); font-weight: 400; font-size: .82em; display: block; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: .9rem; margin: 1rem 0; }
.form-grid label { display: flex; flex-direction: column; gap: .3em; font-size: .92rem; font-weight: 600; color: var(--gold-hi); }
.form-grid label.wide { grid-column: 1 / -1; }
.form-grid label.check { flex-direction: row; align-items: center; gap: .5em; }
input, select, textarea {
  background: #0d1015; border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: .55em .7em; font-size: .95rem; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 2px rgba(232,179,75,.25); }
input:disabled { opacity: .5; }
textarea { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85rem; resize: vertical; }

.row { display: flex; flex-wrap: wrap; gap: .6rem; margin: .9rem 0; }
button {
  background: var(--panel2); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: .55em 1.1em; font-size: .92rem; cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--gold); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: linear-gradient(180deg, var(--gold-hi), var(--gold)); color: #241a08; font-weight: 700; border: none; }
button.primary:hover:not(:disabled) { filter: brightness(1.08); }
button.ghost { background: transparent; }
button.danger-arm { border-color: var(--danger); color: var(--danger); }

.error {
  background: #2a1414; border: 1px solid var(--danger); color: #f3b8b8;
  border-radius: 8px; padding: .7em 1em; margin: .8rem 0; white-space: pre-wrap;
}
.kv { display: grid; gap: .45rem; margin: 1rem 0; }
.kv > div { display: grid; grid-template-columns: 200px 1fr; gap: .8rem; padding: .35em 0; border-bottom: 1px dashed #232830; }
.kv dt { color: var(--muted); font-size: .88rem; }
.kv dd { margin: 0; }
.verdict { font-size: 1.5rem; font-weight: 800; padding: .6em 1em; border-radius: 10px; margin: 1rem 0; text-align: center; font-family: Georgia, serif; }
.verdict.proven { background: #0f2a1f; border: 2px solid var(--verd); color: var(--verd); }
.verdict.unproven { background: #2a1414; border: 2px solid var(--danger); color: var(--danger); }
.checks { display: grid; gap: .4rem; margin-top: .8rem; }
.check { border: 1px solid var(--line); border-radius: 8px; padding: .5em .8em; font-size: .9rem; }
.check.ok { border-color: #2c5a44; } .check.ok .st { color: var(--verd); font-weight: 700; }
.check.bad { border-color: var(--danger); } .check.bad .st { color: var(--danger); font-weight: 700; }
.check .dt { color: var(--muted); font-size: .85em; display: block; }

.table-wrap { overflow-x: auto; margin: 1rem 0; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { padding: .5em .7em; text-align: left; border-bottom: 1px solid #1d222b; }
th { background: var(--panel2); color: var(--gold-hi); font-family: Georgia, serif; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:hover td { background: #151a21; }
.bar { height: 6px; background: #22262e; border-radius: 3px; margin-top: 4px; min-width: 80px; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold-dim), var(--gold)); border-radius: 3px; }
.mono-list { font-family: ui-monospace, Menlo, monospace; font-size: .82rem; color: var(--muted); }
.chunk-card { border: 1px solid var(--line); border-radius: 8px; padding: .9rem 1rem; margin: .7rem 0; background: var(--panel2); }
.chunk-card h4 { margin-bottom: .3em; }
.bcast-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.txid { font-family: ui-monospace, Menlo, monospace; font-size: .78rem; word-break: break-all; color: var(--muted); }

footer { text-align: center; color: var(--muted); font-size: .85rem; padding: 2rem 1rem; border-top: 1px solid var(--line); }
footer .fine { font-size: .78rem; max-width: 70ch; margin: .6em auto 0; }
footer code { color: var(--gold-hi); word-break: break-all; }

@media (max-width: 640px) {
  .kv > div { grid-template-columns: 1fr; gap: .1rem; }
  .topbar { position: static; }
}

/* Keyboard focus: a visible ring in this app's accent on every interactive element (fleet focus-visible pass). */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* Skip link: the first Tab stop on the page — parked off-screen until keyboard focus reveals it (fleet skip-link pass). */
.skip-link { position: absolute; left: 12px; top: -64px; z-index: 1000; padding: 10px 16px; border: 2px solid var(--gold); border-radius: 8px; background: #0b0e14; color: var(--gold); font-weight: 700; text-decoration: none; transition: top .15s ease; }
.skip-link:focus-visible { top: 12px; }
main:focus { outline: none; }

/* Reduced motion: when the OS asks for reduced motion, animations and transitions finish near-instantly and scrolling is not smoothed (fleet reduced-motion pass). Near-zero durations — not animation: none — so fade-ins still land on their end state and no content can be stranded invisible. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* Touch targets (fleet WCAG 2.5.8 pass): native checkboxes/radios measured 13-18px in the fleet probe — size them to the 24px minimum. */
input[type="checkbox"], input[type="radio"] { width: 24px; height: 24px; flex: none; }