:root {
  --navy: #283771; --navy-soft: #E9ECF5; --paper: #F7F4F4; --surface: #FFFFFF; --line: #E0DEDE; --line-strong: #CFCCCC;
  --ink: #1F2A55; --muted: #5D6178; --green: #2F5E52; --green-soft: #E3EEEA; --red: #8D2E2E; --red-soft: #F5E4E4;
  --ochre: #7A5A12; --ochre-soft: #F5EEDC;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --cond: "IBM Plex Sans Condensed", "IBM Plex Sans", "Arial Narrow", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--paper); color: var(--ink); font: 400 15px/1.55 var(--sans); }
button, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
a { color: var(--navy); }
.mono { font-family: var(--mono); font-size: 12.5px; overflow-wrap: anywhere; }
.muted { color: var(--muted); }
h2 { font: 600 15px/1.3 var(--cond); color: var(--navy); margin: 0 0 10px; }
p { margin: 0 0 10px; max-width: 72ch; }

header { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; padding: 14px 32px; background: var(--surface); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 14px; margin: 0; font-weight: 400; }
.wordmark { font: 600 22px/1 var(--cond); letter-spacing: -0.01em; color: var(--navy); }
.divider { width: 1px; height: 22px; background: var(--line-strong); }
.product { font: 500 16px/1 var(--sans); color: var(--ink); }
.spacer { flex: 1; }
.user { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.user .avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: #fff; font: 600 13px/1 var(--sans); }
.user .who { display: flex; flex-direction: column; line-height: 1.25; }
.user .role { font-size: 12.5px; color: var(--muted); }

main { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 28px; padding: 28px 32px 40px; max-width: 1240px; margin: 0 auto; }
aside { display: flex; flex-direction: column; gap: 16px; align-self: start; position: sticky; top: 16px; }
@media (max-width: 960px) {
  main { grid-template-columns: 1fr; padding: 18px 16px 32px; }
  aside { position: static; order: 1; }
  header { padding: 12px 16px; }
}
@media (max-width: 520px) { .product { font-size: 14px; } .user .who { display: none; } }
aside section { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 1px 2px rgba(40, 55, 113, .04); padding: 16px 18px; }
aside section p { font-size: 14px; }
.flow { min-width: 0; }

.vault-address { display: block; margin-bottom: 6px; }
.balances { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 10px 0 0; }
.balances dt { color: var(--muted); font-size: 14px; }
.balances dd { margin: 0; text-align: right; font: 600 16px/1.4 var(--cond); font-variant-numeric: tabular-nums; color: var(--navy); }

.signers { list-style: none; margin: 0; padding: 0; }
.signers li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); }
.signers li:first-child { border-top: 0; padding-top: 0; }
.signers .name { font-weight: 600; color: var(--navy); }
.signers .role { font-size: 13px; color: var(--muted); }
.scheme { flex: none; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: var(--green-soft); color: var(--green); white-space: nowrap; }
.scheme.classical { background: var(--ochre-soft); color: var(--ochre); }

.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 22px 28px 24px; }
@media (max-width: 600px) { .step { padding: 18px 16px 20px; } }
.step.locked { background: transparent; }
.step.locked .body, .step.locked .step-actions { display: none; }
.step.current { border-color: var(--navy); box-shadow: 0 0 0 1px var(--navy); }
.step-head { display: flex; align-items: center; gap: 12px; }
.step-head h2 { margin: 0; font-size: 18px; flex: 1; }
.step-number { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font: 600 14px/1 var(--cond); border: 2px solid var(--line-strong); color: var(--muted); background: var(--surface); }
.step.done .step-number { background: var(--green); border-color: var(--green); color: #fff; }
.step.current .step-number { border-color: var(--navy); color: var(--navy); }
.chip { font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 999px; white-space: nowrap; background: #EFEEEE; color: var(--muted); }
.chip.done { background: var(--green-soft); color: var(--green); }
.chip.current { background: var(--navy-soft); color: var(--navy); }
.body { margin-top: 12px; padding-left: 40px; }
.step-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 16px; padding-left: 40px; }
@media (max-width: 600px) { .body, .step-actions { padding-left: 0; } }

.btn { border: 1px solid var(--line-strong); background: var(--surface); padding: 9px 16px; border-radius: 6px; cursor: pointer; font-weight: 600; color: var(--navy); }
.btn:hover { background: var(--navy-soft); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: #1F2C5E; }
.btn.approve { background: var(--green); border-color: var(--green); color: #fff; }
.btn.quiet { border-color: transparent; background: transparent; padding-left: 0; margin-top: 4px; }
.field { display: flex; flex-direction: column; gap: 6px; margin: 4px 0 0; max-width: 420px; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); }
.field select { padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); }
.working { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
.working::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--line-strong); border-top-color: var(--navy); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .working::before { animation: none; } }

.incoming, .notice { margin: 2px 0 14px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.incoming p, .notice p { margin: 0; }
.incoming .from { font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.incoming .amount { font: 700 30px/1.05 var(--cond); letter-spacing: -0.01em; color: var(--navy); font-variant-numeric: tabular-nums; }
.incoming .to { font-size: 16px; margin-top: 4px; }
.incoming .reason { font-size: 14px; color: var(--muted); margin-top: 6px; }
.notice { background: var(--green-soft); border-color: transparent; }
.notice .from { font-size: 13px; font-weight: 600; color: var(--green); margin-bottom: 4px; }
.notice .headline { font: 700 22px/1.2 var(--cond); color: var(--navy); }

.request { margin-top: 16px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.request .sentence { font: 700 20px/1.2 var(--cond); color: var(--navy); margin: 0; }
.checks { list-style: none; margin: 12px 0 0; padding: 0; }
.checks li { display: flex; gap: 10px; padding: 3px 0; font-size: 14px; }
.mark { flex: none; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; margin-top: 1px; }
.mark.ok { background: var(--green-soft); color: var(--green); }
.mark.bad { background: var(--red-soft); color: var(--red); }
details { margin-top: 12px; }
details summary { cursor: pointer; color: var(--navy); font-weight: 600; font-size: 14px; }
details dl { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 16px; margin: 10px 0 0; font-size: 13.5px; }
details dt { color: var(--muted); }
details dd { margin: 0; min-width: 0; }

.ladder { list-style: none; margin: 16px 0 0; padding: 0; }
.ladder li { position: relative; padding: 0 0 12px 28px; font-size: 14px; }
.ladder li::before { content: ""; position: absolute; left: 8px; top: 20px; bottom: 0; width: 2px; background: var(--line); }
.ladder li:last-child::before { display: none; }
.ladder .dot { position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line-strong); background: var(--surface); }
.ladder .confirmed .dot, .ladder .ok .dot { background: var(--green); border-color: var(--green); }
.ladder .pending .dot { border-color: var(--navy); }
.ladder .bad .dot { background: var(--red); border-color: var(--red); }
.ladder .label { font-weight: 600; color: var(--navy); }
.ladder .sub { display: block; font-size: 13px; color: var(--muted); }
.error { margin-top: 14px; padding: 11px 14px; border-radius: 6px; background: var(--red-soft); color: var(--red); font-weight: 500; }
.done-msg { margin-top: 14px; padding: 11px 14px; border-radius: 6px; background: var(--green-soft); color: var(--green); font-weight: 500; }
.done-msg p, .error p { margin: 0; }
footer { max-width: 1240px; margin: 0 auto; padding: 0 32px 36px; color: var(--muted); font-size: 13px; }

/* ---- Block explorer ---- */
.nav { font-weight: 600; font-size: 14px; text-decoration: none; padding: 6px 10px; border-radius: 6px; }
.nav:hover { background: var(--navy-soft); }
/* On a phone the header has room for the brand and the user only; transactions still link to the explorer. */
@media (max-width: 600px) { .nav { display: none; } }
.brand .home { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.search { display: flex; gap: 8px; flex: 1 1 340px; max-width: 520px; }
.search input { flex: 1; min-width: 0; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 6px; font: 13px/1.4 var(--mono); background: var(--surface); color: var(--ink); }
main.explorer { display: flex; flex-direction: column; gap: 16px; max-width: 1100px; }
.page-head h1 { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 0 0 4px; font: 700 26px/1.2 var(--cond); color: var(--navy); }
.page-head p { margin: 0; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 18px 22px; min-width: 0; }
@media (max-width: 600px) { .panel { padding: 14px 14px; } }
.home-grid { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 1080px) { .home-grid { grid-template-columns: 1fr; } }
.blocks { list-style: none; margin: 0; padding: 0; }
.blocks li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); font-size: 14px; }
.blocks li:first-child { border-top: 0; padding-top: 0; }
.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 24px; margin: 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.table-wrap { overflow-x: auto; }
.txs { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.txs th { text-align: left; font-weight: 600; font-size: 12.5px; color: var(--muted); padding: 0 14px 8px 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
.txs td { padding: 8px 14px 8px 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
.txs tr:last-child td { border-bottom: 0; }
.txs td.party { white-space: normal; min-width: 120px; }
.method { font: 500 12.5px/1.4 var(--mono); background: var(--navy-soft); color: var(--navy); padding: 1px 7px; border-radius: 4px; }
a.named { font-weight: 500; }
.chip.failed { background: var(--red-soft); color: var(--red); }
.args { list-style: none; margin: 0; padding: 0; font-size: 13.5px; }
.args li { display: grid; grid-template-columns: 140px 72px minmax(0, 1fr); gap: 2px 14px; padding: 6px 0; border-top: 1px solid var(--line); }
.args li:first-child { border-top: 0; }
/* Nested rows indent by 22px, so their first column is 22px narrower and the type and value columns line up. */
.args .args { grid-column: 1 / -1; margin: 4px 0 2px 6px; padding-left: 14px; border-left: 2px solid var(--line); }
.args .args li { grid-template-columns: 118px 72px minmax(0, 1fr); }
.args .args .args li { grid-template-columns: 96px 72px minmax(0, 1fr); }
@media (max-width: 600px) { .args li { grid-template-columns: 1fr; } }
.arg-name { font-weight: 600; color: var(--navy); }
.arg-type { font: 12px/1.7 var(--mono); color: var(--muted); }
.arg-value { min-width: 0; overflow-wrap: anywhere; }
.arg-note { display: block; font-size: 12.5px; color: var(--green); }
.events { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.event-head { margin-bottom: 4px; font-size: 14px; }
.small { font-size: 13px; margin: 10px 0 0; }