.fin-explainer {
  --fin-accent: var(--blue, #9ecbd3);
  --fin-risk: #d98275;
  --fin-ground: var(--canvas, #1b1b1e);
  --fin-surface: var(--stripe, #27272d);
  margin: 36px 0 48px;
  padding: 24px 0;
  border-block: 1px solid var(--line-strong, #3c3c40);
  color: var(--ink, #c0c0c0);
  font-family: var(--font-body, sans-serif);
  font-size: 0.87rem;
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
}
:root[data-theme="light"] .fin-explainer { --fin-risk: #a23f34; }
.fin-explainer *, .fin-explainer *::before, .fin-explainer *::after { box-sizing: border-box; }
.fin-explainer [hidden] { display: none !important; }
.fin-explainer .fin-heading { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 12px 18px; }
.fin-explainer .fin-eyebrow { margin: 0 0 6px; color: var(--ink-soft); font-family: var(--font-mono, monospace); font-size: 0.66rem; letter-spacing: 0.08em; }
.fin-explainer .fin-title { display: block; color: var(--ink-strong); font-family: var(--font-display, sans-serif); font-size: 1.18rem; font-weight: 600; line-height: 1.4; }
.fin-explainer .fin-modes { display: flex; flex-wrap: wrap; gap: 4px; padding: 3px; border: 1px solid var(--line-strong); border-radius: 4px; }
.fin-explainer button { min-height: 38px; padding: 7px 11px; border: 1px solid transparent; border-radius: 3px; background: transparent; color: var(--ink-soft); font: inherit; font-size: 0.79rem; cursor: pointer; }
.fin-explainer .fin-modes button { min-height: 32px; padding: 4px 10px; }
.fin-explainer button:hover:not(:disabled) { background: var(--fin-surface); color: var(--ink-strong); }
.fin-explainer button[aria-pressed="true"] { border-color: var(--line-strong); background: var(--fin-surface); color: var(--ink-strong); }
.fin-explainer button:disabled { opacity: 0.4; cursor: default; }
.fin-explainer button:focus-visible, .fin-explainer input:focus-visible { outline: 2px solid var(--fin-accent); outline-offset: 4px; }
.fin-explainer .fin-scene { display: grid; grid-template-columns: 45px 1fr; gap: 4px 12px; min-height: 104px; padding: 24px 0 20px; }
.fin-explainer .fin-step { grid-row: 1 / 3; padding-top: 2px; color: var(--fin-accent); font-family: var(--font-mono, monospace); font-size: 0.75rem; white-space: nowrap; }
.fin-explainer .fin-scene-title { margin: 0; color: var(--ink-strong); font-size: 0.95rem; font-weight: 600; }
.fin-explainer .fin-scene-copy { margin: 0; color: var(--ink-soft); font-size: 0.83rem; }
.fin-explainer .fin-bank-grid { display: grid; grid-template-columns: minmax(0, 1fr) 84px minmax(0, 1.15fr); align-items: stretch; margin: 8px 0 18px; }
.fin-explainer .fin-zone { min-width: 0; padding: 14px; border: 1px solid var(--line-strong); border-radius: 3px; background: var(--fin-ground); }
.fin-explainer .fin-zone-label { display: block; color: var(--ink-soft); font-family: var(--font-mono, monospace); font-size: 0.66rem; letter-spacing: 0.035em; }
.fin-explainer .fin-zone-title { display: block; margin-top: 4px; color: var(--ink-strong); font-size: 0.9rem; font-weight: 600; }
.fin-explainer .fin-state { display: block; min-height: 33px; margin-top: 6px; color: var(--ink-soft); font-size: 0.76rem; }
.fin-explainer .fin-bank-zone { display: flex; flex-direction: column; }
.fin-explainer .fin-bank-ledger { display: grid; grid-template-columns: 32px 1fr; align-items: center; gap: 12px; margin: 17px 0 14px; padding: 12px; border-block: 1px solid var(--line-strong); }
.fin-explainer .fin-bank-glyph { width: 29px; height: 31px; fill: none; stroke: currentColor; stroke-width: 1.2; color: var(--ink-soft); }
.fin-explainer .fin-bank-ledger strong { display: block; color: var(--ink-strong); font-size: 0.85rem; }
.fin-explainer .fin-bank-ledger span { display: block; color: var(--ink-soft); font-size: 0.74rem; }
.fin-explainer .fin-bank-actions { display: grid; gap: 5px; margin-top: auto; }
.fin-explainer .fin-action { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 5px 0; color: var(--ink-soft); font-size: 0.73rem; }
.fin-explainer .fin-action b { color: var(--ink); font-weight: 500; }
.fin-explainer .fin-action span:last-child { text-align: right; }
.fin-explainer .fin-connector { display: flex; min-width: 0; flex-direction: column; align-items: center; justify-content: center; gap: 7px; padding-inline: 5px; color: var(--ink-soft); }
.fin-explainer .fin-connector span { color: inherit; font-family: var(--font-mono, monospace); font-size: 0.65rem; line-height: 1.45; text-align: center; }
.fin-explainer .fin-arrow { display: block; width: 32px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.fin-explainer .fin-transaction { border-style: dashed; }
.fin-explainer .fin-rows { display: grid; gap: 4px; margin-top: 12px; }
.fin-explainer .fin-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-width: 0; min-height: 29px; padding: 5px 8px; border: 1px solid var(--line-strong); color: var(--ink-soft); font-size: 0.74rem; }
.fin-explainer .fin-row > span:first-child { display: flex; align-items: center; gap: 7px; min-width: 0; }
.fin-explainer .fin-row > span:last-child { flex-shrink: 0; font-size: 0.68rem; }
.fin-explainer .fin-dot { display: inline-block; width: 8px; height: 8px; flex-shrink: 0; border: 1px solid currentColor; }
.fin-explainer .fin-transaction-note { display: block; margin-top: 10px; color: var(--ink-soft); font-size: 0.72rem; }
.fin-explainer .fin-reconciliation { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 15px; padding: 11px 0; border-block: 1px solid var(--line-strong); color: var(--ink-soft); }
.fin-explainer .fin-reconciliation strong { color: var(--ink-strong); font-size: 0.77rem; font-weight: 600; }
.fin-explainer .fin-reconciliation span { font-size: 0.74rem; }
.fin-explainer .fin-reconcile-symbol { font-family: var(--font-mono, monospace); font-size: 1.1rem; }
.fin-explainer .fin-payment-grid { display: grid; grid-template-columns: minmax(0, 1fr) 42px 135px 42px minmax(0, 1fr); align-items: stretch; margin: 8px 0 18px; }
.fin-explainer .fin-payment-grid .fin-zone { padding: 12px; }
.fin-explainer .fin-payment-grid .fin-row { flex-wrap: wrap; gap: 3px 8px; min-height: 48px; }
.fin-explainer .fin-payment-grid .fin-row > span:last-child { margin-left: 15px; }
.fin-explainer .fin-payment-grid .fin-state { min-height: 41px; }
.fin-explainer .fin-payment-grid .fin-connector { padding-inline: 1px; }
.fin-explainer .fin-payment-grid .fin-connector span { font-size: 0.63rem; }
.fin-explainer .fin-transfer { display: flex; min-width: 0; flex-direction: column; align-items: stretch; justify-content: center; gap: 9px; }
.fin-explainer .fin-relay { padding: 10px 6px; border-block: 1px solid var(--line-strong); color: var(--ink-soft); font-size: 0.71rem; text-align: center; }
.fin-explainer .fin-relay strong { display: block; color: var(--ink-strong); font-family: var(--font-mono, monospace); font-size: 0.68rem; font-weight: 500; }
.fin-explainer .fin-relay span { display: block; margin-top: 5px; }
.fin-explainer .fin-kafka { padding: 12px 9px; border: 1px solid var(--line-strong); border-radius: 3px; }
.fin-explainer .fin-kafka strong { display: block; color: var(--ink-strong); font-family: var(--font-mono, monospace); font-size: 0.78rem; text-align: center; }
.fin-explainer .fin-message { display: flex; align-items: center; justify-content: center; gap: 6px; min-height: 28px; margin-top: 8px; padding: 4px 6px; border: 1px solid var(--line-strong); color: var(--ink-soft); font-family: var(--font-mono, monospace); font-size: 0.7rem; }
.fin-explainer .fin-message-duplicate { border-style: dashed; }
.fin-explainer .fin-message-duplicate[data-state="idle"] { visibility: hidden; }
.fin-explainer .fin-message-state { display: block; min-height: 35px; margin-top: 8px; color: var(--ink-soft); font-size: 0.69rem; }
.fin-explainer .fin-result { display: flex; align-items: baseline; gap: 10px; min-height: 40px; margin-top: 10px; padding: 11px 0; border-bottom: 1px solid var(--line-strong); color: var(--ink-soft); font-size: 0.78rem; }
.fin-explainer .fin-result-symbol { flex-shrink: 0; color: var(--fin-accent); font-family: var(--font-mono, monospace); }
.fin-explainer .fin-controls { display: flex; align-items: center; gap: 5px; margin-top: 12px; }
.fin-explainer .fin-controls input { min-width: 0; flex: 1; margin-inline: 10px; accent-color: var(--fin-accent); cursor: pointer; }
.fin-explainer .fin-controls [data-fin-play] { min-width: 58px; border-color: var(--line-strong); }
.fin-explainer figcaption { margin-top: 14px; color: var(--ink-soft); font-size: 0.75rem; line-height: 1.6; }
.fin-explainer .fin-caption-title { display: block; margin-bottom: 5px; color: var(--ink-strong); font-weight: 600; }
.fin-explainer .fin-note { display: block; margin-top: 5px; }
.fin-explainer [data-fin-part][data-state="active"] { color: var(--fin-accent); }
.fin-explainer .fin-zone[data-state="active"], .fin-explainer .fin-zone[data-state="done"], .fin-explainer .fin-row[data-state="active"], .fin-explainer .fin-row[data-state="done"], .fin-explainer .fin-message[data-state="active"], .fin-explainer .fin-message[data-state="done"] { border-color: var(--fin-accent); }
.fin-explainer .fin-row[data-state="done"] .fin-dot, .fin-explainer .fin-message[data-state="active"] .fin-dot, .fin-explainer .fin-message[data-state="done"] .fin-dot { background: var(--fin-accent); border-color: var(--fin-accent); }
.fin-explainer [data-fin-part][data-state="risk"], .fin-explainer [data-fin-part][data-state="unknown"] { color: var(--fin-risk); }
.fin-explainer .fin-zone[data-state="risk"], .fin-explainer .fin-row[data-state="risk"], .fin-explainer .fin-message[data-state="risk"] { border-color: var(--fin-risk); border-style: dashed; }
.fin-explainer .fin-row[data-state="risk"] .fin-dot { position: relative; border-color: var(--fin-risk); }
.fin-explainer .fin-row[data-state="risk"] .fin-dot::after { position: absolute; top: 2px; left: -2px; width: 10px; height: 1px; background: var(--fin-risk); content: ""; transform: rotate(-45deg); }
.fin-explainer .fin-row[data-state="staged"] { border-style: dashed; }
.fin-explainer .fin-connector[data-state="blocked"] { color: var(--fin-risk); }
.fin-explainer .fin-connector[data-state="blocked"] .fin-arrow { stroke-dasharray: 3 3; }
.fin-explainer .fin-reconciliation[data-state="active"], .fin-explainer .fin-reconciliation[data-state="risk"] { border-color: currentColor; }
.fin-explainer[data-animate="true"] .fin-row[data-state="active"] .fin-dot { animation: fin-arrive 220ms ease-out both; }
@keyframes fin-arrive { from { opacity: 0; transform: translateX(-4px); } to { opacity: 1; transform: translateX(0); } }
@media (max-width: 680px) {
  .fin-explainer .fin-heading { gap: 12px; }
  .fin-explainer .fin-title { font-size: 1.08rem; }
  .fin-explainer .fin-bank-grid { grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1.15fr); }
  .fin-explainer .fin-zone { padding: 11px; }
  .fin-explainer .fin-row { flex-wrap: wrap; gap: 3px 8px; }
  .fin-explainer .fin-row > span:last-child { margin-left: 15px; }
  .fin-explainer .fin-payment-grid { grid-template-columns: 1fr; }
  .fin-explainer .fin-payment-grid .fin-zone { display: grid; grid-template-columns: 95px minmax(0, 1fr); column-gap: 12px; }
  .fin-explainer .fin-payment-grid .fin-zone-label { grid-column: 1; grid-row: 1; }
  .fin-explainer .fin-payment-grid .fin-zone-title { grid-column: 1; grid-row: 2; font-size: 0.8rem; overflow-wrap: anywhere; }
  .fin-explainer .fin-payment-grid .fin-state { grid-column: 1; grid-row: 3; min-height: 0; }
  .fin-explainer .fin-payment-grid .fin-rows { grid-column: 2; grid-row: 1 / 4; align-self: start; margin-top: 0; }
  .fin-explainer .fin-payment-grid .fin-row { min-height: 39px; }
  .fin-explainer .fin-payment-grid .fin-transaction-note { grid-column: 1 / -1; margin-top: 8px; }
  .fin-explainer .fin-payment-grid .fin-connector { min-height: 30px; flex-direction: row; gap: 10px; }
  .fin-explainer .fin-payment-grid .fin-connector .fin-arrow { width: 22px; height: 16px; transform: rotate(90deg); }
  .fin-explainer .fin-transfer { display: grid; grid-template-columns: 95px minmax(0, 1fr); gap: 12px; padding: 0 12px; }
  .fin-explainer .fin-relay { align-self: center; padding-inline: 0; }
  .fin-explainer .fin-kafka { padding: 8px; }
  .fin-explainer .fin-kafka strong { text-align: left; }
  .fin-explainer .fin-message { display: inline-flex; margin-top: 5px; margin-right: 4px; font-size: 0.66rem; }
  .fin-explainer .fin-message-state { min-height: 0; margin-top: 5px; }
}
@media (max-width: 480px) {
  .fin-explainer { padding-block: 20px; }
  .fin-explainer .fin-scene { min-height: 128px; grid-template-columns: 39px 1fr; gap: 4px 9px; padding-top: 20px; }
  .fin-explainer .fin-bank-grid { grid-template-columns: 1fr; }
  .fin-explainer .fin-bank-zone { display: grid; grid-template-columns: 1fr 1.1fr; column-gap: 14px; }
  .fin-explainer .fin-bank-zone > .fin-zone-label, .fin-explainer .fin-bank-zone > .fin-zone-title, .fin-explainer .fin-bank-zone > .fin-state { grid-column: 1; }
  .fin-explainer .fin-bank-ledger { grid-column: 2; grid-row: 1 / 4; align-self: start; margin: 0; padding: 7px 0; gap: 8px; }
  .fin-explainer .fin-bank-actions { grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 9px; }
  .fin-explainer .fin-action { display: block; padding: 4px 0; }
  .fin-explainer .fin-action b, .fin-explainer .fin-action span:last-child { display: block; text-align: left; }
  .fin-explainer .fin-bank-grid > .fin-connector { min-height: 33px; flex-direction: row; gap: 10px; }
  .fin-explainer .fin-bank-grid > .fin-connector .fin-arrow { width: 22px; height: 16px; transform: rotate(90deg); }
  .fin-explainer .fin-bank-grid .fin-transaction { display: grid; grid-template-columns: 100px minmax(0, 1fr); column-gap: 12px; }
  .fin-explainer .fin-bank-grid .fin-transaction > .fin-zone-label, .fin-explainer .fin-bank-grid .fin-transaction > .fin-zone-title, .fin-explainer .fin-bank-grid .fin-transaction > .fin-state { grid-column: 1; }
  .fin-explainer .fin-bank-grid .fin-transaction .fin-rows { grid-column: 2; grid-row: 1 / 5; margin-top: 0; }
  .fin-explainer .fin-bank-grid .fin-transaction-note { grid-column: 1 / -1; margin-top: 10px; }
  .fin-explainer .fin-controls { gap: 0; }
  .fin-explainer .fin-controls button { padding-inline: 8px; }
  .fin-explainer .fin-controls input { margin-inline: 6px; }
  .fin-explainer .fin-reconciliation { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .fin-explainer *, .fin-explainer *::before, .fin-explainer *::after { animation: none !important; transition: none !important; }
}
@media print {
  .fin-explainer { break-inside: avoid; }
  .fin-explainer .fin-modes, .fin-explainer .fin-controls { display: none !important; }
}