:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #15171c;
  --muted: #5d6573;
  --line: #e2e5ea;
  --field: #fbfbfc;
  --accent: #c2410c;
  --accent-text: #ffffff;
  --accent-soft: #fff1e8;
  --ok: #0f7a3d;
  --ok-soft: #e8f6ee;
  --bad: #b42318;
  --bad-soft: #fdecea;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1014;
    --card: #171a20;
    --text: #e9ebef;
    --muted: #9aa2b1;
    --line: #272c35;
    --field: #12151a;
    --accent: #f97316;
    --accent-text: #160b03;
    --accent-soft: #2a1a0e;
    --ok: #4ade80;
    --ok-soft: #0f2418;
    --bad: #f87171;
    --bad-soft: #2a1314;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
main {
  max-width: 36rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}
.hidden {
  display: none;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85rem;
}
.mono {
  font-family: var(--mono);
  font-size: 0.85em;
  word-break: break-all;
}
.mono.elided {
  white-space: nowrap;
}
a {
  color: var(--accent);
  text-underline-offset: 2px;
}
.top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}
.net {
  font-size: 0.75rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.hero h1 {
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.4rem;
}
.hero p {
  margin: 0 0 1.5rem;
}
.steps {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.steps li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: 1;
}
.steps .dot {
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.75rem;
  font-weight: 600;
}
.steps .active {
  color: var(--text);
  font-weight: 600;
}
.steps .active .dot {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}
.steps .done .dot {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  color: var(--accent);
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 0 0 1rem;
  box-shadow: 0 1px 2px rgb(0 0 0 / 4%);
}
.card h2 {
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
}
.card > p:first-of-type {
  margin-top: 0;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 1rem 0;
}
.field .label {
  font-size: 0.85rem;
  font-weight: 600;
}
.field .hint {
  font-size: 0.85rem;
  color: var(--muted);
}
input:not([type="file"]),
textarea {
  font: inherit;
  font-family: var(--mono);
  font-size: 0.9rem;
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
  color: var(--text);
  resize: vertical;
}
input:focus,
textarea:focus,
.btn:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
input[type="file"] {
  font: inherit;
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.25rem;
  max-width: 100%;
}
input[type="file"]::file-selector-button {
  font: inherit;
  font-weight: 600;
  margin-right: 0.6rem;
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 1rem 0 0.25rem;
}
.actions.tight {
  margin: 0;
}
.btn {
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.1rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn.primary {
  background: var(--accent);
  color: var(--accent-text);
}
.btn.primary:hover:not(:disabled) {
  filter: brightness(1.08);
}
.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn.ghost:hover:not(:disabled) {
  border-color: var(--muted);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.history .btn {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}
.coin-option {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.6rem;
  margin: 0.6rem 0;
}
.coin-option input[type="radio"] {
  width: auto;
  padding: 0;
  margin: 0;
  flex: none;
}
.coin-option .mono {
  min-width: 0;
  flex: 1 1 100%;
}
.coin {
  overflow-wrap: anywhere;
  padding: 1rem;
  border-radius: 10px;
  background: var(--field);
  border: 1px solid var(--line);
  margin-bottom: 1rem;
}
.coin p {
  margin: 0.4rem 0 0;
}
.coin-amount {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0.6rem 0 0.1rem;
}
.coin .coin-amount {
  margin-top: 0;
}
.amount {
  font-variant-numeric: tabular-nums;
}
.unit {
  color: var(--muted);
  font-weight: 500;
}
.estimate {
  margin: 0 0 1.5rem;
}
.rows {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.45rem 1rem;
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
}
.rows dt {
  color: var(--muted);
}
.rows dd {
  margin: 0;
  text-align: right;
  min-width: 0;
}
.check {
  color: var(--ok);
  font-size: 0.85rem;
  margin: -0.5rem 0 1.25rem;
}
.how {
  padding-left: 1.2rem;
  margin: 0.5rem 0 0;
  font-size: 0.92rem;
}
.how li {
  margin: 0.3rem 0;
}
.reveal {
  margin: 0.75rem 0;
  font-size: 0.85rem;
}
.reveal summary {
  cursor: pointer;
  color: var(--muted);
}
.reveal textarea {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  word-break: break-all;
}
.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.badge.confirmed {
  background: var(--ok-soft);
  color: var(--ok);
}
.badge.failed {
  background: var(--bad-soft);
  color: var(--bad);
}
.alert {
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin: 0 0 1rem;
  font-size: 0.92rem;
}
.alert.error {
  background: var(--bad-soft);
  color: var(--bad);
}
.alert.ok {
  background: var(--ok-soft);
  color: var(--ok);
}
.busy {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}
.spinner {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.history-head h2 {
  margin: 0;
}
.claims {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}
.claims li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
}
.services {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}
.services li {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
}
.services li + li {
  margin-top: 0.5rem;
}
.services a {
  font-weight: 600;
}
footer {
  margin-top: 2rem;
  text-align: center;
}
@media (max-width: 30rem) {
  .hero h1 {
    font-size: 1.6rem;
  }
  .card {
    padding: 1.1rem;
  }
  .steps {
    font-size: 0.75rem;
  }
}