.chain-body {
  min-height: 100vh;
}

.chain-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 20px 46px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chain-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 68px;
  padding: 9px 18px;
  border-radius: 18px;
}

.chain-back {
  color: var(--red-dark);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.chain-hero {
  padding: 22px;
  border-radius: var(--radius);
}

.chain-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: #eef1f5;
  color: #55606f;
}

.chain-state--ok {
  background: #eaf7ef;
  color: #1c7a45;
}

.chain-state--error {
  background: var(--red-soft);
  color: var(--red-dark);
}

.chain-title {
  margin: 14px 0 8px;
  font-size: clamp(24px, 3.6vw, 34px);
  letter-spacing: -.03em;
  line-height: 1.25;
}

.chain-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.chain-contract {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fbfcfd;
}

.chain-contract__label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 6px;
}

.chain-contract__value {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  line-height: 1.7;
  word-break: break-all;
  color: var(--ink);
}

.chain-contract__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.chain-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--red);
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.chain-btn:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.chain-btn--ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.chain-btn--ghost:hover {
  background: var(--red-soft);
  border-color: #f0e2c3;
  color: var(--red-dark);
}

.chain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.chain-card {
  padding: 16px;
  border-radius: 18px;
}

.chain-card__title {
  margin: 0;
  font-size: 12px;
  font-weight: 750;
  color: var(--muted);
}

.chain-value {
  margin: 8px 0 2px;
  font-size: 24px;
  font-weight: 750;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.chain-meta {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.chain-progress {
  padding: 16px;
  border-radius: 18px;
}

.chain-progress__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
}

.chain-progress__track {
  position: relative;
  height: 10px;
  margin: 10px 0 14px;
  border-radius: 999px;
  background: #eef1f5;
  overflow: hidden;
}

.chain-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--red-bright), var(--red-dark));
  transition: width .4s ease;
}

.chain-balance {
  padding: 18px;
  border-radius: 18px;
}

.chain-hint {
  margin: 6px 0 12px;
  font-size: 13px;
  color: var(--muted);
}

.chain-balance__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chain-input {
  flex: 1 1 240px;
  min-width: 0;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

.chain-balance__value {
  margin: 14px 0 2px;
  font-size: 22px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

.chain-footnote {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 520px) {
  .chain-shell {
    padding: 14px 14px 38px;
  }

  .chain-hero {
    padding: 18px;
  }

  .chain-btn {
    flex: 1 1 auto;
  }
}