:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #131a30;
  --panel-border: #28314d;
  --text: #f5f7ff;
  --muted: #9ea9c7;
  --primary: #4f7cff;
  --primary-hover: #6c91ff;
  --success: #27c281;
  --warning: #f7b955;
  --danger: #ff6b81;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(79, 124, 255, 0.22), transparent 26%),
    linear-gradient(180deg, #0a1020 0%, #090d19 100%);
  color: var(--text);
  font-family:
    Inter,
    "PingFang SC",
    "Microsoft YaHei",
    system-ui,
    sans-serif;
}

.page {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero,
.card {
  background: rgba(19, 26, 48, 0.92);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.25);
}

.hero {
  padding: 28px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.hero h1 {
  margin: 6px 0 10px;
  font-size: clamp(28px, 4vw, 42px);
}

.hero-text,
.muted {
  color: var(--muted);
  line-height: 1.6;
}

.eyebrow {
  margin: 0;
  color: #8fb1ff;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-actions,
.hero-tags {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.tag {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(79, 124, 255, 0.14);
  color: #cfe0ff;
  border: 1px solid rgba(79, 124, 255, 0.28);
}

.card {
  margin-top: 20px;
  padding: 24px;
}

.card h2 {
  margin-top: 0;
  margin-bottom: 18px;
}

.form-grid,
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field span,
.info-label {
  color: #c7d2ee;
  font-size: 14px;
}

.field-hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.field input {
  width: 100%;
  border: 1px solid #334064;
  border-radius: 12px;
  padding: 14px 16px;
  background: #0f1426;
  color: var(--text);
  font-size: 15px;
}

.field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.18);
}

.full-width {
  grid-column: 1 / -1;
}

.form-actions,
.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button,
.wallet-option,
.icon-button {
  appearance: none;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  transition:
    transform 0.16s ease,
    opacity 0.16s ease,
    background 0.16s ease;
}

.button:hover,
.wallet-option:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.button:disabled,
.wallet-option:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.button {
  padding: 14px 18px;
  text-decoration: none;
  color: var(--text);
}

.button.primary {
  background: linear-gradient(135deg, var(--primary), #335dff);
}

.button.primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), #4f7cff);
}

.button.secondary,
.wallet-option {
  background: #1a2139;
  border: 1px solid #334064;
  color: #dce6ff;
}

.message {
  min-height: 24px;
  margin: 16px 0 0;
  font-size: 14px;
}

.message[data-type='success'] {
  color: var(--success);
}

.message[data-type='error'] {
  color: var(--danger);
}

.message[data-type='info'] {
  color: #c8d6ff;
}

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}

.summary-panel {
  padding: 18px;
  border-radius: 16px;
  background: #0f1426;
  border: 1px solid #28314d;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.summary-row:last-child {
  border-bottom: 0;
}

.info-item {
  padding: 16px;
  border-radius: 14px;
  background: #0f1426;
  border: 1px solid #28314d;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

code {
  word-break: break-all;
  font-family:
    "JetBrains Mono",
    "SFMono-Regular",
    Consolas,
    monospace;
  color: #b6d0ff;
}

.stacked-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.warning-list {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--warning);
}

.result-card {
  border-color: rgba(39, 194, 129, 0.4);
}

.txid-line {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

a {
  color: #8fb1ff;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 18, 0.76);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-panel {
  width: min(460px, 100%);
  background: #11182b;
  border: 1px solid #2e3858;
  border-radius: 20px;
  padding: 22px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.modal-header h2 {
  margin: 0;
}

.icon-button {
  width: 36px;
  height: 36px;
  background: #1a2239;
  color: #dce6ff;
  font-size: 20px;
}

.wallet-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.wallet-option {
  padding: 16px 18px;
  text-align: left;
  font-size: 15px;
}

@media (max-width: 780px) {
  .page {
    width: min(100% - 20px, 100%);
    padding-top: 18px;
  }

  .hero,
  .two-col,
  .form-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 22px;
  }
}