body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

.topbar {
  padding: 16px 24px;
  background: #111827;
  border-bottom: 1px solid #1f2937;
}

.wrap {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 16px;
  display: grid;
  gap: 20px;
}

.card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 14px;
  padding: 18px;
}

.stream {
  border: 1px solid #263244;
  border-radius: 10px;
  padding: 12px;
  margin-top: 12px;
}

label {
  display: block;
  margin: 10px 0 6px;
  font-size: 14px;
}

input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0b1220;
  color: #fff;
  box-sizing: border-box;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

button {
  padding: 10px 14px;
  border: 0;
  border-radius: 8px;
  background: #2563eb;
  color: white;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #0b1220;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #334155;
  margin-top: 14px;
}

textarea {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0b1220;
  color: #fff;
  box-sizing: border-box;
  margin-top: 8px;
}

.stream {
  border: 1px solid #263244;
  border-radius: 10px;
  padding: 12px;
  margin-top: 12px;
  background: #0b1220;
}

.stream-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.stream-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 6px 0;
  flex-wrap: wrap;
}

.stream-details {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #223048;
}

.tag {
  font-size: 12px;
  opacity: 0.7;
  margin-top: 4px;
}

.error {
  color: #ff7b7b;
}

.utxo-scroll {
  max-height: 420px;
  overflow-y: auto;
  border: 1px solid #223048;
  border-radius: 10px;
  padding: 10px;
  background: #0b1220;
}

.utxo-row {
  border-bottom: 1px solid #1c2a40;
  padding: 10px 0;
}

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

.utxo-status {
  margin-top: 10px;
  font-size: 13px;
  opacity: 0.8;
}

.mono {
  font-family: monospace;
  word-break: break-all;
}

.hex-block {
  margin-top: 18px;
}

.hex-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.hex-box {
  width: 100%;
  min-height: 320px;
  height: 420px;
  resize: vertical;
  overflow: auto;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #334155;
  background: #07101d;
  color: #fff;
  box-sizing: border-box;
  font-family: monospace;
  font-size: 12px;
  line-height: 1.35;
  word-break: break-all;
  white-space: pre-wrap;
}

textarea {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0b1220;
  color: #fff;
  box-sizing: border-box;
  margin-top: 8px;
}

.utxo-scroll {
  max-height: 420px;
  overflow-y: auto;
  border: 1px solid #223048;
  border-radius: 10px;
  padding: 10px;
  background: #0b1220;
}

.utxo-row {
  border-bottom: 1px solid #1c2a40;
  padding: 10px 0;
}

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

.utxo-status {
  margin-top: 10px;
  font-size: 13px;
  opacity: 0.8;
}

.mono {
  font-family: monospace;
  word-break: break-all;
}

.stream {
  border: 1px solid #263244;
  border-radius: 10px;
  padding: 12px;
  margin-top: 12px;
  background: #0b1220;
}

.stream-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.stream-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 6px 0;
  flex-wrap: wrap;
}

.stream-details {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #223048;
}

.tag {
  font-size: 12px;
  opacity: 0.7;
  margin-top: 4px;
}

.error {
  color: #ff7b7b;
}