body {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 40px;
  margin: 0;
  background: #000;
  color: #fff;
  font-family: sans-serif;
}

#content {
  width: 100%;
  max-width: 700px;
  padding: 0 1rem;
}

.swap-container {
  max-width: 600px;
  margin: 2rem auto;
  background: #111;
  padding: 1.5rem;
  border-radius: 12px;
}

.swap-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.swap-row select {
  flex: 1;
}

.swap-container label,
.swap-container input,
.swap-container select,
.swap-container button {
  width: 100%;
  margin-bottom: 1rem;
}

.swap-container input,
.swap-container select {
  padding: 10px;
  border-radius: 6px;
  background: #000;
  color: #fff;
  border: 1px solid #333;
}

.swap-container button {
  padding: 10px;
  border-radius: 6px;
  background-color: #e89d32;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  border: none;
}

.swap-container code {
  background: #000;
  padding: 6px;
  display: inline-block;
  word-break: break-all;
  border-radius: 6px;
}

#firoNote {
  font-size: 0.85rem;
  color: #e89d32;
  margin-top: -0.5rem;
  margin-bottom: 1rem;
  display: none;
}

.tor-url code {
  word-break: break-word;
}

/* Ocultar flechas del input number */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] {
  -moz-appearance: textfield;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loader {
  border: 3px solid #ccc;
  border-top: 3px solid #999;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  display: inline-block;
  animation: spin 1s linear infinite;
  vertical-align: middle;
}