* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0b0f14;
  color: #e6edf3;
  font-family: "Courier New", monospace;
}

.container {
  max-width: 800px;
  margin: 100px auto;
  padding: 0 20px;
}

.brand {
  font-size: 42px;
  letter-spacing: 4px;
  margin-bottom: 40px;
  font-weight: bold;
}

.input-row {
  display: flex;
  gap: 12px;
}

input {
  flex: 1;
  padding: 14px;
  background: #11161c;
  border: 1px solid #1f2933;
  color: #e6edf3;
  font-size: 14px;
  outline: none;
}

input:focus {
  border-color: #3b82f6;
}

button {
  padding: 14px 22px;
  background: #1f2933;
  border: 1px solid #2d3a45;
  color: #e6edf3;
  font-size: 13px;
  letter-spacing: 1px;
  cursor: pointer;
}

button:hover {
  background: #2d3a45;
}

.divider {
  margin: 40px 0;
  height: 1px;
  background: #1f2933;
}

.result {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.row {
  display: flex;
  justify-content: space-between;
}

.label {
  color: #6b7280;
  letter-spacing: 2px;
}

.value {
  font-weight: bold;
  text-align: right;
}

.error {
  margin-top: 30px;
  color: #ef4444;
}

.hidden {
  display: none;
}

.debug-block {
  margin-top: 40px;
}

.debug-block pre {
  background: #11161c;
  padding: 20px;
  max-height: 400px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid #1f2933;
}