* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #fff2d8;
  color: #1f1147;
}

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 14px;
}

.panel {
  background: #ffffff;
  border: 1px solid #ff4d6d;
  border-radius: 8px;
  padding: 14px;
}

h1,
h2 {
  color: #002642;
}

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

.state-subsection {
  margin-top: 10px;
}

.state-subsection h3 {
  margin: 0 0 8px 0;
  font-size: 14px;
  font-weight: 600;
}

.panel.disabled {
  opacity: 0.45;
}

.controls {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.controls > label:not(.checkbox-label) {
  align-self: flex-start;
}

.message-inline {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.message-controls {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: nowrap;
  overflow-x: auto;
}

.message-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 28px;
}

.message-actions #encryptMessage,
.message-actions #clearMessage {
  width: 110px;
}

#copyCipherToInput {
  margin-top: 28px;
}

.message-inline h2 {
  margin: 0;
  white-space: nowrap;
}

.message-inline #messageInput,
.message-inline #cipherOutput {
  width: 320px;
  min-width: 320px;
  height: 120px;
  min-height: 120px;
  resize: none;
}

.message-inline label {
  width: 320px;
  min-width: 320px;
}

.message-status {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: #840032;
  font-size: 14px;
}

.message-status p {
  margin: 0;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.checkbox-label {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.seed-note {
  font-size: 12px;
  color: #0077b6;
  line-height: 1.3;
}

.checkbox-label input[type="checkbox"] {
  margin: 0;
}

input,
textarea,
button {
  font: inherit;
  padding: 8px;
}

input,
textarea {
  border: 1px solid #840032;
  border-radius: 6px;
  background: #ffffff;
  color: #1f1147;
}

#animationDelay {
  width: 180px;
}

#seed {
  width: 90px;
}

.timer-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

#animationDelayValue {
  display: inline-block;
  min-width: 3.5ch;
  text-align: right;
  font-weight: 600;
}

button {
  border: 1px solid #3a86ff;
  border-radius: 6px;
  background: #002642;
  color: #ffffff;
  cursor: pointer;
}

button:hover {
  background: #840032;
}

.rotor-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.reflector-display {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.reflector-pair {
  border: 1px solid #3a86ff;
  border-radius: 4px;
  padding: 4px 8px;
  background: #ffffff;
  font-size: 12px;
}

.reflector-pair.component-active,
.mapping-cell.component-active {
  background: #ffbe0b;
  border-color: #ffbe0b;
  color: #1f1147;
}

.rotor {
  min-width: 110px;
  border: 1px solid #3a86ff;
  border-radius: 6px;
  padding: 8px;
  background: #ffffff;
}

.rotor.component-active {
  background: #3a86ff;
  border-color: #3a86ff;
  color: #ffffff;
}

.rotor-reset-btn {
  align-self: stretch;
  min-width: 96px;
}

.keyboard {
  display: grid;
  grid-template-columns: repeat(13, minmax(34px, 1fr));
  gap: 6px;
}

.key {
  border: 1px solid #3a86ff;
  border-radius: 4px;
  background: #ffffff;
  color: #1f1147;
}

.key:disabled {
  cursor: not-allowed;
  opacity: 0.75;
}

.key.input-active {
  background: #06d6a0;
  color: #073b4c;
}

.key.output-active {
  background: #ffbe0b;
  color: #1f1147;
}

.mapping-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mapping-cell {
  border: 1px solid #3a86ff;
  border-radius: 4px;
  padding: 4px 8px;
  background: #ffffff;
  font-size: 12px;
}

.timeline {
  margin-top: 8px;
  font-size: 13px;
  color: #840032;
}