:root {
  color-scheme: light;
  --bg: #fff;
  --fg: #000;
  --console-font-size: clamp(14px, 3.8vw, 18px);
  --console-line-height: 1.45;
  --console-padding-x: clamp(12px, 3.5vw, 20px);
  --console-padding-y: clamp(12px, 3.5vw, 16px);
  --keyboard-gap: 8px;
  --key-height: clamp(38px, 6.2vh, 56px);
  --bottom-safe: env(safe-area-inset-bottom, 0px);
}

body.theme-dark {
  color-scheme: dark;
  --bg: #000;
  --fg: #fff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: "Lucida Console", monospace;
}

body {
  overflow: hidden;
}

.console {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  background: var(--bg);
}

.history {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--console-padding-y) var(--console-padding-x);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  text-transform: uppercase;
  font-size: var(--console-font-size);
  line-height: var(--console-line-height);
  -webkit-overflow-scrolling: touch;
}

.entry {
  margin: 0 0 16px;
}

.entry:last-child {
  margin-bottom: 0;
}

.composer {
  display: flex;
  flex-direction: column;
  gap: var(--keyboard-gap);
  padding:
    var(--console-padding-y)
    var(--console-padding-x)
    calc(var(--console-padding-y) + var(--bottom-safe));
  background: var(--bg);
  border-top: 1px solid var(--fg);
}

.command-display {
  min-height: calc(var(--console-line-height) * 2 * var(--console-font-size));
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  text-transform: uppercase;
  font-size: var(--console-font-size);
  line-height: var(--console-line-height);
  border: 1px solid var(--fg);
  padding: 10px 12px;
}

.keyboard {
  display: flex;
  flex-direction: column;
  gap: var(--keyboard-gap);
}

.keyboard-row {
  display: grid;
  gap: var(--keyboard-gap);
}

.keyboard-row[data-row="numbers"] {
  grid-template-columns: repeat(10, minmax(0, 1fr));
}

.keyboard-row[data-row="top"] {
  grid-template-columns: repeat(10, minmax(0, 1fr));
}

.keyboard-row[data-row="middle"] {
  grid-template-columns: repeat(9, minmax(0, 1fr));
}

.keyboard-row[data-row="bottom"] {
  grid-template-columns: 1.35fr repeat(7, minmax(0, 1fr)) 1.35fr;
}

.keyboard-row[data-row="enter-tail"] {
  grid-template-columns: 1fr;
}

.key {
  min-height: var(--key-height);
  border: 1px solid var(--fg);
  border-radius: 0;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  font-size: clamp(12px, 3.1vw, 18px);
  text-transform: uppercase;
  touch-action: manipulation;
}

.key:active {
  background: var(--fg);
  color: var(--bg);
}

.key[data-key="ENTER-LONG"] {
  grid-column: 1 / -1;
}

.cursor {
  background: var(--fg);
  color: var(--bg);
  animation: blink 2s steps(1, end) infinite;
}

@keyframes blink {
  0%,
  49.999% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

@media (hover: none) and (pointer: coarse) {
  .history,
  .command-display {
    font-size: clamp(15px, 4vw, 18px);
  }
}