.app {
  height: 100vh;
  width: 100vw;
  top: 0;
  left: 0;
  background-color: var(--bg);
  display: grid;
  place-items: center;
  /* padding: 3px; */
}

.done {
  background-color: #ea5455;
}

.grid {
  display: grid;
  gap: 5px;
  height: 100%;
}

.cell {
  /* width: 20px; */
  border: 1px solid #ddd;
}

.time {
  color: var(--text);
  font-size: 30vw;
  font-weight: 800;
  display: grid;
  justify-content: center;
  grid-template-columns: 1.2ex 1.2ex auto 1.2ex 1.2ex;
  gap: 5px;
  user-select: none;
}

.digit {
  display: flex;
  justify-content: center;
}

.button {
  background-color: var(--bg);
  border: 0.5vw solid var(--text);
  color: var(--text);
  font-size: 8vw;
  padding: 0.15em 0.4em;
  border-radius: 0.2em;
  cursor: pointer;
}

.button:hover {
  background-color: var(--text);
  color: var(--bg);
}

.button:disabled {
  width: 100%;
  color: var(--input-disabled-fg);
  border-color: var(--input-disabled-fg);
  cursor: default;
  pointer-events: none;
}

.button-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2vw;
}
:root {
  --text: #ffd460;
  --bg: #2d4059;
  --n300: #cbd5e1;
  --n400: #94a3b8;
  --n600: #475569;
  --input-disabled-fg: var(--n400);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg);
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
    monospace;
}