.lixloop-solver {
  width: 100%;
  max-width: 1080px;
}

.lixloop-solver__form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: stretch;
}

.lixloop-solver__input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  padding: 8px 10px;
  font: inherit;
}

.lixloop-solver__input::placeholder {
  color: #c3c3c3;
  opacity: 1;
}

@media (prefers-color-scheme: dark) {
  .lixloop-solver__input::placeholder {
    color: #525252;
  }
}

.lixloop-solver button {
  padding: 8px 14px;
  font: inherit;
}

#lixloop-solve {
  color: #a40000;
  border: 1px solid #a40000;
  background: #fff;
}

#lixloop-solve:hover,
#lixloop-solve:focus-visible {
  color: #fff;
  background: #a40000;
}

.lixloop-solver__status {
  min-height: 1.5em;
  margin: 12px 0 8px;
}

.lixloop-solver__status[data-level="error"] {
  color: #a40000;
}

.lixloop-solver__difficulty {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin: 0 0 10px;
  font-variant-numeric: tabular-nums;
}

.lixloop-solver__difficulty[hidden] {
  display: none;
}

#lixloop-difficulty-value {
  font-size: 1.2rem;
  font-weight: 600;
}

.lixloop-solver__board {
  display: block;
  width: min(100%, 760px);
  height: auto;
  border: 1px solid #b8b8b8;
  background: #fff;
}

@media (max-width: 620px) {
  .lixloop-solver__form {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .lixloop-solver__form button:last-child {
    grid-column: 1 / -1;
  }
}