.encoding-tool {
  display: grid;
  gap: 1.5rem;
  max-width: 58rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  background: rgb(16 23 34 / 0.82);
  box-shadow: var(--shadow);
}

.encoding-tool__notice {
  padding: 0.9rem 1rem;
  border: 1px solid rgb(112 183 255 / 0.28);
  border-radius: var(--radius-small);
  background: rgb(112 183 255 / 0.08);
  color: var(--text-muted);
}

.encoding-tool__notice strong,
.encoding-tool__field > label {
  color: var(--text);
  font-weight: 850;
}

.encoding-tool__form {
  display: grid;
  gap: 1.25rem;
}

.encoding-tool__field > label {
  display: block;
  margin-bottom: 0.5rem;
}

.encoding-tool__field select,
.encoding-tool__field textarea,
.encoding-tool__output {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: var(--surface-soft);
  color: var(--text);
}

.encoding-tool__field select {
  min-height: 2.9rem;
}

.encoding-tool__field textarea,
.encoding-tool__output {
  min-height: 10rem;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  line-height: 1.5;
}

.encoding-tool__output {
  display: block;
  background: var(--background);
  resize: vertical;
}

.encoding-tool__hint,
.encoding-tool__copy-status {
  margin: 0.45rem 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.encoding-tool__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.encoding-tool__error {
  margin: 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--warning);
  border-radius: var(--radius-small);
  background: var(--surface-soft);
  color: var(--warning);
  font-weight: 750;
}

.encoding-tool__results {
  display: grid;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.encoding-tool__result-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.encoding-tool__result-heading h2 {
  margin: 0;
}

.encoding-tool__copy {
  min-height: 2.35rem;
  padding: 0.4rem 0.75rem;
}

.encoding-tool__copy-status {
  min-height: 1.5rem;
}

@media screen and (max-width: 48rem) {
  .encoding-tool {
    padding: 1rem;
  }

  .encoding-tool__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .encoding-tool__actions .button {
    width: 100%;
    justify-content: center;
  }

  .encoding-tool__result-heading {
    align-items: start;
  }
}