.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card h2 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 12px;
}

.stack > .card + .card {
  margin-top: 14px;
}

.field {
  margin-bottom: 12px;
}

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

.field label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.field label output {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

select,
button {
  font: inherit;
}

select {
  width: 100%;
  padding: 7px 10px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
}

.seg {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px;
  background: var(--surface-2);
  padding: 4px;
  border-radius: 8px;
}

.seg button {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  padding: 7px 4px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

.seg button[aria-pressed="true"] {
  background: var(--header-border);
  color: #fff;
}

.seg button:focus-visible,
button:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
}

.btn.primary {
  background: var(--header-border);
  border-color: var(--header-border);
  color: #fff;
}

.btn.muted {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.row {
  display: flex;
  gap: 8px;
}

.row .btn {
  flex: 1;
}

.status {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 10px;
  min-height: 1.4em;
}

.status.err {
  color: var(--danger);
}

.hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
}

.hidden {
  display: none !important;
}

.meter {
  height: 8px;
  background: var(--surface-2);
  border-radius: 4px;
  overflow: hidden;
}

.meter div {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.05s linear;
}

.meter div.clip {
  background: var(--danger);
}