.sorting-lab .sort-section {
  padding-block: clamp(2.5rem, 6vw, 5.5rem);
}

.sorting-lab .sort-card {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.sort-kicker {
  margin: 0 0 1rem;
  color: var(--orange-dark);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sorting-lab .sort-title {
  max-width: 10ch;
  margin: 0;
  color: var(--ink);
  font-size: clamp(3.6rem, 8vw, 7.75rem);
  font-weight: 790;
  letter-spacing: -0.075em;
  line-height: 0.83;
}

.sorting-lab .sort-title span {
  color: var(--cobalt);
}

.sorting-lab .sort-lead {
  max-width: 52ch;
  margin: 1.5rem 0 clamp(2.5rem, 5vw, 4.5rem);
  color: var(--muted);
  font-size: 1.1rem;
}

.sorting-lab .grid-two {
  display: grid;
  grid-template-columns: minmax(17rem, 0.8fr) minmax(0, 1.65fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.sorting-lab .controls {
  display: grid;
  gap: 0;
  border-block-start: 1px solid var(--rule);
}

.sorting-lab .control-row {
  display: grid;
  gap: 0.75rem;
  padding-block: 1.15rem;
  border-block-end: 1px solid var(--rule);
}

.sorting-lab .control-row label,
.sorting-lab .control-label {
  margin: 0;
  color: var(--ink);
  font-weight: 680;
}

.sorting-lab .control-row small {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  line-height: 1.5;
}

.sorting-lab .input-inline,
.sorting-lab .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sorting-lab .input-inline input[type="text"] {
  flex: 1 1 12rem;
  min-width: 0;
  min-height: 2.75rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--control-border);
  border-radius: 2px;
  background: var(--surface);
  color: var(--ink);
}

.sorting-lab .input-inline input[type="text"]:focus {
  border-color: var(--cobalt);
}

.sorting-lab .btn.danger {
  border-color: var(--danger);
  color: var(--danger);
}

.sorting-lab .btn.danger:hover {
  background: #fff0ec;
}

.sorting-lab .btn.play {
  border-color: var(--ink);
}

.sorting-lab .speed-wrap {
  display: grid;
  gap: 0.5rem;
}

.sorting-lab .speed-wrap input[type="range"] {
  width: 100%;
  height: 0.45rem;
  border: 1px solid var(--control-border);
  border-radius: 0;
  background: var(--pale-blue);
  box-shadow: none;
}

.sorting-lab .speed-wrap input[type="range"]::-webkit-slider-thumb {
  width: 1.3rem;
  height: 1.3rem;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--cobalt);
  box-shadow: 0 0 0 1px var(--cobalt);
}

.sorting-lab .speed-wrap input[type="range"]::-moz-range-thumb {
  width: 1.15rem;
  height: 1.15rem;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--cobalt);
  box-shadow: 0 0 0 1px var(--cobalt);
}

.sorting-lab .speed-wrap input[type="range"]::-moz-range-track {
  height: 0.45rem;
  border: 1px solid var(--control-border);
  border-radius: 0;
  background: var(--pale-blue);
}

.sorting-lab .speed-meta {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.62rem;
  text-transform: uppercase;
}

.sorting-lab .sort-visualizer {
  position: relative;
  min-width: 0;
  padding: clamp(1rem, 2.5vw, 2rem);
  border: 1px solid var(--ink);
  background: var(--surface);
  box-shadow: 0.65rem 0.65rem 0 var(--ink);
}

.sorting-lab .sort-visualizer::before,
.sorting-lab .sort-visualizer::after {
  content: "";
  position: absolute;
  z-index: 2;
  background: var(--orange);
}

.sorting-lab .sort-visualizer::before {
  inset: -0.7rem 0 auto auto;
  width: 1.4rem;
  height: 1px;
}

.sorting-lab .sort-visualizer::after {
  inset: -1.4rem 0 auto auto;
  width: 1px;
  height: 1.4rem;
}

.sorting-lab .viz-area {
  min-height: 23rem;
  padding: 1.25rem 1rem 2.75rem;
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--canvas);
}

.sorting-lab .bars {
  min-width: 28rem;
  height: 18rem;
  gap: clamp(0.35rem, 1vw, 0.75rem);
}

.sorting-lab .bar {
  min-width: 1rem;
  border: 1px solid var(--cobalt-pressed);
  border-radius: 0;
  background: var(--cobalt);
  box-shadow: none;
  transition: height 260ms ease, transform 200ms ease, background-color 160ms ease;
}

.sorting-lab .bar span {
  inset: auto auto -1.8rem;
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
}

.sorting-lab .bar.is-compare {
  background: var(--orange);
  transform: translateY(-0.4rem);
}

.sorting-lab .bar.is-swap {
  background: var(--success);
  transform: translateY(-0.55rem);
}

.sorting-lab .bar.is-sorted {
  background: var(--ink);
}

.sorting-lab .status-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 1rem 0 0;
  padding: 0.8rem 0;
  border: 0;
  border-block: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
}

.sorting-lab .status-line strong {
  color: var(--ink);
}

.sorting-lab .empty-state {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
}

.sorting-lab .modal-backdrop {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: transparent;
  backdrop-filter: none;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  border: 0;
}

.sorting-lab .modal-backdrop:not([open]) {
  display: none;
}

.sorting-lab .modal-backdrop[open] {
  display: flex;
}

.sorting-lab .modal-backdrop::backdrop {
  background: rgba(19, 22, 25, 0.72);
}

.sorting-lab .modal {
  display: grid;
  gap: 1rem;
  width: min(27rem, 100%);
  max-height: calc(100vh - 2rem);
  padding: 1.25rem;
  overflow: auto;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--surface);
  box-shadow: 0.55rem 0.55rem 0 var(--orange);
}

.sorting-lab .modal h2,
.sorting-lab .modal p {
  margin: 0;
}

.sorting-lab .modal p,
.sorting-lab .edit-empty {
  color: var(--muted);
}

.sorting-lab .edit-list {
  display: grid;
  gap: 0;
  max-height: 15rem;
  overflow: auto;
  border-block-start: 1px solid var(--rule);
}

.sorting-lab .edit-item {
  min-height: 2.75rem;
  padding: 0.65rem;
  border: 0;
  border-block-end: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  text-align: start;
}

.sorting-lab .edit-item:hover {
  border-color: var(--rule);
  background: var(--pale-blue);
  transform: none;
}

.sorting-lab .modal-actions {
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 820px) {
  .sorting-lab .grid-two {
    grid-template-columns: 1fr;
  }

  .sorting-lab .controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .sorting-lab .control-row {
    padding: 1rem;
    border-inline: 1px solid var(--rule);
  }

  .sorting-lab .control-row:nth-child(even) {
    border-inline-start: 0;
  }
}

@media (max-width: 560px) {
  .sorting-lab .sort-title {
    font-size: clamp(3.1rem, 16vw, 5rem);
  }

  .sorting-lab .controls {
    grid-template-columns: 1fr;
  }

  .sorting-lab .control-row:nth-child(even) {
    border-inline-start: 1px solid var(--rule);
  }

  .sorting-lab .sort-visualizer {
    padding: 0.8rem;
    box-shadow: 0.4rem 0.4rem 0 var(--ink);
  }

  .sorting-lab .status-line {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sorting-lab .bar {
    transition: none;
  }
}