:root {
  --ink: #0b1c2c;
  --ink-soft: #1a3348;
  --paper: #f3efe6;
  --paper-2: #e8e1d4;
  --rule: #c9bfae;
  --copper: #c45c26;
  --copper-deep: #9a4518;
  --slate: #5a6a78;
  --ok: #2f6b4f;
  --danger: #9b2c2c;
  --shadow: 0 12px 28px rgba(11, 28, 44, 0.1);
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --rail-w: 320px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, #d9cbb3 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #cfd8e0 0%, transparent 50%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* Keep [hidden] working even when classes set display */
[hidden] {
  display: none !important;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

.top, .layout { position: relative; z-index: 1; }

.top {
  display: grid;
  gap: 0.6rem;
  padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 0.75rem;
  max-width: 1440px;
  margin: 0 auto;
}

.brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

.mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.65rem;
  background: linear-gradient(145deg, var(--copper) 0%, var(--copper-deep) 55%, var(--ink) 56%);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.15);
  flex-shrink: 0;
}

.eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.top h1 {
  margin: 0.1rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0;
  max-width: 40rem;
  color: var(--ink-soft);
  line-height: 1.5;
  font-size: 0.95rem;
}

.layout {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  gap: 1.1rem;
  padding: 0.75rem clamp(1rem, 3vw, 2.5rem) 2rem;
  max-width: 1440px;
  margin: 0 auto;
  align-items: start;
}

.panel {
  background: rgba(255, 252, 246, 0.92);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.05rem 1.1rem 1.15rem;
  min-width: 0;
}

.rail {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: sticky;
  top: 0.75rem;
  align-self: start;
}

.workspace {
  min-width: 0;
  position: sticky;
  top: 0.75rem;
  max-height: calc(100vh - 8rem);
  display: flex;
  flex-direction: column;
}

.align-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.45rem;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}

.align-stat {
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  background: #f0f5f1;
  border: 1px solid #c5d6c9;
  display: grid;
  gap: 0.1rem;
}

.align-stat.warn {
  background: #faf3ea;
  border-color: #e0c4a8;
}

.align-stat.muted {
  background: #f4f1ea;
  border-color: var(--rule);
}

.align-stat-val {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

.align-stat.warn .align-stat-val { color: var(--copper-deep); }

.align-stat-lbl {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.seg-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.55rem;
  padding: 0.45rem 0.55rem;
  flex-shrink: 0;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: #f7f3ea;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.chip {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  border-radius: 6px;
  padding: 0.28rem 0.55rem;
  font: 500 0.72rem var(--font-body);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.chip:hover { background: rgba(255, 255, 255, 0.7); color: var(--ink); }
.chip.active {
  background: var(--ink);
  color: #f7f1e6;
}

.seg-search {
  flex: 1;
  min-width: 9rem;
  margin: 0;
}

.seg-search input {
  padding: 0.35rem 0.55rem;
  font-size: 0.8rem;
  border-radius: 6px;
  background: #fffdf8;
}

.seg-count {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--slate);
  white-space: nowrap;
  padding-inline-end: 0.15rem;
}

.seg-legend {
  display: none;
  grid-template-columns: 2.75rem minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.35rem 0.85rem;
  margin: 0 0 -1px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  background: #f0ebe0;
  border: 1px solid var(--rule);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}

@media (min-width: 721px) {
  .seg-legend:not([hidden]) {
    display: grid;
  }
}

.seg-legend-idx { text-align: center; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.seg.flash {
  box-shadow: 0 0 0 2px var(--copper);
  animation: flash-pulse 1.2s ease;
}

@keyframes flash-pulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--copper); }
  40% { box-shadow: 0 0 0 2px transparent; }
  70% { box-shadow: 0 0 0 2px var(--copper); }
}

.seg[hidden] { display: none !important; }

.lang-panel {
  padding-top: 0.85rem;
}

.lang-panel > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 0;
}

.lang-panel > summary::-webkit-details-marker { display: none; }

.lang-panel > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--slate);
}

.lang-panel[open] > summary {
  margin-bottom: 0.75rem;
}

.lang-panel[open] > summary::after { content: "–"; }

.summary-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  margin-inline-end: auto;
  margin-inline-start: 0.5rem;
}

h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
}

.drop {
  display: grid;
  gap: 0.3rem;
  place-items: center;
  padding: 1.15rem 0.85rem;
  border: 1.5px dashed #a89880;
  border-radius: 12px;
  background: linear-gradient(180deg, #faf6ee, #efe7d8);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}

.drop:hover,
.drop.drag {
  border-color: var(--copper);
  transform: translateY(-1px);
}

.drop input { display: none; }
.drop-title { font-weight: 600; font-size: 0.92rem; }
.drop-hint,
.drop-file {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--slate);
}
.drop-file { color: var(--copper-deep); word-break: break-all; }

.lang-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin: 0.75rem 0;
}

label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate);
}

input[type="text"],
input[type="number"],
textarea {
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  background: #fffdf8;
  width: 100%;
}

textarea {
  min-height: 4.25rem;
  resize: vertical;
  line-height: 1.45;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  font: 600 0.88rem var(--font-body);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn.primary {
  width: 100%;
  background: var(--ink);
  color: #f7f1e6;
}
.actions .btn.primary { width: auto; }
.btn.primary:hover { background: var(--ink-soft); }
.btn.primary:disabled { opacity: 0.55; cursor: wait; }

.btn.ghost {
  background: transparent;
  border-color: var(--rule);
  color: var(--ink);
}
.btn.ghost:hover { border-color: var(--copper); color: var(--copper-deep); }

.btn.danger {
  background: transparent;
  border-color: #e0b4b4;
  color: var(--danger);
}

.panel-hint {
  margin: -0.25rem 0 0.7rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--slate);
}

.check-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  align-self: end;
  padding-bottom: 0.35rem;
}

.check-label input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--copper);
  margin: 0;
}

.status {
  min-height: 1.1rem;
  margin: 0.65rem 0 0;
  font-size: 0.82rem;
  color: var(--slate);
}
.status.error { color: var(--danger); }
.status.ok { color: var(--ok); }

.align-count-warn {
  margin: 0.55rem 0 0;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid #e0c4a8;
  background: #faf3ea;
  color: var(--copper-deep);
  font-size: 0.8rem;
  line-height: 1.4;
}

.align-count-warn p {
  margin: 0;
}

.align-count-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.55rem;
}

.align-count-actions .btn {
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
}

.doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  max-height: 220px;
  overflow: auto;
}

.doc-list li button {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: #f7f2e8;
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.doc-list li button:hover,
.doc-list li button.active {
  border-color: var(--copper);
  background: #fff;
}

.doc-list .name {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  word-break: break-word;
}
.doc-list .meta {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--slate);
}

.workspace-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.65rem;
  align-items: end;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}

.workspace-head h2 {
  margin: 0.1rem 0 0;
  font-size: 1.25rem;
  word-break: break-word;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.progress {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--slate);
  flex-shrink: 0;
}

.progress-bar {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--paper-2);
  overflow: hidden;
  position: relative;
}

.progress-bar::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--copper), var(--ink));
}

.suggestions {
  flex-shrink: 0;
  margin-bottom: 0.85rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid #e0c4a8;
  border-radius: 12px;
  background:
    linear-gradient(180deg, #fff9f1 0%, #faf6ef 100%);
  max-height: min(340px, 42vh);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.suggestions-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: end;
}

.suggestions-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.suggestions-head .panel-hint {
  margin: 0.15rem 0 0;
}

.suggestions-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.suggestions-actions .btn {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
}

.suggestions-actions .btn.primary {
  width: auto;
}

.sug-cols {
  display: none;
}

@media (min-width: 900px) {
  .sug-cols {
    display: grid;
    grid-template-columns: auto 2.4rem minmax(0, 1fr) minmax(0, 1.15fr) 3.4rem 3.6rem;
    gap: 0.45rem;
    padding: 0 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--slate);
  }
}

.suggestions-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: auto;
  display: grid;
  gap: 0.45rem;
}

.suggestions-list li {
  display: grid;
  grid-template-columns: auto 2.4rem minmax(0, 1fr) minmax(0, 1.15fr) 3.4rem auto;
  gap: 0.45rem;
  align-items: start;
  padding: 0.55rem 0.55rem;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--rule);
  font-size: 0.78rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.suggestions-list li:hover {
  border-color: #d4b896;
}

.suggestions-list li.is-dup {
  border-inline-start: 3px solid var(--copper);
}

.suggestions-list .sug-check {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--copper);
  margin-top: 0.35rem;
}

.suggestions-list .sug-pos {
  appearance: none;
  border: 0;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--slate);
  padding: 0.35rem 0 0;
  cursor: pointer;
  text-align: left;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.15s, color 0.15s;
}

.suggestions-list .sug-pos:hover {
  text-decoration-color: var(--copper);
  color: var(--copper-deep);
}

.suggestions-list .sug-src {
  word-break: break-word;
  line-height: 1.4;
  max-height: 4.8em;
  overflow: auto;
  padding: 0.25rem 0;
  cursor: pointer;
}

.suggestions-list .sug-edit {
  width: 100%;
  min-height: 2.8rem;
  resize: vertical;
  font: inherit;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.4rem 0.5rem;
}

.suggestions-list .sug-edit:focus {
  outline: 2px solid color-mix(in srgb, var(--copper) 45%, transparent);
  border-color: var(--copper);
}

.suggestions-list .sug-score-wrap {
  display: grid;
  gap: 0.2rem;
  justify-items: end;
  padding-top: 0.2rem;
}

.suggestions-list .sug-score {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--slate);
}

.suggestions-list .sug-meter {
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: var(--paper-2);
  overflow: hidden;
}

.suggestions-list .sug-meter > i {
  display: block;
  height: 100%;
  background: var(--copper);
}

.suggestions-list .sug-meter.hi > i { background: var(--ok); }
.suggestions-list .sug-meter.mid > i { background: var(--copper); }
.suggestions-list .sug-meter.lo > i { background: var(--slate); }

.suggestions-list .sug-same-one {
  padding: 0.25rem 0.5rem;
  font-size: 0.68rem;
  white-space: nowrap;
  margin-top: 0.15rem;
}

.suggestions-list .sug-same-spacer {
  width: 0;
}

.segments {
  display: grid;
  gap: 0;
  overflow: auto;
  flex: 1;
  min-height: 200px;
  padding: 0;
  scroll-behavior: smooth;
  border: 1px solid var(--rule);
  border-radius: 0 0 12px 12px;
  background: #fffcf7;
}

.seg-legend[hidden] + .segments {
  border-radius: 12px;
}

.segments.empty {
  place-items: center;
  text-align: center;
  color: var(--slate);
  border-style: dashed;
  border-radius: 12px;
  background: rgba(255, 252, 246, 0.5);
  min-height: 12rem;
}

.empty-msg { margin: 0; max-width: 22rem; line-height: 1.5; }

.seg {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding: 0.7rem 0.85rem;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  animation: rise 0.28s ease both;
  min-width: 0;
  transition: background 0.15s;
}

.seg:hover {
  background: #faf6ee;
}

.seg:last-child {
  border-bottom: 0;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.seg-pos {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--slate);
  text-align: center;
  line-height: 1;
  padding-top: 1.55rem;
}

.seg-meta {
  min-height: 1.15rem;
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
}

.seg-status {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  line-height: 1.35;
  white-space: nowrap;
}

.seg-score {
  font-style: normal;
  letter-spacing: 0;
  text-transform: none;
  opacity: 0.9;
}

.seg-status.ok {
  background: #e4efe8;
  color: var(--ok);
}

.seg-status.review {
  background: #f3e6d8;
  color: var(--copper-deep);
}

.seg-status.empty {
  background: #eeeae2;
  color: var(--slate);
}

.seg-status.filled {
  background: #e8eef3;
  color: var(--ink-soft);
}

.seg-col { min-width: 0; }

.seg-source {
  margin: 0;
  padding: 0.5rem 0.6rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.88rem;
  color: var(--ink-soft);
  background: #f3efe6;
  border-radius: 8px;
  border: 1px solid #e4dccb;
  min-height: 2.75rem;
}

.seg-target textarea {
  min-height: 2.75rem;
  resize: vertical;
  line-height: 1.45;
  font-size: 0.88rem;
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  border-color: #d4cbb8;
  background: #fffdf8;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.seg-target textarea:focus {
  outline: none;
  border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(196, 92, 38, 0.12);
}

.seg-target textarea::placeholder {
  color: #a39888;
}

.seg-save {
  margin-top: 0.25rem;
  min-height: 0.9rem;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--slate);
}

.seg.dirty textarea {
  border-color: var(--copper);
}

.seg.saved textarea {
  border-color: #8fb39d;
}

.seg.matched .seg-source {
  border-color: #c5d6c9;
}

.seg.matched {
  box-shadow: inset 3px 0 0 var(--ok);
}

.seg.unmatched-align {
  box-shadow: inset 3px 0 0 var(--copper);
}

.seg.unmatched-align .seg-source {
  border-color: #e0c4a8;
}

.seg.empty-target .seg-target textarea {
  background: #fffaf3;
}

.score-chip,
.score-chip-review {
  display: none;
}

.lang-panel textarea {
  margin-bottom: 0.65rem;
  min-height: 5.5rem;
}

.lang-result {
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--rule);
}

.lang-top {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.lang-top #lang-conf {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--slate);
}

.lang-scores {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

.lang-scores li {
  display: grid;
  grid-template-columns: 4.5rem 1fr 2.75rem;
  gap: 0.4rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.lang-scores .bar {
  height: 6px;
  border-radius: 999px;
  background: var(--paper-2);
  overflow: hidden;
}

.lang-scores .bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--copper), var(--ink));
}

.lang-mixed-tag {
  display: inline-block;
  margin: 0 0 0.55rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #efe0d0;
  color: var(--copper-deep);
}

.lang-parts {
  list-style: none;
  margin: 0.65rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  max-height: 180px;
  overflow: auto;
}

.lang-parts li {
  display: grid;
  grid-template-columns: 4.2rem 1fr 2.4rem;
  gap: 0.4rem;
  align-items: start;
  padding: 0.4rem 0.45rem;
  border-radius: 8px;
  background: #f7f2e8;
  font-size: 0.75rem;
}

.lang-parts .part-lang {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--copper-deep);
}

.lang-parts .part-text {
  word-break: break-word;
  line-height: 1.35;
  color: var(--ink-soft);
}

.lang-parts .part-conf {
  font-family: var(--font-mono);
  color: var(--slate);
  text-align: right;
}

@media (max-width: 720px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .rail,
  .workspace {
    position: static;
    max-height: none;
  }
  .rail {
    display: contents;
  }
  .upload-panel { order: 1; }
  .align-panel { order: 2; }
  .workspace { order: 3; }
  .lang-panel { order: 4; }
  .docs-panel { order: 5; }
  .layout {
    display: flex;
    flex-direction: column;
  }
  .align-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .segments {
    border: 0;
    background: transparent;
    gap: 0.45rem;
    border-radius: 0;
  }
  .seg-legend {
    display: none !important;
  }
  .seg {
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: 0.45rem 0.55rem;
    padding: 0.65rem 0.6rem;
    border: 1px solid var(--rule);
    border-radius: 10px;
    background: #fffcf7;
  }
  .seg:last-child {
    border-bottom: 1px solid var(--rule);
  }
  .seg-pos {
    grid-row: 1 / span 2;
    padding-top: 0.35rem;
  }
  .seg-source-col { grid-column: 2; }
  .seg-target { grid-column: 2; }
  .seg-meta { min-height: 0; }
  .suggestions-list li {
    grid-template-columns: auto 1fr auto;
    grid-template-areas:
      "check src same"
      "check edit edit"
      "check score score";
  }
  .suggestions-list .sug-check { grid-area: check; }
  .suggestions-list .sug-pos { display: none; }
  .suggestions-list .sug-src { grid-area: src; }
  .suggestions-list .sug-edit { grid-area: edit; }
  .suggestions-list .sug-score-wrap { grid-area: score; justify-items: start; }
  .suggestions-list .sug-same-one { grid-area: same; }
}

@media (prefers-reduced-motion: reduce) {
  .seg { animation: none; }
  .seg.flash { animation: none; }
  .drop, .btn, .chip { transition: none; }
}