.sentence-lab {
  --sl-accent: var(--mk-red);
  max-width: 1450px;
  margin: auto;
  color: var(--mk-ink);
}
.sentence-lab * {
  box-sizing: border-box;
}
.sl-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0 28px;
}
.sl-hero h1 {
  font-size: clamp(28px, 3.1vw, 44px);
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 12px 0;
}
.sl-hero p {
  color: var(--mk-muted);
  font-size: 17px;
  margin: 0;
}
.sl-library-link {
  color: var(--mk-red);
  white-space: nowrap;
  text-decoration: none;
  font-weight: 650;
}
.sl-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding: 16px 20px;
  background: var(--mk-surface-alt);
  border-radius: 12px;
  font-size: 14px;
}
.sl-progress b {
  font-size: 20px;
  margin-right: 6px;
}
.sl-progress small {
  margin-left: auto;
  color: var(--mk-muted);
}
.sl-mode-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 22px 0;
}
.sentence-lab button,
.sentence-lab select,
.sentence-lab input,
.sentence-lab textarea {
  font: inherit;
}
.sentence-lab button {
  cursor: pointer;
  min-height: 42px;
  border: 1px solid var(--mk-line);
  border-radius: 9px;
  background: var(--mk-surface);
  color: var(--mk-ink);
  padding: 9px 14px;
  font-weight: 600;
}
.sentence-lab button:hover {
  border-color: var(--mk-red);
}
.sentence-lab button:focus-visible,
.sentence-lab input:focus-visible,
.sentence-lab textarea:focus-visible,
.sentence-lab select:focus-visible,
.sentence-lab summary:focus-visible {
  outline: 3px solid var(--mk-red);
  outline-offset: 3px;
}
.sl-mode-bar button {
  border-color: transparent;
  background: transparent;
}
.sl-mode-bar button[aria-pressed="true"] {
  background: var(--mk-ink);
  color: var(--mk-bg);
}
.sl-mode-bar span {
  margin-right: 5px;
}
.sl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 24px;
  align-items: start;
}
.sl-panel {
  background: var(--mk-surface);
  border: 1px solid var(--mk-line);
  border-radius: 16px;
  padding: 26px;
  min-width: 0;
}
.sl-settings {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  border-bottom: 1px solid var(--mk-line);
  padding-bottom: 18px;
  margin-bottom: 26px;
  font-size: 13px;
  color: var(--mk-muted);
}
.sentence-lab select,
.sentence-lab input[type="search"] {
  padding: 9px;
  border: 1px solid var(--mk-line);
  border-radius: 8px;
  color: var(--mk-ink);
  background: var(--mk-bg);
  max-width: 100%;
}
.sl-settings input {
  accent-color: var(--mk-red);
}
.sl-prompt-count {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mk-red);
  font-weight: 700;
}
.sl-practice h2 {
  font-size: clamp(23px, 2vw, 30px);
  margin: 12px 0;
  line-height: 1.35;
}
.sl-instructions,
.sl-small {
  color: var(--mk-muted);
  font-size: 13px;
  line-height: 1.65;
}
.sl-practice h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 26px 0 12px;
}
.sl-dropzone {
  min-height: 130px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-content: center;
  align-items: center;
  border: 2px dashed var(--mk-line);
  border-radius: 12px;
  background: var(--mk-bg);
  padding: 18px;
}
.sl-dropzone:empty:before {
  content: attr(data-placeholder);
  color: var(--mk-muted);
  font-size: 14px;
}
.sl-dropzone.is-over,
.sl-bank.is-over {
  border-color: var(--mk-red);
  background: var(--mk-surface-alt);
}
.sl-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  min-height: 70px;
  padding: 12px 0;
}
.sl-token {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid;
  border-radius: 8px;
  padding: 7px 10px;
  font-family: var(--mk-font-jp);
  font-weight: 600;
  line-height: 1.5;
}
.sentence-lab button.sl-token {
  min-height: 56px;
  font-size: 18px;
  padding: 9px 13px;
  touch-action: none;
  user-select: none;
  cursor: grab;
}
.sl-token small {
  font-size: 11px;
  font-weight: 400;
}
.sentence-lab .sl-token.sl-noun {
  background: #e8e9f6;
  color: #343972;
  border-color: #c4c6e4;
}
.sentence-lab .sl-token.sl-particle {
  background: #ffe6df;
  color: #8b301e;
  border-color: #eebbb0;
}
.sentence-lab .sl-token.sl-object {
  background: #e1eef8;
  color: #225577;
  border-color: #b6d3e8;
}
.sentence-lab .sl-token.sl-place {
  background: #e0f1e8;
  color: #255f48;
  border-color: #b8d9c8;
}
.sentence-lab .sl-token.sl-time {
  background: #fff0d0;
  color: #6b4c15;
  border-color: #e3cf9c;
}
.sentence-lab .sl-token.sl-adjective {
  background: #f6e3f0;
  color: #71345f;
  border-color: #dfbed2;
}
.sentence-lab .sl-token.sl-ending {
  background: #e5ecef;
  color: #304f5c;
  border-color: #b9cbd1;
}
.sentence-lab .sl-token.sl-pattern {
  background: #ede3fa;
  color: #5e3685;
  border-color: #d0bce8;
}
.sl-token.sl-selected {
  outline: 3px solid var(--mk-red);
  outline-offset: 2px;
}
.sl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.sentence-lab .sl-primary {
  background: var(--mk-red);
  color: var(--mk-surface);
  border-color: var(--mk-red);
}
html[data-theme="night"] .sentence-lab .sl-primary {
  color: #111;
}
.sl-feedback:empty {
  display: none;
}
.sl-feedback {
  margin-top: 20px;
  padding: 18px;
  border-radius: 10px;
  background: var(--mk-surface-alt);
  line-height: 1.65;
}
.sl-feedback[data-state="success"] {
  border-left: 4px solid var(--mk-success);
}
.sl-feedback[data-state="retry"] {
  border-left: 4px solid var(--mk-red);
}
.sl-feedback p {
  margin: 5px 0;
}
.sl-feedback .sl-example {
  font-size: 21px;
  font-family: var(--mk-font-jp);
}
.sl-coach h2 {
  font-size: 21px;
  line-height: 1.4;
  margin: 12px 0;
}
.sl-coach p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mk-muted);
}
.sl-map,
.sl-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 20px 0;
}
.sl-legend .sl-token {
  font-size: 11px;
}
.sl-coach h3 {
  font-size: 15px;
}
.sentence-lab summary {
  cursor: pointer;
  font-weight: 650;
  line-height: 1.5;
}
.sl-particles {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 13px 10px;
  font-size: 13px;
  line-height: 1.6;
}
.sl-particles dt {
  font-size: 18px;
  font-weight: 700;
  color: var(--mk-red);
}
.sl-particles dd {
  margin: 0;
  color: var(--mk-muted);
}
.sl-library {
  margin-top: 24px;
  scroll-margin-top: 90px;
}
.sl-section-head {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}
.sl-section-head h2 {
  font-size: 28px;
  margin: 8px 0;
}
.sl-section-head p {
  font-size: 14px;
  color: var(--mk-muted);
  max-width: 600px;
  line-height: 1.7;
}
.sl-section-head label {
  font-size: 13px;
  min-width: 220px;
}
.sl-section-head input {
  display: block;
  width: 100%;
  margin-top: 8px;
}
.sl-pattern-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.sl-pattern {
  padding: 20px;
  border: 1px solid var(--mk-line);
  border-radius: 12px;
}
.sl-pattern[hidden] {
  display: none;
}
.sl-pattern h3 {
  font-size: 17px;
  margin: 9px 0;
}
.sl-pattern > small {
  font-size: 11px;
  color: var(--mk-red);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.sl-pattern p {
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.sl-formula {
  background: var(--mk-bg);
  padding: 10px;
  border-radius: 8px;
  font-size: 15px;
}
.sl-pattern button {
  font-size: 12px;
}
.sl-course {
  margin: 24px 0;
}
.sl-course ol {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-left: 25px;
}
.sl-course li {
  font-size: 14px;
  padding: 10px;
}
.sl-course p {
  line-height: 1.6;
  color: var(--mk-muted);
}
.sl-compose {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  border: 1px solid var(--mk-line);
  border-radius: 12px;
  padding: 16px;
  background: var(--mk-bg);
  color: var(--mk-ink);
  font-family: var(--mk-font-jp) !important;
  font-size: 23px !important;
  line-height: 1.65;
}
.sl-input-settings {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 15px 0;
  font-size: 13px;
}
.sl-transcript {
  display: grid;
  gap: 10px;
  margin: 20px 0;
}
.sl-bubble {
  padding: 15px;
  border-radius: 12px;
  background: var(--mk-bg);
  border: 1px solid var(--mk-line);
  overflow-wrap: anywhere;
}
.sl-bubble.user {
  margin-left: 15%;
  font-family: var(--mk-font-jp);
  font-size: 20px;
}
.sl-recall-answer {
  padding: 20px;
  background: var(--mk-bg);
  border-radius: 12px;
  margin: 20px 0;
}
.sl-recall-answer p {
  font-size: 24px;
  font-family: var(--mk-font-jp);
}
.sl-gap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  min-height: 56px;
  border: 2px dashed var(--mk-red);
  border-radius: 8px;
  color: var(--mk-red);
}
.sl-drag-ghost {
  position: fixed;
  z-index: 10000;
  pointer-events: none;
  opacity: 0.9;
  box-shadow: var(--mk-shadow);
  transform: translate(-50%, -50%);
}
.sl-drag-source {
  opacity: 0.35;
}
.sl-controls-note {
  font-size: 12px;
  color: var(--mk-muted);
  line-height: 1.6;
}
.sl-saving-warning {
  color: var(--mk-red);
}
@media (min-width: 1500px) {
  .sl-layout {
    grid-template-columns: minmax(0, 1fr) 360px;
  }
}
@media (max-width: 1150px) {
  .sl-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .sl-coach {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 24px;
  }
  .sl-coach details {
    grid-column: 2;
    grid-row: 1 / span 7;
  }
  .sl-pattern-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 600px) {
  .sl-hero {
    align-items: start;
    flex-direction: column;
    gap: 14px;
  }
  .sl-panel {
    padding: 18px;
  }
  .sl-mode-bar {
    gap: 3px;
  }
  .sl-mode-bar button {
    padding: 9px;
    font-size: 12px;
  }
  .sl-mode-bar span {
    display: none;
  }
  .sl-settings {
    gap: 12px;
  }
  .sl-coach {
    display: block;
  }
  .sl-section-head {
    display: block;
  }
  .sl-section-head label {
    display: block;
    margin: 15px 0;
  }
  .sl-pattern-grid,
  .sl-course ol {
    grid-template-columns: 1fr;
  }
  .sl-dropzone {
    padding: 12px;
    min-height: 130px;
  }
  .sentence-lab button.sl-token {
    font-size: 16px;
    padding: 8px 10px;
  }
  .sl-progress {
    gap: 12px;
    font-size: 12px;
  }
  .sl-progress b {
    font-size: 17px;
  }
  .sl-progress small {
    width: 100%;
    margin: 0;
  }
  .sl-actions button {
    font-size: 12px;
    padding: 9px 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .sentence-lab * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* Keep readings above their kanji, including prose and newly rendered feedback. */
.sentence-lab ruby {
  ruby-position: over;
  ruby-align: center;
}
.sentence-lab rt {
  font-size: 0.6em;
  font-weight: 400;
  line-height: 1;
}
.sentence-lab rp {
  display: none;
}
.sentence-lab .sl-pattern p[lang="ja"],
.sentence-lab .sl-formula,
.sentence-lab .sl-bubble,
.sentence-lab .sl-feedback p {
  line-height: 2.2;
}
.sentence-lab .sl-token {
  padding-top: 0.85rem;
}
.sentence-lab.sl-hide-furigana rt {
  display: none;
}