:root {
  color-scheme: light;
  --bg: #f6f2ea;
  --panel: #fffefa;
  --panel-strong: #f8efe2;
  --ink: #1d211f;
  --muted: #6d716f;
  --line: #d7d1c5;
  --grid: #beb5a8;
  --accent: #0f766e;
  --accent-dark: #0b5f59;
  --amber: #c77816;
  --danger: #b13d3d;
  --blue: #285c9f;
  --shadow: 0 10px 30px rgba(34, 29, 20, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  touch-action: manipulation;
}

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(420px, 1fr) minmax(270px, 340px);
  gap: 14px;
  height: 100vh;
  min-height: 100%;
  overflow: hidden;
  padding: 14px;
}

.panel,
.workbench {
  min-width: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.left-panel,
.controls-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
}

.left-panel {
  max-height: calc(100vh - 28px);
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.controls-panel {
  overflow: auto;
  max-height: calc(100vh - 28px);
}

.panel-head,
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.panel-head h1 {
  margin: 2px 0 0;
  font-size: 22px;
  line-height: 1.1;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.count-badge {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 34px;
  height: 28px;
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--accent-dark);
  font-weight: 800;
}

.char-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  flex: 0 0 clamp(180px, 34vh, 420px);
  min-height: 180px;
  max-height: 420px;
  overflow: auto;
  padding-right: 2px;
}

.folder-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  flex: 0 0 auto;
}

.folder-tab {
  min-height: 32px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.folder-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.char-card {
  display: grid;
  grid-template-columns: 32px 1fr;
  grid-template-rows: auto auto auto;
  align-items: center;
  gap: 3px 8px;
  min-height: 70px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  text-align: left;
}

.char-card.is-done {
  background: #f0fbf5;
  border-color: #b8dfc8;
}

.char-card.is-todo {
  background: #fff6f5;
  border-color: #edc5bf;
}

.char-card.is-active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(15, 118, 110, 0.16);
}

.char-card.is-duplicate {
  border-color: #285c9f;
  box-shadow: inset 0 0 0 2px rgba(40, 92, 159, 0.24);
}

.char-card.is-duplicate .char-glyph {
  background: #e8f0ff;
  color: #173f7b;
}

.char-glyph {
  grid-row: 1 / 4;
  display: grid;
  place-items: center;
  width: 32px;
  height: 48px;
  border-radius: 6px;
  background: #f2f1ec;
  font-size: 22px;
  font-weight: 800;
}

.thumb {
  height: 34px;
}

.thumb svg {
  display: block;
  width: 100%;
  height: 34px;
}

.status-pill {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.symbol-width-badge {
  justify-self: start;
  min-height: 20px;
  padding: 2px 7px;
  border: 1px solid #d8d0c3;
  border-radius: 999px;
  background: #f7f4ee;
  color: #4b443b;
  font-size: 11px;
  font-weight: 900;
  line-height: 1.25;
  white-space: nowrap;
}

.symbol-width-badge[data-width="half"] {
  border-color: #b9d7cc;
  background: #edf8f3;
  color: #0d6655;
}

.symbol-width-badge[data-width="full"] {
  border-color: #d9c6ea;
  background: #f6effb;
  color: #6b3d8b;
}

.symbol-width-badge.is-hidden {
  display: none;
}

.status-pill.is-done {
  color: #0f6f42;
  font-weight: 900;
}

.status-pill.is-todo {
  color: #aa3a32;
  font-weight: 900;
}

.section-block {
  display: grid;
  gap: 10px;
  flex: 0 0 auto;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

.section-title {
  font-size: 13px;
  font-weight: 800;
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 126px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}

#previewText {
  min-height: 190px;
}

#charSetInput {
  min-height: 210px;
}

.note-line {
  min-height: 16px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.duplicate-results {
  display: grid;
  gap: 6px;
  max-height: 240px;
  overflow: auto;
}

.duplicate-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 7px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  text-align: left;
}

.duplicate-row-main {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.duplicate-item.is-selected {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(15, 118, 110, 0.13);
}

.duplicate-list-pair {
  overflow: hidden;
  font-size: 14px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.duplicate-pair {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 18px;
  font-weight: 900;
}

.duplicate-previews,
.duplicate-compare-previews {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  min-width: 0;
}

.duplicate-preview-button,
.duplicate-edit-button {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
}

.duplicate-preview-button {
  display: grid;
  gap: 4px;
  justify-items: center;
  min-width: 0;
  width: 100%;
  padding: 6px;
}

.duplicate-preview-button svg {
  display: block;
  width: 44px;
  height: 44px;
}

.duplicate-preview-label {
  font-size: 15px;
  font-weight: 900;
}

.duplicate-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
  order: -1;
}

.duplicate-row-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(34px, auto));
  gap: 4px;
  flex: 0 0 auto;
}

.duplicate-row-actions button {
  min-height: 30px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.duplicate-kind {
  color: var(--muted);
  font-size: 12px;
}

.duplicate-score {
  color: var(--accent-dark);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
}

.duplicate-compare {
  display: none;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
}

.duplicate-compare.has-selection {
  display: grid;
}

.duplicate-compare-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.duplicate-compare-card {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.duplicate-compare-card svg {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
}

.duplicate-edit-button {
  min-height: 34px;
  padding: 0 8px;
  font-weight: 900;
}

.duplicate-nudge-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
}

.duplicate-nudge-grid button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-weight: 900;
}

.workbench {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: calc(100vh - 28px);
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-height: 78px;
  flex: 0 0 auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.current-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.current-char {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  font-size: 30px;
  font-weight: 800;
}

select,
input[type="file"] {
  max-width: 100%;
}

select {
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}

.glyph-select {
  min-width: 84px;
  font-size: 18px;
  font-weight: 800;
}

.status-toggle {
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid #edc5bf;
  border-radius: 7px;
  background: #fff6f5;
  color: #aa3a32;
  font-weight: 900;
}

.status-toggle.is-done {
  border-color: #b8dfc8;
  background: #f0fbf5;
  color: #0f6f42;
}

.toolbar,
.button-row,
.button-grid {
  display: flex;
  gap: 8px;
}

.button-row {
  flex-wrap: wrap;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.primary-button,
.ghost-button,
.danger-button,
.icon-button,
.mode-button {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 7px;
  font-weight: 800;
}

.primary-button {
  background: var(--accent);
  color: #fff;
}

.primary-button:hover {
  background: var(--accent-dark);
}

.ghost-button,
.icon-button,
.mode-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.danger-button {
  background: #fff4f2;
  color: var(--danger);
  border: 1px solid #e5b9b3;
}

.icon-button {
  width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  font-size: 22px;
  line-height: 1;
}

.glyph-nav-button {
  flex: 0 0 38px;
  align-self: stretch;
}

button:disabled {
  cursor: default;
  opacity: 0.45;
}

.full-button {
  width: 100%;
}

.canvas-stage {
  display: grid;
  place-items: center;
  flex: 0 0 calc(100vh - 120px);
  min-height: 760px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  box-shadow: var(--shadow);
  touch-action: pan-y;
}

.sentence-panel {
  display: grid;
  flex: 0 0 auto;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.controls-panel .sentence-panel {
  box-shadow: none;
}

.sentence-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.sentence-head h2 {
  margin: 2px 0 0;
  font-size: 17px;
  line-height: 1.2;
}

.sentence-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  gap: 8px;
  min-width: min(100%, 330px);
}

.preview-spacing-toggle {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-range {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

.mini-range output {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.sentence-preview {
  --preview-size: 56px;
  --preview-em-height: 56px;
  --preview-tracking: 6px;
  --preview-space-half: 28px;
  --preview-space-full: 56px;
  display: grid;
  gap: calc(var(--preview-size) * 0.16);
  min-height: 96px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: auto;
}

.preview-line {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0;
  min-height: var(--preview-em-height);
}

.preview-glyph,
.preview-space,
.preview-missing {
  flex: 0 0 auto;
  width: var(--preview-size);
  height: var(--preview-em-height);
}

.preview-glyph {
  width: calc(var(--preview-size) * var(--advance-ratio, 1));
  min-width: calc(var(--preview-size) * 0.14);
  overflow: visible;
}

.preview-glyph svg {
  display: block;
  width: var(--preview-size);
  height: 100%;
  max-width: none;
  transform: translateX(calc(var(--preview-size) * var(--glyph-shift-ratio, 0)));
}

.preview-space {
  width: var(--preview-space-half);
}

.preview-space.is-wide {
  width: var(--preview-space-full);
}

.preview-missing {
  display: grid;
  place-items: center;
  width: calc(var(--preview-size) * var(--advance-ratio, 1));
  border: 1px dashed #d2c7b8;
  border-radius: 6px;
  color: #9a8e7d;
  background: #fbf8f2;
  font-size: calc(var(--preview-size) * 0.46);
  font-weight: 800;
}

#editorCanvas {
  width: min(100%, calc(100vh - 170px), 920px);
  max-width: 860px;
  min-width: 320px;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  touch-action: pan-y;
}

.check-row,
.field-row,
.file-row,
.range-row {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 13px;
}

.check-row {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.field-row,
.file-row {
  grid-template-columns: 82px minmax(0, 1fr);
  align-items: center;
}

.range-row {
  grid-template-columns: 76px minmax(0, 1fr) 54px;
  align-items: center;
}

.range-row output {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.kanji-grid-presets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.part-library {
  display: grid;
  gap: 10px;
}

.part-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.part-preview {
  width: 58px;
  height: 58px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.part-preview svg {
  display: block;
  width: 100%;
  height: 100%;
}

.part-meta {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.part-meta span {
  color: var(--muted);
  font-size: 12px;
}

.part-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

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

input[type="checkbox"] {
  accent-color: var(--accent);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.mode-button {
  padding: 0 4px;
  font-size: 12px;
}

.mode-button.is-active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.preview-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.compact-file {
  grid-template-columns: 70px minmax(0, 1fr);
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 230px minmax(380px, 1fr);
    height: auto;
    min-height: 100dvh;
    overflow: visible;
  }

  .controls-panel {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    max-height: none;
  }

  .controls-panel .sentence-panel {
    grid-column: 1 / -1;
  }
}

@media (max-height: 700px) and (min-width: 761px) {
  .left-panel {
    gap: 10px;
  }

  .folder-tabs {
    display: flex;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .folder-tab {
    flex: 0 0 auto;
    min-width: 92px;
  }

  .char-list {
    flex-basis: clamp(170px, 36vh, 300px);
    min-height: 170px;
    max-height: 300px;
  }

  #charSetInput {
    min-height: 126px;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
    gap: 10px;
    height: auto;
    min-height: 100%;
    overflow: visible;
    padding: 8px;
  }

  .workbench {
    order: 1;
    gap: 8px;
    overflow: visible;
    padding-right: 0;
  }

  .left-panel {
    order: 2;
    max-height: none;
    overflow: visible;
  }

  .controls-panel {
    order: 3;
    max-height: none;
  }

  .workbench {
    max-height: none;
  }

  .panel,
  .topbar,
  .canvas-stage {
    border-radius: 7px;
  }

  .left-panel,
  .controls-panel {
    padding: 10px;
  }

  .topbar {
    position: sticky;
    top: 8px;
    z-index: 4;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    min-height: 0;
    padding: 10px;
    background: rgba(255, 254, 250, 0.96);
    backdrop-filter: blur(12px);
  }

  .current-line {
    display: grid;
    grid-template-columns: 50px minmax(0, 1fr) 50px;
    gap: 8px;
    align-items: stretch;
  }

  .current-char {
    width: 42px;
    height: 42px;
    font-size: 26px;
  }

  .glyph-select,
  .status-toggle {
    height: 42px;
  }

  .glyph-select {
    grid-column: 2;
    grid-row: 2;
    min-width: 0;
    width: 100%;
  }

  .status-toggle {
    grid-column: 1 / 4;
    grid-row: 3;
    width: 100%;
  }

  .glyph-nav-button,
  .icon-button {
    width: 50px;
    height: 42px;
    min-height: 42px;
  }

  #prevGlyph {
    grid-column: 1;
    grid-row: 2;
  }

  #nextGlyph {
    grid-column: 3;
    grid-row: 2;
  }

  .toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 50px 50px;
    align-items: stretch;
  }

  .toolbar .icon-button {
    width: 100%;
  }

  .primary-button,
  .ghost-button,
  .danger-button,
  .icon-button,
  .mode-button {
    min-height: 42px;
  }

  .canvas-stage {
    padding: 8px;
    flex: 0 0 auto;
    min-height: auto;
  }

  .sentence-panel {
    padding: 10px;
  }

  .sentence-head {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .sentence-controls {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .mini-range {
    min-height: 38px;
    grid-template-columns: 54px minmax(0, 1fr) 34px;
  }

  #editorCanvas {
    width: 100%;
    max-width: min(calc(100vw - 34px), calc(100dvh - 156px));
    min-width: 0;
  }

  .char-list {
    display: flex;
    flex: 0 0 auto;
    min-height: 76px;
    overflow-x: auto;
    padding-bottom: 4px;
    max-height: none;
    scroll-snap-type: x proximity;
  }

  .folder-tabs {
    display: flex;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .folder-tab {
    flex: 0 0 auto;
    min-width: 94px;
  }

  .char-card {
    grid-template-columns: 34px 52px;
    flex: 0 0 112px;
    min-height: 64px;
    scroll-snap-align: start;
  }

  .thumb {
    width: 52px;
  }

  .status-pill {
    grid-column: 1 / -1;
  }

  .char-card .symbol-width-badge {
    grid-column: 1 / -1;
  }

  .section-block {
    padding: 10px;
  }

  #charSetInput {
    min-height: 118px;
    max-height: 180px;
  }

  .controls-panel {
    display: flex;
  }

  .range-row {
    grid-template-columns: 82px minmax(0, 1fr) 54px;
    min-height: 42px;
  }

  .field-row,
  .file-row {
    grid-template-columns: 80px minmax(0, 1fr);
    min-height: 42px;
  }

  .segmented {
    gap: 4px;
  }

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