:root {
  --tap-gap: 0.5rem;
  --tap-gap-major: 1rem;
  --paper: #f2f0e8;
  --surface: #fffdf7;
  --ink: #15201c;
  --muted: #52615a;
  --line: #87948e;
  --line-soft: #c8cfca;
  --accent: #0b664c;
  --accent-dark: #074b38;
  --accent-soft: #dcece5;
  --warning: #7a382e;
  --warning-soft: #f4e5e1;
  --focus: #b55c00;
  --candidate-size: clamp(2rem, 7vw, 4.8rem);
  --radius: 1.25rem;
  font-family: "BIZ UDPGothic", "Yu Gothic UI", "Yu Gothic", "Hiragino Sans", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

button, input { font: inherit; }
button { touch-action: manipulation; }
button:not(:disabled) { cursor: pointer; }
button:disabled { cursor: not-allowed; }

button:focus-visible,
input:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 3px;
}

.app-shell {
  height: 100svh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

.app-header {
  min-height: 4.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem max(1rem, env(safe-area-inset-right)) 0.7rem max(1rem, env(safe-area-inset-left));
  border-bottom: 2px solid var(--ink);
  background: var(--surface);
}

.brand-block { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.brand-mark {
  width: 2.8rem;
  height: 2.8rem;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 0.8rem;
  background: var(--accent);
  color: white;
  font-size: 1.45rem;
  font-weight: 900;
}
.brand-block h1 { margin: 0; font-size: clamp(1.2rem, 4vw, 1.7rem); letter-spacing: -0.035em; }
.brand-block p { margin: 0.12rem 0 0; color: var(--muted); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; }

.header-action {
  min-height: 3rem;
  padding: 0.55rem 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 2px solid var(--line);
  border-radius: 0.8rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
}

.header-action span { color: var(--accent); font-size: 1.1rem; }
.header-action:disabled { opacity: 0.55; }
.header-actions { display: flex; align-items: center; gap: 0.45rem; }
.audience-action { flex-direction: column; justify-content: center; gap: 0; min-width: 4.4rem; line-height: 1.1; }
.audience-action .audience-caption { color: var(--muted); font-size: 0.7rem; font-weight: 800; }
.audience-action strong { font-size: 1.05rem; }

.demo-strip {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  padding: 0.15rem 1rem;
  background: var(--accent-soft);
  border-bottom: 1px solid #87a99a;
  color: var(--accent-dark);
  font-size: 0.82rem;
}

.demo-strip strong { letter-spacing: 0.08em; }
.demo-strip button {
  min-height: 2.75rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent-dark);
  font-weight: 900;
}

.demo-strip button:disabled { opacity: 0.55; }
.startup-status {
  flex: 1 0 100%;
  margin: 0;
  padding: 0.45rem 0.7rem;
  border: 2px solid var(--warning);
  border-radius: 0.65rem;
  background: var(--warning-soft);
  color: var(--warning);
  font-weight: 900;
  line-height: 1.45;
  text-align: center;
}

.workspace {
  width: min(1120px, 100%);
  min-height: 0;
  margin: 0 auto;
  padding: 0.8rem clamp(0.7rem, 2.5vw, 1.4rem) 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.answer-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
}

.answer-button {
  min-width: 0;
  min-height: 3.1rem;
  padding: 0.3rem 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: 2px solid var(--ink);
  border-radius: 0.8rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 900;
}
.answer-yes { border-color: var(--accent); color: var(--accent-dark); }
.answer-no { border-color: var(--warning); color: var(--warning); }
.answer-glyph { font-size: 1rem; }
.answer-glyph.pictogram { font-family: "Noto Color Emoji", "Apple Color Emoji", "Segoe UI Emoji", sans-serif; font-size: 1.25rem; }
.answer-label { font-size: 1.15rem; line-height: 1.1; }
.answer-button .candidate-text { justify-items: start; }
.answer-button .candidate-english { font-size: 0.78rem; }
.answer-button:disabled { opacity: 0.5; }

.bottom-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--tap-gap-major);
  align-items: stretch;
  padding-top: 0.4rem;
  border-top: 2px solid var(--line-soft);
}
.bottom-pause { min-width: 4.6rem; }
.bottom-pause[hidden] { display: none; }

.bottom-bar[data-hand="left"] { grid-template-columns: auto minmax(0, 1fr); }
.tool-tabs {
  display: flex;
  gap: var(--tap-gap);
}
.tool-tabs > .tool-tab { flex: 1 1 0; }
.tool-tab[hidden] { display: none; }

.tool-tab {
  min-width: 0;
  min-height: 3.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.05rem;
  border: 0;
  border-radius: 0.75rem;
  background: transparent;
  color: var(--muted);
  font-weight: 900;
}
.tool-tab span { font-size: 1.05rem; line-height: 1; }
.tool-tab[aria-selected="true"] { background: var(--ink); color: white; }
.tool-tab:disabled:not([aria-selected="true"]) { opacity: 0.45; }

.tool-panel {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 0.6rem;
}
.tool-panel[hidden] { display: none; }

.talk-panel {
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  align-content: stretch;
}

.board-hint { margin: 0; color: var(--muted); font-size: 0.9rem; font-weight: 700; }
.board-status { margin: 0; min-height: 1.2rem; color: var(--warning); font-weight: 800; }
.board-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--tap-gap); }
.board-actions > [hidden] { display: none; }
.board-action {
  min-width: 0;
  min-height: 3.2rem;
  padding: 0.3rem 0.5rem;
  border: 2px solid var(--line);
  border-radius: 0.8rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 900;
}
.board-action.primary { border-color: var(--accent); background: var(--accent); color: white; }
.board-action:disabled { opacity: 0.45; }

.writing-input {
  width: 100%;
  min-height: 4.4rem;
  padding: 0.6rem 0.7rem;
  border: 2px solid var(--line);
  border-radius: 0.8rem;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 1.35rem;
  resize: vertical;
}
.partner-source {
  margin: 0;
  padding: 0.25rem 0.6rem;
  border-radius: 0.5rem;
  background: var(--paper);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 900;
}
.writing-display {
  min-height: 4rem;
  margin: 0;
  padding: 0.5rem 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: var(--tap-gap);
  border: 2px dashed var(--line);
  border-radius: 0.8rem;
  background: #faf8f1;
  overflow-wrap: anywhere;
}
.writing-display[hidden],
.writing-choices[hidden],
.writing-input[hidden],
.board-hint[hidden] { display: none; }
.writing-display.empty { color: var(--muted); font-size: 1rem; font-weight: 700; }
.writing-empty, .writing-whole { margin: 0; }
.writing-whole { font-size: clamp(1.6rem, 7vw, 2.6rem); font-weight: 900; line-height: 1.25; }
.writing-note { flex-basis: 100%; color: var(--warning); font-weight: 800; }
.word-chip {
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.2rem 0.7rem;
  border: 2px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
  color: var(--ink);
  font-size: clamp(1.5rem, 7vw, 2.4rem);
  font-weight: 900;
  line-height: 1.15;
}
.word-chip[aria-pressed="true"],
.choice-card[aria-pressed="true"] { border-color: var(--focus); border-width: 5px; background: #fff4e6; }
.writing-choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(var(--candidate-row-count, 2), minmax(5.5rem, auto));
  gap: var(--tap-gap);
}
.choice-card {
  min-width: 0;
  min-height: 5.5rem;
  padding: 0.4rem;
  border: 3px dashed var(--line);
  border-radius: var(--radius);
  background: #faf8f1;
  color: var(--ink);
  font-size: clamp(1.3rem, 6vw, 2.1rem);
  font-weight: 900;
  line-height: 1.2;
  overflow-wrap: anywhere;
}
.choice-card.choice-none { border-style: solid; border-color: var(--warning); color: var(--warning); background: var(--warning-soft); }
dialog.writing-overlay {
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: max(1rem, env(safe-area-inset-top)) 1rem max(1rem, env(safe-area-inset-bottom));
  border: 0;
  background: var(--surface);
}
dialog.writing-overlay[open] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 1rem;
}
.writing-overlay-text {
  min-height: 0;
  margin: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  font-size: clamp(2.6rem, 14vw, 6.5rem);
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  overflow-wrap: anywhere;
}
.overlay-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.6rem; }
.overlay-pause { border-color: var(--warning); color: var(--warning); }

.keyword-selection { min-height: 2.4rem; margin: 0; font-size: clamp(1.4rem, 6vw, 2.2rem); font-weight: 900; line-height: 1.2; }
.keyword-selection.empty { color: var(--muted); font-size: 1rem; font-weight: 700; }
.keyword-preview { min-height: 1.3rem; margin: 0; color: var(--accent-dark); font-weight: 800; }
.keyword-preview.invalid { color: var(--warning); }
.keyword-slots { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.3rem; }
.keyword-slot {
  min-width: 0;
  min-height: 2.75rem;
  padding: 0.2rem;
  border: 2px solid var(--line);
  border-radius: 0.6rem;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 900;
}
.keyword-slot[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: white; }
.keyword-items { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.4rem; }
.keyword-item {
  min-width: 0;
  min-height: 3.1rem;
  padding: 0.2rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 0.7rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 900;
}
.keyword-label { font-size: 1.25rem; line-height: 1.1; }
.keyword-item .candidate-english { font-size: 0.72rem; }
.keyword-item[aria-pressed="true"] { border-color: var(--accent); background: var(--accent); color: white; }
.keyword-item[aria-pressed="true"] .candidate-english { color: white; }
.keyword-item:disabled { opacity: 0.32; }

.history-list { margin: 0; padding: 0; display: grid; gap: 0.4rem; list-style: none; }
.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--line-soft);
  border-radius: 0.7rem;
  background: var(--surface);
}
.history-body { min-width: 0; display: grid; gap: 0.15rem; }
.history-text { min-width: 0; font-size: 1.1rem; font-weight: 800; overflow-wrap: anywhere; }
.history-meta { color: var(--muted); font-size: 0.82rem; font-weight: 800; }
.history-badge { justify-self: start; padding: 0 0.4rem; border: 1px solid var(--warning); border-radius: 0.4rem; color: var(--warning); font-size: 0.78rem; font-weight: 900; }
.history-item.retracted .history-text { text-decoration: line-through; color: var(--muted); }
.history-clear { display: flex; flex-wrap: wrap; gap: var(--tap-gap); }
.history-clear-open[hidden] { display: none; }
.history-clear-confirm { display: flex; flex-wrap: wrap; align-items: center; gap: var(--tap-gap); }
.history-clear-confirm[hidden] { display: none; }
.history-clear-confirm span { flex-basis: 100%; font-weight: 800; color: var(--warning); }
.history-clear-confirm .board-action { flex: 1 1 6rem; }
.history-replay { flex: 0 0 auto; min-height: 2.9rem; padding-inline: 0.8rem; }
.history-empty { color: var(--muted); font-weight: 700; }

.page-indicator {
  padding: 0.1rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 900;
}
.orientation-side { display: flex; flex-direction: column; align-items: flex-end; gap: 0.2rem; min-width: 0; }

.workspace[inert] { opacity: 0.42; pointer-events: none; }
.workspace { overflow: hidden; }
.expression-area > .output-panel,
.expression-area > .pause-panel,
.tool-panel:not(.talk-panel) { min-height: 0; overflow-y: auto; overscroll-behavior: contain; }
.control-button,
.board-action,
.answer-label { white-space: nowrap; }

.mode-switch {
  display: grid;
  grid-template-columns: repeat(var(--mode-count, 3), minmax(0, 1fr));
  border: 2px solid var(--line);
  border-radius: 0.95rem;
  overflow: hidden;
  background: var(--surface);
}

.mode-button {
  min-height: 3.45rem;
  padding: 0.55rem 0.35rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-weight: 900;
}

.mode-button:last-child { border-right: 0; }
.mode-button[aria-pressed="true"] { background: var(--ink); color: white; }
.mode-button:disabled { cursor: default; }
.mode-button:disabled:not([aria-pressed="true"]) { opacity: 0.5; }

.expression-area {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  gap: 0.6rem;
}

.orientation-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding-inline: 0.15rem;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.orientation-row h2 {
  margin: 0;
  font-size: clamp(1.35rem, 4.8vw, 2.25rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.history {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.3rem;
  list-style: none;
  color: var(--muted);
  font-size: 0.78rem;
}

.history li + li::before { content: "›"; margin-right: 0.3rem; }

.candidate-grid {
  min-height: 16.5rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(var(--candidate-row-count, 2), minmax(7.6rem, 1fr));
  gap: clamp(0.55rem, 2vw, 0.9rem);
}

.candidate-card {
  position: relative;
  min-width: 0;
  min-height: 7.6rem;
  padding: clamp(0.65rem, 2.4vw, 1.1rem);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  justify-items: start;
  gap: clamp(0.55rem, 2.5vw, 1rem);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  overflow: hidden;
  transition: transform 130ms ease, background-color 130ms ease, border-color 130ms ease;
}

.candidate-card:active { transform: scale(0.985); }
.candidate-card:hover { background: #f8f6ef; }

.candidate-card.page-next {
  border-style: dashed;
  border-color: var(--accent);
  color: var(--accent-dark);
  background: #f5faf7;
}

.candidate-card.escape {
  border-style: dashed;
  border-color: var(--warning);
  color: var(--warning);
  background: #fffaf8;
}

.candidate-glyph {
  width: clamp(3.1rem, 10vw, 5.2rem);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: clamp(1.35rem, 5.5vw, 2.5rem);
  font-weight: 900;
}

.escape .candidate-glyph { background: var(--warning-soft); color: var(--warning); }

.candidate-glyph.pictogram {
  font-family: "Noto Color Emoji", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  font-size: clamp(1.8rem, 7vw, 3.1rem);
  font-weight: 400;
  line-height: 1;
}

.candidate-text {
  min-width: 0;
  max-width: 100%;
  display: grid;
  justify-items: start;
  gap: 0.15rem;
}

.candidate-english {
  max-width: 100%;
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: clamp(0.95rem, 3.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.escape .candidate-english { color: var(--warning); }

.candidate-label {
  min-width: 0;
  max-width: 100%;
  font-size: var(--candidate-size);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0.015em;
  overflow-wrap: anywhere;
}

.candidate-card.has-next::after {
  content: "›";
  position: absolute;
  right: 0.75rem;
  bottom: 0.35rem;
  color: var(--line);
  font-size: 2rem;
  font-weight: 900;
}

.control-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.control-button {
  min-height: 3.8rem;
  padding: 0.45rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 2px solid var(--line);
  border-radius: 0.9rem;
  background: transparent;
  color: var(--ink);
  font-weight: 900;
}

.control-button span { font-size: 1.25rem; }
.pause-control { border-color: var(--warning); color: var(--warning); }
.control-button:disabled { opacity: 0.38; cursor: default; }

.output-panel {
  padding: 0.9rem 1rem;
  border: 3px solid var(--accent);
  border-radius: 1rem;
  background: var(--surface);
  animation: rise-in 160ms ease-out;
}

.output-panel p { margin: 0; color: var(--accent); font-size: 0.78rem; font-weight: 900; }
.output-panel strong { display: block; margin-top: 0.2rem; font-size: clamp(1.5rem, 5vw, 2.6rem); line-height: 1.25; }
.output-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--tap-gap); margin-top: 0.75rem; }
.output-panel p.output-source { margin-top: 0.35rem; color: var(--muted); font-size: 0.85rem; font-weight: 800; line-height: 1.4; }
.output-panel p.output-retracted,
.pause-panel p.output-retracted { margin-top: 0.3rem; color: var(--muted); font-size: 0.9rem; font-weight: 800; }
.output-retracted s { color: var(--ink); text-decoration-thickness: 2px; }
.output-actions .retract-action:disabled { opacity: 0.45; }
.output-actions button {
  min-height: 3.5rem;
  padding: 0.45rem 0.8rem;
  border: 2px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
}
.output-actions .safety-action { border-color: var(--warning); color: var(--warning); }
.output-actions .retract-action { border-color: var(--warning); background: var(--warning); color: white; }
.output-actions .output-pause { grid-column: 1 / -1; border-color: var(--warning); color: var(--warning); }
#speechStatus { display: block; min-height: 1.2em; margin-top: 0.55rem; color: var(--muted); font-size: 0.82rem; }

.pause-panel {
  align-self: stretch;
  padding: clamp(1.2rem, 6vw, 2.5rem);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.8rem;
  border: 4px solid var(--warning);
  border-radius: var(--radius);
  background: var(--warning-soft);
  text-align: center;
}
.pause-panel[hidden] { display: none; }
.pause-panel p { margin: 0; color: var(--warning); font-weight: 900; }
.pause-panel h2 { margin: 0; font-size: clamp(3rem, 13vw, 6rem); line-height: 1; }
.pause-panel span { color: var(--muted); font-size: clamp(1rem, 3.6vw, 1.35rem); font-weight: 800; }
.pause-current-notice {
  width: min(32rem, 100%);
  padding: 0.55rem 0.7rem;
  display: grid;
  gap: 0.25rem;
  border: 2px solid var(--line);
  border-radius: 0.85rem;
  background: var(--surface);
}
.pause-current-notice strong { font-size: clamp(1rem, 3.8vw, 1.3rem); line-height: 1.3; }
.pause-previous-output {
  width: min(32rem, 100%);
  padding: 0.7rem;
  display: grid;
  gap: 0.4rem;
  border: 2px solid var(--warning);
  border-radius: 0.85rem;
  background: var(--surface);
}
.pause-previous-output[hidden] { display: none; }
.pause-previous-output strong { font-size: clamp(1.05rem, 4vw, 1.45rem); line-height: 1.3; }
.pause-previous-output #pauseRetractPrevious { min-height: 3.5rem; font-size: 1rem; }
.pause-actions {
  width: min(32rem, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}
.pause-panel button {
  min-width: 0;
  min-height: 4.5rem;
  border: 3px solid var(--accent);
  border-radius: 1rem;
  background: var(--accent);
  color: white;
  font-size: 1.35rem;
  font-weight: 900;
}
.pause-panel .pause-secondary { border-color: var(--line); background: var(--surface); color: var(--ink); font-size: 1rem; }
.pause-panel .pause-retract { border-color: var(--warning); background: var(--surface); color: var(--warning); font-size: 1rem; }
.pause-panel small { min-height: 1.2em; color: var(--muted); font-weight: 700; }

.app-footer {
  min-height: 2.5rem;
  padding: 0.45rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.privacy-dot { width: 0.58rem; height: 0.58rem; border-radius: 50%; background: var(--accent); }

dialog {
  color: var(--ink);
  border: 0;
  padding: 0;
}

dialog::backdrop { background: rgb(10 20 16 / 58%); }

.sheet-dialog {
  width: min(44rem, calc(100% - 1.2rem));
  max-width: none;
  margin: auto auto max(0.6rem, env(safe-area-inset-bottom));
  border-radius: 1.4rem;
  background: var(--surface);
  box-shadow: 0 1rem 3rem rgb(0 0 0 / 22%);
}

.sheet-content { padding: clamp(1.1rem, 4vw, 1.7rem); }
.sheet-content h2 { margin: 0; font-size: clamp(2rem, 8vw, 4.2rem); line-height: 1.1; }
.sheet-content > p:not(.eyebrow) { margin: 0.7rem 0 1.2rem; color: var(--muted); font-size: clamp(1rem, 3.5vw, 1.35rem); line-height: 1.55; }
.dialog-actions { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 0.7rem; }

.confirm-heading { display: flex; align-items: center; gap: 0.7rem; }
.confirm-pictogram {
  font-family: "Noto Color Emoji", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  font-size: clamp(2.2rem, 9vw, 3.8rem);
  line-height: 1;
}
.confirm-notices { margin: 0 0 1rem; display: grid; gap: 0.4rem; }
.confirm-notices[hidden] { display: none; }
.confirm-notices p { margin: 0; padding: 0.4rem 0.6rem; border-left: 4px solid var(--line); background: var(--paper); font-size: 0.95rem; font-weight: 800; line-height: 1.45; }
.confirm-notices p.medical-notice,
.medical-notice { border-left: 4px solid var(--warning); background: var(--warning-soft); color: var(--warning); }
.tool-panel .medical-notice { margin: 0; padding: 0.4rem 0.6rem; font-size: 0.9rem; font-weight: 800; }
.medical-notice[hidden] { display: none; }
.sheet-content > p.confirm-keywords { margin: 0.35rem 0 0; color: var(--accent-dark); font-size: clamp(1rem, 3.6vw, 1.25rem); font-weight: 800; }
.audience-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; margin: 0.9rem 0; }
.audience-option {
  min-height: 3.6rem;
  border: 2px solid var(--ink);
  border-radius: 0.85rem;
  background: var(--surface);
  color: var(--ink);
  font-size: 1.3rem;
  font-weight: 900;
}
.audience-option[aria-pressed="true"] { background: var(--ink); color: white; }
.audience-close { width: 100%; }
.sheet-content > p.confirm-english {
  margin: 0.25rem 0 0;
  color: var(--ink);
  font-family: system-ui, sans-serif;
  font-size: clamp(1.15rem, 4.5vw, 1.7rem);
  font-weight: 700;
  line-height: 1.2;
}
.confirm-preview {
  margin: 0.8rem 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.8rem;
}
.preview-action {
  min-height: 3.2rem;
  padding: 0.5rem 1rem;
  border: 2px solid var(--line);
  border-radius: 0.8rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
}
#previewStatus { color: var(--muted); font-size: 0.95rem; }
#previewStatus[data-state="previewing"] {
  padding: 0.3rem 0.6rem;
  border: 2px solid var(--warning);
  border-radius: 0.6rem;
  background: var(--warning-soft);
  color: var(--warning);
  font-weight: 900;
}
.settings-offline {
  margin: 1.1rem 0 0;
  padding: 0.55rem 0.7rem;
  border-radius: 0.7rem;
  background: var(--paper);
  font-size: 0.9rem;
  font-weight: 800;
}
.settings-offline[data-ready="true"] { background: var(--accent-soft); color: var(--accent-dark); }

.primary-action,
.secondary-action {
  min-height: 4.25rem;
  border-radius: 0.9rem;
  padding: 0.7rem 1rem;
  font-weight: 900;
}

.primary-action { border: 3px solid var(--accent); background: var(--accent); color: white; }
.secondary-action { border: 3px solid var(--line); background: var(--surface); color: var(--ink); }

.settings-dialog {
  width: min(38rem, calc(100% - 1.2rem));
  max-width: none;
  border-radius: 1.35rem;
  background: var(--surface);
}

.settings-content { padding: 1.2rem; }
.settings-heading { display: flex; justify-content: space-between; gap: 1rem; }
.settings-heading h2 { margin: 0; font-size: 1.8rem; }
.icon-close { width: 3rem; height: 3rem; border: 2px solid var(--line); border-radius: 0.8rem; background: var(--surface); font-size: 1.6rem; }

.settings-content fieldset {
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  border: 0;
}

.settings-content legend { width: 100%; margin-bottom: 0.55rem; font-weight: 900; }
.settings-content label {
  min-height: 3.7rem;
  padding: 0.6rem 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border: 2px solid var(--line);
  border-radius: 0.8rem;
  font-weight: 800;
}
.settings-content input { width: 1.3rem; height: 1.3rem; accent-color: var(--accent); }
.settings-note { color: var(--muted); line-height: 1.55; font-size: 0.88rem; }
.settings-help { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 0.85rem; line-height: 1.45; }
.voice-options { grid-column: 1 / -1; display: grid; gap: 0.45rem; }
.voice-test { grid-column: 1 / -1; min-height: 3.2rem; }
.settings-dialog { max-height: calc(100dvh - 1.2rem); }
.settings-content { max-height: calc(100dvh - 1.2rem); overflow-y: auto; overscroll-behavior: contain; }
.settings-done { width: 100%; }

.partner-dialog {
  width: min(42rem, calc(100% - 1.2rem));
  max-width: none;
  max-height: calc(100dvh - 1.2rem);
  overflow: hidden;
  border-radius: 1.35rem;
  background: var(--surface);
}
.partner-content {
  max-height: calc(100dvh - 1.2rem);
  padding: clamp(1.15rem, 4vw, 1.8rem);
  display: flex;
  flex-direction: column;
}
.partner-content h2 { margin: 0; font-size: clamp(1.55rem, 5vw, 2.3rem); line-height: 1.2; }
.partner-sections {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0.8rem 0 1rem;
  padding-right: 0.35rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.partner-sections h3 { margin: 0.9rem 0 0.3rem; font-size: 1.05rem; color: var(--accent-dark); }
.partner-sections section:first-child h3 { margin-top: 0; }
.partner-content ul {
  margin: 0;
  padding: 0 0 0 1.4rem;
  display: grid;
  gap: 0.45rem;
  line-height: 1.55;
}
.partner-content button { width: 100%; }

.status-toast {
  position: fixed;
  left: 50%;
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 20;
  max-width: calc(100% - 2rem);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-weight: 800;
  opacity: 0;
  transform: translate(-50%, 0.75rem);
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
}

.status-toast.show { opacity: 1; transform: translate(-50%, 0); }
.app-shell.text-extra { --candidate-size: clamp(2.15rem, 8.2vw, 5.4rem); }

@keyframes rise-in {
  from { opacity: 0; transform: translateY(0.4rem); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 780px) and (min-height: 621px) {
  .workspace { padding-top: 1.2rem; }
  .talk-panel { grid-template-columns: 12rem minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr) auto; column-gap: 1rem; }
  .talk-panel .mode-switch { grid-column: 1; grid-row: 1 / -1; grid-template-columns: 1fr; grid-auto-rows: minmax(2.75rem, 4.2rem); align-content: start; min-height: 0; }
  .talk-panel .orientation-row,
  .talk-panel .candidate-grid,
  .talk-panel .control-rail { grid-column: 2; }
  .mode-button { min-height: 2.75rem; border-right: 0; border-bottom: 1px solid var(--line); text-align: left; padding-inline: 1rem; }
  .mode-button:last-child { border-bottom: 0; }
  .candidate-grid { min-height: 0; grid-template-rows: repeat(var(--candidate-row-count, 2), minmax(4.5rem, 1fr)); }
  .candidate-card { min-height: 0; }
  .control-rail { max-width: 42rem; }
}

@media (max-width: 420px) {
  .app-header { min-height: 4.25rem; }
  .brand-mark { width: 2.35rem; height: 2.35rem; border-radius: 0.65rem; }
  .header-action { min-height: 2.75rem; padding-inline: 0.6rem; font-size: 0.82rem; }
  .brand-block p { display: none; }
  .brand-block h1 { font-size: 1.1rem; }
  .audience-action { min-width: 3.8rem; }
  .answer-button { min-height: 2.8rem; }
  .answer-label { font-size: 1.05rem; }
  .tool-tab { min-height: 2.9rem; font-size: 0.85rem; }
  .control-button { padding-inline: 0.2rem; }
  .answer-button { flex-direction: column; gap: 0; padding: 0.15rem 0.1rem; }
  .answer-glyph { font-size: 0.95rem; line-height: 1.05; }
  .answer-glyph.pictogram { font-size: 1.05rem; }
  .answer-label { font-size: 0.9rem; letter-spacing: -0.02em; }
  .answer-button .candidate-text { justify-items: center; }
  .answer-button .candidate-english { display: none; }
  .board-action { font-size: 0.9rem; }
  .keyword-items { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .keyword-item { min-height: 2.8rem; }
  .keyword-label { font-size: 1.1rem; }
  .workspace { padding-top: 0.55rem; gap: 0.55rem; }
  .mode-button { min-height: 3rem; font-size: 0.86rem; }
  .expression-area { gap: 0.55rem; }
  .orientation-row { align-items: start; }
  .history { max-width: 46%; max-height: 2.8rem; overflow: hidden; font-size: 0.9rem; font-weight: 800; }
  .candidate-grid { min-height: 15.7rem; grid-template-rows: repeat(var(--candidate-row-count, 2), minmax(7.5rem, 1fr)); }
  .candidate-card { min-height: 7.5rem; grid-template-columns: 1fr; justify-items: center; align-content: center; text-align: center; gap: 0.2rem; }
  .candidate-glyph { width: 2.75rem; font-size: 1.3rem; }
  .candidate-label { font-size: clamp(1.7rem, 9vw, 2.6rem); }
  .candidate-text { justify-items: center; }
  .candidate-glyph.pictogram { font-size: 1.75rem; }
  .candidate-english { font-size: 0.95rem; }
  .text-extra .candidate-label { font-size: clamp(1.95rem, 10vw, 2.9rem); }
  .text-extra .history { font-size: 1rem; }
  .control-button { min-height: 3.5rem; font-size: 0.95rem; gap: 0.25rem; }
  .app-footer { min-height: 2rem; font-size: 0.68rem; }
  .pause-panel { padding: 0.7rem; gap: 0.45rem; }
  .pause-panel h2 { font-size: 2.6rem; }
  .pause-panel button { min-height: 3.35rem; font-size: 1.05rem; }
  .pause-current-notice { padding: 0.4rem 0.5rem; }
  .pause-previous-output { padding: 0.5rem; gap: 0.3rem; }
  .pause-previous-output #pauseRetractPrevious { min-height: 3.2rem; }
  .demo-strip { min-height: 2.35rem; font-size: 0.74rem; }
  .dialog-actions { grid-template-columns: 1fr; }
}

@media (max-height: 800px) and (max-width: 500px) {
  .app-header { min-height: 0; padding-block: 0.3rem; }
  .brand-block h1 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .header-action { min-height: 2.75rem; padding-block: 0.2rem; }
  .header-action > span[aria-hidden="true"] { display: none; }
  .audience-action { line-height: 1.02; }
  .audience-action .audience-caption { font-size: 0.62rem; }
  .audience-action strong { font-size: 0.95rem; }
  .orientation-row { align-items: center; }
  .orientation-side { flex-direction: row; align-items: center; gap: 0.35rem; }
  .history { max-height: 1.4rem; }
  .brand-mark { width: 2rem; height: 2rem; font-size: 1.1rem; }
  .demo-strip { min-height: 2rem; }
  .demo-strip span { display: none; }
  .workspace { padding-top: 0.4rem; gap: 0.4rem; }
  .mode-button { min-height: 2.75rem; }
  .answer-button { min-height: 2.75rem; }
  .eyebrow { display: none; }
  .orientation-row h2 { font-size: 1.15rem; }
  .talk-panel { gap: 0.4rem; }
  .candidate-grid { min-height: 0; gap: 0.4rem; grid-template-rows: repeat(var(--candidate-row-count, 2), minmax(5.5rem, 1fr)); }
  .candidate-card { min-height: 5.5rem; padding: 0.35rem; }
  .candidate-glyph { width: 2rem; font-size: 1.05rem; }
  .candidate-glyph.pictogram { font-size: 1.35rem; }
  .candidate-label { font-size: clamp(1.5rem, 8vw, 2.2rem); }
  .text-extra .candidate-label { font-size: clamp(1.7rem, 9vw, 2.4rem); }
  .control-button { min-height: 2.75rem; }
  .bottom-bar { padding-top: 0.25rem; }
  .tool-tab { min-height: 2.75rem; }
  .keyword-selection { min-height: 1.8rem; font-size: 1.3rem; }
  .keyword-slot { min-height: 2.75rem; }
  .keyword-item { min-height: 2.75rem; }
  .board-action { min-height: 2.75rem; }
  .writing-input { min-height: 3.4rem; }
  .app-footer { display: none; }
}

/* Short, wide screens: Windows display scaling, laptops and a landscape phone on a stand. */
@media (min-width: 600px) and (max-height: 620px) {
  .app-header { min-height: 0; padding-block: 0.2rem; }
  .brand-block p, .app-footer, .eyebrow, .demo-strip span { display: none; }
  .brand-mark { width: 2rem; height: 2rem; font-size: 1.1rem; }
  .brand-block h1 { font-size: 1.05rem; }
  .header-action { min-height: 2.75rem; padding-block: 0.1rem; }
  .demo-strip { min-height: 0; padding-block: 0.15rem; }
  .demo-strip button { min-height: 2.75rem; }
  .workspace { padding-top: 0.3rem; padding-bottom: 0.3rem; gap: 0.3rem; }
  .answer-button { min-height: 2.75rem; padding-block: 0.1rem; }
  .expression-area { gap: 0.3rem; }
  .talk-panel {
    grid-template-columns: minmax(0, 1fr) clamp(7.5rem, 16vw, 10rem);
    grid-template-rows: auto auto minmax(0, 1fr);
    column-gap: 0.6rem;
    row-gap: 0.3rem;
  }
  .talk-panel .mode-switch { grid-column: 1; grid-row: 1; }
  .talk-panel .orientation-row { grid-column: 1; grid-row: 2; align-items: center; }
  .talk-panel .candidate-grid { grid-column: 1; grid-row: 3; }
  .talk-panel .control-rail {
    grid-column: 2;
    grid-row: 1 / -1;
    grid-template-columns: 1fr;
    grid-auto-rows: minmax(2.75rem, 1fr);
    align-content: stretch;
    max-width: none;
  }
  .mode-button { min-height: 2.75rem; }
  .orientation-row h2 { font-size: 1.1rem; }
  .orientation-side { flex-direction: row; align-items: center; gap: 0.35rem; }
  .history { max-height: 1.4rem; overflow: hidden; }
  .candidate-grid { min-height: 0; gap: 0.3rem; grid-template-rows: repeat(var(--candidate-row-count, 2), minmax(2.75rem, 1fr)); }
  .candidate-card { min-height: 2.75rem; padding: 0.15rem 0.4rem; gap: 0.3rem; }
  .candidate-label { font-size: clamp(1.2rem, 6.5dvh, 2.4rem); }
  .text-extra .candidate-label { font-size: clamp(1.35rem, 7.5dvh, 2.7rem); }
  .candidate-glyph { width: 1.8rem; font-size: 0.95rem; }
  .control-button { min-height: 2.75rem; padding-block: 0.2rem; }
  .tool-tab { min-height: 2.75rem; }
  .bottom-bar { padding-top: 0.2rem; }
  .board-action, .keyword-slot, .keyword-item, .history-replay { min-height: 2.75rem; }
  .output-panel { padding: 0.5rem 0.7rem; }
  .output-actions button { min-height: 2.75rem; }
  .pause-panel { padding: 0.5rem; gap: 0.3rem; }
  .pause-panel h2 { font-size: 1.8rem; }
  .pause-panel button { min-height: 2.75rem; }
  .writing-input { min-height: 2.9rem; }
}

/* Very short phones: the glyph sits beside the label so a card needs only one line of height. */
@media (max-height: 600px) and (max-width: 500px) {
  .candidate-grid { grid-template-rows: repeat(var(--candidate-row-count, 2), minmax(2.75rem, 1fr)); }
  .candidate-card { min-height: 2.75rem; grid-template-columns: auto minmax(0, 1fr); justify-items: start; align-content: center; text-align: left; gap: 0.35rem; padding: 0.25rem 0.45rem; }
  .candidate-text { justify-items: start; }
  .candidate-label { font-size: clamp(1.25rem, 6.5vw, 1.9rem); }
  .text-extra .candidate-label { font-size: clamp(1.4rem, 7.2vw, 2.1rem); }
  .candidate-glyph { width: 1.8rem; font-size: 0.95rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .candidate-card,
  .control-button,
  .mode-switch,
  .header-action { border-color: ButtonText; }
  .candidate-glyph { border: 1px solid ButtonText; }
}

/* Tap guard: briefly ignore pointer input after a screen change; pause and stop stay live. */
.workspace.settling button:not(#pauseAction):not(#outputPause):not(#stopSpeech):not(#pauseStopSpeech),
.workspace.settling textarea {
  pointer-events: none;
}
.workspace button,
dialog button {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}
#confirmDialog[data-armed="false"] .dialog-actions button,
#confirmDialog[data-armed="false"] .preview-action {
  opacity: 0.55;
  border-style: dashed;
  pointer-events: none;
}
.writing-panel .board-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tool-panel:not(.talk-panel) { display: flex; flex-direction: column; }
.tool-panel:not(.talk-panel) > * { flex: 0 0 auto; }
.tool-panel[hidden] { display: none; }
.settings-version { margin: 0.4rem 0 0; color: var(--muted); font-size: 0.85rem; font-weight: 800; }