:root {
  color-scheme: dark;
  --background: #161b22;
  --surface: #252b35;
  --surface-strong: #303746;
  --field: #11161d;
  --text: #f0f4f8;
  --muted: #a7b3c2;
  --brass: #b78a45;
  --blue: #5aa7ff;
  --red: #ff6969;
  --green: #67d391;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--background);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button,
select,
input {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: var(--text);
}

button {
  min-height: 44px;
  padding: 0 18px;
  background: var(--surface-strong);
  cursor: pointer;
}

button:hover:not(:disabled) {
  border-color: var(--brass);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

select,
input {
  min-height: 44px;
  padding: 0 12px;
  background: var(--field);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
canvas:focus-visible {
  outline: 3px solid rgba(90, 167, 255, 0.55);
  outline-offset: 2px;
}

.app-shell {
  width: min(1040px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px;
}

.screen {
  min-height: calc(100vh - 36px);
  display: grid;
  place-items: center;
}

.panel,
.loading-panel {
  width: min(860px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: clamp(18px, 4vw, 34px);
  background: var(--surface);
}

.menu-actions {
  display: grid;
  gap: 16px;
  width: min(420px, 100%);
  margin: 0 auto;
}

.menu-action {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  min-height: 86px;
  text-align: left;
}

.menu-icon,
.choice-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  font-size: 2rem;
  line-height: 1;
}

.menu-label {
  font-size: 1.7rem;
  font-weight: 750;
}

.selected-count,
.muted {
  color: var(--muted);
}

.top-row,
.result-actions,
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.toolbar {
  margin-bottom: 14px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--brass);
  font-size: 0.82rem;
  font-weight: 750;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-weight: 780;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.45rem, 4vw, 2.4rem);
}

.question-prefix {
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
}

.question-top {
  display: grid;
  grid-template-columns: 1fr 52px;
  align-items: center;
  gap: 12px;
}

.question-top .question-prefix {
  padding-left: 64px;
}

.replay-button {
  width: 52px;
  height: 52px;
  min-height: 52px;
  display: grid;
  place-items: center;
  border: 2px solid var(--brass);
  border-radius: 50%;
  padding: 0;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 235, 184, 0.22), transparent 32%),
    linear-gradient(145deg, #6f4e2c, #2b1e14);
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, 0.08),
    0 8px 18px rgba(0, 0, 0, 0.28);
  color: var(--text);
}

.replay-button span {
  transform: translateY(-1px);
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1;
}

.replay-button:hover {
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 235, 184, 0.32), transparent 32%),
    linear-gradient(145deg, #805a31, #362416);
}

.question-word {
  margin: 18px 0 8px;
  text-align: center;
  font-size: clamp(3rem, 11vw, 6rem);
  font-weight: 850;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.question-detail {
  min-height: 1.35em;
  margin: 0 0 28px;
  color: var(--muted);
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.choice-button {
  min-height: 126px;
  display: grid;
  place-items: center;
  gap: 8px;
  padding: 14px 10px;
}

.choice-button span:last-child {
  font-weight: 750;
}

.answer-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-top: 8px;
}

.feedback-grid {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.feedback-line {
  display: grid;
  grid-template-columns: 96px 1fr;
  align-items: start;
  gap: 10px;
  color: var(--muted);
}

.feedback-value {
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.answer-replay-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 52px;
  align-items: center;
  gap: 12px;
}

.correct-text {
  color: var(--blue);
}

.wrong-text {
  color: var(--red);
}

.success {
  color: var(--green);
}

.error {
  color: var(--red);
}

.summary-grid,
.settings-grid {
  display: grid;
  gap: 12px;
}

.summary-row,
.setting-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(160px, 2fr);
  align-items: center;
  gap: 12px;
}

.fold {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 12px;
}

.fold summary {
  cursor: pointer;
  font-weight: 750;
}

.checkbox-grid {
  max-height: 260px;
  overflow: auto;
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding-right: 6px;
}

.checkbox-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 34px;
}

.checkbox-row input {
  min-height: 0;
}

.surface-panel {
  width: min(960px, 100%);
  min-height: calc(100vh - 36px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
}

.camera-wrap,
.canvas-wrap {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: #05070a;
}

video,
canvas,
.snapshot-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.region-box {
  position: absolute;
  border: 2px solid var(--blue);
  background: rgba(90, 167, 255, 0.15);
  pointer-events: none;
}

.status {
  min-height: 1.4em;
  color: var(--muted);
  text-align: center;
}

.rogue-screen {
  position: relative;
  height: calc(100dvh - 36px);
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  align-content: stretch;
  gap: 8px;
}

.rogue-topbar {
  display: grid;
  grid-template-columns: auto repeat(5, minmax(70px, 1fr));
  gap: 10px;
  align-items: stretch;
}

.rogue-stat {
  display: grid;
  gap: 2px;
  align-content: center;
  min-height: 54px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: var(--surface);
}

.rogue-stat span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  text-transform: uppercase;
}

.rogue-map {
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 3px;
  width: auto;
  height: min(100%, 560px, calc(100vw - 36px));
  justify-self: center;
  align-self: center;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: #090d12;
}

.rogue-cell {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: #1b222c;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(0.6rem, 2.2vw, 1rem);
  font-weight: 850;
  line-height: 1;
}

.rogue-cell.wall {
  background: #3b414b;
  color: #707a88;
}

.rogue-cell.floor {
  background: #151b22;
  color: #4e5a68;
}

.rogue-cell.door {
  background: #5f4528;
  color: #f5c77a;
}

.rogue-cell.exit {
  background: #17472d;
  color: #7ff0aa;
}

.rogue-cell.player {
  background: #1d4d80;
  color: #ffffff;
}

.rogue-cell.monster {
  background: #6f2323;
  color: #ffffff;
}

.rogue-cell.explored {
  opacity: 0.42;
}

.rogue-cell.unseen {
  background: #05070a;
  color: transparent;
}

.rogue-bottom {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(190px, 1.2fr);
  grid-template-areas:
    "message controls"
    "legend controls";
  align-items: center;
  gap: 6px 12px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: var(--surface);
}

.rogue-message {
  grid-area: message;
  margin: 0;
  color: var(--muted);
  text-align: left;
  font-weight: 700;
  font-size: 0.86rem;
  line-height: 1.2;
}

.rogue-controls {
  grid-area: controls;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
}

.rogue-controls button {
  min-height: 34px;
  padding: 0 6px;
  font-weight: 800;
  font-size: 0.86rem;
}

.rogue-legend,
.rogue-combat-stats {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-weight: 700;
}

.rogue-legend {
  grid-area: legend;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  font-size: 0.76rem;
}

.rogue-enemy-status {
  display: grid;
  gap: 12px;
  margin: 16px 0;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(5, 7, 10, 0.28);
}

.rogue-enemy-status h3 {
  margin: 0;
  font-size: 1.2rem;
}

.rogue-status-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.rogue-legend b {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-right: 6px;
  border-radius: 4px;
  color: #ffffff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.legend-player {
  background: #1d4d80;
}

.legend-monster {
  background: #6f2323;
}

.legend-door {
  background: #5f4528;
}

.legend-exit {
  background: #17472d;
}

.rogue-fight {
  max-width: 760px;
}

.dialog-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.62);
}

.dialog {
  width: min(760px, 100%);
  max-height: min(820px, calc(100vh - 36px));
  overflow: auto;
}

.hidden {
  display: none;
}

@media (max-width: 700px) {
  .app-shell {
    padding: 12px;
  }

  .screen,
  .surface-panel {
    min-height: calc(100vh - 24px);
  }

  .rogue-screen {
    height: calc(100dvh - 24px);
    min-height: 0;
    gap: 6px;
  }

  .top-row,
  .result-actions,
  .toolbar,
  .answer-form,
  .summary-row,
  .setting-row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .question-top {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .question-top .question-prefix {
    padding-left: 0;
  }

  .choice-grid {
    grid-template-columns: 1fr;
  }

  .choice-button {
    min-height: 84px;
    grid-template-columns: 48px 1fr;
    text-align: left;
  }

  .choice-icon {
    width: 48px;
    height: 48px;
  }

  .feedback-line {
    grid-template-columns: 1fr;
  }

  .answer-replay-row {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .camera-wrap,
  .canvas-wrap {
    min-height: 360px;
  }

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

  .rogue-topbar button {
    grid-column: auto;
    min-height: 40px;
    padding: 0 8px;
  }

  .rogue-stat {
    min-height: 40px;
    padding: 4px 6px;
  }

  .rogue-stat span {
    font-size: 0.62rem;
  }

  .rogue-stat strong {
    font-size: 0.82rem;
  }

  .rogue-map {
    justify-self: center;
    height: min(100%, calc(100vw - 24px));
    width: auto;
    max-width: calc(100vw - 24px);
    gap: 2px;
    padding: 6px;
  }

  .rogue-bottom {
    grid-template-columns: minmax(96px, 0.8fr) minmax(150px, 1.2fr);
    gap: 3px 6px;
    padding: 4px;
  }

  .rogue-message {
    min-height: 0;
    font-size: 0.62rem;
    line-height: 1.2;
  }

  .rogue-controls {
    gap: 2px;
  }

  .rogue-controls button {
    min-height: 24px;
    padding: 0 3px;
    font-size: 0.68rem;
  }

  .rogue-legend {
    grid-template-columns: 1fr;
    gap: 2px;
    font-size: 0.56rem;
  }

  .rogue-legend b {
    width: 12px;
    height: 12px;
    margin-right: 2px;
  }

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