:root {
  --accent: #55c5ff;
  --accent-2: #93f7cd;
  --radius: 8px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(820px 420px at 10% -8%, color-mix(in srgb, black 62%, var(--accent) 38%) 0%, transparent 58%),
    radial-gradient(740px 480px at 100% 0%, color-mix(in srgb, black 58%, var(--accent-2) 42%) 0%, transparent 54%),
    linear-gradient(180deg, color-mix(in srgb, black 94%, var(--accent) 6%) 0%, var(--bg) 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
  touch-action: manipulation;
}

.shell {
  width: min(1120px, calc(100vw - 20px));
  margin: 0 auto;
  padding: 12px 0 24px;
}

.hud {
  margin-top: 6px;
}

.btn {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  min-height: 42px;
  padding: 9px 12px;
  color: var(--text);
  background: linear-gradient(180deg, color-mix(in srgb, black 76%, var(--accent) 24%), color-mix(in srgb, black 88%, var(--panel-3) 12%));
  transition: transform 120ms ease, border-color 120ms ease, opacity 120ms ease;
}

.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

select,
.input-answer {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, black 90%, var(--panel) 10%);
  color: var(--text);
  padding: 9px 10px;
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(190px, 0.72fr) minmax(260px, 1fr) minmax(190px, 0.72fr);
  grid-template-areas:
    "status map battle"
    "question question question";
  gap: 10px;
  margin-top: 10px;
  align-items: stretch;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, color-mix(in srgb, black 82%, var(--panel) 18%), color-mix(in srgb, black 88%, var(--panel-3) 12%));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.map-panel { grid-area: map; }
.status-panel { grid-area: status; }
.battle-panel { grid-area: battle; }
.question-panel { grid-area: question; }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.panel-head > div:first-child {
  min-width: 0;
}

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

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

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  background: color-mix(in srgb, black 84%, var(--panel) 16%);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.map-wrap {
  position: relative;
  width: min(100%, 360px);
  margin: 0 auto;
  padding: 10px;
  touch-action: none;
}

.map-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  grid-template-rows: repeat(8, minmax(0, 1fr));
  gap: 3px;
  padding: 4px;
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, black 62%, var(--line-strong) 38%);
  border-radius: 7px;
  background:
    linear-gradient(90deg, color-mix(in srgb, transparent 92%, var(--line) 8%) 1px, transparent 1px),
    linear-gradient(0deg, color-mix(in srgb, transparent 92%, var(--line) 8%) 1px, transparent 1px),
    radial-gradient(circle at 50% 40%, color-mix(in srgb, black 78%, var(--ui-grid-tile) 22%), color-mix(in srgb, black 91%, var(--panel) 9%));
  background-size: 32px 32px;
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, transparent 72%, white 28%),
    inset 0 0 22px color-mix(in srgb, transparent 52%, black 48%);
  touch-action: none;
}

.tile {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 5px;
  background: color-mix(in srgb, black 86%, var(--panel-3) 14%);
  color: var(--muted);
  font-size: clamp(13px, 2.2vw, 23px);
  line-height: 1;
  user-select: none;
}

.tile.wall {
  background: color-mix(in srgb, black 72%, var(--line) 28%);
  border-color: color-mix(in srgb, black 58%, var(--line-strong) 42%);
}

.tile.floor {
  background:
    radial-gradient(circle at 35% 25%, color-mix(in srgb, black 80%, var(--ui-grid-tile) 20%), transparent 62%),
    color-mix(in srgb, black 86%, var(--ui-grid-tile) 14%);
  border-color: color-mix(in srgb, black 78%, var(--line) 22%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, transparent 86%, white 14%);
}

.tile.player {
  background:
    radial-gradient(circle at 35% 25%, color-mix(in srgb, black 80%, var(--ui-grid-tile) 20%), transparent 62%),
    color-mix(in srgb, black 86%, var(--ui-grid-tile) 14%);
  border-color: color-mix(in srgb, black 78%, var(--line) 22%);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, transparent 86%, white 14%),
    0 0 0 2px color-mix(in srgb, transparent 72%, var(--accent-2) 28%);
}

.tile.mob { color: #ffd479; }
.tile.boss { color: #ff7784; }
.tile.door { color: var(--accent-2); }
.tile.potion { color: #9fe7ff; }
.tile.shrine { color: #d8bcff; }
.tile.cache { color: #ffe0a3; }
.tile.tower { color: var(--accent-2); }
.tile.practice { color: #f8d77c; }
.tile.study { color: #9fe7ff; }
.tile.visited { filter: brightness(1.08); }
.tile.locked { opacity: 0.58; }

.tile-token {
  display: grid;
  place-items: center;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 999px;
  color: var(--text);
  font-size: 0.74em;
  font-weight: 900;
  line-height: 1;
}

.header-token {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  color: var(--text);
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
}

.header-token[hidden] {
  display: none;
}

.header-token.is-defeated {
  opacity: 0.55;
  filter: grayscale(0.35);
}

.player-token {
  border: 1px solid color-mix(in srgb, black 30%, var(--accent-2) 70%);
  background: radial-gradient(circle at 35% 30%, color-mix(in srgb, white 20%, var(--accent-2) 80%), color-mix(in srgb, black 58%, var(--accent-2) 42%));
  color: color-mix(in srgb, black 86%, var(--accent-2) 14%);
}

.enemy-token {
  border: 1px solid color-mix(in srgb, black 20%, var(--danger) 80%);
  background: radial-gradient(circle at 35% 30%, color-mix(in srgb, white 16%, var(--danger) 84%), color-mix(in srgb, black 58%, var(--danger) 42%));
}

.monster-token {
  position: relative;
  overflow: visible;
  background: transparent;
  border-color: transparent;
}

.monster-token::before {
  content: "";
  position: absolute;
  inset: 14%;
  border: 1px solid color-mix(in srgb, black 20%, var(--danger) 80%);
  border-radius: 999px;
  background: radial-gradient(circle at 35% 30%, color-mix(in srgb, white 16%, var(--danger) 84%), color-mix(in srgb, black 58%, var(--danger) 42%));
}

.monster-sprite {
  position: relative;
  z-index: 1;
  display: block;
  width: 138%;
  height: 138%;
  background-image: url("monster_sprites.png");
  background-repeat: no-repeat;
  background-size: 200% 800%;
  background-position: 0 calc(var(--sprite-row) * 100% / 7);
  animation: monster-idle 1s steps(1, end) infinite;
}

@keyframes monster-idle {
  0%,
  49.99% {
    background-position: 0 calc(var(--sprite-row) * 100% / 7);
  }

  50%,
  100% {
    background-position: 100% calc(var(--sprite-row) * 100% / 7);
  }
}

.boss-token {
  box-shadow: 0 0 0 2px color-mix(in srgb, transparent 68%, var(--warn) 32%);
}

.door-token {
  position: relative;
  display: block;
  width: 66%;
  height: 82%;
  border: 1px solid color-mix(in srgb, black 22%, var(--accent-2) 78%);
  border-bottom-width: 3px;
  border-radius: 4px 4px 1px 1px;
  background:
    linear-gradient(90deg, transparent 0 44%, color-mix(in srgb, black 30%, var(--accent-2) 70%) 44% 50%, transparent 50%),
    linear-gradient(180deg, color-mix(in srgb, black 50%, var(--accent-2) 50%), color-mix(in srgb, black 82%, var(--accent-2) 18%));
}

.door-token span {
  position: absolute;
  right: 18%;
  top: 49%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--warn);
}

.potion-token,
.rune-token,
.cache-token,
.tower-token,
.practice-token,
.study-token {
  display: grid;
  place-items: center;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 5px;
  font-weight: 900;
  line-height: 1;
}

.potion-token {
  border: 1px solid color-mix(in srgb, black 28%, var(--accent) 72%);
  background: color-mix(in srgb, black 70%, var(--accent) 30%);
  color: #9fe7ff;
}

.rune-token {
  border: 1px solid #d8bcff;
  background: color-mix(in srgb, black 72%, #d8bcff 28%);
  color: #efe2ff;
}

.cache-token {
  border: 1px solid #ffe0a3;
  background: linear-gradient(180deg, color-mix(in srgb, black 58%, #ffe0a3 42%), color-mix(in srgb, black 78%, #ffe0a3 22%));
  color: color-mix(in srgb, black 86%, #ffe0a3 14%);
}

.tower-token {
  border: 1px solid color-mix(in srgb, black 22%, var(--accent-2) 78%);
  background:
    linear-gradient(90deg, transparent 0 36%, color-mix(in srgb, black 35%, var(--accent-2) 65%) 36% 45%, transparent 45% 55%, color-mix(in srgb, black 35%, var(--accent-2) 65%) 55% 64%, transparent 64%),
    linear-gradient(180deg, color-mix(in srgb, black 48%, var(--accent-2) 52%), color-mix(in srgb, black 82%, var(--accent-2) 18%));
  color: color-mix(in srgb, black 88%, var(--accent-2) 12%);
}

.practice-token {
  border: 1px solid #f8d77c;
  background: radial-gradient(circle at 35% 25%, color-mix(in srgb, white 16%, #f8d77c 84%), color-mix(in srgb, black 72%, #f8d77c 28%));
  color: color-mix(in srgb, black 86%, #f8d77c 14%);
  font-size: 0.86em;
}

.study-token {
  border: 1px solid #9fe7ff;
  background: linear-gradient(135deg, color-mix(in srgb, black 58%, #9fe7ff 42%), color-mix(in srgb, black 80%, #9fe7ff 20%));
  color: color-mix(in srgb, black 86%, #9fe7ff 14%);
}

.visited-dot {
  width: 18%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: color-mix(in srgb, transparent 40%, var(--muted) 60%);
}

.drag-indicator {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: color-mix(in srgb, black 72%, var(--accent) 28%);
  color: var(--text);
  font-size: 28px;
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.8);
  transition: opacity 120ms ease, transform 120ms ease;
}

.drag-indicator.active {
  opacity: 0.92;
  transform: translate(-50%, -50%) scale(1);
}

.health-row,
.cooldown-row,
.inventory,
.enemy-readout,
.question-panel .question-prompt,
.answer-area,
.support-line {
  padding: 10px 12px;
}

.health-row,
.cooldown-row {
  display: grid;
  gap: 8px;
}

.health-row > div:first-child,
.cooldown-row > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.bar {
  height: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, black 90%, var(--panel) 10%);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 100%;
  transition: width 160ms ease;
}

.player-fill {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.enemy-fill {
  background: linear-gradient(90deg, var(--danger), var(--warn));
}

.cooldown-fill {
  background: linear-gradient(90deg, var(--warn), var(--danger));
}

.cooldown-row {
  padding-top: 0;
}

.combat-stats {
  display: grid;
  gap: 6px;
  padding: 0 12px 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.combat-stats > div {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: center;
  min-width: 0;
}

.combat-stats > div[hidden] {
  display: none;
}

.stat-icon {
  display: inline-grid;
  place-items: center;
  color: var(--accent-2);
  font-weight: 900;
}

.inventory {
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
}

.inventory-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.inventory-list {
  display: grid;
  gap: 6px;
}

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

.item-btn {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-height: 0;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background:
    linear-gradient(135deg, color-mix(in srgb, black 76%, var(--panel-3) 24%), color-mix(in srgb, black 90%, var(--panel) 10%));
  color: var(--text);
  padding: 5px;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, transparent 70%, black 30%);
}

.item-btn strong {
  font-size: 19px;
  line-height: 1;
}

.item-btn span {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.1;
}

.item-btn.empty {
  cursor: default;
  opacity: 0.44;
}

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

.equip-slot {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-height: 0;
  border: 1px solid color-mix(in srgb, black 58%, var(--line-strong) 42%);
  border-radius: 3px;
  background:
    linear-gradient(135deg, color-mix(in srgb, black 82%, var(--warn) 18%), color-mix(in srgb, black 92%, var(--panel) 8%));
  color: var(--muted);
  font-size: 11px;
  text-align: center;
  padding: 4px;
}

.status-panel .panel-head h2,
.battle-panel .panel-head h2 {
  font-size: 16px;
}

.event-log {
  display: none;
  gap: 5px;
  min-height: 76px;
  margin: 0;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  list-style: none;
  color: var(--muted);
  font-size: 12px;
}

.enemy-readout {
  display: grid;
  gap: 6px;
  align-items: center;
}

.enemy-meta {
  display: grid;
  gap: 4px;
}

.enemy-meta span,
.support-line {
  color: var(--muted);
  font-size: 13px;
}

.word-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.question-prompt {
  margin: 0;
  color: var(--muted);
}

.answer-area {
  display: grid;
  gap: 10px;
}

.answers-choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.answer-btn {
  display: grid;
  gap: 4px;
  min-height: 54px;
  text-align: left;
}

.answer-btn strong {
  font-size: 16px;
}

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

.answer-btn.correct {
  border-color: var(--accent-2);
  background: color-mix(in srgb, black 66%, var(--accent-2) 34%);
}

.answer-btn.wrong {
  border-color: var(--danger);
  background: color-mix(in srgb, black 66%, var(--danger) 34%);
}

.typed-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.shop-btn {
  display: grid;
  gap: 4px;
  min-height: 58px;
  text-align: left;
}

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

.study-deck {
  display: grid;
  grid-template-columns: 34px minmax(0, 0.75fr) minmax(0, 1.25fr) minmax(0, 0.75fr) 34px;
  gap: 8px;
  align-items: center;
}

.study-deck.slide-left .study-card {
  animation: study-slide-left 180ms ease-out;
}

.study-deck.slide-right .study-card {
  animation: study-slide-right 180ms ease-out;
}

.study-count {
  display: grid;
  place-items: center;
  min-height: 64px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.study-count:first-child {
  grid-column: 1;
}

.study-count:last-child {
  grid-column: 5;
}

.study-card {
  display: grid;
  gap: 6px;
  min-height: 122px;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: color-mix(in srgb, black 82%, var(--panel) 18%);
  color: var(--text);
  text-align: center;
  opacity: 0.72;
  transform: scale(0.92);
}

.study-card-left {
  grid-column: 2;
}

.study-card-focus {
  grid-column: 3;
}

.study-card-right {
  grid-column: 4;
}

.study-card.is-focus {
  min-height: 152px;
  border-color: var(--accent);
  background: color-mix(in srgb, black 72%, var(--accent) 28%);
  opacity: 1;
  transform: none;
}

.study-card strong {
  font-size: 26px;
  line-height: 1.1;
}

.study-card.is-focus strong {
  font-size: 34px;
}

.study-card span {
  color: var(--text);
  font-weight: 800;
}

.study-card small {
  color: var(--muted);
  font-size: 11px;
}

.study-actions,
.practice-run-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

@keyframes study-slide-left {
  from {
    opacity: 0.25;
    transform: translateX(28px) scale(0.9);
  }
}

@keyframes study-slide-right {
  from {
    opacity: 0.25;
    transform: translateX(-28px) scale(0.9);
  }
}

.support-line {
  min-height: 24px;
  margin: 0;
}

.message.good { color: var(--accent-2); }
.message.bad { color: var(--danger); }

.practice-choice-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(4, 8, 14, 0.76);
}

.practice-choice-backdrop[hidden] {
  display: none;
}

.practice-choice-dialog {
  width: min(480px, 100%);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: color-mix(in srgb, black 78%, var(--panel) 22%);
  box-shadow: var(--shadow);
  padding: 18px;
}

.practice-choice-dialog h2 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.15;
}

.practice-choice-dialog p {
  margin: 0 0 14px;
  color: var(--muted);
}

.practice-choice-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.practice-choice-actions button {
  min-height: 44px;
  border-radius: 8px;
  padding: 8px 12px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

@media (max-width: 640px) {
  .game-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "map"
      "status"
      "battle"
      "question";
  }

  .answers-choices {
    grid-template-columns: 1fr;
  }

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

  .study-deck {
    grid-template-columns: 28px minmax(0, 1fr) 28px;
  }

  .study-count:last-child {
    grid-column: 3;
  }

  .study-card-focus {
    grid-column: 2;
  }

  .study-card:not(.is-focus) {
    display: none;
  }
}

@media (min-width: 641px) and (max-width: 1120px) {
  .game-layout {
    grid-template-columns: minmax(176px, 0.7fr) minmax(240px, 1fr) minmax(176px, 0.7fr);
  }

  .map-wrap {
    width: min(100%, 300px);
    padding: 8px;
  }

  .status-panel .panel-head,
  .battle-panel .panel-head,
  .health-row,
  .cooldown-row,
  .inventory,
  .enemy-readout {
    padding: 8px 10px;
  }

  .inventory {
    gap: 6px;
  }

  .inventory-head {
    display: grid;
    gap: 2px;
    font-size: 11px;
  }

  .item-list,
  .equipment-list {
    gap: 5px;
  }

  .item-btn strong {
    font-size: 16px;
  }

  .item-btn span {
    font-size: 9px;
  }

  .equip-slot {
    font-size: 9px;
    padding: 3px;
  }

  .enemy-meta span {
    font-size: 12px;
  }
}

@media (max-width: 900px) and (orientation: landscape), (min-width: 760px) and (max-height: 840px) {
  .shell {
    padding-top: 8px;
  }

  .map-wrap {
    width: min(100%, 360px);
    padding: 6px;
  }

  .map-grid {
    gap: 2px;
  }

  .panel-head,
  .health-row,
  .cooldown-row,
  .inventory,
  .enemy-readout,
  .question-panel .question-prompt,
  .answer-area,
  .support-line,
  .event-log {
    padding: 8px 10px;
  }

  .panel-head h2 {
    font-size: 16px;
    margin-top: 0;
  }

  .panel-label {
    font-size: 10px;
  }

  .health-row {
    gap: 5px;
  }

  .bar {
    height: 9px;
  }

  .event-log {
    display: none;
  }

  .answer-btn {
    min-height: 44px;
  }

  .answers-choices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .shop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .question-prompt {
    display: none;
  }

  .inventory {
    gap: 5px;
  }

  .inventory-head {
    font-size: 11px;
  }

}

@media (min-width: 760px) and (max-width: 1100px) and (max-height: 840px) {
  .map-wrap {
    width: min(100%, 240px);
  }
}