:root {
  --color-bg: #f5f1e8;
  --color-panel: #ffffff;
  --color-border: #d8cdb8;
  --color-accent: #a6673a;
  --color-accent-dark: #7d4b28;
  --color-danger: #b3392c;
  --color-text: #2b2521;
  --color-muted: #6b6259;
  --radius: 10px;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-tap-highlight-color: transparent;
}

#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px;
  padding-bottom: 80px;
}

h1 {
  font-size: 1.5rem;
  margin: 0.4em 0;
}

/* 画面を圧迫せず、見出し構造を支援技術へ伝えるための標準的な非表示方法 */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

h2 {
  font-size: 1.1rem;
  margin: 1.2em 0 0.5em;
  border-left: 4px solid var(--color-accent);
  padding-left: 8px;
}

.subtitle {
  color: var(--color-muted);
  line-height: 1.6;
}

.new-game-banner {
  display: block;
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid var(--color-border);
}

/* 建物イラスト（写実イラスト調）のサムネイル */
.building-thumb {
  display: block;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  flex-shrink: 0;
}

.building-thumb--sm {
  width: 40px;
  height: 32px;
  vertical-align: -9px;
  margin-right: 2px;
}

.building-thumb--md {
  width: 100%;
  height: 84px;
  margin-bottom: 6px;
}

.btn {
  font-size: 1rem;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  color: var(--color-text);
  cursor: pointer;
  min-height: 44px;
}

.btn:hover {
  background: #f0e9dc;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent-dark);
  font-weight: bold;
}

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

.btn-large {
  width: 100%;
  font-size: 1.15rem;
  padding: 16px;
  margin: 12px 0;
}

.btn-small {
  font-size: 0.85rem;
  padding: 6px 10px;
  min-height: 36px;
}

.btn-danger {
  color: var(--color-danger);
}

.btn-action {
  width: 100%;
  margin-top: 6px;
}

.btn-building-choice {
  display: block;
  width: 100%;
  text-align: left;
  margin-top: 4px;
}

.btn-restart {
  display: block;
  margin: 20px auto;
}

.label-mobile,
.header-summary-mobile,
.top-bar-pending-mobile,
.btn-build-picker {
  display: none;
}

/* ---------- new game screen ---------- */

.seat-config {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.seat-row {
  display: grid;
  grid-template-columns: 3em 1fr 6em 2.4em;
  gap: 6px;
  align-items: center;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px;
}

.seat-label {
  font-weight: bold;
  color: var(--color-muted);
}

.seat-name-input,
.seat-kind-select {
  padding: 8px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
  min-height: 40px;
}

.seat-config-actions {
  margin: 10px 0;
}

.rules-summary {
  margin-top: 20px;
  color: var(--color-muted);
}

.rules-summary li {
  margin: 4px 0;
}

/* ---------- game screen ---------- */

/* プレイヤーの手持ち資源を常に画面上部に表示するスティッキーバー。
   行動のたびに下の内容が再描画されて多少レイアウトが動いても、資源の増減はここで常に確認できる。 */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--color-panel);
  border-bottom: 2px solid var(--color-accent);
  margin: -12px -12px 10px -12px;
  padding: 8px 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.top-bar-round {
  font-weight: bold;
  font-size: 0.85rem;
  color: var(--color-accent-dark);
  margin-bottom: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: baseline;
  transition: color 0.3s ease;
}

.top-bar-round--flash {
  color: var(--color-danger);
}

.top-bar-pending-total {
  font-weight: normal;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.top-bar-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.player-chip {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 0.8rem;
  min-width: 120px;
}

.player-chip--current {
  border: 2px solid var(--color-accent);
  background: #fff8ee;
}

.player-chip-name {
  font-weight: bold;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-chip-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--color-muted);
}

.chip-stat {
  white-space: nowrap;
}

.player-chip-pending {
  margin-top: 2px;
  font-size: 0.75rem;
  white-space: nowrap;
}

.player-chip-pending--active {
  color: var(--color-accent-dark);
  font-weight: bold;
}

.player-chip-pending--done {
  color: var(--color-muted);
}

.header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.header-item {
  padding: 4px 8px;
}

.current-turn {
  font-weight: bold;
  color: var(--color-accent-dark);
}

.game-over-banner {
  background: var(--color-accent);
  color: white;
  padding: 16px;
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: 12px;
}

/* ---------- action board visual polish（戻す場合はこのブロックとaction-occupant描画を外す） ---------- */

.action-board {
  padding: 10px;
  border: 1px solid #d5c7ae;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(239, 228, 208, 0.55)),
    var(--color-bg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.action-board > h2 {
  margin-top: 0.2em;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

.action-card {
  --action-accent: #9a8068;
  --action-tint: #f4efe9;
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--action-accent);
  border-radius: var(--radius);
  padding: 10px;
  box-shadow: 0 2px 5px rgba(76, 58, 39, 0.07);
}

.action-card--gatherFood {
  --action-accent: #5d9764;
  --action-tint: #edf7ee;
}

.action-card--work {
  --action-accent: #bb8335;
  --action-tint: #fbf3e2;
}

.action-card--market {
  --action-accent: #4f86b2;
  --action-tint: #edf5fb;
}

.action-card--grow {
  --action-accent: #b96786;
  --action-tint: #faedf3;
}

.action-card--build {
  --action-accent: #92613f;
  --action-tint: #f7eee7;
}

.action-card--startPlayer {
  --action-accent: #c39a2f;
  --action-tint: #fff8df;
}

.action-card--dayLabor {
  --action-accent: #768391;
  --action-tint: #eff3f5;
}

.action-card--occupied {
  opacity: 0.84;
  background: color-mix(in srgb, var(--action-tint) 42%, white);
}

.action-card--occupied .action-card-title {
  padding-right: 42%;
}

.action-card--locked {
  background: #ececec;
  opacity: 0.55;
  filter: grayscale(0.6);
}

.action-lock-icon {
  margin-left: auto;
}

.action-status--locked {
  color: var(--color-muted);
  font-style: italic;
}

.action-board-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.action-card-title {
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.action-occupant {
  position: absolute;
  top: 5px;
  right: 5px;
  overflow: hidden;
  max-width: 42%;
  padding: 2px 6px;
  border-radius: 999px;
  color: white;
  font-size: 0.68rem;
  font-weight: bold;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
}

.action-occupant--p1 { background: #3476ad; }
.action-occupant--p2 { background: #b34f4f; }
.action-occupant--p3 { background: #7652a7; }
.action-occupant--p4 { background: #c4782f; }

.action-icon {
  font-size: 1.2rem;
}

.action-amount {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  max-width: 100%;
  padding: 2px 7px;
  border: 1px solid color-mix(in srgb, var(--action-accent) 28%, transparent);
  border-radius: 999px;
  background: var(--action-tint);
  font-size: 0.9rem;
  color: var(--color-muted);
}

.action-status {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 6px;
  min-height: 1.2em;
}

.action-status--warn {
  color: var(--color-danger);
}

.building-choice-list {
  margin-top: 6px;
}

.btn-building-choice--illustrated {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  margin-bottom: 6px;
}

.btn-building-choice-label {
  flex: 1;
  line-height: 1.4;
}

/*
 * 建物の場所は常に全建物を固定件数で表示する（買えるものだけを出し入れすると
 * カードの高さが手番ごとに変わってしまうため）。件数が多いため一定の高さで
 * スクロールさせ、盤面全体のガタつきを防ぐ。
 */
.building-choice-list--scroll {
  max-height: 232px;
  overflow-y: auto;
}

/* スマホの建築アクションから開く、建物の費用・得点・効果をまとめた下部パネル */
.build-picker-overlay {
  position: fixed;
  inset: 0;
  z-index: 140;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 12px;
  background: rgba(0, 0, 0, 0.55);
}

.build-picker-sheet {
  width: min(720px, 100%);
  max-height: min(86dvh, 760px);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--color-bg);
  border-radius: 16px 16px 10px 10px;
  padding: 12px;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.22);
}

.build-picker-head {
  position: sticky;
  top: -12px;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin: -12px -12px 10px;
  padding: 12px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.build-picker-head h2 {
  margin: 0;
}

.build-picker-subtitle {
  margin-top: 3px;
  color: var(--color-muted);
  font-size: 0.75rem;
}

.build-picker-close {
  flex: 0 0 44px;
  font-size: 1.25rem;
}

.build-picker-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.build-picker-card {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  width: 100%;
  min-width: 0;
  min-height: 112px;
  padding: 7px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  background: var(--color-panel);
  color: var(--color-text);
  text-align: left;
  font: inherit;
}

.build-picker-card:not(:disabled) {
  border-color: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 0 0 2px rgba(166, 103, 58, 0.12);
}

.build-picker-card:disabled {
  opacity: 0.62;
}

.build-picker-card-main {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
  font-size: 0.76rem;
}

.build-picker-cost {
  white-space: nowrap;
  color: var(--color-accent-dark);
  font-weight: bold;
}

.build-picker-effect {
  color: var(--color-muted);
  font-size: 0.69rem;
  line-height: 1.35;
}

.build-picker-status {
  align-self: flex-start;
  margin-top: auto;
  padding: 1px 5px;
  border-radius: 999px;
  background: #e7dfd1;
  color: var(--color-danger);
  font-size: 0.65rem;
  font-weight: bold;
}

.players-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.player-card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px;
}

.player-card--current {
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 0 3px rgba(166, 103, 58, 0.15);
}

.player-card-title {
  font-weight: bold;
  margin-bottom: 6px;
}

.player-stat {
  font-size: 0.88rem;
  margin: 2px 0;
}

.player-stat--warn {
  color: var(--color-danger);
  font-weight: bold;
}

.player-stat-buildings {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.buildings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}

.buildings-reference-summary {
  margin: 1.2em 0 0.5em;
  border-left: 4px solid var(--color-accent);
  padding-left: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  list-style: none;
}

.buildings-reference-summary::-webkit-details-marker {
  display: none;
}

details.buildings-reference:not([open]) > .buildings-grid {
  display: grid;
}

.building-ref-card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px;
  font-size: 0.85rem;
}

.building-ref-title {
  font-weight: bold;
  margin-bottom: 2px;
}

.building-ref-desc {
  color: var(--color-muted);
  margin-top: 4px;
}

.history-panel {
  margin-top: 10px;
}

.history-list {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px 12px;
  max-height: 220px;
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.7;
}

.history-entry--marker {
  color: var(--color-accent-dark);
  font-weight: bold;
  margin-top: 6px;
}

/* ---------- tutorial overlay ---------- */

.tutorial-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.tutorial-box {
  background: var(--color-panel);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 420px;
  width: 100%;
}

.tutorial-box ol {
  padding-left: 1.2em;
  line-height: 1.8;
}

/* ---------- ラウンド開始ポップアップ（2ラウンド目以降、OKボタンを押すまでゲームを止める） ---------- */

.round-start-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 110;
}

.round-start-box {
  background: var(--color-panel);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.round-start-box h2 {
  margin-top: 0;
  border-left: none;
  padding-left: 0;
}

.round-start-unlocks {
  color: var(--color-muted);
  line-height: 1.6;
}

.round-start-remaining {
  margin: 8px 0;
  color: var(--color-accent-dark);
  font-weight: bold;
}

.round-start-box .btn {
  margin-top: 8px;
  min-width: 120px;
}

/* ---------- dev panel ---------- */

#dev-panel {
  position: fixed;
  bottom: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.85);
  color: #9cff9c;
  font-size: 0.7rem;
  padding: 8px;
  max-width: 320px;
  max-height: 200px;
  overflow: auto;
  z-index: 50;
}

/* ---------- アニメーション演出（ワーカー移動・資源増減） ----------
   毎回DOMを作り直す方式のため、演出は document.body 直下に一時的な
   浮動要素を生成し、position: fixed + CSSトランジションで動かす方式にしている
   （src/ui/animate.ts 参照）。 */

.fx-worker-token {
  position: fixed;
  transform: translate(-50%, -50%) scale(1);
  font-size: 1.4rem;
  opacity: 1;
  pointer-events: none;
  z-index: 500;
  transition: left 0.65s ease, top 0.65s ease, transform 0.65s ease, opacity 0.65s ease;
  will-change: left, top, transform, opacity;
}

.fx-delta-badge {
  position: fixed;
  transform: translate(-50%, 0);
  pointer-events: none;
  z-index: 500;
  font-weight: bold;
  font-size: 0.95rem;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
  opacity: 0;
}

.fx-delta-badge--up {
  color: #1c7a3a;
}

.fx-delta-badge--down {
  color: var(--color-danger);
}

.fx-delta-badge--play {
  animation: fx-rise-fade 1.05s ease-out forwards;
}

@keyframes fx-rise-fade {
  0% {
    transform: translate(-50%, 0);
    opacity: 0;
  }
  15% {
    opacity: 1;
    transform: translate(-50%, -8px);
  }
  75% {
    opacity: 1;
    transform: translate(-50%, -30px);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -40px);
  }
}

/* ---------- responsive ---------- */

@media (max-width: 600px) {
  #app {
    padding: 6px;
    padding-bottom: 56px;
  }

  .seat-row {
    grid-template-columns: 1fr;
  }

  .label-desktop,
  .header-item,
  .top-bar-round-num,
  .top-bar-pending-total,
  .building-choice-list--build-inline {
    display: none;
  }

  .label-mobile,
  .header-summary-mobile,
  .top-bar-pending-mobile,
  .btn-build-picker {
    display: inline;
  }

  .top-bar {
    margin: -6px -6px 5px;
    padding: 5px 6px;
  }

  .top-bar-round {
    margin-bottom: 3px;
    font-size: 0.68rem;
  }

  .top-bar-chips {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
  }

  .player-chip {
    min-width: 0;
    padding: 3px 5px;
    font-size: 0.69rem;
  }

  .player-chip-stats {
    gap: 4px;
    flex-wrap: nowrap;
    font-size: 0.67rem;
  }

  .player-chip-pending {
    overflow: hidden;
    margin-top: 0;
    font-size: 0.6rem;
    text-overflow: ellipsis;
  }

  .header {
    display: block;
    margin-bottom: 5px;
    padding: 5px 6px;
    border-radius: 7px;
  }

  .header-summary-mobile {
    display: block;
    overflow: hidden;
    width: 100%;
    color: var(--color-accent-dark);
    font-size: clamp(0.62rem, 2.65vw, 0.73rem);
    font-weight: bold;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .action-board h2 {
    margin: 0.45em 0 0.3em;
    font-size: 0.95rem;
  }

  .action-board {
    padding: 5px;
    border-radius: 9px;
  }

  .action-board-note {
    display: none;
  }

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

  .action-card {
    display: flex;
    min-width: 0;
    min-height: 100px;
    flex-direction: column;
    padding: 5px;
    border-top-width: 3px;
    border-radius: 7px;
  }

  .action-card-title {
    min-width: 0;
    gap: 2px;
    margin-bottom: 2px;
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .action-card-title .label-mobile {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .action-icon {
    font-size: 0.92rem;
  }

  .action-lock-icon {
    font-size: 0.68rem;
  }

  .action-amount {
    min-height: 1.35em;
    padding: 1px 5px;
    font-size: 0.68rem;
    font-weight: bold;
    line-height: 1.2;
  }

  .action-occupant {
    top: 3px;
    right: 3px;
    padding: 1px 4px;
    font-size: 0.55rem;
  }

  .action-status {
    overflow: hidden;
    min-height: 1.05em;
    margin-top: 2px;
    font-size: 0.6rem;
    line-height: 1.05;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .action-card .btn-action {
    min-height: 31px;
    margin-top: auto;
    padding: 3px 2px;
    border-radius: 6px;
    font-size: 0.68rem;
  }

  .action-card .building-choice-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px;
    margin-top: auto;
  }

  .action-card .building-choice-list--build-inline {
    display: none;
  }

  .action-card .btn-building-choice {
    min-width: 0;
    margin-top: 0;
    text-align: center;
  }

  .btn-build-picker {
    width: 100%;
  }

  .players-grid,
  .buildings-grid {
    grid-template-columns: 1fr;
  }

  .buildings-reference-summary {
    cursor: pointer;
  }

  .buildings-reference-summary::after {
    content: '＋ 効果を開く';
    float: right;
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: normal;
  }

  .buildings-reference[open] .buildings-reference-summary::after {
    content: '－ 閉じる';
  }

  details.buildings-reference:not([open]) > .buildings-grid {
    display: none;
  }
}

@media (max-width: 340px) {
  .action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}