/* ==== 基礎リセット ==== */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", "Meiryo", system-ui, sans-serif;
  color: #f3ead4;
  background: radial-gradient(ellipse at top, #2a1d12 0%, #120a06 80%);
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ==== トップバー ==== */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  background: linear-gradient(180deg, #3a261688 0%, #1c0f0788 100%);
  border-bottom: 1px solid #6b4a2a55;
}
.topbar h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  color: #f1d79b;
  letter-spacing: 0.05em;
}
.score-display {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  color: #ead7a8;
}
.score-display .score-sep { color: #8a6a44; }
.match-length {
  margin-left: 12px;
  padding: 2px 8px;
  border: 1px solid #6b4a2a;
  border-radius: 999px;
  font-size: 12px;
  color: #c8a864;
}

.topbar-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

/* ==== ボタン ==== */
.btn {
  appearance: none;
  border: 1px solid #7a5430;
  background: linear-gradient(180deg, #4a3018 0%, #2c1a0c 100%);
  color: #f3ead4;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.05s, background 0.15s, opacity 0.15s;
}
.btn:hover { background: linear-gradient(180deg, #5a3c20 0%, #34200f 100%); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary {
  border-color: #c79b50;
  background: linear-gradient(180deg, #c79b50 0%, #8a6a30 100%);
  color: #1c0f07;
  font-weight: 600;
}
.btn-primary:hover { background: linear-gradient(180deg, #d8ac60 0%, #997b3a 100%); }
.btn-ghost {
  background: transparent;
  border-color: #6b4a2a;
}
.btn-ghost:hover { background: #3a261644; }

/* ==== 盤面エリア ==== */
.board-area {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
/* 盤面: 表示サイズは JS の dprScale で均等スケール計算 (アスペクト比 1000:640 厳守) */
#board {
  display: block;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.6));
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
}

.turn-banner {
  position: absolute;
  top: 36px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(20, 12, 6, 0.85);
  border: 1px solid #c79b50;
  color: #f3ead4;
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 14px;
  pointer-events: none;
}

/* ==== ダブリングキューブ (DOM オーバーレイ) ==== */
.cube-display {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(180deg, #fff1c0 0%, #c79b50 50%, #8a6420 100%);
  color: #1c0f07;
  border: 2px solid #3a2614;
  border-radius: 8px;
  padding: 4px 14px;
  min-width: 56px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5),
              inset 0 1px 0 rgba(255, 255, 255, 0.5);
  font-family: inherit;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.cube-display .cube-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  opacity: 0.8;
  margin-bottom: 1px;
}
.cube-display .cube-value {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}
.cube-display .cube-owner {
  font-size: 10px;
  font-weight: 600;
  margin-top: 2px;
  opacity: 0.8;
}
.cube-display.owner-white { border-color: #f3ead4; box-shadow: 0 0 0 2px #f3ead488, 0 6px 16px rgba(0,0,0,0.5); }
.cube-display.owner-black { border-color: #1a120a; box-shadow: 0 0 0 2px #5a4a3088, 0 6px 16px rgba(0,0,0,0.5); }
.cube-display.focus {
  animation: cubePulse 1.4s ease-in-out infinite;
}
@keyframes cubePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 215, 100, 0.7), 0 6px 16px rgba(0,0,0,0.5); }
  50%      { box-shadow: 0 0 0 10px rgba(255, 215, 100, 0), 0 6px 16px rgba(0,0,0,0.5); }
}
.hidden { display: none !important; }

/* ==== チュートリアル吹き出し ==== */
.tutorial-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}
/* 吹き出し配置:
   - 広い画面 (>=1500px): キャンバス右側のがら空きスペースにドック
   - 狭い画面 (<1500px):  盤面上部にコンパクト表示
   いずれの場合もキャンバス本体には重ならない。 */
.tutorial-bubble {
  pointer-events: auto;
  position: absolute;
  /* default = 上部コンパクト (narrow screens fallback) */
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: min(440px, calc(100% - 48px));
  max-height: 35vh;
  background: linear-gradient(180deg, #2a1d12f5, #120a06f5);
  border: 1px solid #c79b50;
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.tutorial-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: auto;
  padding-top: 10px;
}

/* キャンバス幅 1000px + 余白 250px*2 = 1500px 以上ある時は右側ドックに切替 */
@media (min-width: 1500px) {
  .tutorial-bubble {
    top: 50%;
    left: auto;
    right: 16px;
    transform: translateY(-50%);
    width: min(340px, calc((100vw - 1024px) / 2 - 32px));
    max-height: calc(100% - 48px);
  }
}
.tutorial-title {
  font-size: 13px;
  color: #c79b50;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.tutorial-text {
  font-size: 15px;
  line-height: 1.7;
  color: #f3ead4;
  white-space: pre-line;
}
.tutorial-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

/* ==== モーダル ==== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.modal-card {
  background: linear-gradient(180deg, #2a1d12 0%, #1c0f07 100%);
  border: 1px solid #6b4a2a;
  border-radius: 12px;
  padding: 28px 32px;
  width: min(560px, calc(100% - 48px));
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.7);
}
.modal-card.narrow { width: min(420px, calc(100% - 48px)); }
.modal-card h2 {
  margin: 0 0 8px 0;
  font-size: 22px;
  color: #f1d79b;
}
.modal-lead {
  margin: 0 0 16px 0;
  color: #c8b48a;
  font-size: 14px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 24px;
}

/* ==== モードタブ ==== */
.mode-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid #6b4a2a55;
}
.mode-tab {
  appearance: none;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 16px;
  color: #c8b48a;
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
}
.mode-tab.active {
  color: #f1d79b;
  border-bottom-color: #c79b50;
}

/* ==== セグメンテッドコントロール ==== */
.form-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.form-row > label {
  flex: 0 0 80px;
  color: #c8b48a;
  font-size: 14px;
}
.seg-control {
  display: flex;
  border: 1px solid #6b4a2a;
  border-radius: 6px;
  overflow: hidden;
  flex: 1;
}
.seg-control button {
  flex: 1;
  appearance: none;
  background: transparent;
  border: none;
  border-right: 1px solid #6b4a2a;
  color: #c8b48a;
  font-family: inherit;
  font-size: 14px;
  padding: 8px 4px;
  cursor: pointer;
}
.seg-control button:last-child { border-right: none; }
.seg-control button.active {
  background: linear-gradient(180deg, #c79b50 0%, #8a6a30 100%);
  color: #1c0f07;
  font-weight: 600;
}

/* ==== レッスンリスト ==== */
.lesson-list {
  list-style: none;
  margin: 0 0 8px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.lesson-list li {
  padding: 8px 12px;
  background: #1c0f07;
  border: 1px solid #6b4a2a55;
  border-radius: 6px;
  font-size: 14px;
  color: #c8b48a;
}
.lesson-list li::before {
  content: "▸ ";
  color: #c79b50;
}

/* ==== 実績トースト ==== */
.ach-toast {
  position: fixed;
  top: 80px;
  right: 24px;
  display: flex;
  gap: 12px;
  align-items: center;
  background: linear-gradient(180deg, #2a1d12f5, #120a06f5);
  border: 1px solid #c79b50;
  border-radius: 10px;
  padding: 12px 18px;
  color: #f3ead4;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  z-index: 30;
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.4);
}
.ach-toast.show { transform: translateX(0); }
.ach-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ffd764, #c79b50);
  color: #1c0f07;
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ach-title { color: #ffd764; font-weight: 600; font-size: 14px; }
.ach-desc  { color: #c8b48a; font-size: 12px; margin-top: 2px; }

/* ==== 着手品質バッジ ==== */
.quality-badge {
  position: fixed;
  top: 110px;
  left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: rgba(20, 12, 6, 0.92);
  border: 2px solid currentColor;
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  pointer-events: none;
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.2, 0.9, 0.3, 1.4);
  z-index: 8;
}
.quality-badge.show {
  opacity: 1;
  transform: translateX(-50%) scale(1);
  animation: badgePulse 2s ease-out forwards;
}
@keyframes badgePulse {
  0%   { opacity: 0; transform: translateX(-50%) scale(0.6); }
  10%  { opacity: 1; transform: translateX(-50%) scale(1.15); }
  20%  { transform: translateX(-50%) scale(1); }
  85%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) scale(1); }
}

/* ==== レビュー画面 ==== */
.review-bar {
  display: flex;
  height: 24px;
  border-radius: 12px;
  overflow: hidden;
  margin: 12px 0;
  background: #1c0f07;
}
.review-seg { transition: flex-basis 0.3s; }
.review-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
  color: #c8b48a;
}
.review-list li b { color: #f3ead4; }

/* ==== ストーリーメニュー ==== */
.story-card {
  background: #1c0f07;
  border: 1px solid #6b4a2a;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 8px;
}
.story-card h3 { margin: 0 0 4px 0; color: #f1d79b; font-size: 16px; }
.story-card .ch-meta { color: #c8b48a; font-size: 12px; }
.story-card.locked { opacity: 0.4; }
.story-card.cleared::after {
  content: " ✓ クリア済";
  color: #7eff8c;
  font-size: 12px;
  font-weight: 600;
}

/* ==== 実績ペイン (メニュー内) ==== */
.ach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 4px;
}
.ach-tile {
  background: #1c0f07;
  border: 1px solid #6b4a2a55;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 12px;
}
.ach-tile.locked { opacity: 0.5; }
.ach-tile.locked::before { content: "🔒 "; }
.ach-tile.unlocked::before { content: "★ "; color: #ffd764; }
.ach-tile-name { font-weight: 600; color: #f1d79b; }
.ach-tile-desc { color: #c8b48a; margin-top: 2px; }

/* ==== ペルソナリスト (ストーリーペイン用) ==== */
.persona-row { display: flex; gap: 12px; align-items: center; }