/*
  ファイル名: style.css
  役割: 迷路ゲームのUIレイアウト・ボタン・Canvas表示のスタイルを管理する。
*/

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #111;
  color: #f2f2f2;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px;
}

.panel {
  background: #1b1b1b;
  border: 1px solid #333;
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 12px;
}

.panel h1 {
  margin: 0 0 6px 0;
  font-size: 20px;
}

.note {
  margin: 0;
  color: #ccc;
  font-size: 13px;
  line-height: 1.4;
}

.controls .row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

button {
  border: 1px solid #555;
  background: #2a2a2a;
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
}

button:active {
  transform: scale(0.98);
}

input[type="range"] {
  flex: 1;
  min-width: 180px;
}

.status-grid {
  display: grid !important;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
  font-size: 13px;
  color: #ddd;
}

.message {
  margin-top: 8px;
  padding: 8px;
  border-radius: 8px;
  background: #242424;
  border: 1px solid #3a3a3a;
  font-size: 13px;
  line-height: 1.5;
}

.canvas-panel {
  display: flex;
  justify-content: center;
  align-items: center;
}

#gameCanvas {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 9 / 16;
  background: #0a0a0a;
  border: 1px solid #444;
  border-radius: 8px;
  display: block;
}

.fallback-grid {
  display: grid;
  grid-template-columns: 60px 60px 60px;
  gap: 8px;
  justify-content: center;
  align-items: center;
  margin-top: 8px;
}

.fb-btn {
  width: 60px;
  height: 44px;
  font-size: 18px;
}

@media (max-width: 420px) {
  .panel h1 {
    font-size: 18px;
  }
  button {
    font-size: 13px;
    padding: 8px 10px;
  }
}