/* gomoku.css */

body {
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
}

.container {
  max-width: 630px;
}

h1 {
  color: #e0c080;
  font-size: 3rem;
  margin-bottom: 15px;
}

.status {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 15px;
  min-height: 1.8em;
}

.status .player {
  display: inline-block;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  vertical-align: middle;
  margin: 0 5px;
  border: 2px solid #555;
}

.status .player.black {
  background: #222;
}
.status .player.white {
  background: #eee;
}

.status .highlight {
  color: #4caf50;
  font-weight: bold;
  font-size: 1.5rem;
}

canvas {
  cursor: pointer;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  width: 100%;
  max-width: 630px;
  aspect-ratio: 1;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

.options {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-new {
  background: #4caf50;
  color: #fff;
}
.btn-new:hover {
  background: #45a049;
}

.btn-forbidden {
  background: rgba(255, 255, 255, 0.08);
  color: #999;
  border: 1px solid #555;
  padding: 8px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-forbidden.on {
  background: #e67e22;
  color: #fff;
  border-color: #e67e22;
}

.btn-forbidden:hover {
  border-color: #e67e22;
  color: #e67e22;
}
.btn-forbidden.on:hover {
  opacity: 0.9;
  color: #fff;
}

.btn-ai {
  background: rgba(255, 255, 255, 0.08);
  color: #999;
  border: 1px solid #555;
  padding: 8px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ai.on {
  background: #3498db;
  color: #fff;
  border-color: #3498db;
}

.btn-ai:hover {
  border-color: #3498db;
  color: #3498db;
}
.btn-ai.on:hover {
  opacity: 0.9;
  color: #fff;
}

.btn-color {
  background: rgba(255, 255, 255, 0.08);
  color: #999;
  border: 1px solid #555;
  padding: 8px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-color:hover {
  border-color: #9b59b6;
  color: #9b59b6;
}

.btn-undo {
  background: rgba(255, 255, 255, 0.08);
  color: #ccc;
  border: 1px solid #555;
}

.btn-undo:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #888;
}

.game-over-overlay {
  background: rgba(0, 0, 0, 0.7);
}

.game-over-box {
  background: #1a1a2e;
  border: 2px solid #e0c080;
  color: #fff;
}

@media (max-width: 500px) {
  h1 {
    font-size: 2rem;
  }
  .status {
    font-size: 1.1rem;
  }
  .info {
    font-size: 0.8rem;
  }
  .btn {
    padding: 8px 20px;
    font-size: 0.9rem;
  }
}