body {
  margin: 0;
  background: #f4f1e8;
  font-family: "Noto Serif TC", serif;
  user-select: none;
}

#controlBar{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 20px;
  border-bottom:2px solid #333;
  background:#fdfbf4;
  font-size:16px;
}

#statusText{
  margin-left:auto;
  font-size:14px;
  opacity:0.85;
}

#game {
  width: 1200px;
  height: 800px;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* === 記憶畫面 === */
#memoryScreen {
  position: absolute;
  inset: 0;
  color: Black;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 32px;
  z-index: 10;
}

#memoryTimerBar {
  width: 80%;
  height: 8px;
  background: white;
  margin-top: 20px;
  position: relative;
}

#memoryTimerFill {
  height: 100%;
  width: 100%;
  background: gold;
}

/* === 上句區 === */
#upperArea {
  height: 150px;
  text-align: center;
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-top: 3px solid #333;
  border-bottom: 3px solid #333;
}

/* 回合倒數線 */
.timerLine {
  position: absolute;
  height: 4px;
  background: crimson;
  width: 100%;
  transition: width 5s linear;
}

#topTimer {
  top: 0;
}

#bottomTimer {
  bottom: 0;
}

/* === 棋盤區 === */
.board {
  display: grid;
  gap: 8px;
  padding: 10px 40px;
  flex: 1;
}

.card {
  background: #fff;
  border: 2px solid #333;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8px;
  cursor: pointer;
  transition: 0.1s;
  overflow: hidden;          /* 不要溢出 */
  word-break: break-word;    /* 中文也能斷行 */
  line-height: 1.3;
}

.card:hover {
  background: #ffe;
}

.aiCard {
  transform: rotate(180deg);
  background: #f8f8f8;
}

/* 電腦游標 */
#aiCursor {
  width: 24px;
  height: 24px;
  position: absolute;
  pointer-events: none;
  background: red;
  border-radius: 50%;
  opacity: 0.8;
  transition: 0.4s ease;
}