/* 作答頁：沿用 login.css，這裡只補它沒有的元件（以手機為主） */
[hidden] {
  display: none !important;
}

/* ==========================================
   四組總分：固定在最上方，捲動也看得到
   ========================================== */
.score-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  /* 寬螢幕時四格維持在中間 480px 內 */
  padding: 8px max(8px, calc((100% - 480px) / 2));
  background-color: var(--mc-bedrock);
  border-bottom: 4px solid var(--mc-stone);
}

.score-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 6px 2px;
  background-color: #000000;
  border: 3px solid var(--mc-stone);
  color: #dddddd;
  font-size: 0.75rem;
}

.score-cell strong {
  color: var(--mc-gold);
  font-size: 1.1rem;
  text-shadow: 2px 2px 0 #554e00;
}

/* 自己那組 */
.score-cell.mine {
  border-color: var(--mc-gold);
}

/* ==========================================
   主內容：由上往下排，不垂直置中
   ========================================== */
.play-container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 12px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.play-container .login-card {
  max-width: none;
}

/* 卡片頂端：左上角題號、中間組別與名字、右上角登出。欄位固定，題號藏起來時名字也不會跑位 */
.play-head {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: 8px;
}

.play-head .round-no {
  grid-column: 1;
  justify-self: start;
}

.player-label {
  grid-column: 2;
  margin: 0;
  text-align: center;
  font-size: 0.9rem;
  color: #dddddd;
  text-shadow: 1px 1px 0 var(--mc-border);
  word-break: break-all;
}

.play-head .icon-btn {
  grid-column: 3;
  justify-self: end;
}

/* 題號：小小的黑底金字 */
.round-no {
  min-width: 26px;
  padding: 4px 5px;
  background-color: #000000;
  border: 2px solid var(--mc-stone);
  color: var(--mc-gold);
  font-size: 0.75rem;
  line-height: 1;
  text-align: center;
  text-shadow: 1px 1px 0 #554e00;
}

/* 登出：只有圖示的方形按鈕 */
.icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  padding: 0;
  background-color: var(--mc-btn-gray);
  border: 3px solid var(--mc-border);
  box-shadow: inset -3px -3px 0 #3a3a3a,
              inset 3px 3px 0 #b8b8b8;
  color: #ffffff;
  cursor: pointer;
}

.icon-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.icon-btn:active {
  transform: translateY(2px);
}

.answer-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.answer-form .mc-button {
  margin-top: 0;
}

.submitted {
  margin: 0;
  text-align: center;
  font-size: 0.85rem;
  line-height: 1.6;
  word-break: break-all;
}

/* ==========================================
   跑馬燈
   ========================================== */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  background-color: #000000;
  border-bottom: 4px solid var(--mc-stone);
  color: var(--mc-gold);
  padding: 10px 0;
  font-size: 0.95rem;
  text-shadow: 2px 2px 0 #554e00;
}

.marquee span {
  display: inline-block;
  padding-left: 100%;
  animation: marquee 15s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

/* ==========================================
   收卷後的解答：最新一題縮圖放大，舊的縮圖在左邊
   ========================================== */
.history {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-item {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 10px 12px;
  align-items: start;
  padding: 12px;
  background-color: var(--mc-dirt-light);
  border: 4px solid var(--mc-border);
  box-shadow: inset -4px -4px 0 var(--mc-dirt-dark),
              inset 4px 4px 0 #a27856;
}

.history-item:first-child,
.history-item.no-thumb {
  grid-template-columns: 1fr;
}

/* 題號疊在縮圖左上角 */
.history-media {
  position: relative;
}

.history-media .round-no {
  position: absolute;
  top: 3px;
  left: 3px;
}

.history-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: #000000;
  border: 3px solid var(--mc-border);
}

.history-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

/* 沒有縮圖時，題號在文字最上面 */
.history-body > .round-no {
  align-self: flex-start;
}

.history-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 2px;
  font-size: 0.85rem;
  line-height: 1.5;
  word-break: break-word;
}

.history-row .tag {
  flex: none;
  margin-right: 6px;
  padding: 1px 4px;
  background-color: rgba(0, 0, 0, 0.35);
  color: #dddddd;
  font-size: 0.7rem;
}

.history-row .sep {
  color: #bbbbbb;
}

.history-row .key {
  color: var(--mc-gold);
  text-shadow: 1px 1px 0 #554e00;
}

.history-row .hit {
  color: #9be86a;
}

.history-row .miss {
  color: #ff8a8a;
}

.history-groups {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  font-size: 0.7rem;
  text-align: center;
}

.history-groups span {
  padding: 4px 0;
  background-color: rgba(0, 0, 0, 0.35);
  border: 2px solid transparent;
}

.history-groups .mine {
  border-color: var(--mc-gold);
}

/* ==========================================
   手機
   ========================================== */
@media (max-width: 480px) {
  .top-header {
    padding: 10px;
    border-bottom-width: 4px;
  }

  .header-title {
    font-size: 1.1rem;
  }

  .play-container .login-card {
    padding: 18px 14px;
    gap: 14px;
  }

  .login-title {
    font-size: 1.1rem;
  }

  .marquee {
    font-size: 0.85rem;
  }
}