/* 单词消消乐游戏样式 */

/* 游戏容器 */
.wordremove-game {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    overflow: auto;
}

/* 轮次信息 */
.round-info {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.round-counter,
.pairs-counter {
    font-size: 18px;
    font-weight: bold;
    color: #667eea;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.round-counter {
    flex: 1;
    text-align: left;
}

.pairs-counter {
    flex: 1;
    text-align: right;
}

/* 合并后的卡片区域 */
.merged-cards-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    justify-content: center;
    align-content: flex-start;
    overflow: visible;
}

/* 卡片基础样式 */
.card {
    width: auto;
    min-width: 80px;
    max-width: none;
    min-height: 80px;
    padding: 15px 20px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

/* 单词卡片背景 */
.card-word {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* 释义卡片背景 */
.card-meaning {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* 选中状态 */
.card.selected {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    border: 3px solid #ffd700;
}

/* 匹配成功状态 */
.card.matched {
    animation: matchSuccess 0.5s ease-out forwards;
    pointer-events: none;
}

/* 错误状态 */
.card.error {
    animation: wrongShake 0.5s ease-in-out;
    border: 3px solid #ff0000;
}

/* 媒体查询 - 平板设备 */
@media (max-width: 1024px) {
    .round-info {
        padding: 12px 15px;
        margin-bottom: 15px;
    }
    
    .round-counter,
    .pairs-counter {
        font-size: 16px;
    }
    
    .merged-cards-container {
        gap: 12px;
        padding: 15px;
    }
    
    .card {
        min-height: 70px;
        padding: 12px 15px;
        font-size: 14px;
    }
}

/* 媒体查询 - 手机设备 */
@media (max-width: 768px) {
    .round-info {
        padding: 10px 12px;
        margin-bottom: 12px;
    }
    
    .round-counter,
    .pairs-counter {
        font-size: 14px;
    }
    
    .merged-cards-container {
        gap: 10px;
        padding: 10px;
    }
    
    .card {
        min-height: 60px;
        padding: 10px 12px;
        font-size: 12px;
        border-radius: 12px;
    }
}

/* 媒体查询 - 小屏幕手机 */
@media (max-width: 480px) {
    .round-info {
        padding: 8px 10px;
        margin-bottom: 10px;
    }
    
    .round-counter,
    .pairs-counter {
        font-size: 12px;
    }
    
    .merged-cards-container {
        gap: 8px;
        padding: 8px;
    }
    
    .card {
        min-height: 50px;
        padding: 8px 10px;
        font-size: 11px;
        border-radius: 10px;
    }
}

/* 媒体查询 - 超小屏幕手机 */
@media (max-width: 360px) {
    .round-info {
        padding: 6px 8px;
        margin-bottom: 8px;
    }
    
    .round-counter,
    .pairs-counter {
        font-size: 11px;
    }
    
    .merged-cards-container {
        gap: 6px;
        padding: 6px;
    }
    
    .card {
        min-height: 45px;
        padding: 6px 8px;
        font-size: 10px;
        border-radius: 8px;
    }
}