/* 单词听写游戏样式 */
.word-dictation-game {
    text-align: center;
    padding: 10px;
}

.dictation-word {
    font-size: 32px;
    font-weight: bold;
    color: #667eea;
}

.keyboard {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 10px;
    margin: 30px auto;
    max-width: 600px;
}

.key {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    border: none;
    border-radius: 10px;
    padding: 15px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.key:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.key:active {
    transform: translateY(0);
}

.user-input {
    background: white;
    border: 2px solid #667eea;
    border-radius: 50px;
    padding: 10px;
    font-size: 32px;
    font-weight: bold;
    color: #667eea;
    text-align: center;
    margin: 10px 0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 动画效果 */
@keyframes correctPulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes wrongShake {
    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

@keyframes matchFade {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes fall {
    0% {
        top: -100px;
    }

    100% {
        top: 100%;
    }
}

@keyframes correctPop {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }

    100% {
        transform: scale(0);
        opacity: 0;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .menu {
        padding: 30px 20px 20px;
    }

    .menu h1 {
        font-size: 28px;
    }

    .units-grid,
    .level-grid {
        grid-template-columns: 1fr;
    }

    .game-container {
        padding: 10px;
        height: 95vh;
    }

  

    .right-controls {
        flex-wrap: wrap;
    }

    .progress-bar {
        width: 100%;
    }

    .question,
    .fill-sentence,
    .judge-sentence {
        font-size: 24px;
    }

    .answers {
        grid-template-columns: 1fr;
    }

    .matching-area {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .target-letter {
        font-size: 36px;
        padding: 15px 30px;
    }

    .countdown {
        font-size: 24px;
        padding: 10px 20px;
    }

    .keyboard {
        grid-template-columns: repeat(8, 1fr);
        gap: 8px;
        max-width: 400px;
    }

    .key {
        padding: 12px;
        font-size: 16px;
    }

    .type-categories {
        grid-template-columns: 1fr;
    }

    /* 游戏内容区域 */
    .game-content {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .menu {
        padding: 25px 15px calc(15px + env(safe-area-inset-bottom, 20px)) 15px;
        border-radius: 20px;
    }

    .menu h1 {
        font-size: 22px;
        margin-bottom: 15px;
        margin-top: 0;
    }

    .unit-card h3,
    .level-card h3 {
        font-size: 20px;
    }

    .units-grid,
    .level-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 15px;
    }

    .unit-card {
        padding: 15px;
        margin-bottom: 10px;
    }

    .unit-card p {
        font-size: 12px;
    }

    .question,
    .fill-sentence,
    .judge-sentence {
        font-size: 20px;
    }

    .target-letter {
        font-size: 28px;
        padding: 10px 20px;
    }

    .countdown {
        font-size: 20px;
        padding: 8px 16px;
    }

    .keyboard {
        grid-template-columns: repeat(6, 1fr);
        gap: 6px;
        max-width: 300px;
    }

    .key {
        padding: 10px;
        font-size: 14px;
    }

    /* 游戏内容区域 */
    .game-content {
        padding: 10px;
    }
}

/* 横屏优化 */
@media (orientation: landscape) {
    .matching-area {
        grid-template-columns: repeat(2, 1fr);
    }

    .type-categories {
        grid-template-columns: repeat(2, 1fr);
    }
}