/* 游戏容器样式 */
.game-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.game-area {
    background-color: var(--color-paper);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

/* 标题样式统一 */
.study-title,
.instruction {
    color: var(--color-red);
    font-size: 0.8rem;
    font-weight: 500;
}

/* 完整句子区域 */
.full-sentence {
    font-size: 1.4rem;
    margin: 1rem 0 2rem;
    color: var(--color-ink);
    padding: 1.2rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    position: relative;
}

.full-sentence::before {
    content: '完整句子：';
    position: absolute;
    top: -0.6rem;
    left: 1rem;
    background: var(--color-paper);
    padding: 0 0.5rem;
    font-size: 0.7rem;
    color: #88B0C8;
}

/* 当前学习的字 */
.study-title {
    margin-bottom: 1rem;
}

.big-character {
    font-size: 8rem;
    margin: 1.5rem auto;
    color: var(--color-ink);
    line-height: 1;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 12px;
}

/* 移除所有内部线条 */
.big-character::before,
.big-character::after,
.big-character-grid::before,
.big-character-grid::after {
    display: none;
}

/* 游戏区样式 */
.instruction {
    margin: 2rem 0 1rem;
}

.character-options {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.character-option {
    font-size: 2rem;
    padding: 1rem 2rem;
    border: 2px solid rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--color-paper);
}

.character-option:hover {
    background-color: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.25);
}

/* 反馈区域 */
.feedback-area {
    margin-top: 2rem;
    font-size: 1.5rem;
    min-height: 2rem;
}

/* 正确/错误状态 */
.correct {
    background-color: #e8f5e9 !important;
    color: #2e7d32;
}

.incorrect {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
} 

/* 控制栏样式 */
.control-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.mode-switch {
    display: flex;
    gap: 0.5rem;
}

.mode-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-blue);
    background: transparent;
    color: var(--color-blue);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-btn:hover {
    background: rgba(136, 176, 200, 0.1);
}

.mode-btn.active {
    background: var(--color-blue);
    color: var(--color-paper);
}

.progress-display {
    font-size: 0.9rem;
    color: var(--color-blue);
    padding: 0.5rem;
}