/* CSS 重置和全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4a90e2;
    --secondary-color: #7b68ee;
    --bg-color: #f5f7fa;
    --text-color: #333;
    --border-color: #ddd;
    --success-color: #52c41a;
    --error-color: #ff4d4f;
    --warning-color: #faad14;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 
                 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-color);
    line-height: 1.6;
}

/* 页面容器 */
.page {
    display: none;
    min-height: 100vh;
    padding: 20px;
}

.page.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 按钮样式 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #357abd;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #6a5acd;
    transform: translateY(-2px);
}

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* 封面页 */
#cover-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.cover-content {
    text-align: center;
    color: white;
}

.game-title {
    font-size: 64px;
    margin-bottom: 40px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInDown 1s ease;
}

.cover-footer {
    margin-top: 60px;
}

.guide-text {
    font-size: 18px;
    margin-bottom: 10px;
    opacity: 0.9;
}

.author {
    font-size: 14px;
    opacity: 0.7;
}

/* 初始化页 */
#init-page {
    background: var(--bg-color);
}

.init-content {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
}

.init-content h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

#enter-world-btn {
    width: 100%;
    margin-top: 10px;
}

/* 游戏页面 */
#game-page {
    background: var(--bg-color);
    align-items: flex-start;
    padding: 20px;
}

.game-layout {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 20px;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.world-section,
.life-section,
.stats-section {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.world-section h3,
.life-section h3,
.stats-section h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: 20px;
}

.info-item {
    margin-bottom: 12px;
    font-weight: 500;
}

.context-text,
.event-text {
    line-height: 1.8;
    color: #555;
    margin-top: 16px;
    padding: 16px;
    background: #f9f9f9;
    border-radius: 8px;
    min-height: 200px;
}

.age-display {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.action-buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.action-buttons .btn {
    flex: 1;
}

.stats-panel {
    margin-bottom: 24px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.stat-label {
    font-weight: 500;
}

.stat-value {
    font-weight: bold;
    color: var(--primary-color);
}

.photo-container {
    width: 100%;
    min-height: 200px;
    background: #f0f0f0;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.photo-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 结算页 */
#end-page {
    background: var(--bg-color);
}

.end-content {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    width: 100%;
    text-align: center;
}

.end-content h2 {
    color: var(--primary-color);
    margin-bottom: 24px;
}

.summary-text {
    line-height: 2;
    margin-bottom: 24px;
    text-align: left;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.final-stats {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.photo-gallery img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
}

.poem-text {
    font-style: italic;
    line-height: 2;
    color: #666;
    margin-bottom: 24px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

/* 加载提示 */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

#loading-message {
    color: white;
    margin-top: 20px;
    font-size: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 错误提示 */
.error-toast {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--error-color);
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    animation: slideIn 0.3s ease;
}

.error-toast.active {
    display: block;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 32px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.modal-content h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

.modal-content textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    margin: 16px 0;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.answer-text {
    margin-top: 20px;
    padding: 16px;
    background: #f9f9f9;
    border-radius: 8px;
    line-height: 1.8;
    display: none;
}

.answer-text.active {
    display: block;
}

/* 动画 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式布局 */
@media (max-width: 768px) {
    .game-layout {
        grid-template-columns: 1fr;
    }
    
    .game-title {
        font-size: 40px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .photo-gallery {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}