/* 关注功能样式 */

/* 功能卡片头部布局 */
.feature-card-header {
    display: block;
    margin-bottom: 16px;
    position: relative;
}

/* 确保关注按钮在右上角 */
.feature-card {
    position: relative;
}

.feature-card .feature-card-header .feature-icon {
    margin-bottom: 0;
}

/* 关注按钮样式 */
.favorite-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: all 0.3s ease;
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
    opacity: 0.7;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 10;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.favorite-btn:hover {
    background-color: rgba(var(--primary-color-rgb), 0.1);
    color: var(--primary-color);
    opacity: 1;
    transform: scale(1.1);
}

.favorite-btn.favorited {
    color: #e91e63;
    opacity: 1;
}

.favorite-btn.favorited:hover {
    background-color: rgba(233, 30, 99, 0.1);
    color: #e91e63;
}

.favorite-btn .material-icons {
    font-size: 18px;
    transition: all 0.3s ease;
}

.favorite-btn:hover .material-icons {
    transform: scale(1.1);
}

/* 关注区域样式 */
.favorites-section {
    padding: 80px 0;
    background: var(--section-bg);
    border-bottom: 1px solid var(--border-color);
}

.favorites-section .section-header h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* 关注功能网格 */
.favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

/* 关注功能卡片样式 */
.favorite-card {
    position: relative;
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, 
        rgba(var(--primary-color-rgb), 0.02) 0%, 
        rgba(var(--primary-color-rgb), 0.05) 100%);
}

.favorite-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border-radius: inherit;
    z-index: -1;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.favorite-card:hover::before {
    opacity: 0.8;
}

/* 关注卡片头部 */
.favorite-card-header {
    display: block;
    margin-bottom: 16px;
}

/* 取消关注按钮 */
.remove-favorite-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: all 0.3s ease;
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
    opacity: 0.7;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 10;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.remove-favorite-btn:hover {
    background-color: rgba(244, 67, 54, 0.1);
    color: #f44336;
    opacity: 1;
    transform: scale(1.1);
}

.remove-favorite-btn .material-icons {
    font-size: 18px;
}

/* 关注卡片图标调整 */
.favorite-card .feature-icon {
    margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .favorites-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 16px;
    }
    
    .favorites-section {
        padding: 60px 0;
    }
    
    .favorite-btn {
        width: 28px;
        height: 28px;
        padding: 4px;
    }
    
    .favorite-btn .material-icons {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .favorites-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .feature-card-header {
        margin-bottom: 12px;
    }
    
    .favorites-section {
        padding: 40px 0;
    }
}

/* 深色主题适配 */
[data-theme="dark"] .favorite-card {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, 
        rgba(var(--primary-color-rgb), 0.05) 0%, 
        rgba(var(--primary-color-rgb), 0.08) 100%);
}

[data-theme="dark"] .favorite-btn {
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--text-color);
}

[data-theme="dark"] .favorite-btn:hover {
    background-color: rgba(var(--primary-color-rgb), 0.2);
}

[data-theme="dark"] .favorite-btn.favorited:hover {
    background-color: rgba(233, 30, 99, 0.15);
}

[data-theme="dark"] .remove-favorite-btn {
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--text-color);
}

[data-theme="dark"] .remove-favorite-btn:hover {
    background-color: rgba(244, 67, 54, 0.2);
}

/* 动画效果 */
.favorite-card {
    animation: favoriteCardSlideIn 0.5s ease-out;
}

@keyframes favoriteCardSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 关注按钮点击动画 */
.favorite-btn.favorited .material-icons {
    animation: favoriteHeartBeat 0.6s ease-out;
}

@keyframes favoriteHeartBeat {
    0% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(1.1); }
    75% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* 空状态提示（如果需要） */
.favorites-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.favorites-empty .material-icons {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.favorites-empty h3 {
    margin-bottom: 8px;
    color: var(--text-color);
}