/* =========================================================================
   RSS新闻聚合区域样式
   ========================================================================= */

   .rss-news-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.rss-news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.rss-news-title-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.rss-news-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
    display: flex;
    align-items: center;
}

.rss-news-title i {
    color: #667eea;
}

.rss-news-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.rss-news-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.rss-refresh-btn, .rss-toggle-btn {
    transition: all 0.3s ease;
}

.rss-refresh-btn:hover {
    transform: rotate(180deg);
}

.rss-toggle-btn {
    padding: 0.25rem 0.5rem;
}

.rss-toggle-btn i {
    transition: transform 0.3s ease;
}

/* RSS新闻网格 */
.rss-news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.25rem;
}

/* 新闻卡片 */
/* RSS知识点卡片（新设计：独立知识点展示）*/
.rss-kp-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rss-kp-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    transform: translateY(-2px);
    border-color: rgba(102, 126, 234, 0.2);
}

/* 知识点主体内容 */
.rss-kp-main {
    display: flex;
    gap: 1rem;
    flex: 1;
}

/* 知识点图标 */
.rss-kp-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    font-size: 1.2rem;
}

/* 知识点内容 */
.rss-kp-content {
    flex: 1;
    min-width: 0;
}

.rss-kp-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.625rem;
    line-height: 1.4;
}

.rss-kp-description {
    font-size: 0.9rem;
    color: #5a6c7d;
    margin: 0;
    line-height: 1.6;
}

/* 来源信息 */
.rss-source-info {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: #6c757d;
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    margin-top: auto;
}

.rss-source-label {
    font-weight: 600;
    color: #495057;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.rss-source-label i {
    font-size: 0.75rem;
}

.rss-source-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rss-source-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

.rss-source-meta {
    color: #adb5bd;
    font-size: 0.75rem;
    white-space: nowrap;
}

/* 添加按钮（全宽）*/
.rss-add-kp-btn-full {
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.rss-add-kp-btn-full:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* 加载和错误状态 */
.rss-loading-placeholder,
.rss-empty-state,
.rss-error-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #6c757d;
}

.rss-loading-placeholder i,
.rss-empty-state i,
.rss-error-state i {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.rss-error-state {
    color: #dc3545;
}

.rss-empty-state i {
    color: #adb5bd;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .rss-news-section {
        padding: 1rem;
    }
    
    .rss-news-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .rss-news-grid {
        grid-template-columns: 1fr;
    }
    
    .rss-kp-card {
        padding: 1.25rem;
    }
    
    .rss-kp-main {
        flex-direction: row;
    }
    
    .rss-kp-icon {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
    
    .rss-source-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .rss-source-link {
        white-space: normal;
        overflow: visible;
    }
}


/* 知识灵感区域（紧凑模式 - hero-banner内）*/
.knowledge-inspiration-compact {
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    margin-top: 1.5rem; /* 与上方按钮的间距 */
    
    /* 性能优化 */
    will-change: auto;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.inspiration-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
}

.inspiration-header h6 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #2c3e50;
    display: flex;
    align-items: center;
}

.inspiration-header h6 i {
    color: #f39c12;
}

/* 折叠图标动画（移动端）*/
#inspirationToggleIcon {
    transition: transform 0.3s ease;
    color: #000000; /* 黑色箭头 */
}

.inspiration-header[aria-expanded="true"] #inspirationToggleIcon {
    transform: rotate(180deg);
}

.inspiration-header .btn-link {
    color: #667eea;
    font-size: 1.1rem;
    text-decoration: none;
    padding: 0.25rem;
    transition: all 0.3s ease;
}

.inspiration-header .btn-link:hover {
    color: #764ba2;
    transform: scale(1.1);
}

.inspiration-header .btn-link i {
    font-size: 1.2rem;
}

.inspiration-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    overflow: hidden; /* 防止子元素超出边界 */
}

.inspiration-loading,
.inspiration-empty {
    grid-column: 1 / -1; /* 占满所有列 */
    text-align: center;
    padding: 1.5rem 1rem;
    color: #6c757d;
    font-size: 0.875rem;
}

/* 紧凑的知识点项 */
.inspiration-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 1px solid rgba(102, 126, 234, 0.15);
    border-radius: 8px;
    padding: 0.75rem;
    transition: all 0.2s ease;
    cursor: pointer;
    overflow: hidden; /* 防止内容超出 */
    word-wrap: break-word; /* 长文本换行 */
}

.inspiration-item:hover {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-color: rgba(102, 126, 234, 0.3);
}

.inspiration-item.expanded {
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* 简洁模式（默认） */
.inspiration-compact-view {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;  /* 改为顶部对齐，以适应多行标题 */
    gap: 0.75rem;
}

.inspiration-compact-content {
    flex: 1;
    min-width: 0;
}

.inspiration-compact-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
    /* 允许标题换行，以适应较长的英文标题 */
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.4;
    /* 限制最多显示2行 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.inspiration-compact-add-btn {
    flex-shrink: 0;
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.95);
    color: #28a745;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 0.375rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    align-self: flex-start;  /* 按钮与标题顶部对齐 */
    margin-top: 2px;  /* 微调垂直位置 */
}

.inspiration-compact-add-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    background: rgba(40, 167, 69, 0.05);
    border-color: rgba(40, 167, 69, 0.2);
    color: #2c3e50;
}

/* 详细模式（展开） */
.inspiration-detail-view {
    display: none;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(102, 126, 234, 0.15);
}

.inspiration-item.expanded .inspiration-detail-view {
    display: block;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.inspiration-description {
    font-size: 0.825rem;
    color: #5a6c7d;
    line-height: 1.5;
    margin-bottom: 0.625rem;
}

.inspiration-source {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: #adb5bd;
    flex-wrap: wrap;
}

.inspiration-source i {
    font-size: 0.7rem;
}

.inspiration-source-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

.inspiration-source-link:hover {
    text-decoration: underline;
}

/* 响应式：小屏幕改为单列 */
@media (max-width: 992px) {
    .inspiration-list {
        grid-template-columns: 1fr;
    }
}

/* 快速管理区域样式（移除背景，只作为容器）*/
.quick-management-section {
    padding: 0;
}

/* 侧边栏知识点显示 */
.quick-interests-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sidebar-interest-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 1px solid rgba(102, 126, 234, 0.15);
    border-radius: 8px;
    padding: 0.875rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.sidebar-interest-item:hover {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-color: rgba(102, 126, 234, 0.3);
}

.sidebar-interest-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.sidebar-interest-desc {
    font-size: 0.8rem;
    color: #6c757d;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}