/* Publications 模块样式 */
.publications-section {
    position: relative;
}

.publications-container {
    min-height: 200px;
}

/* 加载状态样式 */
.publications-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: #2246A6;
    border-radius: 15px;
    border: 1px solid #2246A6;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #E3F2FD;
    border-top: 4px solid #2246A6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误状态样式 */
.publications-error {
    padding: 30px;
    background: #FFEBEE;
    border: 1px solid #F44336;
    border-radius: 15px;
    color: #C62828;
}

.error-message {
    margin: 0;
    text-align: center;
    font-size: 16px;
    line-height: 1.6;
}

/* 空状态样式 */
.publications-empty {
    padding: 40px;
    background: #2246A6;
    border: 1px solid #2246A6;
    border-radius: 15px;
    text-align: center;
}

.publications-empty p {
    margin: 0;
    color: #000000;
    font-size: 16px;
    line-height: 1.6;
}

/* 论文网格布局 */
.publications-grid {
    display: block; /* 改为块级布局，确保垂直排列 */
}

.publications-grid > * {
    margin-bottom: 30px; /* 添加底部间距 */
}

/* 论文内容样式 - 直接输出，不使用卡片包装 */
.publication-content {
    display: block;
    margin-bottom: 30px;
}

/* 论文图片 - 放在内容下方，直接显示完整图片 */
.publication-image {
    width: 100%;
    margin-top: 15px;
    line-height: 0; /* 消除图片下方空白 */
}

.publication-image img {
    max-width: 100%;
    height: auto;
    display: block; /* 直接显示完整图片 */
}

.publication-title {
    font-size: 18px;
    font-weight: 600;
    color: #000000;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.publication-authors {
    color: #000000;
    font-size: 14px;
    margin-bottom: 8px;
    line-height: 1.5;
}

.publication-venue {
    color: #000000;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 5px;
}

.publication-date {
    color: #000000;
    font-size: 13px;
    margin-bottom: 15px;
}

.publication-links {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.publication-link {
    color: #000000;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 6px 12px;
    border: 1px solid #2246A6;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.publication-link:hover {
    background: #2196F3;
    color: #ffffff;
    text-decoration: none;
}

.publication-abstract {
    color: #000000;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.publication-citations {
    color: #000000;
    font-size: 13px;
    font-weight: 500;
    text-align: right;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .publications-grid {
        display: block;
    }

    .publication-content {
        padding: 20px;
    }

    .publication-title {
        font-size: 16px;
    }

    .publication-links {
        gap: 10px;
    }

    .publication-link {
        font-size: 13px;
        padding: 5px 10px;
    }

    /* 移动端图片调整 */
    .publication-image {
        height: 200px; /* 移动端减小图片高度 */
    }
}

@media (max-width: 480px) {
    .publications-grid {
        grid-template-columns: 1fr;
    }

    .publication-content {
        padding: 15px;
    }

    .publication-image {
        height: 150px; /* 小屏幕进一步减小 */
        padding: 5px; /* 减小内边距 */
    }

    .publication-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .publications-grid {
        grid-template-columns: 1fr;
    }

    .publication-content {
        padding: 15px;
    }

    .publication-image {
        height: 150px;
    }

    .publication-links {
        justify-content: center;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .publications-loading,
    .publications-empty {
        background: #0D47A1;
        border-color: #64B5F6;
    }

    .loading-spinner {
        border-color: #0D47A1;
        border-top-color: #64B5F6;
    }

    .publications-error {
        background: #B71C1C;
        border-color: #EF5350;
    }

    .publication-card {
        background: #1E3A8A;
        border-color: #64B5F6;
    }

    .publication-title,
    .publication-venue,
    .publication-link {
        color: #64B5F6;
    }

    .publication-authors,
    .publication-date,
    .publication-abstract,
    .publication-citations {
        color: #90CAF9;
    }

    .publication-link {
        border-color: #64B5F6;
    }

    .publication-link:hover {
        background: #64B5F6;
        color: #ffffff;
    }
}