.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #7fda55;
}

.admin-section h2 {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.search-container {
    display: flex;
    align-items: center;
}

.search-box {
    background: white;
    border-radius: 8px;
    padding: 8px 12px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-box i {
    color: #666;
    font-size: 0.9rem;
}

.search-box input {
    border: none;
    outline: none;
    font-size: 0.9rem;
    width: 180px;
    background: transparent;
}

.search-box button {
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 2px;
    font-size: 0.8rem;
}

.search-box button:hover {
    color: #666;
}

.research-list {
    background: transparent;
    padding: 0;
}

.research-list h2 {
    color: #2c3e50;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #7fda55;
    display: flex;
    align-items: center;
    gap: 10px;
}

.research-item {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    cursor: pointer;
}

.research-item:last-child {
    border-bottom: none;
}

.research-item:hover {
    background: rgba(127, 218, 85, 0.04);
    transform: translateX(5px);
    border-radius: 8px;
}

.research-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #7fda55;
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.research-content {
    flex: 1;
}

.research-title {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.research-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.research-title a:hover {
    color: #7fda55;
}

.research-meta {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.research-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.research-meta i {
    color: #7fda55;
}

.research-excerpt {
    color: #555;
    line-height: 1.6;
    margin-bottom: 15px;
}

.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.research-tag {
    background: #e9f5e1;
    color: #2c3e50;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.research-tag:hover {
    background: #d4edda;
}

.empty-state h3 {
    color: #999;
    margin-bottom: 10px;
}

@media (min-width: 769px) and (max-width: 1024px) {
    .admin-dashboard {
        padding: 15px;
    }

    .admin-section {
        padding: 20px;
    }

    .research-item {
        padding: 18px;
    }

    .research-title {
        font-size: 1.2rem;
    }

    .research-excerpt {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .search-box {
        width: 250px;
    }

    .search-box input {
        width: 150px;
    }
}

@media (max-width: 768px) {
    .admin-dashboard {
        padding: 10px;
    }

    .admin-section {
        padding: 15px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .section-header .search-container {
        width: 100%;
    }

    .search-box {
        width: 100%;
        max-width: 300px;
    }

    .search-box input {
        width: 100%;
    }

    .research-item {
        flex-direction: column;
        padding: 15px;
    }

    .research-number {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .research-title {
        font-size: 1.1rem;
    }

    .research-meta {
        flex-direction: column;
        gap: 8px;
    }

    .research-excerpt {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .research-tag {
        font-size: 0.8rem;
        padding: 3px 10px;
    }

    .empty-state {
        padding: 40px 15px;
    }

    .empty-state i {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .admin-dashboard {
        padding: 8px;
    }

    .admin-section {
        padding: 12px;
    }

    .research-item {
        padding: 12px;
    }

    .research-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .research-title {
        font-size: 1rem;
    }

    .research-meta {
        font-size: 0.85rem;
    }

    .research-excerpt {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .research-tag {
        font-size: 0.75rem;
        padding: 2px 8px;
    }

    .search-box {
        max-width: 100%;
    }

    .search-box input {
        width: 100%;
    }
}

@media (max-width: 375px) {
    .admin-dashboard {
        padding: 5px;
    }

    .admin-section {
        padding: 10px;
    }

    .research-item {
        padding: 10px;
    }

    .research-number {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }

    .research-title {
        font-size: 0.95rem;
    }

    .research-meta {
        font-size: 0.8rem;
    }

    .research-excerpt {
        font-size: 0.8rem;
        line-height: 1.4;
    }

    .research-tag {
        font-size: 0.7rem;
        padding: 1px 6px;
    }

    .empty-state {
        padding: 30px 10px;
    }

    .empty-state i {
        font-size: 2rem;
    }
}