/* 프로젝트 상세 페이지 스타일 */
    .project-header {
        background: linear-gradient(135deg, #1e4cae 0%, #4a6ecf 100%);
        padding: 100px 0 50px;
        color: white;
        position: relative;
        overflow: hidden;
    }
    
    .project-header:before {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100px;
        background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB2aWV3Qm94PSIwIDAgMTQ0MCAxMDAlIiBwcmVzZXJ2ZUFzcGVjdFJhdGlvPSJub25lIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxwYXRoIGQ9Ik0wIDB2MTAwYzE0NCAwIDQzMi00NSA3MjAtNDUgMjg4IDAgNTc2IDQ1IDcyMCA0NVYweiIgZmlsbD0iI2ZmZmZmZiIvPjwvc3ZnPg==');
        background-size: 100% 100px;
        background-position: bottom;
        background-repeat: no-repeat;
        opacity: 0.3;
    }
    
    .project-badge {
        padding: 8px 16px;
        border-radius: 30px;
        font-weight: 500;
        font-size: 0.85rem;
        display: inline-block;
        margin-bottom: 15px;
    }
    
    .project-info-card {
        background-color: white;
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        padding: 30px;
        margin-top: -80px;
        position: relative;
        z-index: 3;
    }
    
    .project-meta {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
        margin-bottom: 30px;
    }
    
    .meta-item {
        padding: 15px;
        background-color: #f8f9fa;
        border-radius: 10px;
    }
    
    .meta-label {
        font-size: 0.85rem;
        color: #6c757d;
        margin-bottom: 5px;
    }
    
    .meta-value {
        font-weight: 600;
        font-size: 1.1rem;
    }
    
    .project-content {
        line-height: 1.8;
    }
    
    .project-content p {
        margin-bottom: 20px;
    }
    
    .project-content h3 {
        margin-top: 40px;
        margin-bottom: 20px;
        padding-bottom: 10px;
        border-bottom: 1px solid #f0f0f0;
    }

    .project-content img{
        width: 100%;
    }

    /* CKEditor 콘텐츠 스타일 */
    .ckeditor-content {
        min-height: 200px;
    }

    .ckeditor-content img {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 20px auto;
    }

    .ckeditor-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    .ckeditor-content table td,
    .ckeditor-content table th {
        border: 1px solid #ddd;
        padding: 12px;
        text-align: left;
    }

    .ckeditor-content table th {
        background-color: #f8f9fa;
        font-weight: 600;
    }

    .ckeditor-content ul,
    .ckeditor-content ol {
        padding-left: 30px;
        margin: 15px 0;
    }

    .ckeditor-content li {
        margin: 8px 0;
    }

    .ckeditor-content p {
        margin-bottom: 15px;
        line-height: 1.8;
    }

    .ckeditor-content h1,
    .ckeditor-content h2,
    .ckeditor-content h3,
    .ckeditor-content h4,
    .ckeditor-content h5,
    .ckeditor-content h6 {
        margin-top: 30px;
        margin-bottom: 15px;
        font-weight: 600;
    }

    .ckeditor-content blockquote {
        border-left: 4px solid var(--primary-color);
        padding-left: 20px;
        margin: 20px 0;
        font-style: italic;
        color: #6c757d;
    }

    .ckeditor-content pre {
        background-color: #f8f9fa;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .ckeditor-content code {
        background-color: #f8f9fa;
        padding: 2px 6px;
        border-radius: 3px;
        font-family: 'Courier New', monospace;
    }
    
    .gallery-section {
        margin: 50px 0;
    }
    
    .gallery-item {
        border-radius: 10px;
        overflow: hidden;
        margin-bottom: 30px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    }
    
    .gallery-item img {
        width: 100%;
        height: auto;
        transition: transform 0.3s ease;
    }
    
    .gallery-item:hover img {
        transform: scale(1.03);
    }
    
    .tech-badge {
        display: inline-block;
        padding: 8px 15px;
        background-color: rgba(30, 76, 174, 0.1);
        color: var(--primary-color);
        border-radius: 8px;
        font-size: 0.9rem;
        margin-right: 10px;
        margin-bottom: 10px;
    }
    
    .testimonial-card {
        padding: 30px;
        border-radius: 15px;
        background-color: #f8f9fa;
        border-left: 4px solid var(--primary-color);
    }
    
    .testimonial-author {
        display: flex;
        align-items: center;
    }
    
    .author-avatar {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        margin-right: 15px;
        object-fit: cover;
    }
    
    .author-name {
        font-weight: 600;
        margin-bottom: 5px;
    }
    
    .author-position {
        font-size: 0.85rem;
        color: #6c757d;
    }
    
    .contact-cta {
        background: linear-gradient(135deg, #1e4cae 0%, #4a6ecf 100%);
        padding: 80px 0;
        color: white;
        position: relative;
        overflow: hidden;
    }
    
    .contact-cta:before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB2aWV3Qm94PSIwIDAgMTQ0MCAxMDAlIiBwcmVzZXJ2ZUFzcGVjdFJhdGlvPSJub25lIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxwYXRoIGQ9Ik0wIDUwYzE0NCAwIDQzMi00NSA3MjAtNDUgMjg4IDAgNTc2IDQ1IDcyMCA0NVYwSDB6IiBmaWxsPSIjZmZmZmZmIi8+PC9zdmc+');
        background-size: 100% 100px;
        background-position: top;
        background-repeat: no-repeat;
        opacity: 0.1;
    }
    
    .related-projects {
        padding: 80px 0;
    }
    
    .related-project-card {
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease;
        height: 100%;
    }
    
    .related-project-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    
    .related-project-image {
        height: 200px;
        overflow: hidden;
    }
    
    .related-project-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }
    
    .related-project-card:hover .related-project-image img {
        transform: scale(1.05);
    }
    
    .related-project-content {
        padding: 20px;
    }
    
    .related-project-title {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 5px;
    }
    
    .related-project-category {
        font-size: 0.85rem;
        color: #6c757d;
    }

    .tech-tag {
        display: inline-block;
        background-color: #3498db;
        color: white;
        padding: 5px 10px;
        border-radius: 20px;
        margin-right: 8px;
        margin-bottom: 8px;
        font-size: 0.9rem;
    }

    /* 첨부파일 섹션 스타일 */
    .attachment-section {
        background-color: #f8f9fa;
        border-radius: 15px;
        padding: 25px;
        margin-top: 30px;
        margin-bottom: 30px;
    }

    .attachment-header {
        display: flex;
        align-items: center;
        margin-bottom: 20px;
        padding-bottom: 15px;
        border-bottom: 1px solid #e9ecef;
    }

    .attachment-header h5 {
        margin: 0;
        font-weight: 600;
        color: #495057;
    }

    .attachment-count {
        background-color: #007bff;
        color: white;
        padding: 4px 10px;
        border-radius: 12px;
        font-size: 0.8rem;
        margin-left: 10px;
    }

    .attachment-list {
        display: grid;
        gap: 15px;
    }

    .attachment-item {
        background-color: white;
        border-radius: 10px;
        padding: 20px;
        border: 1px solid #e9ecef;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .attachment-item:hover {
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        transform: translateY(-2px);
        border-color: #007bff;
    }

    .attachment-info {
        display: flex;
        align-items: center;
        flex: 1;
    }

    .file-icon {
        font-size: 2rem;
        margin-right: 15px;
        width: 50px;
        text-align: center;
    }

    .file-details {
        flex: 1;
    }

    .file-name {
        font-weight: 600;
        color: #495057;
        margin-bottom: 5px;
        font-size: 1rem;
    }

    .file-meta {
        font-size: 0.85rem;
        color: #6c757d;
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .file-size {
        display: flex;
        align-items: center;
    }

    .file-type {
        display: flex;
        align-items: center;
        text-transform: uppercase;
        font-weight: 500;
    }

    .attachment-actions {
        display: flex;
        gap: 10px;
    }

    .btn-download {
        background-color: #007bff;
        color: white;
        border: none;
        padding: 10px 20px;
        border-radius: 8px;
        text-decoration: none;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: all 0.3s ease;
    }

    .btn-download:hover {
        background-color: #0056b3;
        color: white;
        transform: translateY(-1px);
        box-shadow: 0 4px 10px rgba(0,123,255,0.3);
    }

    .btn-preview {
        background-color: #17a2b8;
        color: white;
        border: none;
        padding: 10px 15px;
        border-radius: 8px;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        transition: all 0.3s ease;
    }

    .btn-preview:hover {
        background-color: #138496;
        transform: translateY(-1px);
    }

    .no-attachments {
        text-align: center;
        color: #6c757d;
        font-style: italic;
        padding: 40px 20px;
    }

    /* 파일 타입별 색상 */
    .file-icon.pdf { color: #dc3545; }
    .file-icon.word { color: #0d6efd; }
    .file-icon.excel { color: #198754; }
    .file-icon.powerpoint { color: #fd7e14; }
    .file-icon.image { color: #0dcaf0; }
    .file-icon.archive { color: #6c757d; }
    .file-icon.video { color: #6f42c1; }
    .file-icon.audio { color: #fd7e14; }
    .file-icon.text { color: #495057; }
    .file-icon.default { color: #6c757d; }

    /* 반응형 디자인 */
    @media (max-width: 768px) {
        .attachment-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 15px;
        }

        .attachment-actions {
            width: 100%;
            justify-content: flex-end;
        }

        .file-meta {
            flex-direction: column;
            align-items: flex-start;
            gap: 5px;
        }
    }