/* Research Project Page Styles */

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    50% {
        transform: translateY(-20px) translateX(10px);
    }
}

/* Project List Page */

.project-list-hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 80px 0 60px 0;
    position: relative;
    overflow: hidden;
}

.project-list-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.project-list-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.project-list-hero .hero-content {
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.project-list-hero .hero-icon {
    width: 100px;
    height: 100px;
    border-radius: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
    animation: float 3s ease-in-out infinite;
}

.project-list-hero .hero-icon i {
    font-size: 2.5rem;
    color: #ffffff;
}

.project-list-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.project-list-hero .hero-subtitle {
    font-size: 1.2rem;
    color: #5a6c7d;
    line-height: 1.6;
    margin: 0;
}

.project-list-section {
    padding: 60px 0 80px 0;
    background-color: #ffffff;
}

.project-list-card {
    height: 100%;
}

.project-list-card .laos-card {
    height: 100%;
    border: 2px solid transparent;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
}

.project-list-card .card-image-link {
    display: block;
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent;
}

.project-list-card .card-image-link:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: -2px;
}

.project-list-card .card-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 60%;
    overflow: hidden;
    background-color: transparent;
    border-radius: 20px 20px 0 0;
}

.project-list-card .card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-list-card .card-image-link:hover .card-image {
    transform: scale(1.15);
}

.project-list-card .card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-list-card .card-overlay i {
    font-size: 2rem;
    color: #ffffff;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.project-list-card .card-image-link:hover .card-overlay {
    opacity: 1;
}

.project-list-card .card-image-link:hover .card-overlay i {
    transform: scale(1);
}

.project-list-card .card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-list-card .card-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.project-list-card .card-meta-row .card-meta {
    margin-bottom: 0;
    min-width: 0;
}

.project-list-card .project-status-completed {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    background: rgba(47, 133, 90, 0.12);
    border: 1px solid rgba(47, 133, 90, 0.22);
    color: #276749;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.4;
}

.project-list-card .project-status-completed i {
    font-size: 0.78rem;
}

.project-list-card .card-meta {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: #667eea;
    margin-bottom: 1rem;
    font-weight: 500;
}

.project-list-card .card-meta i {
    font-size: 0.85rem;
}

.project-list-card .card-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    word-wrap: break-word;
    word-break: break-word;
}

.project-list-card .card-title-link {
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.project-list-card .card-title-link:hover,
.project-list-card .card-title-link:focus-visible {
    color: #667eea;
}

.project-list-card .card-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.project-list-card .info-item {
    display: flex;
    align-items: center;
    color: #4a5568;
}

.project-list-card .info-item i {
    color: #667eea;
    font-size: 0.85rem;
    margin-right: 0.25rem;
}

.project-list-card .card-summary {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 1rem;
    flex: 1;
    font-size: 0.95rem;
}

.project-list-card .card-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: none;
}

.project-list-card .read-more {
    display: inline-flex;
    align-items: center;
    color: #667eea;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

.project-list-card .read-more:hover,
.project-list-card .read-more:focus-visible {
    color: #764ba2;
    transform: translateX(4px);
}

.project-list-card .read-more i {
    font-size: 0.85rem;
    transition: transform 0.3s ease;
}

.project-list-card .read-more:hover i,
.project-list-card .read-more:focus-visible i {
    transform: translateX(4px);
}

.project-list-card .research-date {
    display: flex;
    align-items: center;
    color: #4a5568;
    font-size: 0.9rem;
}

.project-list-card .research-date i {
    font-size: 0.85rem;
    margin-right: 0.25rem;
}

.project-list-card .research-complete-date {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: #4a5568;
    font-size: 0.9rem;
}

.project-list-card .research-complete-date i {
    flex-shrink: 0;
    color: #667eea;
    font-size: 0.85rem;
}

.pagination-wrapper {
    margin-top: 3rem;
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.empty-icon i {
    font-size: 3rem;
    color: #667eea;
}

.empty-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.75rem;
}

.empty-text {
    font-size: 1.05rem;
    color: #5a6c7d;
    margin: 0;
}

/* Project Detail Page */

.project-detail-section {
    background-color: #ffffff;
    padding: 40px 0 80px 0;
    min-height: 60vh;
}

.project-detail-breadcrumb {
    margin-bottom: 2rem;
}

.project-detail-breadcrumb .breadcrumb {
    background-color: transparent;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.project-detail-breadcrumb .breadcrumb-item a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.project-detail-breadcrumb .breadcrumb-item a:hover {
    color: #764ba2;
    text-decoration: underline;
}

.project-detail-breadcrumb .breadcrumb-item.active {
    color: #4a5568;
}

.project-detail-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: #adb5bd;
    padding: 0 0.5rem;
}

.project-detail-article {
    background-color: #ffffff;
}

.project-detail-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #f0f0f0;
}

.project-detail-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.project-detail-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: #4a5568;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.project-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    color: #4a5568;
    font-size: 0.95rem;
}

.project-detail-meta .meta-item {
    display: flex;
    align-items: center;
}

.project-detail-meta .meta-item i {
    color: #667eea;
    font-size: 0.9rem;
}

.project-detail-meta .meta-item span {
    color: #4a5568;
}

.project-detail-meta .meta-item.meta-item-completed {
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(47, 133, 90, 0.12);
    border: 1px solid rgba(47, 133, 90, 0.22);
}

.project-detail-meta .meta-item.meta-item-completed span {
    color: #276749;
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.project-detail-meta .meta-item.meta-item-completed i {
    color: #276749;
    font-size: 0.82rem;
}

.project-detail-cover {
    margin-bottom: 2.5rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.project-detail-cover .cover-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.project-detail-summary {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-left: 4px solid #667eea;
    border-radius: 8px;
}

.project-detail-summary .summary-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #4a5568;
    margin: 0;
    font-style: italic;
}

.project-detail-content {
    margin-bottom: 3rem;
}

.project-detail-content .content-body {
    font-size: 1.1rem;
    line-height: 1.9;
    color: #1a1a1a;
    word-wrap: break-word;
}

.project-detail-content .content-body h1,
.project-detail-content .content-body h2,
.project-detail-content .content-body h3,
.project-detail-content .content-body h4,
.project-detail-content .content-body h5,
.project-detail-content .content-body h6 {
    color: #1a1a1a;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.project-detail-content .content-body h1 {
    font-size: 2rem;
}

.project-detail-content .content-body h2 {
    font-size: 1.75rem;
}

.project-detail-content .content-body h3 {
    font-size: 1.5rem;
}

.project-detail-content .content-body p {
    margin-bottom: 1.5rem;
}

.project-detail-content .content-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.project-detail-content .content-body ul,
.project-detail-content .content-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.project-detail-content .content-body li {
    margin-bottom: 0.5rem;
}

.project-detail-content .content-body blockquote {
    border-left: 4px solid #667eea;
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: #4a5568;
    background-color: rgba(102, 126, 234, 0.05);
    padding: 1rem 1.5rem;
    border-radius: 4px;
}

.project-detail-content .content-body a {
    color: #667eea;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.project-detail-content .content-body a:hover {
    color: #764ba2;
}

.project-detail-content .content-body code {
    background-color: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: #e83e8c;
}

.project-detail-content .content-body pre {
    background-color: #2c3e50;
    color: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
}

.project-detail-content .content-body pre code {
    background-color: transparent;
    color: inherit;
    padding: 0;
}

.project-detail-attachments {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid #f0f0f0;
}

.project-detail-attachments .attachments-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.project-detail-attachments .attachments-title i {
    color: #667eea;
}

.project-detail-attachments .attachments-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.project-detail-attachments .attachment-item {
    margin-bottom: 1rem;
}

.project-detail-attachments .attachment-link {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    color: #2c3e50;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.project-detail-attachments .attachment-link:hover {
    background-color: #667eea;
    color: #ffffff;
    border-color: #667eea;
    transform: translateX(4px);
}

.project-detail-attachments .attachment-link i {
    font-size: 1.1rem;
    margin-right: 0.75rem;
}

.project-detail-attachments .attachment-name {
    font-weight: 500;
    margin-right: 0.5rem;
}

.project-detail-attachments .attachment-size {
    color: #6c757d;
    font-size: 0.9rem;
}

.project-detail-attachments .attachment-link:hover .attachment-size {
    color: rgba(255, 255, 255, 0.8);
}

.project-detail-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid #f0f0f0;
}

.project-detail-footer .footer-actions {
    display: flex;
    justify-content: flex-start;
}

.project-detail-footer .btn-back {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.project-detail-footer .btn-back:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    color: #ffffff;
}

.project-detail-footer .btn-back:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
    color: #ffffff;
}

/* Responsive Design */

@media (max-width: 992px) {
    .project-list-hero {
        padding: 60px 0 50px 0;
    }

    .project-list-hero .hero-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 1.5rem;
    }

    .project-list-hero .hero-icon i {
        font-size: 2rem;
    }

    .project-list-hero .hero-title {
        font-size: 2.5rem;
    }

    .project-list-hero .hero-subtitle {
        font-size: 1.1rem;
    }

    .project-list-section {
        padding: 50px 0 60px 0;
    }

    .project-detail-section {
        padding: 30px 0 60px 0;
    }

    .project-detail-title {
        font-size: 2rem;
    }

    .project-detail-meta {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .project-detail-summary .summary-text {
        font-size: 1.05rem;
    }

    .project-detail-content .content-body {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .project-list-hero {
        padding: 50px 0 40px 0;
    }

    .project-list-hero .hero-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 1.25rem;
    }

    .project-list-hero .hero-icon i {
        font-size: 1.75rem;
    }

    .project-list-hero .hero-title {
        font-size: 2rem;
    }

    .project-list-hero .hero-subtitle {
        font-size: 1rem;
    }

    .project-list-section {
        padding: 40px 0 50px 0;
    }

    .project-list-card .card-body {
        padding: 1.25rem;
    }

    .project-list-card .card-title {
        font-size: 1.2rem;
    }

    .project-list-card .card-summary {
        font-size: 0.9rem;
    }

    .empty-state {
        padding: 60px 20px;
    }

    .empty-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 1.5rem;
    }

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

    .empty-title {
        font-size: 1.5rem;
    }

    .empty-text {
        font-size: 1rem;
    }

    .project-detail-section {
        padding: 20px 0 50px 0;
    }

    .project-detail-breadcrumb {
        margin-bottom: 1.5rem;
    }

    .project-detail-title {
        font-size: 1.75rem;
    }

    .project-detail-header {
        margin-bottom: 2rem;
        padding-bottom: 1rem;
    }

    .project-detail-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .project-detail-cover {
        margin-bottom: 2rem;
    }

    .project-detail-summary {
        margin-bottom: 2rem;
        padding: 1.25rem;
    }

    .project-detail-summary .summary-text {
        font-size: 1rem;
    }

    .project-detail-content {
        margin-bottom: 2rem;
    }

    .project-detail-content .content-body {
        font-size: 0.95rem;
        line-height: 1.8;
    }

    .project-detail-content .content-body h1 {
        font-size: 1.75rem;
    }

    .project-detail-content .content-body h2 {
        font-size: 1.5rem;
    }

    .project-detail-content .content-body h3 {
        font-size: 1.25rem;
    }

    .project-detail-attachments {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }

    .project-detail-attachments .attachments-title {
        font-size: 1.25rem;
    }

    .project-detail-footer {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }
}

@media (max-width: 576px) {
    .project-list-hero .hero-title {
        font-size: 1.75rem;
    }

    .project-list-card .card-image-wrapper {
        padding-top: 65%;
    }
}

/* Detail Not Found */
.project-detail-empty {
    padding: 5rem 1rem 4rem;
    text-align: center;
}

.project-detail-empty .empty-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.project-detail-empty .empty-icon i {
    font-size: 3rem;
    color: #667eea;
}

.project-detail-empty .empty-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.75rem;
}

.project-detail-empty .empty-text {
    font-size: 1.05rem;
    color: #5a6c7d;
    margin: 0;
}

.detail-empty-link {
    display: inline-flex;
    align-items: center;
    margin-top: 1.25rem;
    color: #667eea;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.detail-empty-link:hover {
    color: #764ba2;
}