/* Certificates Page Styles */
:root {
    --gold-color: #FFD700;
    --silver-color: #C0C0C0;
    --bronze-color: #CD7F32;
    --participation-color: #2E86AB;
}

/* Hero Section */
.certificates-hero {
    background: linear-gradient(rgba(1, 54, 98, 0.9), rgba(1, 54, 98, 0.95)), 
                url('../images/certificates-bg.jpg') no-repeat center center/cover;
    padding: 25px 20px 80px;
    text-align: center;
    color: var(--light-text);
    margin-bottom: 40px;
}

.certificates-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.certificates-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.certificates-hero .hero-text {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.certificates-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.certificates-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
}

.certificates-stats .stat-item i {
    font-size: 1.2rem;
}

.certificates-stats .stat-item i.fa-medal {
    color: var(--gold-color);
}

.certificates-stats .stat-item:nth-child(3) i.fa-medal {
    color: var(--silver-color);
}

.certificates-stats .stat-item:nth-child(4) i.fa-medal {
    color: var(--bronze-color);
}

/* Filter Section */
.certificates-filter {
    padding: 0 20px 30px;
}

.filter-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--light-text);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
}

.search-box {
    display: flex;
    margin-bottom: 20px;
    background: var(--light-bg);
    border-radius: 50px;
    overflow: hidden;
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    border: none;
    background: transparent;
    font-size: 1rem;
    outline: none;
}

.search-box .search-btn {
    background: var(--secondary-color);
    color: var(--primary-color);
    border: none;
    padding: 0 25px;
    cursor: pointer;
    transition: var(--transition);
}

.search-box .search-btn:hover {
    background: #e5a800;
}

.filter-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-select {
    flex: 1;
    min-width: 180px;
    padding: 10px 15px;
    border-radius: 6px;
    border: 1px solid #ddd;
    background: var(--light-text);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
}

/* Certificates Grid Section */
.certificates-grid-section {
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.view-options {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.view-option {
    padding: 8px 16px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-option.active {
    background: var(--primary-color);
    color: var(--light-text);
}

.view-option:hover:not(.active) {
    background: rgba(1, 54, 98, 0.1);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

/* Certificate Card Styles */
.certificate-card {
    background: var(--light-text);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.certificate-header {
    padding: 20px 20px 15px;
    position: relative;
}

.certificate-award {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.certificate-award.gold {
    background: var(--gold-color);
    color: #7a6400;
}

.certificate-award.silver {
    background: var(--silver-color);
    color: #555;
}

.certificate-award.bronze {
    background: var(--bronze-color);
    color: white;
}

.certificate-award.participation {
    background: var(--participation-color);
    color: white;
}

.certificate-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    padding-right: 30px;
}

.certificate-issuer {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.certificate-date {
    font-size: 0.85rem;
    color: var(--gray-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.certificate-image {
    height: 200px;
    overflow: hidden;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    margin-top: auto;
}

.certificate-image img {
    margin-top: auto;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.certificate-card:hover .certificate-image img {
    transform: scale(1.05);
}

.certificate-footer {
    padding: 15px 20px;
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.certificate-btn {
    flex: 1;
    padding: 10px;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-height: 40px;
    border: none;
}

.view-btn {
    background: var(--primary-color);
    color: var(--light-text);
}

.view-btn:hover {
    background: var(--accent-color);
}

.share-btn {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.share-btn:hover {
    background: #e5a800;
}

/* List View Styles */
.certificates-grid.list-view {
    grid-template-columns: 1fr;
}

.certificates-grid.list-view .certificate-card {
    flex-direction: row;
    align-items: center;
}

.certificates-grid.list-view .certificate-image {
    height: auto;
    width: 200px;
    border-top: none;
    border-bottom: none;
    border-right: 1px solid #eee;
}

.certificates-grid.list-view .certificate-content {
    flex: 1;
}

/* Timeline View Styles */
.certificates-grid.timeline-view {
    grid-template-columns: 1fr;
    position: relative;
    padding-left: 40px;
}

.certificates-grid.timeline-view::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 4px;
    background: var(--primary-color);
}

.certificates-grid.timeline-view .certificate-card {
    position: relative;
    margin-bottom: 30px;
}

.certificates-grid.timeline-view .certificate-card::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 30px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary-color);
    z-index: 1;
}

/* No Results Message */
.no-results {
    text-align: center;
    padding: 50px 20px;
    display: none;
}

.no-results i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.5;
}

.no-results p {
    font-size: 1.2rem;
    color: var(--gray-color);
}

/* Certificate Modal */
.certificate-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-certificate {
    padding: 40px;
}

.modal-certificate img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.modal-actions {
    display: flex;
    gap: 15px;
    padding: 20px;
    border-top: 1px solid #eee;
}

.download-btn {
    background: var(--primary-color);
    color: var(--light-text);
    flex: 1;
}

.share-btn {
    background: var(--secondary-color);
    color: var(--primary-color);
    flex: 1;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .certificates-hero h1 {
        font-size: 2rem;
    }
    
    .certificates-stats {
        gap: 20px;
    }
    
    .certificates-grid.list-view .certificate-card {
        flex-direction: column;
    }
    
    .certificates-grid.list-view .certificate-image {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #eee;
    }
    
    .modal-certificate {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .certificates-hero {
        padding: 60px 15px;
    }
    
    .filter-options {
        flex-direction: column;
        gap: 10px;
    }
    
    .filter-select {
        width: 100%;
    }
    
    .view-options {
        justify-content: center;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
}