/* Documents Page Styles */
.page-header {
    padding: 0;
    color: white;
}

.page-header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    /*margin-bottom: 20px;*/
    font-size: 14px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #3498db;
}

.breadcrumb .separator {
    color: rgba(255, 255, 255, 0.5);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: white;
}

.page-header p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* Documents Section */
.documents-section {
    padding-top: 20px;
    min-height: 60vh;
}

.documents-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Search and Filter */
.search-filter-box {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.search-box {
    flex: 1;
    min-width: 300px;
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #333;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-box input:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.search-box button {
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.search-box button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
}

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

.filter-box select {
    padding: 15px 20px;
    border: 2px solid #333;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.filter-box select:focus {
    outline: none;
    border-color: #00d4ff;
}

.filter-box select option {
    background: #1a1a2e;
    color: #fff;
}

/* Documents Grid */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.document-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.document-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00d4ff, #ff6b6b, #4ecdc4, #45b7d1);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 200% 0; }
    50% { background-position: -200% 0; }
}

.document-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.3);
}

/* Document Thumbnail */
.document-thumbnail {
    height: 50px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, #2c3e50, #34495e);
}

.document-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.document-item:hover .document-thumbnail img {
    transform: scale(1.05);
}

.document-overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: flex-end;
}

.document-format,
.document-pages {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.document-format {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
}

.document-pages {
    background: linear-gradient(45deg, #3498db, #2980b9);
}

/* Document Content */
.document-content {
    padding: 10px;
}

.document-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.document-type {
    background: linear-gradient(45deg, #9b59b6, #8e44ad);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.document-rating {
    display: flex;
    gap: 3px;
}

.document-rating i {
    font-size: 14px;
    color: #ddd;
    transition: color 0.3s ease;
}

.document-rating i.active {
    color: #f39c12;
}

.document-title {
    margin: 15px 0;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.document-title a:hover {
    color: #00d4ff;
}

.document-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Document Stats */
.document-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.stat-item i {
    color: #00d4ff;
    font-size: 14px;
    width: 14px;
    text-align: center;
}

/* Document Actions */
.document-actions {
    display: flex;
    gap: 10px;
}

.view-btn,
.download-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.view-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.view-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
}

.download-btn {
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    color: white;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(39, 174, 96, 0.3);
}

/* Universities Section (for subject.html) */
universities-section {
    padding: 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 60vh;
}

.universities-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.universities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 30px;
}

.university-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.university-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00d4ff, #ff6b6b, #4ecdc4, #45b7d1);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

.university-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.3);
}

.university-header {
    display: flex;
    gap: 20px;
    /*margin-bottom: 20px;*/
}

.university-image {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(45deg, #34495e, #2c3e50);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.university-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.university-info {
    flex: 1;
}

.university-name {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 5px;
    line-height: 1.3;
}

.university-short-name {
    color: #00d4ff;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 10px;
}

.university-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

.university-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 25px;
    padding: 15px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.stat-item i {
    color: #00d4ff;
    font-size: 20px;
}

.stat-number {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.university-actions {
    display: flex;
    gap: 15px;
}

.view-documents-btn,
.visit-website-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    text-align: center;
}

.view-documents-btn {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
}

.view-documents-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.3);
    color: white;
}

.visit-website-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.visit-website-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.page-numbers {
    display: flex;
    gap: 5px;
}

.page-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.3);
}

.page-btn.active {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    border-color: transparent;
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-dots {
    color: rgba(255, 255, 255, 0.6);
    padding: 0 10px;
    font-weight: 600;
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
    max-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid #27ae60;
}

.notification.error {
    border-left: 4px solid #e74c3c;
}

.notification.info {
    border-left: 4px solid #3498db;
}

.notification i {
    font-size: 18px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .universities-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
    
    .documents-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .search-filter-box {
        flex-direction: column;
        gap: 20px;
    }
    
    .search-box {
        min-width: auto;
    }
    
    .filter-box {
        justify-content: stretch;
    }
    
    .filter-box select {
        flex: 1;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .universities-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .university-header {
        flex-direction: column;
        text-align: center;
    }
    
    .university-image {
        align-self: center;
    }
    
    .university-stats {
        justify-content: space-around;
    }
    
    .university-actions {
        flex-direction: column;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
        font-size: 12px;
    }
}

@media (max-width: 576px) {
    .document-content {
        padding: 20px;
    }
    
    .university-item {
        padding: 20px;
    }
    
    /*.document-stats {*/
    /*    grid-template-columns: 1fr;*/
    /*    gap: 8px;*/
    /*}*/
    
    .document-actions {
        flex-direction: column;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .search-box button {
        padding: 12px 20px;
    }
}