/* ====== ADMIN SPECIFIC STYLES ====== */
:root {
    --admin-primary: #2c5fa5;
    --admin-secondary: #28a745;
    --admin-warning: #ffc107;
    --admin-danger: #dc3545;
    --admin-light: #f8f9fa;
    --admin-dark: #343a40;
    --admin-border: #dee2e6;
    --admin-success: #198754;
}

/* Admin Header */
.admin-header {
    background: linear-gradient(135deg, var(--admin-primary), #1a3d7a);
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.back-btn:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateX(-5px);
}

/* Admin Navigation */
.admin-navigation {
    background-color: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 99;
}

.admin-nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    overflow-x: auto;
}

.admin-nav-list li {
    flex: 1;
    min-width: 150px;
}

.admin-nav-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    text-align: center;
    justify-content: center;
}

.admin-nav-list a:hover {
    background-color: var(--light-gray);
    color: var(--admin-primary);
}

.admin-nav-list a.active {
    color: var(--admin-primary);
    border-bottom-color: var(--admin-primary);
    background-color: rgba(44, 95, 165, 0.05);
}

/* Admin Main */
.admin-main {
    padding: 2rem 0;
    min-height: calc(100vh - 300px);
}

.admin-section {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
    overflow: hidden;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    background-color: var(--light-gray);
    border-bottom: 1px solid var(--admin-border);
    flex-wrap: wrap;
    gap: 20px;
}

.section-header h2 {
    font-size: 1.5rem;
    color: var(--admin-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.search-control {
    position: relative;
}

.search-control input {
    padding: 10px 15px 10px 40px;
    border: 2px solid var(--admin-border);
    border-radius: var(--border-radius);
    width: 250px;
}

.search-control i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-dark);
}

/* Ajeti Table */
.ajeti-table-container {
    overflow-x: auto;
    padding: 0;
}

.ajeti-table {
    width: 100%;
    border-collapse: collapse;
}

.ajeti-table th {
    background-color: var(--light-gray);
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--admin-dark);
    border-bottom: 2px solid var(--admin-border);
    white-space: nowrap;
}

.ajeti-table td {
    padding: 15px;
    border-bottom: 1px solid var(--admin-border);
    vertical-align: middle;
}

.ajeti-table tbody tr:hover {
    background-color: rgba(44, 95, 165, 0.03);
}

.table-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    max-width: 200px;
}

.table-tag {
    padding: 3px 8px;
    background-color: var(--light-gray);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--text-light);
}

.table-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    background-color: transparent;
}

.edit-btn {
    color: var(--admin-primary);
    border: 1px solid var(--admin-primary);
}

.edit-btn:hover {
    background-color: var(--admin-primary);
    color: white;
}

.delete-btn {
    color: var(--admin-danger);
    border: 1px solid var(--admin-danger);
}

.delete-btn:hover {
    background-color: var(--admin-danger);
    color: white;
}

.view-btn {
    color: var(--admin-success);
    border: 1px solid var(--admin-success);
}

.view-btn:hover {
    background-color: var(--admin-success);
    color: white;
}

.status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

.status-approved {
    background-color: #d4edda;
    color: #155724;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-rejected {
    background-color: #f8d7da;
    color: #721c24;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    gap: 20px;
    border-top: 1px solid var(--admin-border);
}

.pagination-btn {
    padding: 10px 20px;
    background-color: var(--admin-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination-btn:disabled {
    background-color: var(--admin-border);
    cursor: not-allowed;
    opacity: 0.6;
}

.pagination-btn:not(:disabled):hover {
    background-color: var(--admin-dark);
}

.page-info {
    font-weight: 600;
    color: var(--admin-dark);
}

/* Form Styles */
.form-container {
    padding: 30px;
}

.ajet-form {
    max-width: 1200px;
    margin: 0 auto;
}

.form-section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--light-gray);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    font-size: 1.3rem;
    color: var(--admin-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.form-group {
    flex: 1;
    min-width: 200px;
}

.form-group.full-width {
    flex: 1 1 100%;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--admin-dark);
}

.form-group .required {
    color: var(--admin-danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--admin-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(44, 95, 165, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--admin-dark);
    margin-top: 5px;
    font-style: italic;
}

/* Tags Input */
.tags-input-container {
    margin-top: 5px;
}

.tags-input {
    border: 2px solid var(--admin-border);
    border-radius: var(--border-radius);
    padding: 8px;
    background-color: white;
}

.tags-input input {
    border: none;
    outline: none;
    width: 100%;
    padding: 5px;
    font-size: 1rem;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
    min-height: 34px;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: var(--admin-primary);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
}

.tag-item button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tags-suggestions {
    margin-top: 10px;
}

.suggestion-title {
    font-size: 0.9rem;
    color: var(--admin-dark);
    margin-right: 10px;
}

.suggestion-tags {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 5px;
}

.tag-suggestion {
    padding: 4px 10px;
    background-color: var(--light-gray);
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--admin-dark);
    cursor: pointer;
    transition: var(--transition);
}

.tag-suggestion:hover {
    background-color: var(--admin-primary);
    color: white;
}

/* Dokazi, Naučnici i Dodatne informacije */
.dokaz-item,
.naucnik-item,
.dodatna-info-item {
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid var(--admin-primary);
}

.dokaz-header,
.naucnik-header,
.dodatna-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dokaz-header h4,
.naucnik-header h4,
.dodatna-info-header h4 {
    color: var(--admin-primary);
    margin: 0;
}

.remove-dokaz,
.remove-naucnik,
.remove-dodatna-info {
    padding: 8px 15px;
    background-color: var(--admin-danger);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.remove-dokaz:hover,
.remove-naucnik:hover,
.remove-dodatna-info:hover {
    background-color: #c82333;
}

.add-item-btn {
    padding: 12px 24px;
    background-color: var(--admin-secondary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
    transition: var(--transition);
}

.add-item-btn:hover {
    background-color: #218838;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 2px solid var(--light-gray);
}

.submit-btn {
    padding: 15px 30px;
    background-color: var(--admin-success);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: #157347;
}

.preview-btn {
    padding: 15px 30px;
    background-color: var(--admin-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.preview-btn:hover {
    background-color: var(--admin-dark);
}

.form-message {
    padding: 10px 15px;
    border-radius: var(--border-radius);
    margin-left: 20px;
    font-weight: 600;
    flex: 1;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Statistika */
.stats-container {
    padding: 30px;
}

.admin-stat .stat-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
}

.admin-stat .stat-info h3 {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.chart-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-card h3 {
    margin-bottom: 20px;
    color: var(--admin-primary);
    font-size: 1.2rem;
}

.chart-wrapper {
    position: relative;
    height: 300px;
    width: 100%;
}

.activity-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.activity-list {
    max-height: 400px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-bottom: 1px solid var(--light-gray);
}

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

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-primary);
}

.activity-details {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    margin-bottom: 5px;
}

.activity-time {
    font-size: 0.85rem;
    color: var(--text-light);
}

.activity-action {
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
}

.activity-add {
    background-color: #d4edda;
    color: #155724;
}

.activity-edit {
    background-color: #fff3cd;
    color: #856404;
}

.activity-delete {
    background-color: #f8d7da;
    color: #721c24;
}

/* Settings */
.settings-container {
    padding: 30px;
}

.settings-tabs {
    display: flex;
    border-bottom: 2px solid var(--light-gray);
    margin-bottom: 30px;
}

.settings-tab {
    padding: 15px 30px;
    cursor: pointer;
    font-weight: 600;
    color: var(--admin-dark);
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.settings-tab:hover {
    color: var(--admin-primary);
    background-color: rgba(44, 95, 165, 0.05);
}

.settings-tab.active {
    color: var(--admin-primary);
    border-bottom-color: var(--admin-primary);
    background-color: rgba(44, 95, 165, 0.05);
}

.settings-tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.settings-tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.backup-actions {
    display: flex;
    gap: 15px;
    margin: 20px 0;
}

.backup-btn,
.restore-btn,
.export-btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.backup-btn {
    background-color: var(--admin-success);
    color: white;
}

.backup-btn:hover {
    background-color: #157347;
}

.restore-btn {
    background-color: var(--admin-warning);
    color: #212529;
}

.restore-btn:hover {
    background-color: #e0a800;
}

.export-btn {
    background-color: var(--admin-primary);
    color: white;
}

.export-btn:hover {
    background-color: var(--admin-dark);
}

.backup-list {
    margin-top: 30px;
}

.backup-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    margin-bottom: 10px;
}

.backup-info h5 {
    margin: 0 0 5px 0;
    color: var(--admin-dark);
}

.backup-size {
    font-size: 0.9rem;
    color: var(--text-light);
}

.users-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.users-table th,
.users-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
}

.role-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.role-admin {
    background-color: var(--admin-primary);
    color: white;
}

.add-user-btn {
    padding: 12px 24px;
    background-color: var(--admin-success);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Modals */
.preview-modal {
    max-width: 1000px;
}

.confirm-modal {
    max-width: 500px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    padding: 20px 30px;
    border-top: 1px solid var(--light-gray);
}

.cancel-btn {
    padding: 10px 20px;
    background-color: var(--admin-border);
    color: var(--admin-dark);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
}

.confirm-btn {
    padding: 10px 20px;
    background-color: var(--admin-danger);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
}

/* Admin Footer */
.admin-footer {
    background-color: var(--admin-dark);
    margin-top: 0;
}

.admin-footer .footer-info p {
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive */
@media (max-width: 992px) {
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-controls {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .admin-nav-list {
        flex-direction: column;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-group {
        min-width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .form-message {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
        text-align: center;
    }
    
    .table-actions {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .section-controls {
        flex-direction: column;
    }
    
    .search-control input {
        width: 100%;
    }
    
    .settings-tabs {
        flex-direction: column;
    }
}