/* Admin Panel Styles */

.tab-navigation {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 25px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: var(--bg-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

/* Admin Form */
.admin-form {
    padding: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

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

.form-hint {
    display: block;
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

/* Articles List */
.articles-list {
    padding: 20px;
    max-height: 600px;
    overflow-y: auto;
}

.article-item,
.module-item,
.conversation-item {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s;
}

.article-item:last-child,
.module-item:last-child,
.conversation-item:last-child {
    border-bottom: none;
}

.article-item:hover,
.module-item:hover,
.conversation-item:hover {
    background: var(--bg-color);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    gap: 15px;
}

.item-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.item-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.item-summary {
    color: var(--text-secondary);
    margin: 10px 0;
    line-height: 1.6;
}

.item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

.item-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.item-meta i {
    color: var(--primary-color);
}

.item-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.item-actions button {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Conversation Item Specific */
.conversation-item {
    position: relative;
}

.conversation-question {
    background: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    border-left: 3px solid var(--primary-color);
}

.conversation-answer {
    background: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    border-left: 3px solid var(--success-color);
}

.conversation-question strong,
.conversation-answer strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.conversation-answer strong {
    color: var(--success-color);
}

/* Empty State */
.empty-list {
    text-align: center;
    padding: 60px 20px;
}

.empty-list i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 15px;
}

.empty-list h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.empty-list p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Success/Error Messages */
.form-message {
    margin-bottom: 20px;
}

/* Module Checklist Display */
.checklist-preview {
    background: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
}

.checklist-preview h4 {
    font-size: 0.95rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.checklist-preview ul {
    list-style: none;
    padding: 0;
}

.checklist-preview li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.checklist-preview li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tab-navigation {
        flex-direction: column;
        gap: 0;
    }

    .tab-btn {
        border-bottom: 1px solid var(--border-color);
        border-left: 3px solid transparent;
    }

    .tab-btn.active {
        border-bottom: 1px solid var(--border-color);
        border-left-color: var(--primary-color);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions button {
        width: 100%;
    }

    .item-header {
        flex-direction: column;
    }

    .item-actions {
        flex-direction: column;
    }

    .item-actions button {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .page-header,
    .tab-navigation,
    .form-actions,
    .item-actions {
        display: none;
    }

    .articles-list {
        max-height: none;
    }
}