/* KB-Powered Chat Widget Additional Styles */

/* KB Badge in header */
.chat-kb-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.3);
}

/* Character count */
.chat-char-count {
    font-size: 11px;
    color: #95a5a6;
    text-align: right;
    padding: 4px 12px 8px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Citations Section */
.chat-citations {
    margin-top: 12px;
    padding: 12px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    border-left: 3px solid #667eea;
    border-radius: 8px;
}

.chat-citations-title {
    font-size: 13px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-citation {
    background: white;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.chat-citation:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.chat-citation:last-child {
    margin-bottom: 0;
}

.chat-citation-number {
    display: inline-block;
    background: #667eea;
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    margin-right: 8px;
}

.chat-citation-source {
    font-size: 12px;
    font-weight: 600;
    color: #34495e;
    font-family: 'Courier New', monospace;
}

.chat-citation-content {
    font-size: 12px;
    color: #5a6c7d;
    margin-top: 6px;
    line-height: 1.5;
    font-style: italic;
}

/* Recommendations Section */
.chat-recommendations {
    margin-top: 12px;
}

.chat-recommendations-title {
    font-size: 13px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-recommendation-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: #7f8c8d;
    margin-top: 8px;
    flex-wrap: wrap;
}

.chat-recommendation-authors,
.chat-recommendation-date {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Enhanced welcome examples for KB */
.chat-welcome-example {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 13px;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.2);
}

.chat-welcome-example:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Expanded view adjustments for citations */
.chat-window.expanded .chat-citations {
    max-width: 100%;
}

.chat-window.expanded .chat-citation-content {
    max-height: none;
}

/* Mobile responsiveness for citations */
@media (max-width: 768px) {
    .chat-citations {
        padding: 10px;
    }
    
    .chat-citation {
        padding: 8px;
    }
    
    .chat-citation-content {
        font-size: 11px;
    }
    
    .chat-kb-badge {
        font-size: 9px;
        padding: 2px 5px;
    }
}

/* Dark mode support for citations */
@media (prefers-color-scheme: dark) {
    .chat-citations {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
        border-left-color: #667eea;
    }
    
    .chat-citations-title {
        color: #ecf0f1;
    }
    
    .chat-citation {
        background: #34495e;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }
    
    .chat-citation:hover {
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    }
    
    .chat-citation-source {
        color: #ecf0f1;
    }
    
    .chat-citation-content {
        color: #bdc3c7;
    }
    
    .chat-recommendations-title {
        color: #ecf0f1;
    }
}

/* Source Attribution Badge */
.chat-source-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 8px;
    letter-spacing: 0.3px;
    vertical-align: middle;
}

.chat-source-kb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 1px 3px rgba(102, 126, 234, 0.3);
}

.chat-source-mcp {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    color: white;
    box-shadow: 0 1px 3px rgba(33, 150, 243, 0.3);
}

/* Mobile responsiveness for source badges */
@media (max-width: 768px) {
    .chat-source-badge {
        font-size: 9px;
        padding: 2px 6px;
        margin-left: 6px;
    }
}

/* Dark mode support for source badges */
@media (prefers-color-scheme: dark) {
    .chat-source-kb {
        box-shadow: 0 1px 3px rgba(102, 126, 234, 0.5);
    }

    .chat-source-mcp {
        box-shadow: 0 1px 3px rgba(33, 150, 243, 0.5);
    }
}

/* ============================================
   Chat History Panel
   ============================================ */

.chat-history-btn,
.chat-new-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: background 0.2s;
}

.chat-history-btn:hover,
.chat-new-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.chat-history-panel {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    z-index: 10;
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    overflow: hidden;
}

.chat-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #232f3e;
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
}

.chat-history-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
}

.chat-history-close-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.chat-history-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.chat-history-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
    margin-bottom: 4px;
}

.chat-history-item:hover {
    background: #f5f5f5;
}

.chat-history-item-info {
    flex: 1;
    min-width: 0;
}

.chat-history-item-title {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #232f3e;
}

.chat-history-item-date {
    font-size: 0.75rem;
    color: #95a5a6;
    margin-top: 2px;
}

.chat-history-item-delete {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 4px 6px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.15s;
}

.chat-history-item:hover .chat-history-item-delete {
    opacity: 1;
}

.chat-history-item-delete:hover {
    background: rgba(231, 76, 60, 0.1);
}

.chat-history-empty {
    text-align: center;
    padding: 40px 20px;
    color: #95a5a6;
    font-size: 0.9rem;
}