.fusion_chat_panel {
    .fusion_chat_messages {
        max-height: 500px;
        min-height: 300px;
    }

    .fusion_chat_msg {
        word-break: break-word;
        animation: fusionFadeIn 0.25s ease;
    }

    .fusion_ai_msg {
        background: var(--o-view-background-color);
        border: 1px solid var(--o-border-color);
        border-radius: 0.75rem;
    }

    // Live thinking block
    .fusion_live_status {
        animation: fusionPulse 2s ease-in-out infinite;
    }

    .fusion_thinking_block {
        animation: fusionFadeIn 0.3s ease;
    }

    .fusion_rich_content {
        font-size: 0.9rem;
        line-height: 1.5;

        h3, h4, h5 {
            font-weight: 600;
            color: var(--o-main-color-5, inherit);
        }

        table {
            font-size: 0.85rem;
        }

        a {
            color: var(--o-action-color, var(--bs-link-color));
            text-decoration: none;
            &:hover {
                text-decoration: underline;
            }
        }

        a.badge {
            font-size: 0.75rem;
            cursor: pointer;
        }

        code {
            font-size: 0.85em;
        }

        hr {
            border-color: var(--o-border-color);
        }

        ul, ol {
            margin-bottom: 0.25rem;
        }

        li {
            margin-bottom: 0.15rem;
        }

        strong {
            font-weight: 600;
        }
    }

    // Session picker dropdown
    .fusion_session_picker {
        flex-shrink: 0;

        .fusion_session_item {
            transition: background 0.15s ease;
            &:hover {
                background: rgba(var(--bs-body-color-rgb), 0.06);
            }
        }
    }

    // Conversation starters
    .fusion_starter.btn {
        font-size: 0.8rem;
        border-radius: 1rem;
        padding: 0.3rem 0.8rem;
        transition: all 0.15s ease;
        background: transparent;
        color: var(--bs-body-color);
        border-color: var(--o-border-color, var(--bs-border-color));
        &:hover, &:focus, &:active {
            background: var(--o-action-color, #714B67) !important;
            color: #fff !important;
            border-color: var(--o-action-color, #714B67) !important;
        }
    }

    .fusion_chat_input {
        flex-shrink: 0;

        textarea {
            resize: none;
            font-size: 0.88rem;
            min-height: 42px;
            max-height: 120px;
            line-height: 1.5;
            // Vertically centre single-line placeholder
            padding: 0.5rem 0.75rem;
            &::placeholder { opacity: 0.5; }
        }

        // Wider send button
        .btn-primary {
            min-width: 52px;
            padding-left: 0.85rem;
            padding-right: 0.85rem;
        }

        // Paperclip button
        .btn-outline-secondary {
            border-right: none;
        }
    }

    .fusion_image_preview {
        animation: fusionFadeIn 0.2s ease;
    }

    .fusion_approval_row {
        td {
            vertical-align: middle;
        }
        &:hover {
            background: rgba(var(--bs-body-color-rgb), 0.04);
        }
    }

    // Collapsible tool calls log
    .fusion_tool_calls {
        summary {
            cursor: pointer;
            list-style: none;
            &::-webkit-details-marker { display: none; }
            &::before {
                content: "\f105"; // fa-angle-right
                font-family: FontAwesome;
                display: inline-block;
                width: 0.8em;
                font-size: 0.75rem;
                transition: transform 0.15s ease;
            }
        }
        &[open] > summary::before {
            transform: rotate(90deg);
        }

        code {
            color: var(--o-action-color, var(--bs-primary));
            background: rgba(var(--bs-body-color-rgb), 0.04);
            padding: 0.1em 0.3em;
            border-radius: 0.2rem;
        }
    }

    // Reconciliation table styles
    .fusion_recon_table {
        border: 1px solid var(--o-border-color);
        border-radius: 0.375rem;
        overflow: hidden;
        background: var(--o-view-background-color);

        .table {
            font-size: 0.82rem;
            margin-bottom: 0;

            thead th {
                font-weight: 600;
                font-size: 0.78rem;
                white-space: nowrap;
                background: rgba(var(--bs-body-color-rgb), 0.03);
                border-bottom: 2px solid var(--o-border-color);
            }

            tbody tr {
                transition: background-color 0.15s ease;
                &:hover { background: rgba(var(--bs-body-color-rgb), 0.04); }
            }

            .fit-content { width: 1%; white-space: nowrap; }
        }

        .fusion_apply_amount {
            font-size: 0.8rem;
            padding: 0.15rem 0.35rem;
            background: transparent;
            border: 1px solid var(--o-border-color);
            color: inherit;
            text-align: right;

            &:focus {
                background: var(--o-view-background-color);
                border-color: var(--o-action-color, var(--bs-primary));
                box-shadow: 0 0 0 0.15rem rgba(var(--bs-primary-rgb), 0.15);
            }
        }

        .fusion_recon_search {
            background: rgba(var(--bs-body-color-rgb), 0.02);
        }

        .fusion_search_results {
            position: absolute;
            left: 0.5rem;
            right: 0.5rem;
            top: 100%;
            z-index: 10;
            background: var(--o-view-background-color);
            border: 1px solid var(--o-border-color);
            border-radius: 0.375rem;
            box-shadow: 0 4px 12px rgba(var(--bs-body-color-rgb), 0.15);
            max-height: 200px;
            overflow-y: auto;

            .list-group-item {
                border: none;
                border-bottom: 1px solid var(--o-border-color);
                background: transparent;
                color: inherit;

                &:hover {
                    background: rgba(var(--bs-primary-rgb), 0.06);
                }

                &:last-child { border-bottom: none; }
            }
        }

        .fusion_match_total {
            background: rgba(var(--bs-body-color-rgb), 0.02);
        }
    }

    // Interactive table styles
    .fusion_interactive_table {
        border: 1px solid var(--o-border-color);
        border-radius: 0.375rem;
        overflow: hidden;
        background: var(--o-view-background-color);

        .table {
            font-size: 0.85rem;
            margin-bottom: 0;

            thead th {
                font-weight: 600;
                font-size: 0.8rem;
                white-space: nowrap;
                background: rgba(var(--bs-body-color-rgb), 0.03);
                border-bottom: 2px solid var(--o-border-color);
            }

            tbody tr {
                transition: background-color 0.15s ease;

                &:hover {
                    background: rgba(var(--bs-body-color-rgb), 0.04);
                }

                &.table-active {
                    background: rgba(var(--bs-primary-rgb), 0.06);
                }
            }

            td {
                vertical-align: middle;
            }
        }

        .fit-content {
            width: 1%;
            white-space: nowrap;
        }

        // Row note input
        .fusion_row_note {
            font-size: 0.8rem;
            padding: 0.2rem 0.4rem;
            background: transparent;
            border: 1px solid var(--o-border-color);
            color: inherit;

            &:focus {
                background: var(--o-view-background-color);
                border-color: var(--o-action-color, var(--bs-primary));
                box-shadow: 0 0 0 0.15rem rgba(var(--bs-primary-rgb), 0.15);
            }

            &::placeholder {
                opacity: 0.4;
            }
        }

        // Recommendation badges
        .badge {
            font-size: 0.7rem;
            font-weight: 500;
            padding: 0.2em 0.5em;
        }

        // Action bar at bottom
        .fusion_table_action_bar {
            background: rgba(var(--bs-body-color-rgb), 0.02);
            border-top: 1px solid var(--o-border-color);

            .btn-sm {
                font-size: 0.78rem;
                padding: 0.25rem 0.6rem;
            }
        }
    }
}

// ================================================================
// Animations
// ================================================================
@keyframes fusionFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fusionPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}