.ba-container {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    user-select: none;
    touch-action: none;
    border-radius: 8px;
}

.ba-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.ba-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.ba-container.horizontal .ba-before {
    clip-path: inset(0 50% 0 0);
}

.ba-container.vertical .ba-before {
    clip-path: inset(0 0 50% 0);
}

.ba-tag {
    position: absolute;
    top: 12px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    z-index: 2;
    pointer-events: none;
}

.ba-tag-before { left: 12px; }
.ba-tag-after { right: 12px; }

.ba-handle {
    position: absolute;
    top: 0;
    left: 50%;
    height: 100%;
    width: 0;
    z-index: 3;
    cursor: ew-resize;
    transform: translateX(-50%);
}

.ba-container.vertical .ba-handle {
    left: 0;
    top: 50%;
    width: 100%;
    height: 0;
    transform: translateY(-50%);
    cursor: ns-resize;
}

.ba-handle-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: var(--handle-color, #fff);
    transform: translateX(-50%);
    box-shadow: 0 0 4px rgba(0,0,0,0.4);
}

.ba-container.vertical .ba-handle-line {
    left: 0;
    top: 50%;
    width: 100%;
    height: 3px;
    transform: translateY(-50%);
}

.ba-handle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--handle-color, #fff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}