/* ============================================================
   LAYOUT MANAGER — Resize Handles & Panel Controls
   ============================================================ */

/* Resize handles - overlayed on panel borders */
.layout-resize-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 5px;
    cursor: col-resize;
    background: transparent;
    z-index: 30;
    transition: background 0.15s;
}

.layout-resize-handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 3px;
    height: 32px;
    background: var(--border);
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.15s;
}

.layout-resize-handle:hover::after,
.layout-resize-handle.active::after {
    opacity: 1;
}

.layout-resize-handle:hover {
    background: rgba(61, 139, 255, 0.08);
}

.layout-resize-handle.active {
    background: rgba(61, 139, 255, 0.15);
}