#canvas-area {
    position: relative;
    overflow: auto;
    background:
        linear-gradient(#edf1f6 1px, transparent 1px),
        linear-gradient(90deg, #edf1f6 1px, transparent 1px);
    background-size: 24px 24px;
    cursor: default;
}

#canvas {

    position:absolute;

    top:0;
    left:0;

    width:1px;
    height:1px;

    transform-origin:0 0;

}

.node {

    position:absolute;

    z-index:10;

    width:340px;

    min-width:260px;

    min-height:220px;

    resize:both;

    overflow:auto;

    background:#ffffff;

    border:1px solid #e5e7eb;

    border-radius:14px;

    box-shadow:
        0 8px 24px rgba(15,23,42,.08);

    transition:
        box-shadow .12s,
        border-color .12s;

    will-change:left, top;

}

.node:hover{

    border-color:#d1d5db;

    box-shadow:
        0 14px 34px rgba(15,23,42,.14);

}

.node.dragging{

    z-index:1000;

    cursor:grabbing;

    box-shadow:
        0 18px 40px rgba(15,23,42,.22);

}

.node.selected {
    border-color:#2563eb;
    box-shadow:
        0 0 0 3px rgba(37,99,235,.18),
        0 10px 28px rgba(15,23,42,.12);
}

.node.dragging{

    opacity:.94;

    cursor:grabbing;

    box-shadow:
        0 24px 48px rgba(15,23,42,.28);

}

.node-header {
    display: flex;
    align-items: stretch;
    padding: 10px 14px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
    cursor: move;
}

.node-header-main{
    display:flex;
    flex-direction:column;
    gap:4px;
    width:100%;
    min-width:0;
}

.node-header-top{

    display:flex;

    align-items:center;

    justify-content:space-between;

    gap:12px;

}

.node-object-type{

    display:flex;

    align-items:center;

    gap:8px;

    min-width:0;

}

.node-object-icon{

    width:18px;

    display:flex;

    align-items:center;

    justify-content:center;

    font-size:13px;

    line-height:1;

    flex-shrink:0;

}

.node-object-label{

    display:inline-flex;

    align-items:center;

    padding:2px 8px;

    border-radius:999px;

    font-size:10px;

    font-weight:700;

    letter-spacing:.06em;

    text-transform:uppercase;

    background:#dbeafe;

    color:#1d4ed8;

}

.node-header-location{

    display:flex;

    align-items:center;

    gap:6px;

    font-size:11px;

    color:#6b7280;

    white-space:nowrap;

    overflow:hidden;

    text-overflow:ellipsis;

}

.node-location-separator{
    margin:0 6px;
}

.node-save-status{
    display:flex;
    align-items:center;
    gap:6px;

    flex-shrink:0;

    font-size:11px;
    color:#6b7280;
}

.node-status{
    font-weight:600;
    color:#374151;
}

.node-status-divider{
    color:#d1d5db;
}

.node-title{
    width:100%;
    margin:4px 0 0 0;
    padding:0;
    border:none;
    outline:none;
    background:transparent;

    font-size:15px;
    font-weight:700;
    line-height:1.35;

    color:#111827;

    text-overflow:ellipsis;
}

.node-title:focus{
    background:#ffffff;
    border-radius:4px;
}

.node-type {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #2563eb;
}

.node-body {
    padding:16px;

    color:#374151;

    font-size:14px;

    line-height:1.65;

    min-height:90px;

    word-break:break-word;

    overflow-wrap:anywhere;
}

.node-footer {
    display:flex;

    align-items:center;

    justify-content:space-between;

    padding:8px 14px;

    border-top:1px solid #e5e7eb;

    background:#fafafa;
}

.node-meta {
    font-size: 12px;
    color: #6b7280;
}

.node-actions {
    display: flex;
    gap: 6px;
}

.node-button {

    width:28px;

    height:28px;

    display:flex;

    align-items:center;

    justify-content:center;

    border:none;

    border-radius:6px;

    background:#edf2f7;

    cursor:pointer;

    transition:
        background .12s,
        transform .08s;

}

.node-button:hover{

    background:#dbeafe;

    transform:translateY(-1px);

}

.node-button:active{

    transform:translateY(1px);

}

.connection-layer{
    position:absolute;
    inset:0;
    overflow:visible;
    pointer-events:none;
}

.connection-layer path{
    pointer-events:stroke;
    cursor:pointer;
    transition:stroke-width .08s linear;
}

.connection-layer path.selected{
    stroke:#f59e0b;
    stroke-width:5;
}

.selection-box{
    display:none;
    position:absolute;
    pointer-events:none;
    border:1px solid #2563eb;
    background:rgba(37,99,235,0.12);
    box-sizing:border-box;
    z-index:9999;
}

.node.selected{
    outline:2px solid #2563eb;
    outline-offset:2px;
}

.node.pinned{
    border-color:#f59e0b;
    box-shadow:
        0 0 0 2px rgba(245,158,11,.18),
        0 8px 24px rgba(15,23,42,.08);
}

.node.pinned .node-header{
    background:#fffbeb;
}

.node.collapsed{

    min-height:auto;

    height:auto !important;

    resize:none;

}

.node.collapsed .node-body,

.node.collapsed .node-footer{

    display:none;

}

.node.collapsed .node-header{

    border-bottom:none;

}