.variant4-controls {display:flex;align-items:center;gap:18px;padding:8px 12px;background:#152334;border:1px solid #34465d;border-radius:6px;font-size:12px;white-space:nowrap;overflow-x:auto}
.variant4-controls label {display:flex;align-items:center;gap:7px}
.variant4-controls input[type=range] {width:135px;height:16px}
.variant4-controls input[type=checkbox] {accent-color:#82b9e3}
.variant4-filter-panel {position:fixed;z-index:24;right:28px;top:150px;width:360px;max-width:calc(100vw - 32px);max-height:calc(100vh - 180px);overflow:auto;background:#142331;border:1px solid #536d87;border-radius:10px;padding:16px;box-shadow:0 15px 48px #0009}
.variant4-filter-panel header {display:flex;align-items:center;justify-content:space-between;gap:8px}
.variant4-filter-panel p {font-size:12px;line-height:1.5;color:#b0c1d1}
.variant4-filter-panel fieldset {border:1px solid #3d5368;border-radius:5px;margin:12px 0;padding:10px}
.variant4-filter-options {display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:12px;margin-top:8px}
.variant4-filter-options label {display:flex;align-items:center;gap:7px}
.portal-area-node {cursor:grab}
.portal-area-node text {pointer-events:none}