.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-upload { align-items: center; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-zoom,
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-zoom output { min-width: 48px; text-align: center; font-variant-numeric: tabular-nums; font-size: 14px; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-stage { position: relative; display: block; width: 100%; height: min(64vh, 620px); min-height: 320px; overflow: hidden; background: #eeeae3; border: 1px solid #d7d2c9; border-radius: 12px; }
.pbnc-tool[data-pbnc-tool="reference"] [data-ref-canvas] { display: block; width: 100%; height: 100%; max-width: none; touch-action: pan-y; outline-offset: -4px; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-stage.is-ready [data-ref-canvas] { cursor: grab; touch-action: none; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-stage.is-marking [data-ref-canvas] { cursor: crosshair; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-stage.is-dragging [data-ref-canvas] { cursor: grabbing; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-empty { position: absolute; top: 50%; left: 50%; width: 80%; margin: 0; text-align: center; transform: translate(-50%, -50%); pointer-events: none; color: #70685e; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-empty[hidden] { display: none; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-adjustments { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 18px; margin: 20px 0 14px; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-adjustments label { flex: 1 1 160px; min-width: 0; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-adjustments output { font-weight: 400; font-size: 13px; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-adjustments input { display: block; width: 100%; margin-top: 8px; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-toolbar button { min-height: 42px; padding: 9px 13px; white-space: nowrap; }
.pbnc-tool[data-pbnc-tool="reference"] button[aria-pressed="true"] { background: #302d29; color: #fff; border-color: #302d29; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-workspace:fullscreen { overflow: auto; padding: 20px; background: #fffdf8; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-workspace:fullscreen .pbnc-ref-stage { height: calc(100vh - 245px); min-height: 180px; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-workspace.is-expanded { position: fixed; inset: 0; z-index: 2147483000; padding: 16px; overflow: auto; background: #fffdf8; margin: 0; border-radius: 0; }
.pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-workspace.is-expanded .pbnc-ref-stage { height: calc(100dvh - 285px); min-height: 180px; }
@media (max-width: 600px) {
    .pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-stage { height: 48vh; min-height: 290px; }
    .pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-toolbar { gap: 8px; }
    .pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-toolbar button { padding: 8px 10px; font-size: 13px; }
    .pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-adjustments { gap: 12px; }
    .pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-adjustments label { flex-basis: 42%; }
    .pbnc-tool[data-pbnc-tool="reference"] .pbnc-ref-workspace:fullscreen .pbnc-ref-stage { height: calc(100dvh - 325px); }
}