.border-controls{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:start}.border-controls fieldset.control{border:0;margin:0;padding:0;min-width:0}.border-controls legend{font-size:var(--text-sm);font-weight:600;color:var(--color-text);padding:0;margin-bottom:var(--space-2)}.bd-radio,.bd-check{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--color-text);cursor:pointer;min-height:44px}.bd-modes,.bd-units{display:flex;flex-wrap:wrap;gap:var(--space-4)}.bd-modes legend,.bd-units legend,.bd-units .control-note{width:100%}.bd-side-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-3)}.bd-side-grid.is-linked{grid-template-columns:minmax(0,1fr);max-width:200px}.bd-side{display:flex;flex-direction:column;gap:var(--space-1);min-width:0}.bd-side label{font-size:var(--text-xs);color:var(--color-text-muted)}.bd-side input[type=number]{width:100%;padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--text-sm);font-family:inherit;font-variant-numeric:tabular-nums;color:var(--color-text);background:var(--color-bg);min-height:44px;min-width:0}.border-controls input[type=number]:focus-visible,.border-controls input[type=color]:focus-visible,.border-controls input[type=radio]:focus-visible,.border-controls input[type=checkbox]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.bd-fill{display:flex;flex-wrap:wrap;align-items:flex-end;gap:var(--space-4)}.bd-colour{display:flex;flex-direction:column;gap:var(--space-2)}.bd-colour input[type=color]{width:56px;height:44px;padding:2px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);cursor:pointer}.control-warning{flex-basis:100%;margin:0;font-size:var(--text-sm);color:var(--color-warning)}.border-page .file-row{grid-template-columns:64px 1fr auto}.bd-preview{box-sizing:border-box;width:64px;max-width:64px;justify-self:center;display:flex;align-items:stretch;border-radius:var(--radius-sm);border:1px solid var(--color-border-light);overflow:hidden}.bd-preview.is-transparent{background-color:var(--color-bg-alt);background-image:linear-gradient(45deg,rgba(15,23,42,.09) 25%,transparent 25%),linear-gradient(-45deg,rgba(15,23,42,.09) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(15,23,42,.09) 75%),linear-gradient(-45deg,transparent 75%,rgba(15,23,42,.09) 75%);background-size:10px 10px;background-position:0 0,0 5px,5px -5px,-5px 0}.border-page .bd-thumb{display:block;width:100%;height:100%;object-fit:fill;border-radius:0}.dimensions,.dimensions-out{font-variant-numeric:tabular-nums}.dimensions-out{color:var(--color-text)}.bd-unchanged{color:var(--color-success);font-weight:600}.bd-too-big{display:block;margin-top:var(--space-1)}.border-controls .control-actions{grid-column:1 / -1;flex-wrap:wrap;border-top:1px solid var(--color-border-light);padding-top:var(--space-4)}.control-error{flex-basis:100%;margin:0;font-size:var(--text-sm);color:var(--color-error)}@media(max-width:720px){.border-controls{grid-template-columns:1fr}.border-page .file-row{gap:var(--space-3)}}