/* The application owns the viewport; only the editor scrolls. */
html{height:100%;overflow:hidden}
body{height:100vh;height:100dvh;overflow:hidden;display:flex;flex-direction:column}
.app-header{height:64px;flex:none;padding:0 28px}
.workspace{width:100%;max-width:1800px;flex:1;min-height:0;margin:0 auto;padding:20px 28px;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:stretch}
.preview{position:static;min-height:0;display:flex;flex-direction:column}
.preview-toolbar{flex:none;margin-bottom:12px}
.preview-surface{container-type:size;flex:1;min-height:0;min-width:0;display:flex;align-items:center;justify-content:center}
.preview-surface .stage{flex:none;width:min(100cqw,calc(100cqh * 16 / 9),1280px);height:auto;aspect-ratio:16/9}
.preview-surface .stage[data-aspect="4:3"]{width:min(100cqw,calc(100cqh * 4 / 3),1280px);aspect-ratio:4/3}
.preview-surface .stage:fullscreen{width:100vw;height:100vh;height:100dvh;aspect-ratio:auto}
.preview-note,.preview>.design-error{flex:none}
.transport{flex:none;padding-top:14px}
.timeline{margin:18px 0 12px}
.transport-bottom{margin-top:14px}
.editor{height:100%;min-height:0;max-height:none;margin:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:#454b4f transparent;scrollbar-gutter:stable;padding:0 12px 16px 20px}
@media(max-width:1100px) and (min-width:821px){
  .workspace{grid-template-columns:minmax(0,1fr) 306px;gap:18px;padding:16px 20px}
  .editor{padding-left:16px}
  .resolution{display:none}
  .play-actions{gap:10px}
  .time{font-size:13px}
}
@media(max-width:820px){
  .app-header{height:48px;padding:0 16px}
  .wordmark{font-size:23px}
  .workspace{padding:8px 12px 0;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,40dvh) minmax(0,1fr);gap:12px}
  .preview-toolbar{min-height:30px;flex-wrap:nowrap;gap:6px;margin-bottom:6px}
  .view-switch button{padding:4px 10px;font-size:12px}
  .preview-actions{gap:6px}
  .aspect-select{width:64px;font-size:12px}
  .resolution,.keyboard-hint,.preview-note{display:none}
  .transport{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:6px;padding-top:8px}
  .transport-top,.transport-bottom{display:contents}
  .play-actions{grid-column:1;grid-row:1;gap:8px}
  .time{grid-column:2;grid-row:1;align-self:center;justify-self:center;font-size:12px}
  .time-divider{padding:0 4px}
  .preview-export-actions{grid-column:3;grid-row:1;gap:6px}
  .play-button{min-width:0;padding:6px 10px;font-size:12px;gap:6px}
  .preview-export-actions .quiet-button{font-size:11px}
  .timeline{grid-column:1/-1;grid-row:2;margin:6px 0 5px}
  .editor{border-left:0;border-top:1px solid var(--line);padding:12px 8px 24px;min-height:0}
}
@media(max-width:480px),(max-width:820px) and (max-height:500px){
  #restart,#still{display:none}
  .play-actions{gap:0}
}
@media(max-width:820px) and (max-height:500px){
  .app-header{height:36px}
  .wordmark{font-size:20px}
  .workspace{padding-top:4px;gap:6px;grid-template-rows:minmax(0,46dvh) minmax(0,1fr)}
  .preview-toolbar{min-height:26px;margin-bottom:4px}
  .transport{padding-top:4px;gap:3px}
  .play-button{padding:3px 8px}
  .timeline{margin:4px 0}
}