:root{--ink:#1f2328;--ink-soft:#59636e;--line:#e1e4e8;--surface:#fff;--backdrop:#f3f4f6;--accent:#00796b;--panel-width:380px;--topbar-height:48px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{color:var(--ink);background:var(--backdrop);min-width:1024px;font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.editor{grid-template-columns:var(--panel-width) 1fr;grid-template-rows:var(--topbar-height) 1fr;height:100%;display:grid}.topbar{background:var(--surface);border-bottom:1px solid var(--line);grid-column:1/-1;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:0 16px;display:grid}.topbar__site{font-weight:600}.topbar__status{color:var(--ink-soft)}.topbar__discard{color:var(--ink-soft);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:6px;margin-left:8px;padding:2px 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0;border:0;position:absolute;top:0;left:0}.scaffold{background:var(--surface);flex-direction:column;transition:opacity .5s;display:flex;position:absolute;inset:0}.scaffold--done{opacity:0;pointer-events:none}.scaffold__page{box-sizing:border-box;flex:1;grid-template-rows:56px minmax(0,2fr) minmax(0,3fr) 48px;gap:16px;width:100%;max-width:960px;min-height:0;margin:0 auto;padding:24px 24px 8px;display:grid}.scaffold__piece{background:var(--backdrop);opacity:0;border-radius:8px;transition:opacity .6s,transform .6s;transform:translateY(8px)}.scaffold__piece.is-built,.scaffold__piece.is-busy{opacity:1;transform:none}.scaffold__piece.is-busy,.scaffold__piece--columns.is-busy>span{background:linear-gradient(90deg, var(--backdrop) 25%, #e8eaed 50%, var(--backdrop) 75%);background-size:200% 100%;animation:1.8s ease-in-out infinite scaffold-gleam}.scaffold__piece--bar{align-items:center;gap:12px;padding:0 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