:root{--bg:#edf1ed;--panel:#fffefa;--panel-2:#e6ecea;--ink:#211d19;--muted:#6f675c;--line:#cad4d0;--line-strong:#9faaa6;--red:#a6342f;--blue:#1f5c8d;--green:#326f55;--gold:#c8a552;--silver:#d8dce0;--black:#222326;--focus:#0f6b8f;--radius:8px}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,textarea,input,select{font:inherit}button{border:0}.appShell{grid-template-rows:auto 1fr;min-height:100vh;display:grid}.topbar{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:20;background:#fffefaeb;justify-content:space-between;align-items:center;gap:20px;height:64px;padding:0 24px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;min-width:0;display:flex}.brandMark{filter:drop-shadow(0 5px 10px 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(max-width:820px){.topbar{align-items:flex-start;height:auto;min-height:60px;padding:12px 14px}.brandMeta,.statusPill{white-space:normal}.workspace,.builderWorkspace{grid-template-columns:1fr;padding:14px}.steps,.stepNav,.generatedGrid,.dataGrid,.controlGrid,.rationaleGrid,.outputKinds{grid-template-columns:1fr}.previewStage{min-height:430px;padding:18px}.optionGrid{grid-template-columns:1fr}}