:root{--blue:#1645c5;--dark:#172336;--muted:#627087;--line:#dde4ed;--paper:#f3f6fa;--orange:#f07740;--radius:14px;font:15px/1.55 Inter,Segoe UI,Arial,sans-serif;color:var(--dark);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--blue);text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--orange);outline-offset:3px}[hidden]{display:none!important}.prototype-banner{background:#fff4df;color:#674816;padding:11px 30px;display:flex;align-items:center;gap:22px;border-bottom:1px solid #e8d6ad;font-size:12px;position:relative;z-index:2}.prototype-banner strong{font-size:10px;letter-spacing:.1em;white-space:nowrap}.app-shell{display:grid;grid-template-columns:248px 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