:root{color:#e4eaf1;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-synthesis:none;text-rendering:optimizelegibility;--surface:#171e28;--border:#303b49;--muted:#a5b2c3;--accent:#82d4c0;background:#10151c;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}h1,h2,p{margin:0}h1{font-size:1.25rem;font-weight:650}h2{font-size:1.05rem;font-weight:600}.app-shell{grid-template-rows:auto minmax(0,1fr) auto;min-height:100dvh;display:grid}.app-header{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.5rem;display:flex}.eyebrow{color:var(--accent);letter-spacing:.14em;margin-bottom:.25rem;font-size:.65rem}.header-note{color:var(--muted);font-size:.8rem}.workspace{grid-template-columns:minmax(0,1fr) 280px;display:grid}.viewer{flex-direction:column;min-width:0;min-height:55vh;display:flex}.viewer-toolbar:empty{display:none}.viewer-viewport{flex:1;place-items:center;min-height:0;display:grid;position:relative}.empty-state{text-align:center;max-width:28rem;padding:3rem 1.5rem}.empty-state-mark{border:1px solid var(--border);width:4rem;height:4rem;color:var(--accent);letter-spacing:.08em;border-radius:.8rem;place-items:center;margin-bottom:1.5rem;font-weight:650;display:inline-grid}.empty-state p,.properties-panel p{color:var(--muted);margin-top:.75rem;font-size:.875rem;line-height:1.6}.properties-panel{background:var(--surface);border-left:1px solid var(--border);padding:1.5rem}.status-bar{border-top:1px solid var(--border);color:var(--muted);padding:.6rem 1.5rem;font-size:.75rem}@media (width<=700px){.app-header{padding:1rem}.header-note{display:none}.workspace{grid-template-rows:minmax(55vh,1fr) auto;grid-template-columns:minmax(0,1fr)}.properties-panel{border-left:0;border-top:1px solid var(--border);padding:1rem}.status-bar{padding-inline:1rem}}