:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-synthesis:none;--bg:#0b0c0d;--panel:#141617;--panel-raised:#191c1d;--line:#ffffff1a;--line-strong:#ffffff2e;--text:#f2efe9;--muted:#a8a49c;--quiet:#77746e;--accent:#d7a65c;--accent-soft:#d7a65c26;--success:#9ebc89;--danger:#e09a8f;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#app{width:100%;min-height:100%;margin:0}body{background:var(--bg);color:var(--text);overflow-x:hidden}button,input,select{font:inherit}button,select,input{accent-color:var(--accent)}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-shell{grid-template-rows:auto 1fr;min-height:100vh;display:grid}.topbar{border-bottom:1px solid var(--line);background:#0b0c0df0;justify-content:space-between;align-items:center;gap:18px;min-height:78px;padding:15px 22px;display:flex}.eyebrow{color:var(--accent);letter-spacing:.14em;margin:0 0 4px;font-size:11px;font-weight:600}h1,h2,p{margin-top:0}h1{letter-spacing:-.02em;margin-bottom:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(22px,3vw,30px);font-weight:400}h2{letter-spacing:.02em;margin-bottom:0;font-size:13px;font-weight:600}.status-pill{border:1px solid var(--line-strong);color:var(--muted);border-radius:999px;flex:none;padding:7px 10px;font-size:12px}.status-pill.ready{color:var(--success);border-color:#9ebc8959}.status-pill.error{color:var(--danger);border-color:#e09a8f59}.workspace{grid-template-columns:minmax(0,1fr) 310px;min-height:0;display:grid}.viewer-panel{background:radial-gradient(circle at 50% 46%,#53463329,#0000 48%),#090a0b;min-width:0;min-height:640px;position:relative;overflow:hidden}.vtk-viewport{position:absolute;inset:0}.vtk-viewport canvas{width:100%;height:100%;display:block}.loading-overlay{z-index:4;color:var(--muted);background:#090a0be6;justify-content:center;align-items:center;gap:10px;transition:opacity .18s;display:flex;position:absolute;inset:0}.loading-overlay.hidden{pointer-events:none;opacity:0}.slice-inset{z-index:3;border:1px solid var(--line-strong);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0b0c0de0;border-radius:9px;width:min(360px,100% - 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