:root{--bg: #0b0f14;--panel: #0f1720;--muted: #8b95a3;--accent: #46a6ff;--text: #e6eef6}body,html,#root{height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:var(--text)}.portal-shell .shell-main{padding:16px}.unified-surface .us-header{margin-bottom:12px}.renderer-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}.renderer-card{background:var(--panel);padding:12px;border-radius:8px}.window-manager{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none}.window{pointer-events:auto;position:absolute;right:24px;bottom:80px;width:480px;background:#07111a;border:1px solid rgba(255,255,255,.03);border-radius:6px;padding:8px;box-shadow:0 12px 40px #0009}.window-title{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}.dock{position:fixed;left:12px;bottom:12px;display:flex;gap:8px}.dock button{background:#ffffff08;color:var(--text);border:none;padding:8px 10px;border-radius:6px;cursor:pointer}.notifications{position:fixed;top:12px;right:12px;display:flex;flex-direction:column;gap:6px}.notification{background:#ffffff08;padding:8px 12px;border-radius:6px}