:root{--porcelain:#eef1f2;--graphite:#1b2428;--slate:#46565d;--doppler-b:#2e6fa7;--doppler-r:#c8452f;--signal:#eef1f2;--font-sans:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;--panel-width:min(420px, 100vw)}html,body{background:var(--graphite);height:100%;color:var(--signal);font:300 16px/1.5 var(--font-sans);margin:0;overflow:hidden}[hidden]{display:none!important}#render-canvas{touch-action:none;outline:none;width:100%;height:100%;display:block}#fallback-root{background:var(--graphite);place-items:center;padding:24px;display:grid;position:fixed;inset:0}.fallback{max-width:68ch}.fallback section+section{border-top:1px solid var(--slate);margin-top:24px;padding-top:24px}.fallback h1{margin:0 0 8px;font-size:1.5625rem;font-weight:500}.fallback p{margin:0}.fallback .fallback-detail{font-family:var(--font-mono);color:var(--slate);margin-top:24px;font-size:.8rem}#hud-root{pointer-events:none;position:fixed;top:8px;left:8px}.debug-hud{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--slate);background:#1b2428b8;border-radius:2px;grid-template-columns:auto auto;gap:2px 12px;margin:0;padding:8px 10px;font-size:12px;display:grid}.debug-hud dt{opacity:.7}.debug-hud dd{font-family:var(--font-mono);text-align:right;margin:0}#loading-root{background:var(--graphite);place-content:center;justify-items:center;gap:12px;padding:24px;display:grid;position:fixed;inset:0}.loading-brand{letter-spacing:.02em;margin:0 0 8px;font-weight:500}.loading-track{background:var(--slate);width:min(320px,70vw);height:2px;overflow:hidden}.loading-bar{background:var(--doppler-b);transform-origin:0;height:100%;transform:scaleX(0)}.is-indeterminate .loading-bar{transform:scaleX(.25)}.loading-value{font-family:var(--font-mono);margin:0;font-size:.8rem}.loading-status{opacity:.7;min-height:1.5em;margin:0;font-size:.8rem}.loading-error{max-width:68ch}.loading-error h1{margin:0 0 8px;font-size:1.25rem;font-weight:500}.loading-error p{margin:0 0 12px}.loading-detail{font-family:var(--font-mono);color:var(--porcelain);opacity:.6;overflow-wrap:anywhere;font-size:.8rem}.button-primary{font:500 1rem/1 var(--font-sans);color:var(--signal);background:var(--doppler-b);cursor:pointer;border:0;border-radius:2px;padding:12px 20px}.button-primary:focus-visible{outline:2px solid var(--signal);outline-offset:2px}.fade-overlay{opacity:0;pointer-events:none;z-index:20;background:#000;position:fixed;inset:0}#dock{padding:16px;padding-left:calc(16px + env(safe-area-inset-left));padding-right:calc(16px + env(safe-area-inset-right));padding-bottom:calc(16px + env(safe-area-inset-bottom));box-sizing:border-box;z-index:10;pointer-events:none;align-items:flex-end;gap:12px;display:flex;position:fixed;bottom:0;left:0;right:0}#dock>.dock-slot{pointer-events:auto}#dock-start{flex:none;align-items:center;gap:8px;display:flex}#dock-end{top:calc(8px + env(safe-area-inset-top));left:calc(8px + env(safe-area-inset-left));flex-direction:row;align-items:flex-start;gap:8px;display:flex;position:fixed}#dock .button-primary{flex:none;justify-content:center;align-items:center;width:44px;height:44px;padding:0;display:inline-flex}#dock-start .button-primary{border-radius:50%}#dock .btn-label{display:none}#dock-center{flex:auto;justify-content:center;min-width:0;display:flex}#dock:after{content:"";flex:0 auto;width:96px}.mode-row{display:flex}.mode-actions{align-items:center;gap:8px;display:flex}.mode-note{box-sizing:border-box;width:min(300px,100vw - 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