.arizmi-product-shell{--shell-topbar-height:52px;--shell-left-expanded:196px;--shell-left-collapsed:64px;--shell-right-expanded:320px;--shell-right-collapsed:48px;--shell-transition:.18s cubic-bezier(.2, .8, .2, 1);--shell-left-width:var(--shell-left-expanded);--shell-right-width:0px;grid-template-rows:var(--shell-topbar-height) minmax(0, 1fr);background:var(--bg-app);min-width:0;min-height:100dvh;color:var(--ink-primary);display:grid;position:relative}.arizmi-product-shell[data-left-state=collapsed]{--shell-left-width:var(--shell-left-collapsed)}.arizmi-product-shell[data-right-state=collapsed]{--shell-right-width:var(--shell-right-collapsed)}.arizmi-product-shell[data-right-state=expanded]{--shell-right-width:var(--shell-right-expanded)}.arizmi-product-shell[data-right-state=hidden]{--shell-right-width:0px}.arizmi-shell-topbar{z-index:30;height:var(--shell-topbar-height);border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--bg-surface) 92%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);grid-template-columns:minmax(0,1fr) minmax(0,2fr) minmax(0,1fr);align-items:center;gap:.75rem;padding:0 .75rem 0 .875rem;display:grid;position:sticky;top:0}.arizmi-shell-topbar__left,.arizmi-shell-topbar__center,.arizmi-shell-topbar__right{align-items:center;min-width:0;display:flex}.arizmi-shell-topbar__center{text-align:center;justify-content:center}.arizmi-shell-topbar__right{justify-content:flex-end;gap:.375rem}.arizmi-shell-body{z-index:1;grid-template-columns:var(--shell-left-width) minmax(0, 1fr) var(--shell-right-width);min-width:0;min-height:0;transition:grid-template-columns var(--shell-transition);display:grid;position:relative}.arizmi-left-rail,.arizmi-right-rail{border-color:var(--border);background:var(--bg-surface);min-width:0;min-height:0;transition:width var(--shell-transition), opacity var(--shell-transition);overflow:hidden}.arizmi-left-rail{width:var(--shell-left-width);border-right:1px solid var(--border)}.arizmi-right-rail{width:var(--shell-right-width);border-left:1px solid var(--border)}.arizmi-center-canvas{min-width:0;min-height:0;overflow:auto}.arizmi-center-canvas__inner{min-width:0;padding:1.25rem 1rem 5.5rem}.arizmi-line-frame{pointer-events:none;z-index:0;opacity:.09;position:absolute;inset:0;overflow:hidden}.arizmi-line-frame svg{width:100%;height:100%}.arizmi-panel-toggle{width:2rem;height:2rem;color:var(--ink-secondary);cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;display:inline-flex}.arizmi-panel-toggle:hover{background:var(--bg-muted);color:var(--ink-primary)}.arizmi-panel-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.arizmi-shell-mobile-context{width:auto;min-width:2.75rem;min-height:2.75rem;color:var(--ink-secondary);letter-spacing:.02em;cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;padding:0 .625rem;font-size:11px;font-weight:600;display:inline-flex}.arizmi-shell-mobile-context:hover{background:var(--bg-muted);color:var(--ink-primary)}.arizmi-shell-mobile-context:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.arizmi-context-sheet{z-index:50;background:color-mix(in srgb, var(--ink-primary) 28%, transparent);flex-direction:column;justify-content:flex-end;display:flex;position:fixed;inset:0}.arizmi-context-sheet__panel{border-top:1px solid var(--border);background:var(--bg-surface);max-height:min(72dvh,36rem);padding-bottom:calc(4.75rem + env(safe-area-inset-bottom,0px));overflow:auto}@media (min-width:768px){.arizmi-center-canvas__inner{padding:1.5rem}}@media (max-width:1023px){.arizmi-product-shell[data-viewport=tablet]{--shell-left-width:var(--shell-left-collapsed)}.arizmi-product-shell[data-viewport=tablet][data-right-state=expanded],.arizmi-product-shell[data-viewport=tablet][data-right-state=collapsed]{--shell-right-width:0px}.arizmi-product-shell[data-viewport=tablet] .arizmi-right-rail,.arizmi-shell-desktop-toggles{display:none}}@media (min-width:1024px){.arizmi-shell-mobile-context{display:none}}@media (max-width:767px){.arizmi-shell-body{grid-template-columns:minmax(0,1fr)}.arizmi-left-rail,.arizmi-right-rail{display:none}}@media (prefers-reduced-motion:reduce){.arizmi-shell-body,.arizmi-left-rail,.arizmi-right-rail{transition:none}.arizmi-line-frame__drift{animation:none!important}}@keyframes arizmi-line-drift{0%{transform:translate(0,0)}to{transform:translate(-12px,-8px)}}.arizmi-line-frame__drift{animation:48s linear infinite alternate arizmi-line-drift}