#ge-custom-kbd{position:fixed;bottom:0;left:0;right:0;z-index:var( --ge-z-overlay, 200 );display:flex;flex-direction:row;align-items:stretch;justify-content:center;gap:10px;padding:10px 12px 14px;background:#f0f0f5;border-top:1px solid #d1d1d6;box-shadow:0 -2px 12px #00000014;transform:translateY(100%);transition:transform .24s cubic-bezier(.32,.72,0,1)}@media(min-width:768px){#ge-custom-kbd{left:calc((var(--ge-panel-width) + 100vw) / 2);right:auto;width:fit-content;border-radius:12px 12px 0 0;transform:translate(-50%) translateY(100%)}}#ge-custom-kbd.is-visible{transform:translateY(0)}@media(min-width:768px){#ge-custom-kbd.is-visible{transform:translate(-50%) translateY(0)}}#ge-custom-kbd[hidden]{display:none}@media(max-width:767px){#ge-custom-kbd{gap:4px;padding:8px 4px calc(16px + env(safe-area-inset-bottom));justify-content:stretch}}html.dark #ge-custom-kbd{background:#1c1c1e;border-top-color:#38383a;box-shadow:0 -2px 16px #00000073}.ge-kbd-close-btn{position:absolute;top:6px;right:8px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:6px;color:#8e8e93;cursor:pointer;touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;transition:background 80ms ease,color 80ms ease}.ge-kbd-close-btn:hover{background:#00000014;color:#1c1c1e}.ge-kbd-close-btn:active{background:#00000026}html.dark .ge-kbd-close-btn{color:#636366}html.dark .ge-kbd-close-btn:hover{background:#ffffff1a;color:#e5e5ea}html.dark .ge-kbd-close-btn:active{background:#ffffff2e}@media(max-width:767px){.ge-kbd-close-btn{display:none}}.ge-kbd-section{display:grid;gap:6px;flex-shrink:0}.ge-kbd-section-symbols,.ge-kbd-section-numpad{grid-template-columns:repeat(4,1fr)}.ge-kbd-section-actions{grid-template-columns:repeat(2,1fr);min-width:108px}@media(max-width:767px){.ge-kbd-section{flex:1;min-width:0}.ge-kbd-section-symbols,.ge-kbd-section-numpad{grid-template-columns:repeat(4,1fr)}}.ge-kbd-key{display:flex;align-items:center;justify-content:center;min-width:38px;height:44px;padding:0 4px;font-size:1.5rem;font-family:inherit;color:#1c1c1e;background:#fff;border:none;border-radius:8px;box-shadow:0 1px #00000059;cursor:pointer;transition:background 80ms ease,box-shadow 80ms ease,transform 80ms ease;touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.ge-kbd-key:active{background:#c7c7cc;box-shadow:none;transform:translateY(1px)}.ge-kbd-key:focus-visible{outline:2px solid var(--ge-accent);outline-offset:2px}.ge-kbd-key.op{background:#d1d1d6;color:#1c1c1e}.ge-kbd-key.op:active{background:#aeaeb2}.ge-kbd-key.accent{background:var(--ge-accent, #3b82f6);color:#fff;box-shadow:0 1px #1d4ed8;font-size:1.125rem}.ge-kbd-key.accent:active{background:#2563eb;box-shadow:none}.ge-kbd-key.full{grid-column:1 / -1}.ge-kbd-key.wide{grid-column:span 2}html.dark .ge-kbd-key{background:#3a3a3c;color:#fff;box-shadow:0 1px #1c1c1e}html.dark .ge-kbd-key:active{background:#545458}html.dark .ge-kbd-key.op{background:#2c2c2e;color:#ebebf5;box-shadow:0 1px #000}html.dark .ge-kbd-key.op:active{background:#1c1c1e}html.dark .ge-kbd-key.accent{background:var(--ge-accent, #3b82f6);box-shadow:0 1px #1e3a8a}.ge-kbd-key .ML__latex,.ge-kbd-key .ML__base{color:inherit;pointer-events:none}@media(max-width:767px){#ge-custom-kbd .ge-kbd-key{min-width:0;width:100%;height:40px;font-size:.9375rem;border-radius:6px}}.ge-kbd-fn-popover{position:fixed;z-index:calc(var(--ge-z-overlay) + 5);width:min(460px,calc(100vw - 24px));background:var(--ge-bg-panel);border:1px solid var(--ge-border);border-radius:var(--ge-radius-lg);box-shadow:var(--ge-shadow-md);padding:8px;display:flex;flex-direction:column;gap:8px}.ge-kbd-fn-popover[hidden]{display:none}.ge-kbd-fn-tabs{display:flex;gap:4px;flex-wrap:wrap}.ge-kbd-fn-tab{padding:3px 12px;font-size:.75rem;font-family:inherit;font-weight:700;border-radius:999px;background:transparent;border:1px solid var(--ge-border);cursor:pointer;color:var(--ge-text-secondary);transition:background var(--ge-transition),color var(--ge-transition),border-color var(--ge-transition)}.ge-kbd-fn-tab.is-active{background:var(--ge-accent);color:#fff;border-color:var(--ge-accent)}.ge-kbd-fn-tab:focus-visible{outline:2px solid var(--ge-accent);outline-offset:2px}.ge-kbd-fn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:5px}.ge-kbd-fn-grid .ge-kbd-key{min-width:0;width:auto;height:28px;font-size:1.2rem;font-weight:500;border-radius:8px;background:#f0f0f3;box-shadow:none;border:1px solid rgba(0,0,0,.07);color:#1c1c1e;transition:background 80ms ease,color 80ms ease}.ge-kbd-fn-grid .ge-kbd-key:active{background:#d1d1d6;transform:none;box-shadow:none}.ge-kbd-fn-grid .ge-kbd-key:focus-visible{outline:2px solid var(--ge-accent);outline-offset:2px}html.dark .ge-kbd-fn-grid .ge-kbd-key{background:#2c2c2e;border-color:#ffffff14;color:#e5e5ea;box-shadow:none}html.dark .ge-kbd-fn-grid .ge-kbd-key:active{background:#3a3a3c}@media(max-width:767px){.ge-kbd-fn-popover{width:calc(100vw - 16px);max-height:55vh;overflow-y:auto;left:8px!important;right:8px!important;bottom:calc(var(--ge-kbd-height, 200px) + 8px)!important;top:auto!important}}.gx-level-kbd-btn-row{display:flex;align-items:center;gap:.5rem}.gx-level-kbd-btn-row>#ge-level-add-expression{flex:1}@media(max-width:767px){.gx-level-controls-col{bottom:var(--ge-kbd-height, 0px);transition:bottom .24s cubic-bezier(.32,.72,0,1)}#ge-level-expression-panel{padding-bottom:var(--ge-kbd-height, 0px)}}