:root{--ih-bg:#fff;--ih-border:#e3e6ea;--ih-text:#26282c;--ih-sep:#eceef2;--ih-shadow:rgba(0,0,0,.14);--ih-close-bg:#fff;--ih-row-h:46px;--ih-max:var(--ih-row-h);--ih-max-expanded:60vh;--ih-icon-filter:none}body.tb{--ih-bg:#23262c;--ih-border:#3a3c44;--ih-text:#e6e8ec;--ih-sep:#32353d;--ih-shadow:rgba(0,0,0,.5);--ih-close-bg:#2e323a;--ih-icon-filter:invert(1) opacity(.9)}#input-hints{position:fixed;left:0;right:0;bottom:0;z-index:99999;box-sizing:border-box;padding:0 1.5px;font-family:Roboto,Arial,sans-serif;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(6px);transition:opacity .15s linear, visibility .15s linear, transform .12s ease}#input-hints.ih-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.ih-txt{  font-size:14px;  line-height:1.3;  opacity:.85}@media (min-width:700px){#input-hints{left:50%;right:auto;width:700px;margin-left:-350px}}#input-hints-list{box-sizing:border-box;max-height:var(--ih-max);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:var(--ih-bg);color:var(--ih-text);border:1px solid var(--ih-border);border-bottom:0;border-radius:12px;box-shadow:0 -3px 12px var(--ih-shadow);transition:max-height .25s ease}#input-hints.ih-expanded #input-hints-list{max-height:var(--ih-max-expanded)}#input-hints-list::-webkit-scrollbar{width:6px}#input-hints-list::-webkit-scrollbar-thumb{background:var(--ih-border);border-radius:3px}@media (max-width:700px){#input-hints{padding:0}#input-hints-list{border-width:1px 0 0 0;border-radius:0}}.ih-row{box-sizing:border-box;min-height:var(--ih-row-h);display:flex;align-items:center;padding:6px 12px;border-bottom:1px solid var(--ih-sep)}.ih-row:last-child{border-bottom:0}.ih-expr{min-width:0;width:100%;overflow-x:auto;overflow-y:hidden;scrollbar-width:none}.ih-expr::-webkit-scrollbar{height:0}.ih-expr .katex-display{margin:0}.ih-expr .katex{font-size:1.05em}.ih-expr .katex-display.fleqn .katex{padding:0 4px}.ih-btn{position:absolute;right:8px;width:28px;height:28px;display:none;align-items:center;justify-content:center;padding:0;margin:0;border:1px solid var(--ih-border);border-radius:50%;background:var(--ih-close-bg);color:var(--ih-text);line-height:1;box-shadow:0 1px 6px var(--ih-shadow);cursor:pointer;z-index:10;-webkit-tap-highlight-color:transparent}.ih-btn:active{transform:scale(.94)}.ih-btn img{display:block;width:16px;height:16px;pointer-events:none;filter:var(--ih-icon-filter);-webkit-filter:var(--ih-icon-filter)}#input-hints-close{bottom:9px;display:flex}#input-hints-expand{bottom:56px}#input-hints-collapse{bottom:56px}#input-hints.ih-can-expand:not(.ih-expanded) #input-hints-expand{display:flex}#input-hints.ih-expanded #input-hints-collapse{display:flex}