#practiceRandomLength[hidden]{display:none!important}
#practiceRandomLengthTrigger{width:100%;text-align:start;padding:8px 28px 8px 10px;border:1px solid var(--border,#cbd5e1);border-radius:6px;background:var(--card,#fff);color:inherit;font:inherit;position:relative;cursor:pointer}
#practiceRandomLengthTrigger::after{content:'▾';position:absolute;right:10px}
#practiceRandomLengthOptions{margin-top:5px;border:1px solid var(--border,#cbd5e1);border-radius:6px;background:var(--card,#fff);overflow:hidden}
#practiceRandomLengthOptions[hidden]{display:none}
#practiceRandomLengthOptions [role=option]{display:flex;align-items:center;gap:12px;width:100%;border:0;padding:8px 10px;text-align:start;font:inherit;color:inherit;background:transparent;cursor:pointer}#practiceRandomLengthOptions .xixi-length-option-label{min-width:0;flex:1}#practiceRandomLengthOptions .xixi-length-option-count{flex:none;min-width:3ch;text-align:right;font-variant-numeric:tabular-nums}
#practiceRandomLengthOptions [aria-selected=true]{font-weight:700;background:rgba(79,99,238,.12)}
#practiceRandomLengthOptions [role=option]:hover,#practiceRandomLengthOptions [role=option]:focus-visible{background:rgba(79,99,238,.2);outline:2px solid #4f63ee;outline-offset:-2px}
body.theme-dark #practiceRandomLengthTrigger,body.theme-dark #practiceRandomLengthOptions{background:#1e293b;border-color:#475569}