.ops-tool{--fc-sign:#ef4444;--fc-exp:#3b82f6;--fc-mantissa:#22c55e;--fc-warn:#eab308}.ops-tool .fc-app{max-width:940px;margin:0 auto;padding:24px 20px 60px}.ops-tool .fc-section{background:var(--bg3);border:1px solid var(--bdr);border-radius:12px;margin-bottom:16px;padding:18px 20px}.ops-tool .fc-results{background:linear-gradient(135deg,var(--acg),var(--bg3));border-color:var(--bdr-hi);box-shadow:0 0 24px #5563f71f}.ops-tool .fc-section-title{color:var(--tx2);letter-spacing:.6px;text-transform:uppercase;margin-bottom:14px;font-family:JetBrains Mono,monospace;font-size:11px;font-weight:700}.ops-tool .fc-section-title-hl{color:var(--ac)}.ops-tool .fc-precision{flex-wrap:wrap;gap:8px;display:flex}.ops-tool .fc-precision-btn{background:var(--bg2);border:1px solid var(--bdr);color:var(--tx2);cursor:pointer;border-radius:6px;padding:8px 18px;font-family:JetBrains Mono,monospace;font-size:12px;transition:all .12s}.ops-tool .fc-precision-btn:hover:not(.is-active){border-color:var(--bdr-hi);color:var(--tx)}.ops-tool .fc-precision-btn.is-active{background:var(--ac);border-color:var(--ac);color:#fff}.ops-tool .fc-input-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.ops-tool .fc-field{flex-direction:column;gap:6px;display:flex}.ops-tool .fc-label{color:var(--tx2);font-size:12px;font-weight:500}.ops-tool .fc-input{background:var(--bg2);border:1px solid var(--bdr);color:var(--tx);border-radius:8px;outline:none;padding:10px 12px;font-family:JetBrains Mono,monospace;font-size:14px;transition:border-color .15s,box-shadow .15s}.ops-tool .fc-input:focus{border-color:var(--bdr-hi);box-shadow:0 0 0 3px var(--acg)}.ops-tool .fc-error{color:#fca5a5;background:#ef444414;border:1px solid #ef444440;border-radius:10px;margin-bottom:16px;padding:12px 16px;font-size:13px}.ops-tool .fc-bit-grid{flex-wrap:wrap;gap:2px;margin:14px 0 18px;display:flex}.ops-tool .fc-bit{background:var(--bg2);border:1px solid var(--bdr);width:22px;height:28px;color:var(--tx3);cursor:help;border-radius:3px;justify-content:center;align-items:center;font-family:JetBrains Mono,monospace;font-size:13px;font-weight:600;transition:all .12s;display:inline-flex}.ops-tool .fc-bit.is-one{color:#fff}.ops-tool .fc-bit-sign.is-one{background:var(--fc-sign);border-color:var(--fc-sign)}.ops-tool .fc-bit-exp.is-one{background:var(--fc-exp);border-color:var(--fc-exp)}.ops-tool .fc-bit-mantissa.is-one{background:var(--fc-mantissa);border-color:var(--fc-mantissa)}.ops-tool .fc-bit-sign:not(.is-one){border-color:#ef444466}.ops-tool .fc-bit-exp:not(.is-one){border-color:#3b82f666}.ops-tool .fc-bit-mantissa:not(.is-one){border-color:#22c55e66}.ops-tool .fc-class{border-radius:6px;margin-bottom:6px;padding:4px 12px;font-family:JetBrains Mono,monospace;font-size:11px;font-weight:600;display:inline-block}.ops-tool .fc-class-normal{color:#4ade80;background:#22c55e26}.ops-tool .fc-class-subnormal{color:#facc15;background:#eab30826}.ops-tool .fc-class-zero{color:#94a3b8;background:#94a3b826}.ops-tool .fc-class-infinity{color:#60a5fa;background:#3b82f626}.ops-tool .fc-class-nan{color:#f87171;background:#ef444426}.ops-tool .fc-detail{border-collapse:collapse;width:100%;font-size:13px}.ops-tool .fc-detail th{text-align:left;color:var(--tx2);vertical-align:top;border-bottom:1px solid #ffffff0a;width:220px;padding:8px 12px 8px 0;font-size:12px;font-weight:500}.ops-tool .fc-detail td{color:var(--tx);word-break:break-all;border-bottom:1px solid #ffffff0a;padding:8px 0}.ops-tool .fc-detail tr:last-child th,.ops-tool .fc-detail tr:last-child td{border-bottom:none}.ops-tool .fc-mono{font-family:JetBrains Mono,monospace}.ops-tool .fc-bin{word-break:break-all;font-size:11px;line-height:1.5}.ops-tool .fc-demo-buttons{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.ops-tool .fc-demo-btn{background:var(--bg2);border:1px solid var(--bdr);color:var(--tx);cursor:pointer;border-radius:6px;padding:6px 14px;font-family:JetBrains Mono,monospace;font-size:12px;transition:all .12s}.ops-tool .fc-demo-btn:hover{border-color:var(--ac);color:var(--ac)}.ops-tool .fc-demo-result{background:var(--bg2);border:1px solid var(--bdr);border-radius:8px;padding:12px 14px}.ops-tool .fc-demo-note{color:var(--tx2);margin:0 0 10px;font-size:12px;line-height:1.6}.ops-tool .fc-demo-row{align-items:baseline;gap:12px;padding:4px 0;display:flex}.ops-tool .fc-demo-label{color:var(--tx3);min-width:100px;font-size:12px}.ops-tool .fc-demo-val{word-break:break-all;flex:1;font-size:13px}.ops-tool .fc-tone-ok{color:#4ade80}.ops-tool .fc-tone-warn{color:#facc15}@media (max-width:640px){.ops-tool .fc-input-grid{grid-template-columns:1fr}.ops-tool .fc-bit{width:18px;height:24px;font-size:11px}.ops-tool .fc-detail th{width:140px;font-size:11px}}