[hidden]{display:none!important}.subnet-page{padding:55px 0 50px}.tool-heading h1{font-size:clamp(38px,5.2vw,64px);font-weight:750;letter-spacing:-2.6px;line-height:1.15;margin:20px 0}.tool-heading h1 span{color:var(--accent)}.tool-heading>p:last-child{font-size:17px;color:var(--muted)}.tool-meta{display:flex;gap:18px;flex-wrap:wrap;margin:25px 0 28px;color:var(--muted);font:11px/1.8 ui-monospace,monospace}.tool-meta span+span:before{content:'·';margin-right:18px;color:var(--accent)}.input-panel{padding:25px;background:white;border:1px solid var(--line);border-radius:4px}.input-grid{display:grid;grid-template-columns:1.5fr 1fr auto;gap:18px;align-items:end}label{display:block;font-size:13px;font-weight:650;margin-bottom:9px}input,select,textarea{width:100%;background:#fcfdfd;color:var(--ink);font:13px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;border:1px solid #b7c3cb;border-radius:3px;padding:11px 13px;min-height:44px}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.primary,.secondary{font:650 12px system-ui,sans-serif;padding:12px 17px;min-height:46px;cursor:pointer;border-radius:3px}.primary{background:var(--ink);border:1px solid var(--ink);color:white}.secondary{background:transparent;border:1px solid #a6b5c0;color:var(--ink)}button:disabled{opacity:.5;cursor:default}.help{font-size:12px;color:var(--muted);line-height:1.9;margin:13px 0}.examples{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:20px}.examples>span{font-size:11px;color:var(--muted);margin-right:7px}.examples button{background:#f1f4f6;color:var(--ink);border:1px solid #d4dce2;border-radius:3px;font:12px system-ui,sans-serif;padding:10px 13px;cursor:pointer;min-height:40px}#calc-status,#host-status,#copy-status{color:var(--accent);font-size:13px;line-height:1.8;margin:15px 0 0;overflow-wrap:anywhere}.result-section{padding:35px 0}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.result-heading h2,.sizing-section h2{font-size:29px;letter-spacing:-1px;margin-top:10px;overflow-wrap:anywhere}.result-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0}.result-cards article{background:#e5ebef;border:1px solid #d4dfe7;padding:20px 18px;border-radius:4px;min-width:0}.result-cards span{font-size:11px;color:#556b7b;display:block;margin-bottom:15px}.result-cards strong{font:600 clamp(15px,1.8vw,21px)/1.5 ui-monospace,monospace;letter-spacing:-.4px;overflow-wrap:anywhere}.detail-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:start;margin-top:30px}.network-details{margin:0}.network-details>div,.binary-details>div{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:13px 0;font-size:13px}.network-details dt{color:var(--muted)}.network-details dd{margin:0;font:13px/1.7 ui-monospace,monospace;text-align:right}.scope-card{background:white;border:1px solid var(--line);padding:23px;border-radius:4px}.scope-card h3{font-size:18px;font-weight:600;margin:16px 0;letter-spacing:-.4px;line-height:1.6}details{margin-top:22px;border:1px solid var(--line);padding:17px 20px;background:#fff;border-radius:3px}summary{cursor:pointer;font-size:13px;font-weight:650;min-height:24px}details p{color:var(--muted);font-size:13px;line-height:1.9}.bit-legend{display:flex;gap:25px;font-size:11px;margin:20px 0 12px}.bit-legend span:before{content:'';display:inline-block;width:9px;height:9px;background:#315e83;margin-right:7px}.bit-legend span:last-child:before{background:#d9e1e7}.bit-strip{display:grid;grid-template-columns:repeat(32,1fr);gap:2px}.bit-strip span{font:11px/2.5 ui-monospace,monospace;text-align:center;background:#d9e1e7;color:var(--ink);border-radius:1px}.bit-strip span.network-bit{background:#315e83;color:white}.bit-strip span.octet-end{margin-right:4px}.binary-details{margin:16px 0}.binary-details dd{font:12px/1.8 ui-monospace,monospace;overflow-wrap:anywhere;margin:0}.binary-details dt{color:var(--muted)}.split-section{border-top:1px solid var(--line);padding-top:32px}.split-controls,.host-controls{display:flex;gap:15px;align-items:end}.split-controls>div{width:230px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:3px;margin-top:20px;background:white}table{border-collapse:collapse;width:100%;font:13px/1.8 ui-monospace,monospace;text-align:left;min-width:580px}caption{text-align:left;font:12px/1.9 system-ui,sans-serif;color:var(--muted);padding:13px}th,td{padding:12px 16px;border-bottom:1px solid var(--line);white-space:nowrap}th{background:#e9eef2;color:#465e70;font:600 12px/1.8 system-ui,sans-serif}tbody tr:last-child td{border-bottom:0}.sizing-section{display:grid;grid-template-columns:1fr 1.3fr;gap:45px;border-top:1px solid var(--line);margin-top:40px;padding-top:32px}.host-controls>div{flex:1}.sizing-section #apply-prefix{margin-top:16px}.reference-section{margin-top:35px}#copy-fallback{min-height:180px;margin-top:15px}footer{gap:20px}@media(max-width:900px){.input-grid{grid-template-columns:1.4fr 1fr}.input-grid button{grid-column:1/-1}.result-cards{grid-template-columns:1fr 1fr}.result-cards strong{font-size:21px}.sizing-section{grid-template-columns:1fr;gap:10px}.binary-details>div{display:block}.binary-details dd{margin-top:8px}}@media(max-width:550px){.input-grid,.detail-grid{grid-template-columns:1fr}.input-panel{padding:20px}.input-grid button{grid-column:auto}.result-cards{gap:10px}.result-cards article{padding:15px 12px}.result-cards strong{font-size:15px}.result-heading{align-items:start;flex-direction:column}.result-heading h2{font-size:25px}.split-controls,.host-controls{align-items:stretch;flex-direction:column}.split-controls>div{width:100%}.examples{gap:8px}.examples>span{width:100%}.tool-meta{gap:6px 12px}.tool-meta span+span:before{margin-right:12px}.bit-strip{gap:1px}.bit-strip span{font-size:8px}.bit-strip span.octet-end{margin-right:2px}details{padding:15px}.network-details>div{gap:10px}}