:root{color-scheme:dark;--bg:#10141b;--surface:#171d27;--line:#2b3442;--ink:#e4eaf2;--muted:#8695a8;--accent:#8ab9e8;--good:#83caa8;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:13px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select{font:inherit}button,select{cursor:pointer}button,input,select{color:inherit}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button,select{touch-action:manipulation}[hidden]{display:none!important}header{height:46px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 20px;gap:12px}.brand{display:flex;gap:11px;align-items:center;white-space:nowrap;font-size:11px;color:var(--muted)}.brand strong{font-size:14px;color:var(--ink);letter-spacing:.03em}.brand-icon{font:700 13px var(--mono);color:var(--ink);letter-spacing:-4px;padding-right:4px}.brand-icon>span{color:var(--accent)}.divider{height:16px;width:1px;background:var(--line)}.preview-label{font:9px var(--mono);color:var(--muted);white-space:nowrap}main{max-width:1280px;margin:auto;padding:23px 28px 10px}.title-row{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.eyebrow{font:9px var(--mono);letter-spacing:.07em;color:var(--muted)}h1{font-size:25px;font-weight:500;letter-spacing:-.035em;line-height:1.1;margin:8px 0 0}.page-mode{display:flex;align-items:center;gap:10px;font-size:10px;color:var(--muted)}select{padding:7px 10px;background:var(--surface);border:1px solid var(--line);border-radius:4px;font:11px var(--mono)}.address-field{display:flex;align-items:center;gap:16px;border:1px solid var(--line);background:var(--surface);border-radius:5px;padding:7px 8px 7px 13px}.address-field>span{color:var(--muted);font-size:10px;white-space:nowrap}.address-field input{width:100%;min-width:0;flex:1;background:none;border:0;outline-offset:0;font:14px var(--mono);letter-spacing:.025em;padding:5px 0}.address-field button{background:#293d52;border:1px solid #395574;border-radius:3px;padding:6px 10px;white-space:nowrap;font-size:11px;color:#d7eafa}.error{margin:8px 0 0;color:#efb1a5;font-size:11px}.bits{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) 1.3fr;gap:3px;margin:13px 0 22px}.bit{border-top:2px solid var(--line);padding-top:8px;text-align:center;min-width:0}.bit.selected{border-color:var(--accent)}.bit.skipped{opacity:.35}.bit-title{display:block;font:9px var(--mono);color:var(--muted)}.bit-value{display:block;font:15px var(--mono);margin-top:4px}.bit-range{display:block;font:8px var(--mono);color:var(--muted);margin-top:4px}.workspace{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(200px,1fr);gap:28px}.section-head{display:flex;align-items:center;gap:12px;justify-content:space-between;margin-bottom:8px}h2{font-size:11px;font-weight:500;margin:0}.section-head button{border:0;background:none;color:var(--accent);font-size:10px;padding:5px 0}.table-heading,.table-row{display:grid;grid-template-columns:45px 42px minmax(0,1fr) 55px;gap:10px;align-items:center}.table-heading{font:8px var(--mono);color:var(--muted);padding:6px 8px 8px;text-transform:uppercase;letter-spacing:.04em}.table-row{width:100%;text-align:left;background:none;border:0;border-top:1px solid var(--line);padding:10px 8px;font:10px var(--mono)}.table-row:hover{background:var(--surface)}.table-row[aria-pressed=true]{background:#1d2b3b;color:#d7eafa;box-shadow:inset 2px 0 var(--accent)}.frame{color:var(--muted)}.status{color:var(--good);font-size:9px;text-align:right}.status.missing{color:#efb1a5}.table-row:disabled{opacity:.3;cursor:default}.result{border-left:1px solid var(--line);padding:12px 0 0 24px;min-width:0}output{display:block;font:20px var(--mono);letter-spacing:-.04em;color:var(--accent);margin:13px 0 9px;overflow-wrap:anywhere}.result p{font-size:10px;color:var(--muted);min-height:30px;margin:0 0 15px}.present-control{display:flex;gap:7px;align-items:center;font-size:10px;color:var(--ink)}input[type=checkbox]{accent-color:#8ab9e8;margin:0;width:13px;height:13px}.formula{font:10px/1.7 var(--mono);margin-top:15px;color:var(--muted);overflow-wrap:anywhere}.formula span{white-space:pre-line}footer{display:flex;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding-top:9px;margin-top:20px;font:8px var(--mono);color:var(--muted)}
@media(max-width:680px){main{padding:18px}.workspace{grid-template-columns:1fr;gap:18px}.result{border-left:0;border-top:1px solid var(--line);padding:16px 0 0;display:grid;grid-template-columns:1fr auto;gap:0 15px}.result .eyebrow,.result output,.result p{grid-column:1}.present-control{grid-column:2;grid-row:1 / span 2}.result p{margin:0;min-height:0}.formula{grid-column:1 / -1;margin-top:10px}.bits{margin-bottom:18px}.brand .divider,.brand>[data-t]{display:none}.title-row{margin-bottom:16px}h1{font-size:23px}.address-field{gap:10px}.address-field>span{display:none}.table-row{padding-top:9px;padding-bottom:9px}}
@media(max-width:380px){header{padding:0 13px;gap:8px}main{padding:15px 13px}.page-mode{flex-direction:column;gap:4px;align-items:flex-end}.title-row{gap:8px}h1{font-size:22px}.address-field input{font-size:12px}.address-field button{font-size:10px;padding:6px 7px}.bit-value{font-size:13px}.bit-title{font-size:8px}.bit-range{font-size:7px}.workspace{gap:12px}.result{display:block}.present-control{margin-top:12px}.result output{font-size:20px}.table-heading,.table-row{gap:6px;grid-template-columns:40px 34px minmax(0,1fr) 51px}.table-row{font-size:9px}}
@media(max-height:370px){header{height:35px}main{padding-top:12px}.title-row{margin-bottom:12px}h1{font-size:20px;margin-top:5px}.title-row .eyebrow{display:none}.address-field{padding-top:4px;padding-bottom:4px}.bits{margin:9px 0 13px}.bit{padding-top:5px}.bit-value{font-size:12px}.bit-range{display:none}.workspace{gap:16px}.table-row{padding:7px 8px}.result{padding-top:7px}output{font-size:17px;margin:9px 0}.formula{margin-top:9px}footer{margin-top:13px}.result p{min-height:0;margin-bottom:10px}.table-heading{padding-top:3px;padding-bottom:6px}.section-head{margin-bottom:3px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}