.model-guide-page{--guide-panel:#181e25;--guide-panel-2:#20272f;--guide-soft:#e3e7de;--guide-ink:#101319}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

.model-hero{
 padding-block:clamp(48px,8vw,106px);
 background:radial-gradient(ellipse at 80% 10%,#b8f34b14,transparent 60%);
}
.model-hero h1{
 max-width:980px;margin:0;
 font-size:clamp(42px,7vw,96px);line-height:1.02;letter-spacing:-.065em;
}
.model-hero p{max-width:600px;margin:20px 0 26px;font-size:17px;color:#c1c5ca}

.calculator-section,.midnight-scene main>.calculator-section{background:var(--guide-soft);color:var(--guide-ink)}.calculator-shell{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;margin-top:24px;align-items:start}.calculator-shell form{background:#f7f8f4;padding:28px;border:1px solid #10131930;color:var(--guide-ink)}.calculator-shell fieldset{width:100%;min-width:0;border:0;margin:0 0 18px;padding:0}.task-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.task-options label{margin:0}.task-options input{position:absolute;opacity:0;pointer-events:none}.task-options label>span{display:block;border:1px solid #10131938;padding:12px;min-height:74px;cursor:pointer;background:#fff;color:var(--guide-ink);transition:border-color .2s,background .2s}.task-options label>span:hover{border-color:#10131980}.task-options input:checked+span{border-color:var(--orange);box-shadow:inset 4px 0 var(--orange);background:#fff6f0}.task-options input:focus-visible+span{outline:3px solid #315d00;outline-offset:3px}.task-options b{display:block;font-size:12px;color:var(--guide-ink)}.task-options small{display:block;font-size:10px;line-height:1.5;color:#4f565b;margin-top:7px}.calculator-fields{display:grid;grid-template-columns:1fr 1fr;gap:2px 22px}.calculator-fields>label{font-size:10px;letter-spacing:.6px;color:#3f464b;margin:0}.calculator-fields select{color:var(--guide-ink);border-color:#10131965;margin:8px 0 23px;background:transparent}.calculator-fields select option{background:#f4f5f1}.calculator-fields>label>small{display:block;min-height:32px;letter-spacing:0;line-height:1.45;color:#596066;margin-top:-14px;margin-bottom:15px}
.calculator-section,.model-overview,.source-section{padding-block:clamp(38px,5vw,68px)}
.calculator-section h2,.model-overview h2,.source-section h2{
 margin:0 0 20px;font-size:clamp(28px,3.6vw,50px);letter-spacing:-.045em;line-height:1.1;
}
.task-options input{width:1px;height:1px;margin:0}
.calculator-fields label{min-width:0}
.calculator-fields label #speed-fallback{min-height:0;margin-top:0}
.calculator-fields label #speed-fallback[hidden]{display:none}
.calculator-options{width:100%;border-top:1px solid #10131940}
.calculator-options summary,.result-details summary{cursor:pointer;font-size:14px;font-weight:700;padding:16px 0}
.calculator-options summary small{display:block;font-size:12px;font-weight:400;line-height:1.5;color:#41484e;margin-top:6px}
.calculator-options[open] .calculator-fields{padding-top:12px}
.calculator-options summary:focus-visible,.calculator-fields select:focus-visible,.calculator-fields input:focus-visible{outline:2px solid #315d00;outline-offset:3px}
.calculator-fields{width:100%;grid-template-columns:repeat(2,minmax(0,1fr))}
.calculator-fields>label{font-size:12px;letter-spacing:0}
.calculator-fields select{min-width:0}
.usage-result{position:sticky;top:105px;background:var(--bg);color:var(--white);padding:30px;min-width:0;border-top:4px solid var(--orange);overflow-wrap:anywhere}
.usage-result .result-kicker{font-size:11px;letter-spacing:1.3px;color:var(--lime);margin:0}
.usage-result h3{font-size:clamp(28px,3vw,46px);line-height:1.1;letter-spacing:-.045em;margin:14px 0}
.usage-result p,.usage-comparison li{font-size:14px;line-height:1.6}
#usage-task-name{font-weight:700}
.capacity-estimate{margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}
.capacity-estimate h4{margin:0 0 10px;font-size:16px;line-height:1.35}
.capacity-estimate p{margin:0 0 12px}
#message-limit-context{color:#c1c5ca}
.measurement-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,120px),1fr));gap:12px;margin:16px 0}
.measurement-fields label{min-width:0;font-size:13px;line-height:1.4;color:var(--white)}
.measurement-fields input{width:100%;margin:6px 0 0;padding:8px 10px;min-height:42px;color:var(--white);background:#ffffff08;border:1px solid #ffffff66}
.measurement-fields input:focus-visible,.result-details summary:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.result-details #personal-estimate{color:var(--lime);font-weight:700}
.usage-comparison{margin-top:20px;padding:18px;background:#ffffff08;border-left:2px solid var(--lime)}
.usage-comparison h4{font-size:14px;margin:0 0 7px}
.usage-comparison p{margin:0 0 14px}
.usage-comparison ul{margin:0 0 15px;padding-left:20px}
.usage-comparison li+li{margin-top:8px}
.result-details{border-top:1px solid var(--line)}
.result-details summary:hover{color:var(--lime)}
.result-details p{font-size:13px;color:#c1c5ca;margin:0 0 12px}
.result-details a{display:inline-block;font-size:13px;color:var(--lime);border-bottom:1px solid currentColor;padding-bottom:4px}
.result-details code{color:var(--lime)}

.model-overview{background:#151a20}
.model-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.model-card{padding:18px;background:var(--guide-panel);border:1px solid var(--line)}
.model-card h3{margin:0;font-size:20px}
.model-card em{color:var(--lime);font-style:normal}
.model-card p{margin:10px 0 0;color:#c1c5ca;font-size:14px;line-height:1.55}
.model-card strong{color:var(--white)}
.effort-guide{max-width:760px;margin-top:20px;border-block:1px solid var(--line)}
.effort-guide summary{padding:14px 0;font-weight:700;cursor:pointer}
.effort-guide summary:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.effort-guide p,.effort-guide dd{color:#c1c5ca;font-size:14px;line-height:1.55}
.effort-guide dl>div{display:grid;grid-template-columns:minmax(100px,1fr) 3fr;gap:12px;padding:8px 0}
.effort-guide dt{font-weight:700}
.effort-guide dd{margin:0}
.source-section,.midnight-scene main>.source-section{background-color:var(--white)!important;color:var(--guide-ink)}
.source-section h2{margin-bottom:8px}
.source-section p{margin:0 0 15px;font-size:13px;color:#41484e}
.source-section ul{display:flex;flex-wrap:wrap;gap:12px 22px;margin:0;padding:0;list-style:none}
.source-section a{font-size:14px;text-decoration:underline;text-underline-offset:4px}
.source-section a:focus-visible{outline-color:#315d00}
.midnight-scene main>.calculator-section{background-color:var(--guide-soft)!important}

@media(max-width:1000px){
 .model-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:820px){
 .calculator-shell{grid-template-columns:minmax(0,1fr)}
 .usage-result{position:static}
}
@media(max-width:540px){
 .model-hero p{font-size:15px}
 .calculator-shell form,.usage-result{padding:18px}
 .task-options,.calculator-fields,.model-card-grid{grid-template-columns:minmax(0,1fr)}
 .task-options label>span{min-height:0}
 .calculator-fields>label>small{min-height:0}
}
@media(prefers-reduced-motion:reduce){
 .task-options label>span{transition:none}
}