/* RunPerform – MALL 3 (app/tool): light page, one accent colour, large text, mobile first. No animations. */
@font-face{font-family:Outfit;src:url(/fonts/outfit-var.woff2) format("woff2");font-weight:400 800;font-display:swap}
:root{--bg:#fbfbfa;--card:#fff;--ink:#16202a;--soft:#4b5563;--line:#e3e5e8;--acc:#c2410c;--acc-ink:#fff;--tint:#fff3ec;--r:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--acc);text-underline-offset:2px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.top{border-bottom:1px solid var(--line);background:#fff}
.top .in{max-width:1080px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{font:800 21px/1 Outfit,system-ui,sans-serif;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo span{color:var(--acc)}
.top nav a{color:var(--ink);text-decoration:none;font-size:16px;margin-left:18px;font-weight:600}
.top nav a[aria-current]{color:var(--acc)}
main{max-width:1080px;margin:0 auto;padding:22px 18px 40px}
.crumbs{font-size:15px;color:var(--soft);margin:0 0 8px}.crumbs a{color:var(--soft)}
h1,h2,h3{font-family:Outfit,system-ui,sans-serif;line-height:1.15;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:34px;font-weight:800;margin:4px 0 10px}
h2{font-size:26px;font-weight:700;margin:40px 0 10px}
h3{font-size:20px;font-weight:700;margin:22px 0 6px}
.lead{font-size:19px;color:var(--soft);max-width:760px;margin:0 0 18px}
.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.row{display:flex;flex-wrap:wrap;gap:14px}
.row>*{flex:1 1 200px}
label,.lbl{display:block;font-weight:600;font-size:16px;margin:0 0 6px}
input,select{width:100%;font:inherit;font-size:20px;padding:11px 12px;border:1.5px solid #c9cdd2;border-radius:10px;background:#fff;color:var(--ink);min-height:50px}
input:disabled,select:disabled{background:#f1f2f4;color:#6b7280}
.solved label::after{content:" (calculated)";font-weight:400;color:var(--soft)}
.hint{font-size:14px;color:var(--soft);margin:4px 0 0}
fieldset{border:0;margin:0 0 14px;padding:0}
legend{font-weight:600;font-size:16px;margin-bottom:6px;padding:0}
.seg{display:inline-flex;border:1.5px solid #c9cdd2;border-radius:10px;overflow:hidden;background:#fff}
.seg label{margin:0;font-weight:600}
.seg input{position:absolute;opacity:0;width:1px;height:1px}
.seg span,.unit button{display:block;padding:9px 16px;font:600 16px/1.2 system-ui,sans-serif;cursor:pointer;border:0;background:#fff;color:var(--ink);min-height:44px;display:flex;align-items:center}
.seg input:checked+span,.unit button[aria-pressed=true]{background:var(--acc);color:var(--acc-ink)}
.seg input:focus-visible+span{outline:3px solid var(--acc);outline-offset:-3px}
.unit{display:inline-flex;border:1.5px solid #c9cdd2;border-radius:10px;overflow:hidden}
.toolbar{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;margin-bottom:14px}
.btn{display:inline-block;font:700 18px/1.2 system-ui,sans-serif;background:var(--acc);color:var(--acc-ink);border:2px solid var(--acc);border-radius:10px;padding:12px 22px;cursor:pointer;min-height:50px;text-decoration:none}
.btn.ghost{background:#fff;color:var(--acc)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.err{color:#b91c1c;font-weight:600;margin:10px 0 0}
.out{margin-top:18px}
.big{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 12px}
.big>div{flex:1 1 150px;background:var(--tint);border-radius:12px;padding:12px 16px}
.big .lab{display:block;font-size:14px;color:var(--soft);font-weight:600}
.big b{font:800 44px/1.05 Outfit,system-ui,sans-serif;color:var(--ink)}
.big b+span{font-size:18px;color:var(--soft);margin-left:4px}
.big.one>div{flex:0 1 260px}
.kv{list-style:none;margin:0 0 12px;padding:0;display:flex;flex-wrap:wrap;gap:6px 26px}
.kv li span{color:var(--soft);font-size:15px;margin-right:6px}
.tables{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-start}
.tables>table{flex:1 1 280px}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.t{border-collapse:collapse;width:100%;font-size:17px;background:#fff;font-variant-numeric:tabular-nums}
table.t caption{text-align:left;font-weight:700;padding:6px 0 8px;font-size:16px;color:var(--soft)}
table.t th,table.t td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.t thead th{background:#f3f4f6;font-size:15px}
table.t td small,table.t th small{display:block;color:var(--soft);font-size:13.5px;font-weight:400}
table.t tr.hl>*{background:var(--tint)}
table.t tr.hl th{box-shadow:inset 4px 0 0 var(--acc)}
table.t td.note{font-size:15px;color:var(--soft)}
table.plan td{min-width:130px}
table.plan tr.ph-cutback th,table.plan tr.ph-taper th,table.plan tr.ph-race th{color:var(--acc)}
.chart-wrap{max-height:70vh;overflow:auto;border:1px solid var(--line);border-radius:10px}
.chart-wrap thead th{position:sticky;top:0}
.band{width:120px;border:2px solid var(--ink);border-radius:6px;font-variant-numeric:tabular-nums;background:#fff;margin-top:8px}
.band-h{background:var(--ink);color:#fff;text-align:center;padding:4px;font-size:12px;line-height:1.3}.band-h b{display:block;font-size:16px}
.band ol{list-style:none;margin:0;padding:0;font-size:14px}
.band li{display:flex;justify-content:space-between;padding:1px 8px}.band li:nth-child(even){background:#f0f1f3}.band li.b{font-weight:700}
.note-box{border-left:4px solid var(--acc);background:var(--tint);padding:12px 16px;border-radius:0 10px 10px 0;margin:14px 0}
.formula{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:12px 0}
.formula code{font-size:16px;background:#f3f4f6;padding:2px 6px;border-radius:6px;word-break:break-word}
.cards{display:grid;grid-template-columns:1fr;gap:12px;padding:0;list-style:none;margin:16px 0}
.cards a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink)}
.cards a b{display:block;font:700 19px/1.25 Outfit,system-ui,sans-serif;color:var(--acc)}
.cards a span{font-size:16px;color:var(--soft)}
.faq h3{margin-top:18px}
.muted{color:var(--soft)}
.prose{max-width:760px}
.suggest{background:#f6f7f8;border-radius:12px;padding:12px 14px;margin:6px 0 14px}
.suggest summary{cursor:pointer;font-weight:600}
footer{border-top:1px solid var(--line);background:#fff;margin-top:30px}
footer .in{max-width:1080px;margin:0 auto;padding:20px 18px 28px;font-size:15px;color:var(--soft)}
footer nav a{color:var(--ink);margin-right:16px;display:inline-block;padding:4px 0}
footer p{margin:10px 0 0}
[hidden]{display:none!important}
@media(min-width:760px){h1{font-size:42px}.tool{padding:24px}.cards{grid-template-columns:1fr 1fr}.cards.three{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:420px){.top nav a{margin-left:12px;font-size:15px}.logo{font-size:19px}.big b{font-size:38px}table.t{font-size:16px}table.t th,table.t td{padding:7px 6px}}
@media print{.top,footer,.noprint,.lead,.tool form,h2,h2~*:not(.out),.crumbs{display:none!important}body{background:#fff;font-size:12pt}main{padding:0}.tool{border:0;padding:0;box-shadow:none}.out{margin:0}}
.h-tool{margin-top:0;font-size:22px}.h-first{margin-top:0}.m0{margin:0}.mt{margin-top:12px}
.btn-cell{flex:0 0 auto!important;align-self:flex-start;padding-top:31px}