/* Car-Size — shared styles. Tokens follow the Tractor-Size / Truck-Size family. */
:root{
  --bg:#F1F2EC;--surface:#FBFBF7;--sunk:#E7E9E1;--ink:#1B1E1A;--muted:#5B6259;--line:#D3D7CC;
  --rubber:#22251F;--rubber-2:#34382F;--chip-ink:#EEF0E8;
  --accent:#B98310;--accent-ink:#8A6109;--accent-soft:#F3E4BD;--on-accent:#1B1E1A;
  --ok:#2C7648;--ok-soft:#DCEBDF;--warn:#A96C0F;--warn-soft:#F5E6C8;--bad:#AE3527;--bad-soft:#F4DAD5;
  --sh1:0 1px 2px rgba(0,0,0,.04),0 8px 24px -14px rgba(0,0,0,.18);
  --display:"Archivo","Arial Narrow",system-ui,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#111310;--surface:#191C18;--sunk:#22261F;--ink:#E8EBE3;--muted:#A3AA9F;--line:#33382F;
  --rubber:#0B0C0A;--rubber-2:#1C1F1A;--chip-ink:#E8EBE3;
  --accent:#E2AB2E;--accent-ink:#E2AB2E;--accent-soft:#3A2F14;--on-accent:#1B1E1A;
  --ok:#5CBF84;--ok-soft:#1D3325;--warn:#E2AB2E;--warn-soft:#3A2F14;--bad:#E8796B;--bad-soft:#3A1E1A;
  --sh1:0 1px 2px rgba(0,0,0,.3),0 8px 24px -14px rgba(0,0,0,.6);color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#111310;--surface:#191C18;--sunk:#22261F;--ink:#E8EBE3;--muted:#A3AA9F;--line:#33382F;
  --rubber:#0B0C0A;--rubber-2:#1C1F1A;--chip-ink:#E8EBE3;
  --accent:#E2AB2E;--accent-ink:#E2AB2E;--accent-soft:#3A2F14;--on-accent:#1B1E1A;
  --ok:#5CBF84;--ok-soft:#1D3325;--warn:#E2AB2E;--warn-soft:#3A2F14;--bad:#E8796B;--bad-soft:#3A1E1A;
  --sh1:0 1px 2px rgba(0,0,0,.3),0 8px 24px -14px rgba(0,0,0,.6);color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--body)}
a{color:var(--accent-ink)}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:var(--display);font-stretch:85%;line-height:1.1;text-wrap:balance;margin:0}
h1{font-size:clamp(28px,6vw,44px);font-weight:800;text-transform:uppercase;letter-spacing:-.01em}
h2{font-size:clamp(21px,4vw,27px);font-weight:750}
h3{font-size:18px;font-weight:700}
p{margin:0}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.mono,.sz{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.eyebrow{font:600 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* header */
.top{background:var(--rubber);color:var(--chip-ink);position:relative;overflow:hidden}
.top::before{content:"";position:absolute;inset:0;opacity:.07;background:repeating-linear-gradient(115deg,transparent 0 22px,#fff 22px 30px,transparent 30px 52px)}
.top .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:14px}
.logo{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}
.logo svg{width:34px;height:34px;flex:none}
.logo b{font:800 20px var(--display);font-stretch:80%;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap}
.logo b em{font-style:normal;color:#E2AB2E}
footer .logo b em{color:var(--accent)}
.toggles{display:flex;gap:8px;align-items:center}
.lang{font:600 13px var(--mono);color:var(--chip-ink);text-decoration:none;border:1px solid #4A4F44;border-radius:99px;padding:6px 12px}
.lang:hover{border-color:#E2AB2E}
.seg{display:flex;border:1px solid #4A4F44;border-radius:99px;overflow:hidden}
.seg button{font:600 13px var(--mono);background:none;border:0;color:var(--chip-ink);padding:6px 11px;cursor:pointer}
.seg button[aria-pressed="true"]{background:#E2AB2E;color:#1B1E1A}
.tread{height:10px;background:var(--rubber-2);background-image:repeating-linear-gradient(110deg,transparent 0 10px,rgba(226,171,46,.35) 10px 13px,transparent 13px 22px)}

main{display:flex;flex-direction:column;gap:28px;padding-block:24px 40px}
.crumb{font:500 13px var(--mono);color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.crumb a{color:var(--muted)}
.lead{font-size:17px;color:var(--muted);max-width:66ch}

/* cards & blocks */
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--sh1)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:760px){.grid2,.grid3{grid-template-columns:1fr}}
.stack{display:flex;flex-direction:column;gap:12px}

/* hero */
.hero{display:grid;grid-template-columns:1fr 520px;gap:24px;align-items:end}
.hero .lead{margin-top:10px}
@media (max-width:900px){.hero{grid-template-columns:1fr}}
.sibs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sib{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:6px;min-height:118px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);overflow:hidden;transition:border-color .2s,transform .2s}
a.sib:hover{border-color:var(--accent);transform:translateY(-1px)}
.sib.here{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.sib .art{flex:1;display:flex;align-items:center;justify-content:center;min-height:54px}
.sib .art img{max-width:100%;max-height:62px;width:auto;height:auto}
.sib b{font-size:13px;line-height:1.25}
.sib small{display:block;font:600 11px var(--mono);color:var(--muted)}
.sib.here small{color:var(--ok)}
a.sib small{color:var(--accent-ink)}
@media (max-width:520px){.sib{min-height:92px;padding:8px}.sib .art img{max-height:40px}.sib b{font-size:12px}.sib small{display:none}}

/* finder */
.finder{display:flex;flex-direction:column;gap:16px}
.mode{display:inline-flex;background:var(--sunk);border-radius:99px;padding:4px;gap:4px;align-self:flex-start}
.mode button{font:600 15px var(--body);border:0;background:none;color:var(--muted);padding:9px 18px;border-radius:99px;cursor:pointer}
.mode button[aria-pressed="true"]{background:var(--rubber);color:var(--chip-ink)}
.steps{display:grid;grid-template-columns:1.2fr 1.2fr 1fr auto;gap:12px;align-items:end}
@media (max-width:760px){.steps{grid-template-columns:1fr 1fr}.steps .f-b{grid-column:1/-1}.steps .go{grid-column:1/-1}}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-weight:600;font-size:14px}
.field label i{font:500 11px var(--mono);color:var(--muted);font-style:normal;margin-left:4px}
select,input[type=text],input[type=search],input[type=number],textarea{font:16px var(--body);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;width:100%;min-width:0}
select:disabled{background:var(--sunk);color:var(--muted)}
input.sz{font-family:var(--mono)}
.btn{font:700 16px var(--body);border:0;border-radius:12px;padding:13px 20px;cursor:pointer;background:var(--accent);color:var(--on-accent);text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:none;border:1px solid var(--line);color:var(--ink)}
.search{position:relative}
.search input{border-radius:99px;border-color:var(--accent);padding-left:18px}
.res{display:flex;flex-direction:column;gap:2px;margin-top:6px}
.res a{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;text-decoration:none;color:var(--ink)}
.res a:hover,.res a.on{background:var(--sunk)}
.res a span{font:500 12px var(--mono);color:var(--muted);white-space:nowrap}
.hr{border:0;border-top:1px solid var(--line);margin:0}
.recent{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:6px;font:500 14px var(--body);padding:7px 12px;border:1px solid var(--line);border-radius:99px;background:var(--surface);color:var(--ink);text-decoration:none;cursor:pointer}
.chip.sz{font:600 14px var(--mono)}
a.chip:hover,button.chip:hover{border-color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px}

/* brand grid: names only, no logos */
.bgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.bgrid a{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:13px 14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--ink);font-weight:600}
.bgrid a:hover{border-color:var(--accent)}
.bgrid a span{font:500 12px var(--mono);color:var(--muted)}
.bgrid a.soon{color:var(--muted);font-weight:500;border-style:dashed}
.sechead{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}

/* model page */
.sizes-top{display:flex;flex-wrap:wrap;gap:10px}
.szcard{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;color:var(--ink);min-width:150px}
.szcard b{font:600 18px var(--mono)}
.szcard span{font:500 12px var(--mono);color:var(--muted)}
.szcard:hover{border-color:var(--accent)}
.gen{display:flex;flex-direction:column;gap:10px}
.gen h3{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.gen h3 small{font:500 13px var(--mono);color:var(--muted)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 12px var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);background:var(--sunk);white-space:nowrap}
tr:last-child td{border-bottom:0}
td.sz,td .sz{white-space:nowrap}
td.sz a{color:var(--ink);text-decoration-color:var(--line)}
td.sz a:hover{text-decoration-color:var(--accent)}
.src{font:500 12px var(--mono);white-space:nowrap}
.cc{display:inline-block;font:600 10.5px var(--mono);padding:1px 6px;border-radius:6px;background:var(--sunk);color:var(--muted);margin-left:4px}
.cc.tr{background:var(--ok-soft);color:var(--ok)}
.stag{display:inline-block;font:600 11px var(--mono);padding:2px 7px;border-radius:6px;background:var(--accent-soft);color:var(--accent-ink);margin-left:6px;vertical-align:1px}

/* notes & verdicts */
.note{padding:14px 16px;border-radius:12px;background:var(--sunk);font-size:14.5px;color:var(--ink)}
.note.calc{background:var(--accent-soft)}
.note b{font-weight:700}
.vd{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:12px;font-weight:600}
.vd.ok{background:var(--ok-soft);color:var(--ok)}
.vd.warn{background:var(--warn-soft);color:var(--warn)}
.vd.bad{background:var(--bad-soft);color:var(--bad)}
.kv{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 16px;font-size:15px;align-items:baseline}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.alts{display:flex;flex-direction:column;gap:4px}
.alts a,.alts div{display:grid;grid-template-columns:130px 1fr auto;gap:10px;align-items:center;padding:8px 10px;border-radius:10px;text-decoration:none;color:var(--ink)}
.alts a:hover{background:var(--sunk)}
.alts .sz{font-weight:600}
.alts .d{font:500 13px var(--mono);color:var(--muted)}
.bar{height:6px;border-radius:3px;background:var(--sunk);position:relative;overflow:hidden}
.bar i{position:absolute;top:0;bottom:0;background:var(--ok)}
.bar i.w{background:var(--warn)}

/* tire drawing */
.viz{display:flex;justify-content:center}
.viz svg{max-width:100%;height:auto}

/* guides */
.gcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.gcards a{display:flex;flex-direction:column;gap:6px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink)}
.gcards a:hover{border-color:var(--accent)}
.gcards b{font:700 17px var(--display);font-stretch:90%}
.gcards span{font-size:14px;color:var(--muted)}
article.prose{max-width:720px;display:flex;flex-direction:column;gap:16px;font-size:17px}
article.prose h1{font-size:clamp(28px,5vw,40px)}
article.prose h2{margin-top:14px}
article.prose ul,article.prose ol{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px}
article.prose .tbl{font-size:15px}
article.prose code{font-family:var(--mono);background:var(--sunk);padding:1px 5px;border-radius:5px}

/* tabs on home tools */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 90%,transparent)}
.tabs button{font:600 15px var(--body);background:none;border:0;border-bottom:3px solid transparent;color:var(--muted);padding:12px 14px;cursor:pointer;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}

/* ads, feedback, footer */
.adw{min-height:100px;margin-block:8px}
.fb{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.fb button{font:600 14px var(--body);border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:99px;padding:8px 14px;cursor:pointer}
footer{border-top:1px solid var(--line);padding-block:24px 40px;color:var(--muted);font-size:14px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
@media (max-width:760px){footer .cols{grid-template-columns:1fr}}
footer nav{display:flex;flex-direction:column;gap:6px}
footer a{color:var(--muted)}
.form{display:flex;flex-direction:column;gap:12px}
.hp{position:absolute;left:-9999px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.top,.tread,.adw,footer,.fb{display:none}}

details.gen summary{cursor:pointer;list-style:none;padding:10px 0;border-top:1px solid var(--line)}
details.gen summary::-webkit-details-marker{display:none}
details.gen summary::after{content:" ▾";color:var(--muted)}
details.gen[open] summary::after{content:" ▴"}
details.card summary{cursor:pointer}

/* car visualiser + gas pedal */
.cviz{display:flex;flex-direction:column;gap:10px}
.cviz-stage{position:relative;color:var(--ink);display:flex;flex-direction:column;gap:6px}
.cviz-svg{display:block;width:100%;height:auto;max-height:300px}
.cviz .road{transition:none}
.cviz .spin{transform-box:view-box}
.gas{align-self:flex-end;display:inline-flex;align-items:center;gap:8px;font:600 13px var(--body);color:#E2AB2E;background:var(--rubber);border:0;border-radius:99px;padding:8px 14px 8px 10px;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;box-shadow:var(--sh1)}
.gas svg{width:20px;height:20px;transition:transform .12s}
.gas span{color:var(--chip-ink)}
.gas.on svg{transform:translateY(3px) scaleY(.88)}
.gas.on{box-shadow:0 0 0 3px color-mix(in srgb,#E2AB2E calc(var(--rpm,0)*100%),transparent)}
.cviz-pick{justify-content:flex-start}
.cviz-pick .chip[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.cviz-note{font-size:13px}
#home-viz{border-top:1px solid var(--line);padding-top:12px}
.cmp-svg{display:block;width:100%;height:auto;max-height:340px;color:var(--ink)}
.cmp-txt{font-size:15px}
@media (max-width:520px){.gas{padding:7px 11px 7px 8px;font-size:12px}.gas svg{width:17px;height:17px}.cviz-svg{max-height:200px}}

/* rim upsizing */
.cviz-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.cviz-bar .gas{margin-left:auto}
.cviz-read{margin:0;font:500 13px var(--mono);color:var(--muted)}
.cviz-read b{color:var(--ink)}
.cviz-read b.d{color:var(--accent-ink)}
.chip.rim{flex-direction:column;gap:0;min-width:58px;justify-content:center;font:600 15px var(--mono);line-height:1.1;padding:7px 10px}
.chip.rim small{font:500 10px var(--body);color:var(--muted);text-transform:lowercase}
.chip.rim.fac{border-style:dashed;border-color:var(--accent)}
.chip.rim[aria-pressed="true"]{background:var(--accent);color:var(--on-accent);border-color:var(--accent);border-style:solid}
.chip.rim[aria-pressed="true"] small{color:var(--on-accent)}
.cviz-in{gap:12px}
.cviz-in small{font-size:12.5px}
.bad-t{color:var(--bad)}
.wlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.wlist li{padding:10px 12px 10px 34px;border-radius:10px;font-size:14.5px;position:relative;background:var(--sunk)}
.wlist li::before{position:absolute;left:12px;top:10px;font-weight:700}
.wlist li.w-ok{background:var(--ok-soft)}.wlist li.w-ok::before{content:"✓";color:var(--ok)}
.wlist li.w-warn{background:var(--warn-soft)}.wlist li.w-warn::before{content:"!";color:var(--warn)}
.wlist li.w-bad{background:var(--bad-soft)}.wlist li.w-bad::before{content:"✕";color:var(--bad)}
.wlist li.w-info::before{content:"i";color:var(--muted);font-style:italic}
.linkbtn{font:600 14px var(--body);background:none;border:0;padding:0;color:var(--accent-ink);text-decoration:underline;cursor:pointer}

/* fitment table (factory rows first, calculated rows by rim) */
.tbl.fit table{font-size:14.5px}
.tbl.fit td{vertical-align:middle}
.tbl.fit tr.frow{cursor:pointer;transition:background .15s}
.tbl.fit tr.frow:hover{background:var(--sunk)}
.tbl.fit tr.frow:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.tbl.fit tr.oe{background:color-mix(in srgb,var(--accent-soft) 55%,transparent)}
.tbl.fit tr.oe td:first-child{box-shadow:inset 4px 0 0 var(--accent)}
.tbl.fit tr.on{background:var(--accent-soft)}
.tbl.fit tr.on td{font-weight:600}
.tbl.fit tr.on td:first-child{box-shadow:inset 4px 0 0 var(--ink)}
.tbl.fit .tcell{display:flex;align-items:center;gap:8px}
.tbl.fit td{white-space:nowrap}
.tbl.fit .ax{color:var(--muted)}
.tbl.fit tr.rsep th{background:none;color:var(--muted);padding-top:14px;border-bottom:1px solid var(--line);text-transform:none;font-size:12.5px}
.oe-tag,.calc-tag{display:inline-block;font:700 10px var(--mono);letter-spacing:.04em;text-transform:uppercase;padding:2px 6px;border-radius:5px;flex:none}
.oe-tag{background:var(--accent);color:var(--on-accent)}
.calc-tag{background:var(--sunk);color:var(--muted);border:1px solid var(--line)}
.tbl.fit .calc{color:var(--muted)}
.tbl.fit td.dk{color:var(--ok)}
.tbl.fit td.dw{color:var(--warn)}
details.custom summary{cursor:pointer;font-weight:600;font-size:14.5px;color:var(--accent-ink)}
details.custom[open] summary{margin-bottom:10px}
@media (max-width:520px){.tbl.fit table{font-size:12.5px}.tbl.fit th,.tbl.fit td{padding:9px 6px}.tbl.fit .tcell{flex-direction:column;align-items:flex-start;gap:4px}}
details.winfo summary{cursor:pointer;font-size:14px;color:var(--muted)}
details.winfo[open] summary{margin-bottom:8px}
.cviz-sel{gap:12px}
.cviz-sel label{font:600 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cviz-sel select{font:600 17px var(--mono)}
.grid2.cviz-sel{grid-template-columns:1fr 1fr}.cviz-sel .field:only-child{grid-column:1/-1}