:root{color-scheme:light dark;--ink:#1d2330;--muted:#5b6475;--bg:#fbfaf6;--card:#fff;--line:#e6e2d6;--field:#7b8190;--sun:#f5b301;--sun-deep:#b77f00;--used:#2f7d5b;--prod:#f4d27a;--link:#1f5fbf;--radius:14px}
@media (prefers-color-scheme:dark){:root{--ink:#eef0f4;--muted:#a9b0bf;--bg:#14171d;--card:#1c2029;--line:#2c3140;--field:#737b8e;--sun:#f5b301;--sun-deep:#f5c542;--used:#4cc08c;--prod:#5c4a16;--link:#8ab4ff}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--link)}
:focus-visible{outline:3px solid var(--link);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:8px;z-index:10;padding:8px 12px;border-radius:8px;background:var(--card);color:var(--ink)}
.skip:focus{left:16px}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}

/* En-tête */
header.site{border-bottom:1px solid var(--line);background:var(--card)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
.brand{font-weight:800;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px;font-size:1.05rem}
.brand .dot{width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#ffe27a,var(--sun) 60%,var(--sun-deep))}
nav.main a{color:var(--muted);text-decoration:none;margin-left:14px;font-size:.95rem}
nav.main a:hover{color:var(--ink)}
nav.main a[aria-current]{color:var(--ink);box-shadow:inset 0 -3px var(--sun)}
main{padding:24px 0 48px}
@media (max-width:520px){header.site .wrap{row-gap:0;min-height:0;padding-top:8px;padding-bottom:0}nav.main{display:flex;justify-content:space-between;width:100%}nav.main a{margin:0;padding:10px 0;font-size:.95rem}main{padding-top:12px}.lead{font-size:1rem}}

/* Typographie */
h1{font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.2;margin:.4em 0 .3em}
h2{font-size:1.4rem;margin:1.8em 0 .5em;line-height:1.3}
h3{font-size:1.1rem;margin:1.4em 0 .4em}
.lead{font-size:1.1rem;color:var(--muted);max-width:760px}
.crumbs{font-size:.88rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
.note{font-size:.88rem;color:var(--muted)}
.hint{font-size:.85rem;color:var(--muted);margin:3px 0 0}
.hint:empty:not([aria-live]){display:none}

/* Grille simulateur */
.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:820px){.grid{grid-template-columns:minmax(0,1fr)}}
.grid>*,.row>*{min-width:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}

/* Formulaire */
form#sim fieldset{border:0;margin:0 0 14px;padding:0;min-width:0}
form#sim legend,form#sim label>span{font-weight:650;font-size:.95rem;display:block;margin-bottom:4px}
form#sim label:not(.choice){display:block}
form#sim .field,#plus>label{display:block;margin:0 0 14px}
form#sim .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
#plus .row{margin-bottom:12px}
@media (max-width:420px){form#sim .row{grid-template-columns:1fr}}
form#sim .row.loc{grid-template-columns:7.5em minmax(0,1fr)}
form#sim .row.keep{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
input,select{width:100%;font:inherit;font-size:1rem;padding:9px 10px;border:1px solid var(--field);border-radius:10px;background:var(--bg);color:var(--ink)}
select{min-width:0;text-overflow:ellipsis}
@media (max-width:820px){form#sim :is(input,select,summary,a,button),#plus{scroll-margin-top:72px}}
details.more summary{cursor:pointer;color:var(--link);font-size:.95rem;margin:4px 0 12px;padding:6px 0}

/* Résumé collant (mobile) */
.live{position:sticky;top:0;z-index:2;margin:0 -18px 14px;padding:10px 18px;background:var(--card);border-bottom:2px solid var(--sun);box-shadow:0 6px 8px -8px rgba(0,0,0,.35);font-size:.95rem}
.live b{font-size:1.4rem}
@media (min-width:821px){.live{display:none}}

/* Tuiles */
.choices{display:grid;gap:6px}
.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
.choice{position:relative;display:block}
.choice input{position:absolute;inset:0;width:100%;height:100%;margin:0;padding:0;opacity:0;cursor:pointer}
form#sim .choice>span{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:56px;margin:0;padding:6px 2px;border:1.5px solid var(--field);border-radius:10px;background:var(--bg);font-size:.8rem;font-weight:500;line-height:1.25;text-align:center}
.choice small{font-size:.75rem;color:var(--muted)}
.choice input:checked+span{border:2px solid var(--sun-deep);background:rgba(245,179,1,.14);font-weight:700}
form#sim .choice input:checked+span{border:2px solid var(--sun-deep);background:rgba(245,179,1,.14);font-weight:700}
.choice input:focus-visible+span{outline:3px solid var(--link);outline-offset:2px}
.choice svg{width:40px;height:30px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round}
.choice svg .ground{stroke:var(--muted);stroke-width:1.5}
@media (forced-colors:active){.choice input:checked+span,.presets [aria-pressed="true"]{outline:3px solid Highlight}}
.presets{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:6px}
.presets button{display:flex;flex-direction:column;align-items:center;min-height:48px;padding:6px 2px;border:1.5px solid var(--field);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit;font-size:.72rem;line-height:1.25;overflow-wrap:anywhere;cursor:pointer}
.presets b{font-size:.95rem}
.presets [aria-pressed="true"]{border:2px solid var(--sun-deep);background:rgba(245,179,1,.14)}

/* Résultat */
#resultat{scroll-margin-top:8px}
#simulateur.is-pending .results,#simulateur.is-pending .live{opacity:.45;transition:opacity .2s}
.r-title{margin-top:0}
.error{border-left:4px solid #c62828;padding-left:10px;color:var(--ink)}
.results .where{color:var(--muted);font-size:.95rem;margin:0 0 8px}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 12px}
.kpi{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--bg)}
.kpi b{display:block;font-size:1.5rem;line-height:1.2}
.kpi small{color:var(--muted);font-size:.85rem}
.kpi.main{grid-column:1/-1;border-color:var(--sun);background:linear-gradient(0deg,rgba(245,179,1,.10),rgba(245,179,1,.10)),var(--bg)}
.kpi.main b{font-size:2rem}
.kpi.main .pb{margin:.35em 0 0;font-size:1.05rem}
.kpi.main .pb strong{font-size:1.3rem}
.verdict{margin:0 0 10px;padding:10px 12px;border-left:4px solid var(--used);border-radius:0 10px 10px 0;background:rgba(47,125,91,.10)}
.hyp,.trust{font-size:.85rem;color:var(--muted);margin:0 0 10px}
.trust{margin-top:18px;padding-top:10px;border-top:1px solid var(--line)}
.tag{display:inline-block;margin:3px 4px 0 0;padding:0 7px;border:1px solid var(--used);border-radius:999px;background:var(--card);color:var(--used);font-size:.72rem;font-weight:650;line-height:1.6;white-space:nowrap}
table.sizes th,table.sizes td{padding:8px 4px;vertical-align:top}
table.sizes small{display:block;color:var(--muted)}
@media (max-width:560px){table.sizes{font-size:.85rem}table.sizes th,table.sizes td{padding:6px 3px}table.sizes th{overflow-wrap:anywhere}table.sizes .tag{white-space:normal}}
.pick{display:block;margin-top:4px;min-height:32px;padding:4px 10px;border:1px solid var(--link);border-radius:8px;background:none;color:var(--link);font:inherit;font-size:.8rem;cursor:pointer}

/* Graphique */
#chart{aspect-ratio:336/168}
#chart svg{width:100%;height:auto;display:block}
#chart text{font-size:12px;fill:var(--muted)}
#chart .gl{stroke:var(--line);stroke-dasharray:3 3}
.bar-prod{fill:var(--prod);stroke:var(--sun-deep);stroke-width:1}
.bar-used{fill:var(--used);stroke:var(--card);stroke-width:1}
.legend{font-size:.85rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:14px;margin:4px 0 10px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:middle}
.legend i.sw-used{background:var(--used)}
.legend i.sw-prod{background:var(--prod);box-shadow:inset 0 0 0 1px var(--sun-deep)}

/* Où acheter */
.shop{margin:16px 0;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.shop h3{margin-top:0}
.shops{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:10px 0}
.shops a{display:inline-block;padding:10px 14px;border:1.5px solid var(--sun-deep);border-radius:10px;color:var(--ink);font-weight:650;text-decoration:none}

/* Tableaux */
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line)}
th{font-size:.85rem;color:var(--muted);font-weight:650}
tr.best td{background:rgba(47,125,91,.10);font-weight:650}
.table-wrap{overflow-x:auto}
@media (max-width:560px){table.stack thead{display:none}table.stack tr{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px;padding:10px 0;border-bottom:1px solid var(--line)}table.stack td{padding:0;border:0}table.stack td:first-child{grid-column:1/-1;font-weight:650}table.stack td[data-label]::before{content:attr(data-label);display:block;font-size:.75rem;color:var(--muted)}}
article.prose .table-wrap th:first-child,article.prose .table-wrap td:first-child{position:sticky;left:0;z-index:1;background:var(--bg);box-shadow:1px 0 0 var(--line)}

/* Divers */
ul.tips{padding-left:1.1em}
ul.tips li{margin:.4em 0}
.callout{border-left:4px solid var(--sun);background:var(--card);padding:12px 14px;border-radius:0 10px 10px 0;margin:16px 0}
.pills{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none}
.pills a{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:4px 10px;text-decoration:none;font-size:.9rem;background:var(--card)}
.cols{columns:3 220px;column-gap:24px;font-size:.95rem}
.cols a{display:block;padding:2px 0;break-inside:avoid}
details.find summary{cursor:pointer;color:var(--link);padding:10px 0}
.cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.cards a{display:grid;gap:4px;height:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);text-decoration:none}
.cards span{font-size:.88rem;color:var(--muted)}
article.prose{max-width:760px}
article.prose p,article.prose li{max-width:72ch}
.cta{display:inline-block;background:var(--sun);color:#1d2330;font-weight:700;text-decoration:none;padding:10px 16px;border-radius:10px}
footer.site{border-top:1px solid var(--line);padding:24px 0;font-size:.9rem;color:var(--muted);background:var(--card)}
footer.site a{color:var(--muted)}