/* Feuille unique. Police système, contraste AA, focus visible. #1d4ed8 remplacé au build. */
:root{--brand:#1d4ed8;--ink:#17202a;--muted:#4b5563;--bg:#fff;--soft:#f3f6fa;--line:#d5dde6;--ok:#14663b;--warn:#8a5a00;--bad:#a31f1f;--focus:#ffbf47;--radius:10px;--max:76ch}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-underline-offset:.15em}a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;box-shadow:0 0 0 5px var(--ink)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:.5rem 1rem;border-radius:6px;z-index:10}.skip:focus{left:8px}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em}h1{font-size:clamp(1.6rem,4vw,2.3rem);margin:.4em 0 .3em}h2{font-size:1.35rem;margin:1.8em 0 .5em}h3{font-size:1.1rem;margin:1.3em 0 .4em}
p,ul,ol{margin:0 0 1em}li{margin:.2em 0}dfn{font-style:normal;border-bottom:1px dotted var(--muted)}code{background:var(--soft);padding:.1em .35em;border-radius:4px;font-size:.92em}
.site-header{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;align-items:center;padding:.8rem clamp(1rem,4vw,2.5rem);border-bottom:1px solid var(--line);background:#fff}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;text-decoration:none;color:var(--ink);font-size:1.05rem}
.site-header nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.2rem .9rem}.site-header nav a{text-decoration:none;color:var(--ink);padding:.3rem .2rem;border-bottom:2px solid transparent}.site-header nav a:hover{border-color:var(--brand)}
main{max-width:var(--max);margin:0 auto;padding:1.2rem clamp(1rem,4vw,2rem) 3rem}
.crumbs ol{list-style:none;padding:0;margin:0 0 .5rem;display:flex;flex-wrap:wrap;gap:.3rem;font-size:.88rem;color:var(--muted)}.crumbs li+li::before{content:"›";margin-right:.3rem}
.meta{color:var(--muted);font-size:.9rem;margin:-.2em 0 1.2em}
.lede{font-size:1.12rem;background:var(--soft);border-left:4px solid var(--brand);padding:.9rem 1.1rem;border-radius:0 var(--radius) var(--radius) 0;margin:0 0 1.4em}
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem clamp(.9rem,3vw,1.6rem);box-shadow:0 6px 24px -18px rgba(23,32,42,.35);margin:0 0 1.6em}
.field{margin:0 0 1rem}.field label,legend{display:block;font-weight:600;margin:0 0 .3rem}.hint{display:block;font-size:.88rem;color:var(--muted);margin:.2rem 0 0}
input[type=text],input[type=url],input[type=number],input[type=email],select,textarea{width:100%;font:inherit;padding:.65rem .8rem;border:1.5px solid #7b8794;border-radius:8px;background:#fff;color:var(--ink)}
textarea{min-height:9rem;resize:vertical}fieldset{border:1px solid var(--line);border-radius:8px;padding:.7rem 1rem;margin:0 0 1rem}
.choices{display:flex;flex-wrap:wrap;gap:.5rem}.choices label{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .8rem;border:1.5px solid var(--line);border-radius:999px;cursor:pointer;font-weight:500}.choices label:has(input:checked){border-color:var(--brand);background:var(--soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:inherit;font-weight:600;padding:.75rem 1.3rem;border-radius:8px;border:2px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer;text-decoration:none;min-height:44px}
.btn:hover{filter:brightness(1.1)}.btn.secondary{background:#fff;color:var(--brand)}.btn.small{padding:.4rem .8rem;min-height:36px;font-size:.92rem}.btn[disabled]{opacity:.6;cursor:wait}
.row{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}
.result{margin-top:1.2rem;border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;background:var(--soft)}.result h2{margin-top:0}.result[hidden]{display:none}
.status{display:flex;gap:.6rem;align-items:center;color:var(--muted)}.spinner{width:18px;height:18px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.ok{color:var(--ok)}.warn{color:var(--warn)}.bad{color:var(--bad)}
.badge{display:inline-block;font-size:.8rem;font-weight:600;padding:.15em .55em;border-radius:999px;background:var(--soft);border:1px solid var(--line)}.badge.ok{background:#e6f4ec;border-color:#9fd3b4}.badge.warn{background:#fff4e0;border-color:#f0c66b}
.steps{list-style:none;padding:0;margin:1rem 0 0}.steps li{padding:.5rem 0 .5rem 1.8rem;position:relative;border-top:1px solid var(--line)}.steps li::before{content:"✓";position:absolute;left:.2rem;color:var(--brand);font-weight:700}
.tbl{overflow-x:auto;margin:1em 0}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{text-align:left;padding:.55rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--soft);font-weight:600}caption{text-align:left;font-weight:600;padding:.3rem 0;color:var(--muted)}
th button{font:inherit;font-weight:600;background:none;border:0;padding:0;cursor:pointer;color:var(--ink);text-decoration:underline dotted}
.cards{list-style:none;padding:0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.cards li{border:1px solid var(--line);border-radius:var(--radius);padding:1rem}.cards p{margin:.4em 0 0;font-size:.95rem}
.faq details{border-top:1px solid var(--line);padding:.6rem 0}.faq summary{cursor:pointer;font-weight:600;padding:.3rem 0}.faq details p{margin:.5em 0 0}
.sources{margin-top:2.5rem;padding-top:1rem;border-top:2px solid var(--line);font-size:.93rem}.sources ul{padding-left:1.2rem}.related ul{padding-left:1.2rem}
.small{font-size:.86rem;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);padding:1.5rem clamp(1rem,4vw,2.5rem);font-size:.9rem;color:var(--muted)}.site-footer ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.3rem 1.2rem}
.tabs{display:flex;gap:.3rem;border-bottom:2px solid var(--line);margin:0 0 1rem;flex-wrap:wrap}.tabs button{font:inherit;font-weight:600;background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-2px;padding:.6rem .9rem;cursor:pointer;color:var(--muted)}.tabs button[aria-selected=true]{color:var(--brand);border-color:var(--brand)}
.drop{border:2px dashed #7b8794;border-radius:var(--radius);padding:1.6rem 1rem;text-align:center;background:var(--soft)}.drop.over{border-color:var(--brand);background:#e9f1f9}.drop input{margin-top:.6rem}
.progress{height:8px;background:var(--line);border-radius:4px;overflow:hidden;margin:.6rem 0 1rem}.progress span{display:block;height:100%;background:var(--brand);transition:width .3s}
.grid2{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.swatch{display:inline-block;width:2.2rem;height:2.2rem;border-radius:6px;border:1px solid var(--line);vertical-align:middle}
.preview{padding:1rem;border-radius:var(--radius);border:1px solid var(--line);margin:.6rem 0}
.note{border:1px solid #f0c66b;background:#fff8e6;border-radius:8px;padding:.7rem 1rem;margin:1em 0}
@media (max-width:600px){body{font-size:16px}.site-header{padding:.7rem 1rem}.btn{width:100%}}
@media print{.site-header,.site-footer,.skip,.crumbs,.tool form,.btn,.faq,.related,.no-print{display:none!important}main{max-width:none;padding:0}.result{border:0;background:none;padding:0}}