:root{
  --bg:#f8f9fb; --panel:#ffffff;
  --ink:#0f172a; --ink-2:#334155; --muted:#64748b;
  --accent:#2563eb; --accent-hover:#1e40af; --accent-soft:#eef4ff;
  --border:#e4e7ee; --border-2:#d5dae5;
  --radius:12px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 2px 8px rgba(15,23,42,.05);
  --shadow-lg:0 10px 30px rgba(15,23,42,.1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter','Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent);text-decoration:none}
::selection{background:var(--accent);color:#fff}
.ic{width:18px;height:18px;flex-shrink:0;display:inline-block;vertical-align:middle}
.cat-pill .ic{width:15px;height:15px}
.card .ico .ic{width:20px;height:20px}
.cat-ico .ic{width:16px;height:16px}
.badge .ic{width:12px;height:12px;vertical-align:-1px}
.h1-ic{display:inline-flex;vertical-align:-4px;margin-right:4px}
.h1-ic .ic{width:30px;height:30px}
.foot-col h4 .ic{width:14px;height:14px;vertical-align:-2px}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;
  padding:0 28px;height:62px;background:#fff;border-bottom:1px solid var(--border)}
.brand{font-size:1.2rem;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.brand:hover{color:var(--ink)}
.brand-bolt{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;
  background:var(--accent);border-radius:8px;font-size:.95rem}
.search-wrap{flex:1;max-width:480px;margin-left:auto;position:relative}
.search-ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--muted);pointer-events:none}
#search{width:100%;padding:9px 16px 9px 38px;border:1px solid var(--border-2);border-radius:8px;
  background:var(--bg);font-size:.88rem;transition:border-color .15s,box-shadow .15s}
#search::placeholder{color:#94a3b8}
#search:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12);background:#fff}

/* ---------- Barre de catégories ---------- */
.catbar{position:sticky;top:62px;z-index:40;background:#fff;border-bottom:1px solid var(--border)}
.catbar-in{max-width:1400px;margin:0 auto;display:flex;gap:6px;padding:10px 28px;
  overflow-x:auto;scrollbar-width:none}
.catbar-in::-webkit-scrollbar{display:none}
.cat-pill{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;padding:7px 14px;
  border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--ink-2);
  font-size:.83rem;font-weight:600;transition:all .15s;white-space:nowrap}
.cat-pill .n{font-size:.68rem;background:var(--bg);border-radius:99px;padding:1px 7px;color:var(--muted)}
.cat-pill:hover{border-color:var(--accent);color:var(--accent)}
.cat-pill.active{background:var(--ink);border-color:var(--ink);color:#fff}
.cat-pill.active .n{background:rgba(255,255,255,.2);color:#fff}

/* ---------- Contenu ---------- */
.content{max-width:1400px;margin:0 auto;padding:28px}

/* ---------- Hero accueil ---------- */
.hero{background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:46px 32px;margin-bottom:32px;text-align:center;
  background-image:radial-gradient(560px 200px at 50% -40%,#eef4ff,transparent)}
.hero .badge{display:inline-block;background:var(--accent-soft);color:var(--accent);
  padding:5px 14px;border-radius:999px;font-size:.75rem;font-weight:700;margin-bottom:16px}
.hero h1{font-size:2rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;margin-bottom:10px}
.hero p{color:var(--muted);font-size:.98rem;max-width:540px;margin:0 auto}

/* ---------- Catégories / cartes ---------- */
.cat-block{margin-bottom:34px}
.cat-block h2{font-size:1rem;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.cat-block h2 .cat-ico{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;
  border-radius:8px;font-size:.95rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.card{display:flex;align-items:center;gap:13px;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);padding:14px 16px;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--accent);box-shadow:var(--shadow-lg)}
.card .ico{flex-shrink:0;display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;
  border-radius:10px;font-size:1.1rem}
.card .txt{min-width:0}
.card h3{font-size:.9rem;font-weight:600}
.card p{font-size:.76rem;color:var(--muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card::after{content:'→';margin-left:auto;color:var(--border-2);font-weight:700;transition:color .15s,transform .15s}
.card:hover::after{color:var(--accent);transform:translateX(3px)}

/* ---------- Page outil : hero centré façon AfterShip ---------- */
.tool-hero{position:relative;text-align:center;background:#fff;padding:48px 24px 30px;
  margin:-28px -28px 0;border-bottom:1px solid var(--border);
  background-image:radial-gradient(700px 240px at 50% -60%,#eef4ff,transparent)}
.tool-hero .back{position:absolute;left:28px;top:20px;font-size:.82rem;font-weight:600;color:var(--muted)}
.tool-hero .back:hover{color:var(--accent)}
.crumbs{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  font-size:.8rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted);font-weight:600}
.crumbs a:hover{color:var(--accent)}
.crumbs .cur{color:var(--ink-2);font-weight:600}

/* ---------- Bloc SEO page outil ---------- */
.tool-seo{max-width:720px;margin:34px auto 0;padding:0 4px}
.tool-seo h2{font-size:1.15rem;font-weight:800;letter-spacing:-.01em;margin:26px 0 12px}
.tool-seo h2:first-child{margin-top:0}
.steps{padding-left:22px;display:flex;flex-direction:column;gap:8px;color:var(--ink-2);font-size:.93rem}
.steps li::marker{color:var(--accent);font-weight:700}
.feats{list-style:none;display:flex;flex-direction:column;gap:8px;color:var(--ink-2);font-size:.93rem}
.faq{background:var(--panel);border:1px solid var(--border);border-radius:10px;
  padding:13px 16px;margin-bottom:9px}
.faq summary{font-weight:600;font-size:.92rem;cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px}
.faq summary::before{content:'+';color:var(--accent);font-weight:800;font-size:1.05rem}
.faq[open] summary::before{content:'−'}
.faq p{margin-top:9px;color:var(--muted);font-size:.88rem;line-height:1.6}
.tool-hero h1{font-size:2rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;margin-bottom:14px}
.seo-desc{color:var(--muted);font-size:.96rem;line-height:1.65;max-width:640px;margin:0 auto}
.tool-hero .ad-banner-t{max-width:720px;margin:24px auto 0;min-height:70px}
.tool-section{background:var(--bg);margin:0 -28px;padding:36px 20px 48px;border-bottom:1px solid var(--border)}
.tool-wrap{max-width:560px;margin:0 auto}
.tool-wrap .panel{border-radius:14px;padding:28px;box-shadow:var(--shadow-lg)}
.char-counter{text-align:right;font-size:.72rem;color:#94a3b8;margin-top:-2px}
.btn-block{width:100%;justify-content:center;padding:13px;font-size:.96rem;margin-top:16px}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);margin-bottom:20px}
.panel h3{margin-bottom:14px;font-size:.93rem;font-weight:700}

/* ---------- Formulaires ---------- */
.row{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:140px}
.field label{font-size:.8rem;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea,.mini{
  padding:10px 13px;border:1px solid var(--border-2);border-radius:8px;background:#fff;
  width:100%;transition:border-color .15s,box-shadow .15s;font-size:.92rem}
.field input::placeholder,.field textarea::placeholder{color:#94a3b8}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
textarea{resize:vertical}
.checks{display:flex;flex-wrap:wrap;gap:14px}
.checks label{display:flex;align-items:center;gap:7px;font-size:.88rem;font-weight:500;color:var(--ink-2)}
.checks input[type=checkbox],.checks input[type=radio]{accent-color:var(--accent);width:15px;height:15px}
.field input[type=range]{accent-color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border:none;border-radius:8px;
  background:var(--accent);color:#fff;font-weight:600;font-size:.9rem;transition:background .12s}
.btn:hover{background:var(--accent-hover)}
.btn.secondary{background:var(--accent-soft);color:var(--accent)}
.btn.secondary:hover{background:#dbe7fd}
.btn.ghost{background:#fff;border:1px solid var(--border-2);color:var(--ink-2)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.danger{background:#dc2626}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

/* ---------- Résultats ---------- */
.result{margin-top:18px;background:#f8fafd;border:1px dashed #b6c8f2;border-radius:10px;
  padding:18px;white-space:pre-wrap;word-break:break-word;font-family:'Cascadia Code',Consolas,monospace;
  font-size:.88rem;color:var(--ink-2)}
.result.big{font-size:1.4rem;font-family:inherit;text-align:center;font-weight:700;color:var(--ink)}
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:16px}
.kv .cell{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 16px}
.kv .cell b{display:block;font-size:1.2rem;letter-spacing:-.01em}
.kv .cell span{font-size:.76rem;color:var(--muted)}
.list-out{display:flex;flex-direction:column;gap:9px;margin-top:16px}
.list-out .line{background:var(--bg);border:1px solid var(--border);border-radius:9px;
  padding:10px 14px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.list-out .line button{background:none;border:none;color:var(--accent);font-size:.83rem;font-weight:600}
.list-out .line button:hover{text-decoration:underline}
.swatches{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.swatch{width:88px;border-radius:10px;overflow:hidden;border:1px solid var(--border);cursor:pointer;
  background:#fff;box-shadow:var(--shadow);transition:transform .12s}
.swatch:hover{transform:scale(1.05)}
.swatch .c{height:64px}
.swatch .h{text-align:center;font-size:.72rem;padding:6px 2px;font-family:monospace;color:var(--muted)}
.preview-img{max-width:100%;border:1px solid var(--border);border-radius:10px;margin-top:16px}
canvas.preview{max-width:100%;border:1px solid var(--border);border-radius:10px}
.drop{border:2px dashed var(--border-2);border-radius:12px;padding:32px;text-align:center;color:var(--muted);
  cursor:pointer;transition:border-color .15s,background .15s;background:#fbfcfe;font-weight:500}
.drop:hover,.drop.over{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
table.tbl{width:100%;border-collapse:collapse;margin-top:14px;font-size:.88rem}
table.tbl th,table.tbl td{border:1px solid var(--border);padding:8px 12px;text-align:left}
table.tbl th{background:var(--bg);font-weight:600;color:var(--ink-2)}
table.tbl tr:nth-child(even) td{background:#fafbfd}
.err{color:#dc2626;font-size:.85rem;margin-top:10px;font-weight:500}
.hint{color:var(--muted);font-size:.82rem;margin-top:10px}

/* ---------- Pubs ---------- */
.ad-slot{display:flex;align-items:center;justify-content:center;background:#f0f2f7;
  border:1px dashed var(--border-2);border-radius:10px;color:#aab1c2;font-size:.7rem;
  letter-spacing:.1em;text-transform:uppercase;font-weight:600;overflow:hidden;min-height:60px}
.ad-leaderboard{max-width:1400px;margin:14px auto 0;width:calc(100% - 56px);min-height:96px}
.ad-footer{max-width:1200px;margin:0 auto 28px;width:100%;min-height:96px}
.ad-in{margin:24px 0;min-height:120px}
.ad-side{margin-top:14px;min-height:600px}
/* Emplacements AdSense non remplis : on replie le cadre */
.ad-slot:has(ins.adsbygoogle:empty){display:none}

/* ---------- Footer ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:#1e293b;color:#fff;padding:11px 22px;border-radius:999px;
  font-size:.88rem;font-weight:500;opacity:0;transition:.25s;z-index:99;pointer-events:none;
  box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.footer{background:#fff;border-top:1px solid var(--border);padding:32px 28px 40px}
.footer-in{max-width:1200px;margin:0 auto}
.footnav{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;
  padding-bottom:28px;border-bottom:1px solid var(--border);margin-bottom:24px}
.foot-col h4{font-size:.8rem;font-weight:700;color:var(--ink);margin-bottom:10px}
.foot-col a{display:block;font-size:.82rem;color:var(--muted);padding:3px 0}
.foot-col a:hover{color:var(--accent)}
.footer-bottom{text-align:center}
.footer-brand{font-weight:800;font-size:1.05rem;color:var(--ink);margin-bottom:6px}
.footer-bottom p{color:var(--muted);font-size:.85rem}
.calc-display{width:100%;text-align:right;font-size:1.9rem;padding:16px;border:1px solid var(--border-2);
  border-radius:10px;margin-bottom:12px;font-family:monospace;background:#fff;font-weight:700}
.calc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.calc-grid button{padding:17px;font-size:1.1rem;border:1px solid var(--border);border-radius:9px;
  background:#fff;font-weight:600;transition:background .1s}
.calc-grid button:hover{background:var(--bg)}
.calc-grid button.op{background:var(--accent-soft);color:var(--accent)}
.calc-grid button.eq{background:var(--accent);color:#fff}
.calc-grid button.eq:hover{background:var(--accent-hover)}
mark{background:#fde68a;border-radius:3px;padding:0 3px}
.hidden{display:none!important}

@media(max-width:920px){
  .content{padding:18px}
  .topbar{padding:0 16px}
  .catbar-in{padding:10px 16px}
  .hero{padding:32px 20px}
  .hero h1{font-size:1.5rem}
  .panel{padding:18px}
  .tool-hero{margin:-18px -18px 0;padding:34px 16px 26px}
  .tool-hero h1{font-size:1.5rem}
  .tool-hero .back{position:static;display:inline-block;margin-bottom:14px}
  .tool-section{margin:0 -18px;padding:26px 14px 34px}
  .ad-leaderboard{width:calc(100% - 32px)}
}