/* QRFR.de – gemeinsames Stylesheet */
:root{
  --ink:#20242b;
  --bg:#f6f7f9;
  --card:#ffffff;
  --line:#e4e7ec;
  --blue:#1a73e8;
  --blue-dark:#155ec7;
  --green:#1e8e3e;
  --amber:#b06000;
  --muted:#5f6673;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html,body{margin:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--blue-dark);}
.wrap{max-width:680px;margin:0 auto;padding:0 18px;}

/* Header / Navigation */
.site-header{background:#fff;border-bottom:1px solid var(--line);}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px;}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:700;font-size:1.05rem;letter-spacing:-0.01em;}
.logo img{width:26px;height:26px;border-radius:6px;}
.logo span b{color:var(--blue);}
.nav{display:flex;gap:18px;font-size:.9rem;}
.nav a{text-decoration:none;color:var(--muted);font-weight:500;}
.nav a:hover{color:var(--blue-dark);}

/* Typo */
main{padding:34px 0 60px;}
h1{font-size:1.55rem;margin:0 0 10px;letter-spacing:-0.015em;line-height:1.3;}
h2{font-size:1.2rem;margin:38px 0 10px;letter-spacing:-0.01em;}
h3{font-size:1.02rem;margin:26px 0 8px;}
p{margin:0 0 14px;}
.lead{color:var(--muted);font-size:1rem;max-width:56ch;}
ul,ol{padding-left:22px;margin:0 0 16px;}
li{margin-bottom:6px;}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:16px;}

/* Buttons */
button{font-family:inherit;cursor:pointer;}
.btn{
  display:inline-block;padding:12px 20px;border:none;border-radius:10px;
  background:var(--blue);color:#fff;font-size:.95rem;font-weight:600;transition:.12s;
  text-decoration:none;text-align:center;
}
.btn:hover{background:var(--blue-dark);}
.btn:disabled{background:#c6ccd4;cursor:default;}
.btn:focus-visible{outline:2px solid var(--blue-dark);outline-offset:2px;}
.btn.ghost{background:#fff;color:var(--blue-dark);border:1.5px solid var(--line);}
.btn.ghost:hover{background:#f1f5fb;border-color:#c9d7ee;}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}

/* Generator */
.smart{position:relative;}
textarea#smart-in{
  width:100%;min-height:86px;resize:vertical;
  padding:14px 15px;border:1.5px solid var(--line);border-radius:11px;
  font-size:1rem;font-family:inherit;line-height:1.4;color:var(--ink);
}
textarea#smart-in:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,115,232,.15);}
.detect{margin-top:10px;font-size:.85rem;min-height:1.4em;display:flex;align-items:center;gap:7px;color:var(--muted);}
.detect .dot{width:8px;height:8px;border-radius:50%;background:#c6ccd4;flex:none;}
.detect.ok{color:var(--green);}   .detect.ok .dot{background:var(--green);}
.detect.warn{color:var(--amber);} .detect.warn .dot{background:var(--amber);}
.detect.blue{color:var(--blue-dark);} .detect.blue .dot{background:var(--blue);}
.guide{display:none;margin-top:16px;border-top:1px dashed var(--line);padding-top:16px;}
.guide.show{display:block;}
.guide h3,.guide .guide-title{font-size:.95rem;font-weight:600;margin:0 0 8px;}
.guide ol{margin:0 0 12px;padding-left:20px;font-size:.88rem;color:var(--muted);}
.guide ol li b{color:var(--ink);}
.tip{
  background:#eef6ef;border:1px solid #cfe6d4;border-radius:12px;
  padding:14px 16px;font-size:.87rem;color:#245c34;margin-bottom:16px;
}
.tip b{display:block;margin-bottom:3px;}
.tip a{color:#1e8e3e;font-weight:600;}

/* Ergebnis */
#result{display:none;}
#result.show{display:block;}
.quality{display:inline-flex;align-items:center;gap:7px;font-size:.8rem;font-weight:600;padding:5px 12px;border-radius:999px;margin-bottom:16px;}
.quality.direct{background:#e6f4ea;color:var(--green);}
.quality.profile{background:#fef7e0;color:var(--amber);}
.res-grid{display:flex;gap:26px;flex-wrap:wrap;align-items:flex-start;}
.qr-frame{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;width:min-content;}
#qr-display img,#qr-display canvas{display:block;width:220px;height:220px;}
#qr-hires{position:absolute;left:-9999px;top:0;}
.res-side{flex:1;min-width:230px;}
.res-side label{font-size:.8rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;}
.linkbox{background:#f1f3f6;border:1px solid var(--line);border-radius:9px;padding:11px 12px;font-size:.8rem;word-break:break-all;font-family:var(--mono);margin:6px 0 14px;}
.note{font-size:.83rem;color:var(--muted);margin-top:14px;}

/* Steps / Features */
.steps3{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin:18px 0;}
.step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;}
.step .n{display:inline-flex;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:.85rem;align-items:center;justify-content:center;margin-bottom:8px;}
.step h3{margin:0 0 5px;font-size:.95rem;}
.step p{margin:0;font-size:.85rem;color:var(--muted);}

/* FAQ */
details.faq{background:#fff;border:1px solid var(--line);border-radius:11px;padding:0;margin-bottom:10px;overflow:hidden;}
details.faq summary{cursor:pointer;font-weight:600;font-size:.95rem;padding:15px 18px;list-style:none;position:relative;}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{content:"+";position:absolute;right:18px;color:var(--blue);font-size:1.2rem;font-weight:400;}
details.faq[open] summary::after{content:"–";}
details.faq .a{padding:0 18px 15px;font-size:.9rem;color:var(--muted);}
details.faq .a p{margin:0 0 10px;}
details.faq .a p:last-child{margin:0;}

/* Ratgeber-Kacheln */
.guides-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:18px 0;}
.gcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-decoration:none;color:var(--ink);transition:.12s;display:block;}
.gcard:hover{border-color:#c9d7ee;box-shadow:0 2px 10px rgba(26,115,232,.08);}
.gcard h3{margin:0 0 6px;font-size:.98rem;color:var(--blue-dark);}
.gcard p{margin:0;font-size:.85rem;color:var(--muted);}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(8px);background:var(--ink);color:#fff;padding:11px 20px;border-radius:10px;font-size:.9rem;opacity:0;pointer-events:none;transition:.18s;z-index:50;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* Footer */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:26px 0;margin-top:20px;}
.site-footer .wrap{font-size:.83rem;color:var(--muted);}
.site-footer nav{margin-bottom:8px;display:flex;flex-wrap:wrap;gap:6px 16px;}
.site-footer nav a{color:var(--muted);text-decoration:none;}
.site-footer nav a:hover{color:var(--blue-dark);}
.site-footer .legal{color:#9aa1ab;}
.site-footer .legal a{color:#9aa1ab;}

/* Inhaltsseiten */
.article p{max-width:66ch;}
.article ul,.article ol{max-width:62ch;}
.cta-box{background:linear-gradient(135deg,#1a73e8,#155ec7);border-radius:14px;padding:24px;color:#fff;margin:32px 0;}
.cta-box h2{margin:0 0 8px;color:#fff;font-size:1.15rem;}
.cta-box p{color:#dce8fb;font-size:.92rem;margin:0 0 16px;}
.cta-box .btn{background:#fff;color:var(--blue-dark);}
.cta-box .btn:hover{background:#eef4fd;}
.breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--muted);text-decoration:none;}
.breadcrumb a:hover{color:var(--blue-dark);}

@media (prefers-reduced-motion:reduce){*{transition:none!important;}}
@media (max-width:560px){
  .nav{gap:12px;font-size:.85rem;}
  h1{font-size:1.35rem;}
}