/* DIE BIBLIOTHEK — oeffentliche Seite. Dieselben Marken-Variablen wie
   css/ebook-request.css; eigene Datei, weil die Bibliothek ein Raster
   traegt und jene Seite ein einzelnes Formular. */
:root{color-scheme:dark;--bg:#0d1117;--card:#161d26;--ink:#f0f5f8;--muted:#a9b5c3;--line:#303d4d;--accent:#8fe4e6}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:radial-gradient(ellipse at 14% 32%,#18333270,transparent 50%),var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--accent)}
button,input{font:inherit;touch-action:manipulation}
header,footer{max-width:1180px;margin:auto;padding:30px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-size:16px;letter-spacing:.055em;font-weight:850;text-decoration:none;color:var(--ink)}
.brand span{color:var(--accent)}
.brand .brand-dot{font-size:24px}
.header-note{font-size:10px;letter-spacing:.2em;color:var(--muted)}
main{max-width:1180px;margin:20px auto 56px;padding:0 28px}
.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:700;color:var(--accent);margin:0 0 18px}
.eyebrow>span{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin:0 8px 1px 0}
h1{font-size:clamp(38px,5vw,62px);letter-spacing:-.055em;line-height:1.08;margin:0 0 22px;font-weight:780;text-wrap:balance}
h1 em{font-style:normal;color:var(--accent)}
.lead{font-size:17px;max-width:540px;color:var(--muted);margin:0 0 14px}
.promise{font-size:12px;color:var(--muted);margin:0}
.promise span{margin:0 7px;color:#63827c}
.hero{padding:10px 0 46px;border-bottom:1px solid #1e2834}

/* ------------------------------------------------------------- Das Regal */
.regal-kopf{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:44px 0 20px;flex-wrap:wrap}
h2{font-size:28px;line-height:1.2;letter-spacing:-.04em;margin:0}
.zaehler{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.regal{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(258px,1fr))}
.regal li{display:flex}
.buch{position:relative;flex:1;text-align:left;display:flex;flex-direction:column;gap:9px;background:linear-gradient(155deg,#1b2530,var(--card));border:1px solid var(--line);border-radius:18px;padding:22px 20px 18px;color:var(--ink);cursor:pointer;min-height:168px}
.buch:hover{border-color:#50707a;background:linear-gradient(155deg,#1f2b37,#18212c)}
.buch:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.buch[aria-pressed=true]{border-color:var(--accent);background:linear-gradient(155deg,#1d3338,#16242a)}
.buch-marke{font-size:8px;letter-spacing:.14em;font-weight:800;color:#6f8f92}
.buch-titel{font-size:19px;font-weight:760;letter-spacing:-.03em;line-height:1.22;text-wrap:balance}
.buch-unter{font-size:13px;color:var(--muted);line-height:1.5;margin:0}
.buch-hol{margin-top:auto;padding-top:12px;font-size:12px;font-weight:700;color:var(--accent);display:flex;align-items:center;gap:7px}
.buch[aria-pressed=true] .buch-hol::after{content:"ausgewählt";font-weight:400;color:var(--muted)}
.leer{border:1px dashed var(--line);border-radius:18px;padding:30px;color:var(--muted);font-size:14px;line-height:1.7;margin:0}

/* ---------------------------------------------------------- Das Formular */
.form-karte{background:linear-gradient(155deg,#1b2530,var(--card));border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:0 24px 70px #0003;margin:34px 0 0;max-width:620px;scroll-margin-top:24px}
.gewaehlt{font-size:13px;color:var(--muted);margin:0 0 22px}
.gewaehlt b{color:var(--ink);font-weight:700}
form{display:grid;gap:20px}
.field{display:grid;gap:8px;font-size:14px;font-weight:650}
.field small{font-size:12px;font-weight:400;line-height:1.6;color:var(--muted)}
.optional{font-weight:400;color:var(--muted)}
input:not([type=checkbox]){background:#0d151d;border:1px solid #4b5969;border-radius:10px;padding:13px 14px;min-width:0;width:100%;color:var(--ink);font-size:16px;outline:none}
input:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px #8fe4e624}
input::placeholder{color:#8192a2;opacity:1}
.haken{display:grid;gap:10px}
.haken label{display:flex;gap:11px;align-items:flex-start;border:1px solid #3c4858;background:#101820;border-radius:12px;padding:14px;cursor:pointer;font-size:13px;font-weight:400;line-height:1.55}
.haken label:has(input:checked){border-color:var(--accent);background:#20404455}
.haken label:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:3px}
.haken input{accent-color:var(--accent);width:18px;height:18px;margin:1px 0 0;flex-shrink:0}
.haken b{display:block;font-weight:700;font-size:13.5px;margin-bottom:2px}
.einwilligung{font-size:11px;line-height:1.7;color:var(--muted);background:#111922;border:1px solid #28323f;border-radius:10px;padding:14px;margin:0}
button[type=submit]{background:var(--accent);color:#0b2528;border:0;border-radius:10px;padding:15px 18px;font-size:15px;font-weight:750;width:100%;min-height:52px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px}
button[type=submit]:hover:not(:disabled){background:#b8f4ee}
button[type=submit]:disabled{opacity:.42;cursor:not-allowed}
button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.honey{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
#meldung:not(:empty){margin:18px 0 0;border-radius:10px;background:#422a28;border:1px solid #68403a;padding:14px;color:#f5d3c7;font-size:13px;line-height:1.6}
.hinweis{background:#233633;border:1px solid #3a5550;color:#d7e9e1;padding:14px 16px;border-radius:10px;font-size:13px;line-height:1.65;margin:0}

/* ------------------------------------------------------------- Geschafft */
.geschafft-icon{display:grid;place-items:center;border-radius:50%;width:52px;height:52px;margin-bottom:22px;background:#1c4c40;color:#a4edd2;font-size:26px}
#geschafft{outline:none}
#geschafft p{color:var(--muted);overflow-wrap:anywhere}
#geschafft strong{color:var(--ink)}
#geschafft .hinweis{color:#d7e9e1;margin:22px 0}
.zurueck{font-size:14px;background:none;border:0;color:var(--accent);cursor:pointer;padding:0;text-decoration:underline}

footer{font-size:11px;color:#8f9ba8;border-top:1px solid #26323f;padding-top:24px;margin-top:40px}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a{color:var(--muted);text-decoration:none}

@media(max-width:800px){
 main{max-width:620px;padding:0 22px}
 header{padding:20px 22px}
 .header-note{display:none}
 footer{max-width:620px;padding-left:22px;padding-right:22px}
 .regal{grid-template-columns:1fr}
 .buch{min-height:0}
 .form-karte{padding:24px 20px}
 .hero{padding-bottom:34px}
}
@media(max-width:380px){
 main,header,footer{padding-left:16px;padding-right:16px}
 h1{font-size:34px}
 footer{flex-wrap:wrap}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}