/* ==========================================================
   Heftstil – gemeinsames Stylesheet der Fachseiten
   ========================================================== */
@font-face{font-family:"Bricolage Grotesque";font-weight:500;font-display:swap;src:url(fonts/bricolage-grotesque-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Bricolage Grotesque";font-weight:700;font-display:swap;src:url(fonts/bricolage-grotesque-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Bricolage Grotesque";font-weight:800;font-display:swap;src:url(fonts/bricolage-grotesque-latin-800-normal.woff2) format("woff2")}
@font-face{font-family:"Source Sans 3";font-weight:400;font-display:swap;src:url(fonts/source-sans-3-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Source Sans 3";font-weight:400;font-style:italic;font-display:swap;src:url(fonts/source-sans-3-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Source Sans 3";font-weight:600;font-display:swap;src:url(fonts/source-sans-3-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Source Sans 3";font-weight:700;font-display:swap;src:url(fonts/source-sans-3-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-weight:400;font-display:swap;src:url(fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-weight:600;font-display:swap;src:url(fonts/jetbrains-mono-latin-600-normal.woff2) format("woff2")}

:root{
  --paper:#fdfdfa; --grid:#dfe8f3; --ink:#1c2333; --muted:#545e70;
  --blue:#1f5fbf; --blue-d:#174a96; --blue-soft:#eaf1fb;
  --red:#c62828; --red-soft:#fff5f5;
  --ok:#187344; --ok-bg:#e8f5e9; --amber:#8a5200; --amber-soft:#fff6e5;
  --line:#c8d3e1; --card:#ffffff; --field:#ffffff; --chip:#f3f6fb;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#141922; --grid:#1f2733; --ink:#e7ecf3; --muted:#a9b4c4;
    --blue:#7fb0ff; --blue-d:#a9c9ff; --blue-soft:#1c2a40;
    --red:#ff8a80; --red-soft:#2d1b1d;
    --ok:#7bd69a; --ok-bg:#16291e; --amber:#f0b45a; --amber-soft:#2b2214;
    --line:#364256; --card:#1a212c; --field:#10151d; --chip:#202938;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#141922; --grid:#1f2733; --ink:#e7ecf3; --muted:#a9b4c4;
  --blue:#7fb0ff; --blue-d:#a9c9ff; --blue-soft:#1c2a40;
  --red:#ff8a80; --red-soft:#2d1b1d;
  --ok:#7bd69a; --ok-bg:#16291e; --amber:#f0b45a; --amber-soft:#2b2214;
  --line:#364256; --card:#1a212c; --field:#10151d; --chip:#202938;
  color-scheme:dark;
}

*{box-sizing:border-box}
body{
  margin:0; color:var(--ink); background-color:var(--paper);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:20px 20px;
  font:17px/1.55 "Source Sans 3",system-ui,sans-serif;
}
h1,h2,h3{font-family:"Bricolage Grotesque",system-ui,sans-serif;line-height:1.15;margin:0;overflow-wrap:break-word;hyphens:auto}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:8px;top:-60px;background:var(--card);padding:8px 12px;border:2px solid var(--blue);border-radius:8px;z-index:50}
.skip:focus{top:8px}

/* ---------- Kopfleiste ---------- */
.site{background:var(--card);border-bottom:2px solid var(--blue);position:sticky;top:0;z-index:20}
.site .in{max-width:980px;margin:0 auto;padding:8px 16px;display:flex;align-items:center;gap:8px 18px;flex-wrap:wrap}
.brand{font:800 1.15rem "Bricolage Grotesque",sans-serif;color:var(--ink);text-decoration:none;margin-right:auto}
.brand span{color:var(--blue)}
.site nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 14px;margin:0;padding:0}
.site nav a{font-weight:600;text-decoration:none;color:var(--ink);padding:4px 2px}
.site nav a:hover,.site nav a[aria-current="page"]{color:var(--blue);text-decoration:underline;text-underline-offset:4px}
.konto{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.92rem}
.konto .wer{font-family:"JetBrains Mono",monospace;background:var(--blue-soft);color:var(--blue-d);border-radius:999px;padding:2px 10px;overflow-wrap:anywhere}

/* Zurück-Leiste (Unterseiten) */
.back{background:var(--card);border-bottom:2px solid var(--blue);position:sticky;top:0;z-index:20}
.back .in{max-width:980px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.back a{font-weight:700;text-decoration:none}
.back a:hover{text-decoration:underline}
.back .crumb{color:var(--muted);font-size:.92rem}

.wrap{max-width:980px;margin:0 auto;padding:22px 16px 70px}

/* ---------- Kopf ---------- */
.hero{background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:22px;margin-bottom:22px}
.kicker{font:600 .82rem "JetBrains Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-d);overflow-wrap:break-word}
.hero h1{font-size:clamp(1.9rem,5vw,2.8rem);font-weight:800;margin:.25rem 0 .5rem}
.hero h1 .nr{color:var(--blue)}
.lead{font-size:1.08rem;margin:.3em 0;overflow-wrap:break-word;hyphens:auto}

/* ---------- Abschnitte / Karten ---------- */
.block{background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:22px;margin-bottom:24px}
.block-head{display:flex;justify-content:space-between;align-items:flex-end;gap:8px 14px;flex-wrap:wrap;border-bottom:2px solid var(--blue);padding-bottom:10px;margin-bottom:16px}
.block-head h2{font-size:clamp(1.4rem,3.6vw,1.85rem);font-weight:800}
.block-head h2 .nr{color:var(--blue);margin-right:.3em}
.block h3{font-size:1.15rem;margin:20px 0 10px;color:var(--blue-d)}
.tag{font:700 .74rem "JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.06em;border-radius:6px;padding:2px 8px;background:var(--blue-soft);color:var(--blue-d);white-space:nowrap}
.tag.frei{background:var(--ok-bg);color:var(--ok)}
.tag.login{background:var(--amber-soft);color:var(--amber)}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr));gap:14px;list-style:none;margin:0;padding:0}
.card{position:relative;display:flex;flex-direction:column;gap:6px;background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:14px 16px;min-width:0}
.card h4,.card .kt{font:700 1.1rem "Bricolage Grotesque",sans-serif;margin:0;overflow-wrap:break-word}
.card .kt .nr,.card h4 .nr{color:var(--blue);margin-right:.3em}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:auto;padding-top:6px}
.card a.stretch{text-decoration:none;color:inherit}
.card a.stretch::after{content:"";position:absolute;inset:0;border-radius:12px}
.card:has(a.stretch:hover){border-color:var(--blue)}
.card.offen{border-left:6px solid var(--ok)}
.card.gesperrt,.card.anmelden,.card.bald{border-left:6px solid var(--line)}
.card .zustand{font-weight:700;font-size:.92rem}
.card.offen .zustand{color:var(--ok)}
.card.gesperrt .zustand,.card.bald .zustand{color:var(--muted)}
.card.anmelden .zustand{color:var(--amber)}
.bar{height:8px;background:var(--chip);border-radius:6px;overflow:hidden}
.bar>span{display:block;height:100%;background:var(--ok)}

/* ---------- Kästen ---------- */
.merke{background:var(--card);border:4px double var(--red);border-radius:6px;padding:12px 16px;margin:16px 0}
.merke .lab,.heft .lab,.hinweis .lab{font:700 .82rem "JetBrains Mono",monospace;letter-spacing:.07em;text-transform:uppercase}
.merke .lab{color:var(--red)}
.heft{background:var(--card);border-left:6px solid var(--blue);border-radius:4px 10px 10px 4px;padding:10px 16px;margin:16px 0;box-shadow:0 1px 0 var(--line)}
.heft .lab{color:var(--blue-d)}
.hinweis{background:var(--amber-soft);border:2px dashed var(--amber);border-radius:12px;padding:12px 16px;margin:14px 0}
.hinweis .lab{color:var(--amber)}

/* ---------- Formulare & Knöpfe ---------- */
label{font-weight:600}
input[type=text],input[type=password],input[type=number],select{
  font:1rem "Source Sans 3",sans-serif;padding:8px 10px;border:1.5px solid var(--line);border-radius:8px;
  background:var(--field);color:var(--ink);max-width:100%}
input.code{font:600 1.15rem "JetBrains Mono",monospace;letter-spacing:.05em;text-transform:uppercase;width:16em}
.feld{display:grid;gap:4px;margin:10px 0}
.reihe{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.btn{font:600 .97rem "Source Sans 3",sans-serif;border:1.5px solid var(--blue);color:var(--blue-d);background:var(--card);border-radius:8px;padding:8px 15px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btn:hover{background:var(--blue-soft)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
:root[data-theme="dark"] .btn.primary{color:#0b1220}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.primary{color:#0b1220}}
.btn.primary:hover{background:var(--blue-d)}
.btn.klein{padding:4px 10px;font-size:.88rem}
.btn.warn{border-color:var(--red);color:var(--red)}
.btn.warn:hover{background:var(--red-soft)}
.linkbtn{font:inherit;background:none;border:none;color:var(--blue);text-decoration:underline;cursor:pointer;padding:0}
.meldung{min-height:1.5em;font-weight:700;margin:8px 0}
.meldung.gut{color:var(--ok)} .meldung.schlecht{color:var(--red)}

/* ---------- Tabellen ---------- */
.tabwrap{overflow-x:auto;max-width:100%}
table.liste{border-collapse:collapse;background:var(--card);font-size:.95rem;min-width:100%}
table.liste th,table.liste td{border:1px solid var(--line);padding:6px 9px;text-align:left;vertical-align:middle}
table.liste thead th{background:var(--blue-soft);position:sticky;top:0}
table.liste td.c,table.liste th.c{text-align:center}

footer.site-fuss{color:var(--muted);font-size:.9rem;text-align:center;padding:10px 16px 40px}
footer.site-fuss a{color:var(--muted)}

@media (max-width:560px){
  body{font-size:16px}
  .block,.hero{padding:16px}
  input.code{width:100%}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{
  body{background:#fff;color:#000}
  .site,.back,.noprint,footer.site-fuss{display:none!important}
}