/* TVöD Stufen-Rechner, mobile-first */
:root{
  --accent:#1a5fa8; --accent-dark:#134a85; --ink:#1a1d22; --muted:#5b6572;
  --bg:#f4f6f9; --card:#fff; --line:#e2e7ee; --pos:#1a7f37; --neg:#c0392b;
  --hl:#eaf2fb;
  --shadow:0 1px 3px rgba(0,0,0,.07),0 8px 24px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
.wrap{max-width:760px;margin:0 auto;padding:0 18px}
a{color:var(--accent-dark)}
header{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;padding:30px 0 26px}
header .wrap{display:flex;flex-direction:column;gap:6px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.35rem;color:#fff;text-decoration:none}
nav.main a{color:#e3eefc;text-decoration:none;font-size:.9rem;font-weight:600;margin-left:16px}
header p.lead{margin:8px 0 0;opacity:.94;max-width:58ch;font-size:1.02rem}
main{padding:22px 0 50px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:18px 0;box-shadow:var(--shadow)}
h1{font-size:1.5rem;margin:0 0 8px;line-height:1.25}
h2{font-size:1.2rem;margin:0 0 4px}
.sub{color:var(--muted);font-size:.9rem;margin:0 0 16px}
label{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin-bottom:5px}
input[type=number],input[type=text],input[type=date],select{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:9px;font-size:1rem;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(26,95,168,.15)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.grid2{grid-template-columns:1fr}}
.feld{margin-bottom:12px}
.hint{font-size:.78rem;color:var(--muted);margin-top:4px}
.row-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
button.primary{background:var(--accent);border:0;color:#fff;padding:12px 20px;border-radius:9px;font-weight:700;font-size:1rem;cursor:pointer}
button.primary:hover{background:var(--accent-dark)}
button.ghost{background:#fff;border:1px solid var(--line);color:var(--accent-dark);padding:8px 14px;border-radius:9px;font-weight:600;font-size:.88rem;cursor:pointer}
button.ghost:hover{border-color:var(--accent)}
details.optional{border:1px solid var(--line);border-radius:10px;padding:2px 14px;margin:12px 0;background:#fbfcfe}
details.optional summary{cursor:pointer;font-weight:700;padding:10px 0;color:var(--accent-dark)}
details.optional .inner{padding:4px 0 14px}
.u-zeile{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end;margin-bottom:10px}
@media(max-width:560px){.u-zeile{grid-template-columns:1fr 1fr auto}}
.highlight{background:var(--hl);border:1px solid #c9ddf3;border-radius:12px;padding:18px;margin-top:16px}
.highlight .datum{font-size:2.2rem;font-weight:800;color:var(--accent-dark);line-height:1.2}
.highlight .info{font-size:1.02rem;margin-top:4px}
.delta{font-size:1rem;font-weight:700;padding:3px 10px;border-radius:999px;white-space:nowrap}
.delta.pos{background:#e6f4ea;color:var(--pos)}
.endstufe{background:#fff7e6;border:1px solid #f0dfb6;border-radius:12px;padding:16px;margin-top:16px}
.zeitstrahl{list-style:none;margin:16px 0 0;padding:0;position:relative}
.zeitstrahl::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--line)}
.zeitstrahl li{position:relative;padding:0 0 18px 34px}
.zeitstrahl li::before{content:"";position:absolute;left:2px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--accent)}
.zeitstrahl li.aktuell::before{background:var(--accent)}
.zeitstrahl li:last-child{padding-bottom:0}
.zeitstrahl .zs-datum{font-weight:700;color:var(--accent-dark)}
.zeitstrahl .zs-stufe{font-weight:700}
.zeitstrahl .zs-betrag{font-variant-numeric:tabular-nums}
.zeitstrahl .zs-netto{color:var(--muted);font-size:.88rem}
.summe{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:1rem}
.summe strong{font-size:1.15rem}
.notiz{font-size:.8rem;color:var(--muted);margin-top:14px}
table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.92rem}
th,td{text-align:right;padding:8px;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
.prose h2{font-size:1.25rem;margin:26px 0 8px}
.prose h3{font-size:1.05rem;margin:18px 0 6px}
.prose p{margin:0 0 12px}
.prose ul{margin:0 0 12px;padding-left:22px}
.prose li{margin-bottom:4px}
.faq details{border:1px solid var(--line);border-radius:10px;padding:2px 14px;margin:10px 0;background:#fff}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0}
.cta{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:11px 18px;border-radius:9px;margin-top:6px}
.breadcrumb{font-size:.82rem;color:var(--muted);margin:14px 0 0}
.breadcrumb a{color:var(--muted)}
footer{border-top:1px solid var(--line);padding:22px 0 50px;color:var(--muted);font-size:.82rem}
footer a{color:var(--muted)}
@media(max-width:560px){.highlight .datum{font-size:1.7rem}}