:root{
  --blue:#1f6feb; --blue-dark:#1551b6; --ink:#15212e; --muted:#5a6b7b;
  --bg:#f3f6fb; --card:#ffffff; --line:#e1e8f0; --pos:#1a7f37; --neg:#c0392b;
  --accent:#ff7a33;
  --shadow:0 1px 3px rgba(20,40,80,.07),0 8px 24px rgba(20,40,80,.06);
}
*{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:780px;margin:0 auto;padding:0 18px}
a{color:var(--blue-dark)}
header{background:linear-gradient(135deg,var(--blue),var(--blue-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{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.45rem;letter-spacing:.2px;color:#fff;text-decoration:none}
.brand .pc{font-size:1.6rem}
nav.main a{color:#e8f1ff;text-decoration:none;font-size:.9rem;font-weight:600;margin-left:16px;opacity:.95}
nav.main a:hover{opacity:1;text-decoration:underline}
header p.lead{margin:8px 0 0;opacity:.95;max-width:56ch;font-size:1.02rem}
.note{background:#fff6ee;border:1px solid #ffd5b0;border-radius:12px;padding:14px 16px;margin:16px 0 0;
  font-size:.92rem;color:#8a4a18}
.note b{color:#7a3f12}
.note a{color:#7a3f12;font-weight:700}
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]{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:9px;font-size:1rem;background:#fff}
input[type=number]:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,111,235,.15)}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checks{display:flex;flex-wrap:wrap;gap:16px;margin:14px 0 2px}
.checks label{display:flex;align-items:center;gap:8px;font-size:.86rem;font-weight:600;color:var(--ink);margin:0;cursor:pointer}
.checks input{width:auto}
.aek-line{font-size:.85rem;color:var(--muted);margin:10px 0 0}
.aek-line b{color:var(--blue-dark)}
.opp-head,.opp-row{display:grid;grid-template-columns:1fr 168px 38px;gap:10px;align-items:center}
.opp-head{font-size:.78rem;font-weight:600;color:var(--muted);margin:6px 0 8px}
.opp-row{margin-bottom:10px}
.seg{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg button{flex:1;border:0;background:#fff;padding:9px 0;font-size:.84rem;font-weight:600;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--blue);color:#fff}
.seg button:not(:last-child){border-right:1px solid var(--line)}
.del{border:1px solid var(--line);background:#fff;border-radius:9px;height:40px;cursor:pointer;color:var(--neg);font-size:1.1rem;line-height:1}
.row-actions{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap}
button.ghost{background:#fff;border:1px dashed var(--blue);color:var(--blue);padding:10px 14px;border-radius:9px;font-weight:600;cursor:pointer}
button.primary{background:var(--blue);border:0;color:#fff;padding:12px 20px;border-radius:9px;font-weight:700;font-size:1rem;cursor:pointer}
button.primary:hover{background:var(--blue-dark)}
.result{display:none}
.result.show{display:block}
.big{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:2px 0 6px}
.big .new{font-size:2.5rem;font-weight:800;color:var(--blue-dark)}
.delta{font-size:1.1rem;font-weight:700;padding:3px 10px;border-radius:999px}
.delta.pos{background:#e6f4ea;color:var(--pos)}
.delta.neg{background:#fbeae8;color:var(--neg)}
.delta.zero{background:#eef1ee;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 4px}
.stat{background:#f5f8fd;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.stat .k{font-size:.72rem;color:var(--muted);font-weight:600}
.stat .v{font-size:1.1rem;font-weight:700}
table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.92rem}
th,td{text-align:right;padding:8px 8px;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
tr.hl td{background:#e7f0ff;font-weight:700}
tr.over td{color:var(--pos)}
tr.under td{color:var(--neg)}
.target-wrap{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.target-wrap > div{flex:1;min-width:150px}
.select{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:9px;font-size:1rem;background:#fff}
.target-out{margin-top:14px;font-size:.96rem}
.pill{display:inline-block;background:#e7f0ff;color:var(--blue-dark);font-weight:700;border-radius:8px;padding:2px 8px}
.pill.pos{background:#e6f4ea;color:var(--pos)}
.pill.neg{background:#fbeae8;color:var(--neg)}
.verdict{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:6px;padding:14px 16px;border-radius:12px;font-weight:600}
.verdict.over{background:#e6f4ea;color:#155f2b}
.verdict.under{background:#fbeae8;color:#8c2419}
.verdict.equal{background:#eef1f6;color:var(--muted)}
.verdict .tag{font-size:1.05rem;font-weight:800}
/* Inhalt / Prosa */
.prose h2{font-size:1.25rem;margin:26px 0 8px}
.prose h3{font-size:1.04rem;margin:18px 0 6px}
.prose p{margin:0 0 12px}
.prose ul{margin:0 0 12px;padding-left:20px}
.prose li{margin:4px 0}
.prose table{margin:8px 0 16px}
.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;font-size:.98rem}
.faq details[open] summary{border-bottom:1px solid var(--line);margin-bottom:8px}
.faq p{margin:0 0 12px}
.cta{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;padding:11px 18px;border-radius:9px;margin-top:6px}
.cta:hover{background:var(--blue-dark)}
/* Blog */
.crumb{font-size:.8rem;color:var(--muted);margin:0 0 10px}
.crumb a{color:var(--blue-dark);text-decoration:none}
.crumb a:hover{text-decoration:underline}
.post-meta{font-size:.82rem;color:var(--muted);margin:0 0 14px}
.postlist{list-style:none;margin:0;padding:0}
.postlist li{border-bottom:1px solid var(--line);padding:14px 0}
.postlist li:last-child{border-bottom:0}
.postlist a{font-weight:700;font-size:1.05rem;text-decoration:none;color:var(--blue-dark)}
.postlist a:hover{text-decoration:underline}
.postlist p{margin:4px 0 0;color:var(--muted);font-size:.9rem}
footer{border-top:1px solid var(--line);padding:22px 0 50px;color:var(--muted);font-size:.82rem}
footer a{color:var(--blue-dark)}
footer .links{margin-bottom:8px}
footer .links a{margin-right:16px;font-weight:600}
@media(max-width:560px){
  .grid3,.grid2{grid-template-columns:1fr}
  .opp-head,.opp-row{grid-template-columns:1fr 132px 38px}
  .stats{grid-template-columns:1fr 1fr}
  .big .new{font-size:2.1rem}
  nav.main a{margin-left:12px}
}