/* Rechner im Design von spaetling.de („Dunkles Foto-Portfolio“): dunkler Grund,
   Karten #1a2027, Bernstein-Akzent, Systemschrift, keine externen Ressourcen. */
:root{
  --bg:#101418;--card:#1a2027;--feld:#131a20;--ink:#eef2f5;--text:var(--ink);--muted:#9aa7b2;--soft:#cfd8df;
  --accent:#e8a04c;--accent-ink:#161006;--line:#2a333d;--focus:#6fb3e0;
  --good:#5fc77a;--bad:#f2777a;--warnc:#e8c25c;
  /* Diagramme: Kategorie-Slots 1–3 der validierten Referenzpalette (dunkle Stufen) */
  --s1:#3987e5;--s2:#d95926;--s3:#199e70;--grid:#26303a;--axis:#3a4652;--ink2:#c3ccd4;--chartbg:#161c22;
  color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--accent)}a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:3px}
h1,h2,h3{line-height:1.2;hyphens:auto;overflow-wrap:break-word}
h3{margin:18px 0 8px;font-size:1.05rem}
.wrap{max-width:1440px;margin:0 auto;padding-inline:24px}
@media (max-width:720px){.wrap{padding-inline:14px}}

/* ---------- Kopf wie spaetling.de ---------- */
.site-head{background:rgba(16,20,24,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(6px)}
.head-in{display:flex;align-items:center;gap:18px;padding-block:16px;flex-wrap:wrap}
.brand{text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.04em;font-size:1.08rem;margin-right:auto;white-space:nowrap}
.brand span{color:var(--accent)}
.sitenav{display:flex;gap:6px;flex-wrap:wrap}
.sitenav a{text-decoration:none;color:var(--ink);padding:9px 16px;border-radius:6px;font-size:.97rem}
.sitenav a:hover{background:rgba(255,255,255,.12)}
.sitenav a[aria-current="page"]{background:rgba(255,255,255,.14)}
.nav-btn{display:none;font:inherit;color:var(--ink);background:none;border:1px solid var(--line);border-radius:8px;padding:10px 16px;min-height:44px;cursor:pointer}
@media (max-width:720px){.nav-btn{display:block}.sitenav{display:none;width:100%;flex-direction:column;padding-bottom:10px}.sitenav.open{display:flex}.sitenav a{padding:12px 14px}}

/* ---------- Seitenkopf (Hero ohne Foto, wie Unterseiten) ---------- */
.hero{border-bottom:1px solid var(--line)}
.hero-in{padding-block:40px 26px}
.hero-in>*{max-width:80ch}
.hero h1{font-size:clamp(1.7rem,4.5vw,2.6rem);font-weight:750;margin:0 0 .35em}
.hero h1::before{content:"";display:block;width:44px;border-top:4px solid var(--accent);border-radius:2px;margin-bottom:18px}
p.lede{font-size:1.08rem;color:var(--soft);margin:0}

/* ---------- Bereichs-Navigation des Rechners ---------- */
.appnav{display:flex;gap:6px;flex-wrap:wrap;align-items:center;padding-block:16px 4px}
.appnav button{background:transparent;color:var(--ink);border:1px solid transparent;border-radius:6px;padding:9px 14px;font-weight:500}
.appnav button:hover{background:rgba(255,255,255,.08)}
.appnav button.on{background:rgba(232,160,76,.14);border-color:rgba(232,160,76,.55);color:var(--accent)}
.appnav .rechts{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
main{padding-block:12px 8px}
.zwei{display:grid;grid-template-columns:340px 1fr;gap:18px}
@media (max-width:900px){.zwei{grid-template-columns:1fr}}

/* ---------- Karten, Formulare ---------- */
.card{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
@media (max-width:720px){.card{padding:16px}}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
input,select{width:100%;height:40px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--feld);color:var(--ink);font:inherit}
input:hover,select:hover{border-color:#3a4552}
input:focus,select:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(232,160,76,.18)}
input[type=number]{font-variant-numeric:tabular-nums}
input::placeholder{color:var(--muted);opacity:.75}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}
input[type=range]{height:auto;padding:0;border:0;background:none;accent-color:var(--accent);box-shadow:none}
.row{display:flex;gap:10px}.row>*{flex:1}
.chk{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:13px}.chk input{width:18px}.chk label{margin:0;color:var(--soft)}
button{padding:9px 18px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);font:inherit;font-weight:700;cursor:pointer}
button:hover{filter:brightness(1.08)}
button.sec{background:transparent;color:var(--accent);border:1px solid rgba(232,160,76,.6);font-weight:600}
button.sec:hover{background:rgba(232,160,76,.1);filter:none}
button.klein{padding:5px 11px;font-size:13px}
button:disabled{opacity:.45;cursor:not-allowed;filter:none}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}

/* Bündige Reihen: Felder stehen unabhängig von der Beschriftungslänge auf einer Linie */
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:stretch;gap:2px 14px}
.grid3>div{display:flex;flex-direction:column;justify-content:flex-end;min-width:0}
.grid3>div>label{flex:1;display:flex;align-items:flex-end;gap:6px;flex-wrap:wrap;line-height:1.25}
.knopf-zelle{justify-content:flex-end!important}.knopf-zelle button{height:40px;margin-top:10px;align-self:flex-start;width:auto}
.opt{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:10px;padding:0 6px;line-height:16px;font-weight:400}
.gruppe-titel{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:16px 0 0;display:flex;align-items:center;gap:6px}
.gruppe-titel:first-child{margin-top:4px}

/* ---------- Unter-Reiter ---------- */
.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:12px}
.tabs button{background:transparent;color:var(--soft);border:1px solid var(--line);font-weight:500}
.tabs button:hover{background:rgba(255,255,255,.06);filter:none}
.tabs button.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}

/* ---------- Kennzahlen ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:var(--feld);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;justify-content:space-between;gap:6px;min-width:0}
.kpi span{font-size:12px;color:var(--muted);line-height:1.3}
.kpi b{display:block;font-size:1.3rem;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kpi.gut b{color:var(--good)}.kpi.warn b{color:var(--warnc)}.kpi.schlecht b{color:var(--bad)}

/* ---------- Tabellen ---------- */
.scroll{overflow:auto;max-height:65vh}
table{width:100%;border-collapse:collapse;font-size:13.5px;font-variant-numeric:tabular-nums}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
th{position:sticky;top:0;background:var(--card);color:var(--muted);font-weight:600;font-size:12.5px}
#tv th{cursor:pointer;user-select:none}#tv th:hover{color:var(--ink)}
th:first-child,td:first-child{text-align:left}
tbody tr:hover td,table tr:hover td{background:rgba(255,255,255,.025)}
td input,td select{height:34px;padding:4px 8px}
td select{min-width:125px}
tr.nein td{opacity:.45}tr.summe td{font-weight:700;border-top:2px solid var(--line)}
.zeilen td:first-child{min-width:180px}

.muted{color:var(--muted);font-size:12.5px}.err{color:var(--bad)}.best{color:var(--good);font-weight:700}
.hinweis{background:var(--feld);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:12px 16px;margin:12px 0;color:var(--soft)}
.hinweis b{color:var(--ink)}
.hinweis.gut{border-left-color:var(--good)}.hinweis.warn{border-left-color:var(--warnc)}.hinweis.schlecht{border-left-color:var(--bad)}
.bar{height:10px;border-radius:5px;background:var(--line);overflow:hidden;display:flex}.bar i{display:block;height:100%}
.regler input:disabled{opacity:.35}
.regler label b{color:var(--ink)}
.hh-spalten{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}.hh-spalten>div{min-width:0}
@media (max-width:1200px){.hh-spalten{grid-template-columns:1fr}}
.balken{display:grid;grid-template-columns:minmax(110px,auto) 1fr auto;gap:8px 12px;align-items:center;font-size:13px}
.balken i{display:block;height:12px;background:var(--accent);border-radius:0 4px 4px 0;min-width:2px;opacity:.85}

/* ---------- Diagramme ---------- */
.diagramm{position:relative;background:var(--chartbg);border:1px solid var(--line);border-radius:10px;padding:12px 12px 4px;margin:12px 0}
.diagramm h4{margin:0 0 6px;font-size:14px;font-weight:600}
.legende{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12px;color:var(--ink2);margin-bottom:4px}
.legende span{display:inline-flex;align-items:center;gap:5px}.legende i{width:14px;height:3px;border-radius:2px;display:inline-block}
.legende i.gestrichelt{background:repeating-linear-gradient(90deg,var(--muted) 0 4px,transparent 4px 7px)!important}
.tooltip{position:absolute;pointer-events:none;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:12px;box-shadow:0 4px 16px rgba(0,0,0,.4);white-space:nowrap;z-index:2}
.tooltip b{display:block;margin-bottom:2px}
.tooltip i{display:inline-block;width:10px;height:3px;margin-right:5px;vertical-align:middle;border-radius:2px}
svg text{font-size:11px;fill:var(--muted);font-family:inherit}

/* ---------- Textseite „Warum“ ---------- */
.legal>*{max-width:none}
.legal p,.legal li{color:var(--soft)}
.legal h2{font-size:1.3rem;margin:1.6em 0 .6em}
.legal h2::before{content:"";display:block;width:30px;border-top:3px solid var(--accent);border-radius:2px;margin-bottom:12px}
.legal .unterschrift{color:var(--ink);font-weight:600;margin-top:1.6em}

/* ---------- Fuß wie spaetling.de ---------- */
.site-foot{margin-top:48px;border-top:1px solid var(--line);color:var(--muted)}
.foot-in{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:center;justify-content:space-between;padding-block:22px 8px;font-size:.9rem}
.foot-in p{margin:0}
.site-foot nav{display:flex;flex-wrap:wrap;gap:4px 14px}
.site-foot a{color:var(--muted);padding:8px 0}
.fuss{font-size:12px;color:var(--muted);padding-block:0 26px;max-width:none}
.fuss b{color:var(--soft)}

/* ---------- Startmaske rechtliche Hinweise ---------- */
body.gesperrt{overflow:hidden}
.start-overlay{position:fixed;inset:0;background:rgba(8,10,13,.82);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:16px;z-index:100}
.start-box{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:14px;max-width:820px;width:100%;max-height:calc(100vh - 32px);display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.start-box h2{margin:0;padding:22px 24px 8px;font-size:1.4rem}
.start-box h2::before{content:"";display:block;width:40px;border-top:4px solid var(--accent);border-radius:2px;margin-bottom:14px}
.start-lead{margin:0;padding:0 24px 14px;border-bottom:1px solid var(--line);color:var(--soft)}
.start-lead b{color:var(--ink)}
.start-text{overflow:auto;padding:6px 24px 10px;font-size:14px;color:var(--soft)}
.start-text b{color:var(--ink)}
.start-text h3{font-size:15px;margin:16px 0 6px;color:var(--ink)}.start-text ul{margin:0;padding-left:20px}.start-text li{margin:5px 0}
.start-bestaetigung{border-top:1px solid var(--line);padding:8px 24px 6px;background:var(--feld);border-radius:0 0 14px 14px}
.start-bestaetigung .chk{align-items:flex-start}.start-bestaetigung .chk input{margin-top:2px;flex:none}
.start-bestaetigung label{color:var(--ink);font-size:14px}

/* ---------- Druck: hell, ohne Bedienelemente ---------- */
@media print{
  :root{--bg:#fff;--card:#fff;--feld:#fff;--ink:#000;--soft:#222;--muted:#555;--line:#bbb;--chartbg:#fff;--grid:#ddd;--axis:#999;--ink2:#333}
  .site-head,.appnav,button,.tabs,.nicht-drucken,.start-overlay{display:none!important}
  body{background:#fff;color:#000}.card{border:0;padding:0}.zwei{grid-template-columns:1fr}.hero-in{padding-block:0 10px}
  .scroll{max-height:none;overflow:visible}input,select{border:0;padding:0;background:none;height:auto}
  .site-foot nav{display:none}.fuss{display:block!important;border-top:1px solid #999;padding-top:8px}
}
.skip{position:absolute;left:-999px;top:8px;background:var(--card);color:var(--ink);padding:10px 16px;border-radius:8px;z-index:99}.skip:focus{left:8px}
.knopf-zelle button{height:auto;min-height:40px;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}
/* Auto-Vergleichsmatrix */
.au-gruppen{display:grid;grid-template-columns:1fr 2fr 3fr;gap:0 24px}
@media (max-width:1000px){.au-gruppen{grid-template-columns:1fr}}
.matrix th{text-align:center;vertical-align:bottom;color:var(--ink);font-size:14px;padding:12px 10px}
.matrix th small{display:block;color:var(--muted);font-weight:500;font-size:11.5px;margin-top:2px}
.matrix th.sieger{color:var(--accent);box-shadow:inset 0 3px 0 var(--accent)}
.matrix td{text-align:center}.matrix td:first-child{text-align:left;color:var(--soft)}
.matrix tr.abschnitt td{background:transparent!important;color:var(--muted);font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding-top:16px;border-bottom:1px solid var(--line)}
.matrix tr.text td{white-space:normal;font-size:12.5px;color:var(--soft);min-width:150px;vertical-align:top}
.matrix td.best{color:var(--good)}
#au-erg .scroll{max-height:none}