/* SolarCalc PV – Theme + Skeleton-Overrides */
:root,[data-theme="light"]{
  --bg1:#f1f5fb;--bg2:#e2eaf6;--card:rgba(255,255,255,.9);--card-b:rgba(15,23,42,.1);
  --text:#0f172a;--muted:#546276;--primary:#0e7490;--primary2:#0284c7;--on-primary:#ffffff;
  --ok:#047857;--okbg:rgba(16,185,129,.16);--warn:#b45309;--warnbg:rgba(245,158,11,.18);--err:#b91c1c;--errbg:rgba(239,68,68,.14);
  --inp:#eef2f8;--inp-b:#b8c4d4;--nav:rgba(255,255,255,.94);--grid:rgba(15,23,42,.12);
  --shadow:0 8px 24px rgba(15,23,42,.08);--accent:#b45309;
  --c1:#0e7490;--c2:#b45309;--c3:#6d28d9;--c4:#475569;
}
[data-theme="dark"]{
  --bg1:#0a1020;--bg2:#101b33;--card:rgba(26,38,64,.78);--card-b:rgba(255,255,255,.1);
  --text:#f1f5f9;--muted:#a3b1c6;--primary:#22d3ee;--primary2:#38bdf8;--on-primary:#03212b;
  --ok:#34d399;--okbg:rgba(52,211,153,.16);--warn:#fbbf24;--warnbg:rgba(251,191,36,.16);--err:#f87171;--errbg:rgba(248,113,113,.16);
  --inp:rgba(10,16,32,.6);--inp-b:rgba(255,255,255,.2);--nav:rgba(12,19,36,.95);--grid:rgba(255,255,255,.1);
  --shadow:0 10px 30px rgba(0,0,0,.35);--accent:#fbbf24;
  --c1:#22d3ee;--c2:#fbbf24;--c3:#a78bfa;--c4:#94a3b8;
}
html{font-size:16px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:1rem;line-height:1.45;color:var(--text);min-height:100vh;margin:0;
  background:linear-gradient(160deg,var(--bg1),var(--bg2)) fixed;
  padding-bottom:calc(86px + env(safe-area-inset-bottom));
}
a{color:var(--primary)}
a:hover{color:var(--primary2)}
:focus-visible{outline:3px solid var(--primary2);outline-offset:2px}
h1,h2,h3,h4,h5{color:var(--text);letter-spacing:0;margin-top:0}
p{margin:0 0 .6rem}
label{color:var(--muted);font-weight:500;margin-bottom:.25rem}
hr{border-color:var(--card-b)}
table{width:100%;border-collapse:collapse;font-size:.9rem;margin:0}
th,td{padding:9px 6px;border-bottom:1px solid var(--card-b);text-align:left}
th:first-child,td:first-child{padding-left:0}
th:last-child,td:last-child{padding-right:0;text-align:right}
th{color:var(--muted);font-weight:600;font-size:.78rem}
ul{list-style:disc outside;padding-left:1.2rem;margin:0 0 .6rem}
code{background:var(--inp);border:1px solid var(--card-b);padding:1px 5px;border-radius:5px;font-size:.85em}

/* Header */
header.app{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:calc(10px + env(safe-area-inset-top)) 16px 10px;background:var(--nav);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--card-b);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand .name{font-weight:700;font-size:1.05rem;line-height:1.1}
.brand .name b{color:var(--primary)}
.brand small{display:block;font-size:.72rem;color:var(--muted);font-weight:400;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}
.ctrl{display:flex;gap:8px;align-items:center}
button.pill{height:34px;min-width:44px;padding:0 10px;margin:0;border-radius:10px;border:1px solid var(--card-b);
  background:rgba(34,211,238,.14);color:var(--primary);font-weight:700;font-size:.8rem;letter-spacing:0;text-transform:none;line-height:1}
button.theme{display:flex;height:34px;width:auto;margin:0;border-radius:17px;background:var(--inp);border:1px solid var(--card-b);padding:2px;letter-spacing:0;line-height:1}
button.theme span{width:30px;display:flex;align-items:center;justify-content:center;border-radius:15px;font-size:.85rem;color:var(--muted)}
button.theme span.on{background:var(--primary);color:var(--on-primary)}

/* Layout */
main.container{max-width:760px;padding:6px 14px 10px;width:100%}
h1.title{font-size:1.3rem;line-height:1.25;margin:16px 2px 12px;font-weight:700}
.card{background:var(--card);border:1px solid var(--card-b);border-radius:16px;padding:16px;margin-bottom:14px;
  box-shadow:var(--shadow);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.card h2{font-size:1rem;margin:0 0 12px;font-weight:600}
.card h3{font-size:.9rem;margin:14px 0 8px;font-weight:600}
.sub{font-size:.8rem;color:var(--muted)}
.center{text-align:center}
.mt{margin-top:12px}

/* Subnav */
.subnav{display:flex;gap:6px;overflow-x:auto;padding:10px 0 2px;scrollbar-width:none}
.subnav a{flex:0 0 auto;padding:7px 14px;border-radius:999px;font-size:.85rem;font-weight:600;text-decoration:none;
  color:var(--muted);background:var(--inp);border:1px solid var(--card-b)}
.subnav a[aria-current="page"]{background:var(--primary);color:var(--on-primary);border-color:transparent}

/* String-Karte */
.sc{display:flex;gap:12px;justify-content:space-between;flex-wrap:nowrap}
.sc .l{flex:1 1 0;min-width:0}
.sc .r svg{width:130px;height:auto;max-width:100%}
.sc .l .row2{font-size:.85rem;color:var(--muted);margin-top:4px}
.sc .l .row2 b{color:var(--text);font-weight:600}
.sc .r{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.kv{font-size:.8rem;color:var(--muted);text-align:right}
.kv b{color:var(--text);font-size:1rem;margin-left:6px}
.status-l{font-size:.8rem;color:var(--muted);margin:14px 0 6px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:9px;font-weight:700;font-size:.82rem}
.badge.ok{background:var(--okbg);color:var(--ok)}
.badge.warn{background:var(--warnbg);color:var(--warn)}
.badge.err{background:var(--errbg);color:var(--err)}
.issue{font-size:.82rem;margin-top:8px;padding-left:2px}
.issue.err{color:var(--err)} .issue.warn{color:var(--warn)}

/* Eingaben */
.params{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px}
@media(max-width:380px){.params{grid-template-columns:1fr}}
.param label{display:block;font-size:.8rem;margin-bottom:4px}
.stepper{display:flex;align-items:stretch;background:var(--inp);border:1px solid var(--inp-b);border-radius:10px;overflow:hidden}
.param.warn .stepper{border-color:var(--warn)}
.stepper button{width:40px;min-height:44px;height:auto;padding:0;margin:0;border:0;border-radius:0;background:transparent;
  color:var(--primary);font-size:1.25rem;font-weight:600;line-height:1;letter-spacing:0;text-transform:none}
.stepper button:active{background:rgba(34,211,238,.2)}
.stepper input{flex:1;min-width:0;width:100%;height:auto;margin:0;border:0;border-radius:0;background:transparent;color:var(--text);
  text-align:center;font-size:.95rem;padding:10px 0;box-shadow:none;font-family:inherit}
.hint{font-size:.72rem;color:var(--muted);margin-top:3px}
.param.warn .hint{color:var(--warn)}
input.txt,select.txt,textarea.txt{width:100%;height:auto;min-height:44px;background:var(--inp);border:1px solid var(--inp-b);
  border-radius:10px;color:var(--text);padding:10px 12px;font-size:.95rem;font-family:inherit;box-shadow:none;margin-bottom:0}
input.txt:focus,select.txt:focus{border-color:var(--primary)}
label.f{display:block;font-size:.8rem;margin:10px 0 4px}
input[type=range]{width:100%;height:auto;padding:0;border:0;background:transparent;accent-color:var(--primary);margin:6px 0 2px}
input[type=date],input[type=time]{min-height:44px}
button.btn,a.btn{display:block;width:100%;height:auto;min-height:46px;line-height:1.2;padding:12px;margin:10px 0 0;border:0;border-radius:12px;
  font-weight:700;font-size:.95rem;letter-spacing:0;text-transform:none;text-align:center;text-decoration:none;
  background:linear-gradient(135deg,var(--primary2),var(--primary));color:var(--on-primary)}
button.btn.sec,a.btn.sec{background:var(--inp);color:var(--primary);border:1px solid var(--inp-b)}
button.btn.danger{background:var(--errbg);color:var(--err)}
.btnrow{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btnrow.three{grid-template-columns:1fr 1fr 1fr}

/* Kennzahlen */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(104px,1fr));gap:10px;margin-top:14px}
.stat{background:var(--inp);border:1px solid var(--card-b);border-radius:12px;padding:10px;text-align:center}
.stat .k{font-size:.72rem;color:var(--muted)}
.stat .v{font-size:1.05rem;font-weight:700;color:var(--primary);margin-top:3px}
.big-state{text-align:center;padding:10px 0 4px;font-size:1.5rem;font-weight:800}

/* Formel-Details */
details.why{margin-top:12px;font-size:.82rem;color:var(--muted)}
details.why summary{cursor:pointer;color:var(--primary);font-weight:600;padding:6px 0;list-style:none;min-height:32px}
details.why summary::-webkit-details-marker{display:none}
details.why dl{margin:6px 0 0}
details.why dt{color:var(--text);font-weight:600;margin-top:8px}
details.why dd{margin:2px 0 0}
details.why code{white-space:normal}

/* Charts */
svg.chart{display:block;width:100%;height:auto}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.78rem;color:var(--muted);margin-top:6px}
.legend i{display:inline-block;width:18px;height:0;border-top:3px solid;vertical-align:middle;margin-right:5px}
.hm-info{margin-top:8px;font-size:.85rem;min-height:1.3em}

/* Nav unten */
nav.bottom{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;background:var(--nav);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--card-b);
  padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
nav.bottom a{flex:1;text-align:center;color:var(--muted);font-size:.72rem;font-weight:500;padding:8px 0 4px;position:relative;
  user-select:none;text-decoration:none;min-height:50px}
nav.bottom a svg{display:block;margin:0 auto 3px;width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
nav.bottom a[aria-current="page"]{color:var(--primary);font-weight:700}
nav.bottom a[aria-current="page"]::before{content:"";position:absolute;top:-7px;left:25%;right:25%;height:3px;border-radius:2px;background:var(--primary)}

footer.disc{font-size:.74rem;color:var(--muted);padding:6px 4px 14px;line-height:1.4}

/* Tabellen-Editor (Horizont) */
.hz-row{display:grid;grid-template-columns:1fr 1fr 44px;gap:8px;align-items:end;margin-bottom:8px}
.hz-row button{height:44px;min-height:44px;padding:0;margin:0;border-radius:10px;border:1px solid var(--inp-b);background:var(--inp);color:var(--err);letter-spacing:0;text-transform:none;font-size:1.1rem}

/* Druck: immer hell */
@media print{
  :root,:root[data-theme="dark"],:root[data-theme="light"]{
    --bg1:#fff;--bg2:#fff;--card:#fff;--card-b:#bbb;--text:#000;--muted:#333;--primary:#0e7490;--inp:#f3f4f6;--inp-b:#999;--grid:#ccc;
    --ok:#047857;--okbg:#e6f6ef;--warn:#b45309;--warnbg:#fdf2dc;--err:#b91c1c;--errbg:#fde8e8;--accent:#b45309;
    --c1:#0e7490;--c2:#b45309;--c3:#6d28d9;--c4:#475569;--shadow:none;--on-primary:#fff
  }
  body{background:#fff!important;color:#000!important;padding-bottom:0}
  header.app,nav.bottom,.noprint,.subnav{display:none!important}
  .card{box-shadow:none!important;backdrop-filter:none!important;break-inside:avoid;border:1px solid #bbb!important}
  details.why{display:block} details.why>summary{display:none}
  details.why[open]{display:block}
}