:root {
  --navy: #14213d; --panel: #1e3056; --panel2: #273d6b; --gelb: #f5b700; --gruen: #2ba84a;
  --rot: #d64545; --weiss: #ffffff; --grau: #a9b3c9; --rand: #33497a;
  --schrift: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--navy); color: var(--weiss); font: 17px/1.5 var(--schrift); }
a { color: var(--gelb); }
a:hover { color: #ffd34d; }
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); line-height: 1.2; margin: 0 0 .6rem; }
h2 { font-size: 1.25rem; margin: 0 0 1rem; }
.kopf { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; max-width: 1100px; margin: 0 auto; }
.logo { font-weight: 800; font-size: 1.25rem; text-decoration: none; color: var(--weiss); }
.logo .watt { color: var(--gelb); }
.yt { font-size: .95rem; }
main { max-width: 1100px; margin: 0 auto; padding: 0 1rem 2rem; }
.intro { padding: 1rem .25rem 1.5rem; max-width: 760px; }
.klein { font-size: .9rem; color: var(--grau); }
.raster { display: grid; gap: 1rem; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .raster { grid-template-columns: 1fr 1fr; } .ergebnis { position: sticky; top: 1rem; } }
.karte { background: var(--panel); border-radius: 16px; padding: 1.25rem; margin-bottom: 1rem; }
.feld { margin-bottom: 1rem; }
.feld label { display: block; font-weight: 600; margin-bottom: .3rem; }
.zwei { display: grid; gap: 0 1rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 480px) { .zwei { grid-template-columns: 1fr; } }
.eingabe { display: flex; align-items: center; background: #fff7d6; border: 2px solid var(--gelb); border-radius: 10px; overflow: hidden; }
.eingabe input { flex: 1; min-width: 0; border: 0; background: transparent; padding: .65rem .75rem; font: 600 1.05rem var(--schrift); color: var(--navy); }
.eingabe span { padding: 0 .75rem; color: #5b6478; font-size: .9rem; white-space: nowrap; }
.eingabe:focus-within { outline: 3px solid #ffd34d; outline-offset: 1px; }
input[aria-invalid="true"] { background: #ffe1e1; }
.eingabe:has(input[aria-invalid="true"]) { border-color: var(--rot); }
select { width: 100%; padding: .65rem .75rem; border-radius: 10px; border: 2px solid var(--gelb); background: #fff7d6; font: 600 1.05rem var(--schrift); color: var(--navy); }
.hilfe { margin: .3rem 0 0; font-size: .85rem; color: var(--grau); }
.annahmen { margin-top: .5rem; border-top: 1px solid var(--rand); padding-top: .75rem; }
.annahmen summary { cursor: pointer; color: var(--gelb); font-weight: 600; margin-bottom: .75rem; }
.ergebnis.veraltet .gross, .ergebnis.veraltet .balken, .ergebnis.veraltet .werte { opacity: .35; }
.gross { font-size: 3rem; font-weight: 800; color: var(--gruen); margin: 0; line-height: 1.1; }
.balken { margin: 1rem 0 .5rem; }
.zeile { display: grid; grid-template-columns: 7.5rem 1fr 6rem; align-items: center; gap: .5rem; margin-bottom: .45rem; font-size: .95rem; }
.spur { background: var(--panel2); border-radius: 6px; height: 14px; overflow: hidden; }
.fuell { display: block; height: 100%; background: var(--grau); border-radius: 6px; transition: width .3s; }
.zeile.min .fuell { background: var(--gruen); }
.zeile.min .name, .zeile.min .wert { color: var(--gruen); font-weight: 700; }
.wert { text-align: right; }
.werte { display: grid; grid-template-columns: 1fr auto; gap: .35rem 1rem; margin: 1rem 0; }
.werte dt { color: var(--grau); }
.werte dd { margin: 0; text-align: right; font-weight: 600; }
.betont { font-weight: 800; color: var(--gelb); font-size: 1.1rem; }
.urteil { font-weight: 700; padding: .6rem .8rem; border-radius: 10px; background: var(--panel2); }
.urteil.gut { background: rgba(43,168,74,.2); color: #7fe39a; }
.urteil.mittel { background: rgba(245,183,0,.18); color: #ffd34d; }
.urteil.schlecht { background: rgba(214,69,69,.2); color: #ff9a9a; }
.warnung { background: rgba(214,69,69,.2); border-left: 4px solid var(--rot); padding: .6rem .8rem; border-radius: 6px; }
.fehler { background: rgba(214,69,69,.25); border-left: 4px solid var(--rot); padding: .6rem .8rem; border-radius: 6px; }
.werbung { font-size: .85rem; color: var(--grau); }
.geraete { list-style: none; padding: 0; margin: 0; display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.geraete li { background: var(--panel2); border-radius: 12px; padding: 1rem; border: 2px solid transparent; }
.geraete li.passt { border-color: var(--gruen); }
.g-kopf { display: flex; justify-content: space-between; gap: .5rem; }
.g-kwh { color: var(--gelb); font-weight: 800; white-space: nowrap; }
.g-info { font-size: .88rem; color: var(--grau); margin: .3rem 0 .75rem; }
.g-links { display: flex; flex-wrap: wrap; gap: .5rem; }
.g-links a, .knopf { display: inline-block; background: var(--gelb); color: var(--navy); font-weight: 700; text-decoration: none; padding: .5rem .8rem; border-radius: 8px; border: 0; font-size: .95rem; cursor: pointer; }
.g-links a.sekundaer { background: transparent; color: var(--gelb); border: 2px solid var(--gelb); }
.videos { padding-left: 1.2rem; }
.quellen ul { padding-left: 1.2rem; font-size: .92rem; color: var(--grau); }
.fuss { display: flex; flex-wrap: wrap; gap: 1.25rem; justify-content: center; padding: 1.5rem 1rem 2.5rem; font-size: .9rem; color: var(--grau); }
.text { max-width: 760px; }
.text h2 { margin-top: 1.5rem; }
.platzhalter { background: rgba(245,183,0,.25); padding: 0 .25rem; border-radius: 4px; }