:root {
  --bg: #f5f5f7; --karte: #ffffff; --text: #1d1d1f; --muted: #6e6e73; --linie: #e3e3e8;
  --akzent: #93c572; --akzent-dunkel: #5f8f3e; --schwarz: #111; --rot: #d93025; --gelb: #b26a00;
  --radius: 16px; --schatten: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000; --karte: #1c1c1e; --text: #f5f5f7; --muted: #a1a1a6; --linie: #2c2c2e;
    --schwarz: #f5f5f7; --schatten: none; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif; }
h1 { font-size: 30px; letter-spacing: -.02em; margin: 8px 0 6px; }
h2 { font-size: 20px; margin: 36px 0 12px; letter-spacing: -.01em; }
code { background: var(--linie); padding: 1px 6px; border-radius: 6px; font-size: .9em; }
.muted { color: var(--muted); } .klein { font-size: 14px; }
.logo { font-weight: 700; font-size: 19px; letter-spacing: -.02em; }
.logo span { color: var(--akzent-dunkel); margin-left: 4px; font-weight: 600; }
@media (prefers-color-scheme: dark) { .logo span { color: var(--akzent); } }

.btn { border: 0; border-radius: 999px; padding: 11px 20px; font: inherit; font-weight: 600; cursor: pointer; }
.btn.primary { background: var(--schwarz); color: var(--bg); }
.btn.akzent { background: var(--akzent); color: #10210a; }
.btn.ghost { background: transparent; color: var(--muted); }
.btn.klein { padding: 7px 14px; font-size: 14px; }
.btn:disabled { opacity: .45; cursor: default; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-box { background: var(--karte); padding: 36px 28px; border-radius: 24px; box-shadow: var(--schatten);
  width: 100%; max-width: 360px; display: grid; gap: 14px; text-align: center; }
.login-box .logo { font-size: 26px; }
input, textarea { width: 100%; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--linie);
  border-radius: 12px; padding: 11px 13px; }
input:focus, textarea:focus { outline: 2px solid var(--akzent); border-color: transparent; }
.fehler-text { color: var(--rot); min-height: 1.2em; margin: 0; font-size: 14px; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 16px; padding: 12px 24px;
  background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--linie); }
.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { border: 0; background: none; font: inherit; font-size: 15px; color: var(--muted); padding: 8px 14px;
  border-radius: 999px; cursor: pointer; white-space: nowrap; }
.tabs button.aktiv { background: var(--karte); color: var(--text); box-shadow: var(--schatten); font-weight: 600; }
main { max-width: 1080px; margin: 0 auto; padding: 24px 24px 60px; }
.fuss { text-align: center; color: var(--muted); font-size: 13px; padding: 24px; }

.hero { padding: 20px 0 8px; } .hero h1 { font-size: 40px; }
.kacheln { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 20px; }
.kachel { background: var(--karte); border-radius: var(--radius); padding: 18px; box-shadow: var(--schatten); }
.kachel b { display: block; font-size: 30px; letter-spacing: -.02em; }
.kachel span { color: var(--muted); font-size: 14px; }

.karte { background: var(--karte); border-radius: var(--radius); padding: 20px; box-shadow: var(--schatten); }
.formular { display: grid; gap: 14px; }
.formular label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); font-weight: 500; }
.formular label.haken { display: flex; align-items: center; gap: 10px; color: var(--text); }
.formular label.haken input { width: auto; }
#einstForm { grid-template-columns: 1fr 1fr; } #einstForm button { justify-self: start; }
.zwei { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }

.verbindungen { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.verb { background: var(--karte); border-radius: var(--radius); padding: 16px; box-shadow: var(--schatten); display: grid; gap: 8px; }
.verb .punkt { width: 10px; height: 10px; border-radius: 50%; background: var(--linie); display: inline-block; margin-right: 8px; }
.verb.ok .punkt { background: var(--akzent); }
.verb small { color: var(--muted); font-size: 13px; }

.ablauf { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; counter-reset: s; }
.ablauf li, .eintrag { background: var(--karte); border-radius: 14px; padding: 14px 16px; box-shadow: var(--schatten);
  display: flex; gap: 14px; align-items: flex-start; }
.ablauf li::before { counter-increment: s; content: counter(s, decimal-leading-zero); font-weight: 700; color: var(--muted);
  font-variant-numeric: tabular-nums; min-width: 24px; }
.schalter { appearance: none; width: 24px; height: 24px; min-width: 24px; border-radius: 50%; border: 2px solid var(--linie);
  cursor: pointer; display: grid; place-items: center; margin: 0; padding: 0; background: none; }
.schalter:checked { background: var(--akzent); border-color: var(--akzent); }
.schalter:checked::after { content: ""; width: 6px; height: 11px; border: solid #10210a; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg) translate(-1px, -1px); }
.erledigt .inhalt b { text-decoration: line-through; color: var(--muted); }
.inhalt { flex: 1; display: grid; gap: 4px; } .inhalt p { margin: 0; color: var(--muted); font-size: 14px; }
.klickweg { font-size: 13px; background: var(--bg); border-radius: 8px; padding: 6px 10px; color: var(--text); }
.gruppe { margin: 24px 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 600; }
.liste { display: grid; gap: 8px; }

.produkte { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.produkt { background: var(--karte); border-radius: var(--radius); overflow: hidden; box-shadow: var(--schatten); display: grid; }
.produkt .bild { aspect-ratio: 3/4; max-height: 260px; width: 100%; object-fit: contain;
  background: repeating-conic-gradient(var(--linie) 0 25%, transparent 0 50%) 50% / 20px 20px; }
.produkt .text { padding: 16px; display: grid; gap: 8px; }
.produkt h3 { margin: 0; font-size: 16px; line-height: 1.35; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--bg); color: var(--muted); }
.chip.gruen { background: color-mix(in srgb, var(--akzent) 25%, transparent); color: var(--akzent-dunkel); }
.chip.rot { background: color-mix(in srgb, var(--rot) 12%, transparent); color: var(--rot); }
.chip.gelb { background: color-mix(in srgb, var(--gelb) 14%, transparent); color: var(--gelb); }
.meldung { font-size: 13px; display: flex; gap: 8px; } .meldung.fehler { color: var(--rot); } .meldung.warnung { color: var(--gelb); }

.rechnung { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.rechnung td { padding: 7px 0; border-bottom: 1px solid var(--linie); } .rechnung td:last-child { text-align: right; }
.rechnung tr.summe td { border: 0; font-weight: 700; font-size: 22px; padding-top: 14px; }
.ampel { margin-top: 12px; padding: 10px 14px; border-radius: 12px; font-weight: 600; }
.ampel.ok { background: color-mix(in srgb, var(--akzent) 25%, transparent); color: var(--akzent-dunkel); }
.ampel.nein { background: color-mix(in srgb, var(--rot) 12%, transparent); color: var(--rot); }

.regeln { padding-left: 20px; display: grid; gap: 10px; }
.fallen { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.fallen .karte b { display: block; margin-bottom: 4px; } .fallen .karte p { margin: 0; color: var(--muted); font-size: 14px; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--schwarz); color: var(--bg);
  padding: 10px 18px; border-radius: 999px; font-size: 14px; z-index: 20; }

@media (max-width: 820px) {
  .top { flex-wrap: wrap; padding: 10px 16px; gap: 8px; } .tabs { order: 3; flex-basis: 100%; }
  #abmelden { margin-left: auto; }
  main { padding: 16px 16px 48px; } .hero h1 { font-size: 30px; }
  .kacheln, .verbindungen { grid-template-columns: 1fr 1fr; }
  .zwei, #einstForm { grid-template-columns: 1fr; }
}