:root {
  --creme: #faf6ee; --karte: #ffffff; --apfel: #67a844;
  --apfel-dunkel: #2e5339; --text: #2b2b26; --muted: #8a8577;
  --fehler: #c0392b; --rand: #e8e2d4;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--creme); color: var(--text);
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif; line-height: 1.5;
}
.hero { text-align: center; padding: 28px 16px 8px; }
.hero .logo { font-size: 44px; }
.hero h1 { margin: 4px 0 0; color: var(--apfel-dunkel); font-size: 28px; }
.hero .sub { margin: 2px 0 0; color: var(--muted); }
.wrap { max-width: 560px; margin: 0 auto; padding: 12px 16px 48px; }
.steps {
  display: flex; gap: 6px; justify-content: center; list-style: none;
  padding: 0; margin: 10px 0 18px; font-size: 13px; color: var(--muted);
}
.steps li { padding: 4px 10px; border-radius: 999px; background: #efe9db; }
.steps li.active { background: var(--apfel); color: #fff; font-weight: 600; }
.card {
  background: var(--karte); border: 1px solid var(--rand);
  border-radius: 16px; padding: 20px; margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(46, 83, 57, 0.07);
}
.card h2 { margin: 0 0 14px; font-size: 20px; color: var(--apfel-dunkel); }
label { display: block; font-size: 14px; font-weight: 600; margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 12px; font-size: 16px; border: 1px solid var(--rand);
  border-radius: 10px; background: #fffdf8;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--apfel); border-color: var(--apfel);
}
.unit-toggle { display: flex; gap: 8px; }
.toggle {
  flex: 1; padding: 12px; border-radius: 10px; border: 1px solid var(--rand);
  background: #fffdf8; font-size: 16px; cursor: pointer;
}
.toggle.active { background: var(--apfel); border-color: var(--apfel);
  color: #fff; font-weight: 600; }
.quote {
  margin-top: 14px; background: #f2f7ec; border: 1px solid #d8e8c9;
  border-radius: 10px; padding: 12px 14px; font-size: 15px;
}
.quote-row { display: flex; justify-content: space-between; padding: 2px 0; }
.choice .radio { display: block; font-weight: 400; padding: 10px 0; }
.choice small { color: var(--muted); }
.two-col { display: flex; gap: 12px; }
.two-col > div { flex: 1; }
.slots {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
  gap: 8px; margin-top: 14px;
}
.slot {
  padding: 10px 4px; text-align: center; border-radius: 999px;
  border: 1px solid var(--rand); background: #fffdf8; cursor: pointer;
  font-size: 15px;
}
.slot.selected { background: var(--apfel-dunkel); color: #fff;
  border-color: var(--apfel-dunkel); font-weight: 600; }
button.primary {
  width: 100%; margin-top: 16px; padding: 14px; font-size: 17px;
  font-weight: 700; color: #fff; background: var(--apfel);
  border: 0; border-radius: 12px; cursor: pointer;
}
button.primary:disabled { background: #c9c3b4; cursor: not-allowed; }
button.ghost {
  margin-top: 16px; padding: 14px 18px; font-size: 15px; background: none;
  border: 1px solid var(--rand); border-radius: 12px; cursor: pointer;
  color: var(--muted);
}
.nav { display: flex; gap: 10px; }
.nav .primary { flex: 1; }
.error { color: var(--fehler); font-size: 14px; margin: 10px 0 0; }
.muted { color: var(--muted); font-size: 14px; }
.hidden { display: none !important; }
.foot { text-align: center; color: var(--muted); font-size: 13px;
  padding: 12px 0 24px; }