[hidden] { display: none !important; }
:root {
  --bg: #f7f7f5; --fl: #fff; --tx: #1d1d1b; --mt: #666; --ak: #0b5cad; --rand: #ddd; --sig: #fff6dd;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161616; --fl: #222; --tx: #eee; --mt: #aaa; --ak: #7db4ff; --rand: #3a3a3a; --sig: #3a3220; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, sans-serif; background: var(--bg); color: var(--tx);
  display: grid; grid-template-columns: 1fr 300px; grid-template-areas: "kopf kopf" "form form" "main merk" "fuss fuss";
  gap: 0 16px; padding: 0 16px; }
header { grid-area: kopf; }
h1 { font-size: 1.4rem; margin: 16px 0 8px; }
h1 small { font-size: .8rem; font-weight: normal; color: var(--mt); margin-left: 8px; }
form { grid-area: form; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: end;
  background: var(--fl); border: 1px solid var(--rand); border-radius: 8px; padding: 12px; }
form label { display: flex; flex-direction: column; font-size: .85rem; color: var(--mt); }
fieldset label { flex-direction: row; gap: 4px; align-items: center; color: var(--tx); }
fieldset { border: 1px solid var(--rand); border-radius: 6px; display: flex; flex-wrap: wrap; gap: 4px 12px; margin: 0; }
legend { font-size: .8rem; color: var(--mt); }
input, select, button { font: inherit; padding: 6px 8px; border: 1px solid var(--rand); border-radius: 6px;
  background: var(--bg); color: var(--tx); }
input[name="was"] { min-width: 240px; }
button { cursor: pointer; }
button[type="submit"] { background: var(--ak); color: #fff; border-color: var(--ak); padding: 8px 20px; }
main { grid-area: main; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 16px; margin-top: 16px; }
#treffer { list-style: none; padding: 0; margin: 0; }
.karte { background: var(--fl); border: 1px solid var(--rand); border-radius: 8px; padding: 8px 12px; margin-bottom: 8px; cursor: pointer; }
.karte:hover, .karte:focus, .karte.aktiv { border-color: var(--ak); outline: none; }
.karte h3 { font-size: 1rem; margin: 0 0 2px; color: var(--ak); }
.karte p { margin: 0; }
.klein, .hinweis { font-size: .85rem; color: var(--mt); }
#blaettern { display: flex; gap: 12px; align-items: center; margin: 8px 0 24px; }
#detail { background: var(--fl); border: 1px solid var(--rand); border-radius: 8px; padding: 12px 16px;
  align-self: start; position: sticky; top: 8px; max-height: calc(100vh - 16px); overflow: auto; }
#detail h2 { font-size: 1.15rem; margin: 0 0 8px; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; margin: 0 0 12px; font-size: .9rem; }
dt { color: var(--mt); }
dd { margin: 0; }
.aktionen { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; margin-bottom: 12px; }
a { color: var(--ak); }
.signale { background: var(--sig); border-radius: 6px; padding: 8px 12px; margin-bottom: 12px; }
.signale h3 { font-size: .9rem; margin: 0 0 4px; }
.signale ul { margin: 0; padding-left: 18px; font-size: .88rem; }
.beschreibung h4 { margin: 12px 0 4px; }
.beschreibung p, .beschreibung ul { margin: 4px 0; }
.fehler { color: #c0392b; }
#merkliste { grid-area: merk; margin-top: 16px; background: var(--fl); border: 1px solid var(--rand);
  border-radius: 8px; padding: 12px; align-self: start; }
#merkliste h2 { font-size: 1rem; margin: 0; }
#merkeintraege { padding-left: 18px; font-size: .88rem; }
#merkeintraege button { padding: 0 6px; }
footer { grid-area: fuss; margin: 16px 0; }
@media (max-width: 1000px) {
  body { grid-template-columns: 1fr; grid-template-areas: "kopf" "form" "merk" "main" "fuss"; }
  main { grid-template-columns: 1fr; }
  #detail { position: static; max-height: none; }
}
#bereiche { display: flex; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
#bereiche button { border-radius: 6px 6px 0 0; border-bottom: 3px solid transparent; background: var(--fl); }
#bereiche button[aria-selected="true"] { border-bottom-color: var(--ak); font-weight: 600; color: var(--ak); }
form label.haken { flex-direction: row; gap: 4px; align-items: center; color: var(--tx); }
#kontext ul { columns: 2; column-gap: 24px; }
#kontext p { margin: 6px 0 0; }
@media (max-width: 1000px) { #kontext ul { columns: 1; } }