:root {
  --blau: #1f3a5f; --blau-hell: #e8eef6; --rand: #d9dee5; --text: #1d232b; --leise: #66707c;
  --gelb: #fff6d5; --rot: #b3261e; --gruen: #1e7a3c; --hinter: #f4f6f9; --karte: #ffffff;
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
       color: var(--text); background: var(--hinter); }
a { color: var(--blau); }
main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
h1 { font-size: 1.6rem; margin: 0.2em 0 0.3em; }
h2 { font-size: 1.2rem; margin: 0 0 0.8em; display: flex; align-items: center; gap: 10px; }
h3 { font-size: 1rem; margin: 1.4em 0 0.6em; }
.kopf { background: var(--blau); color: #fff; display: flex; justify-content: space-between; align-items: center;
        padding: 10px 16px; flex-wrap: wrap; gap: 8px; }
.kopf a, .kopf .link { color: #fff; text-decoration: none; margin-left: 16px; font-size: 0.95rem; }
.kopf .marke { margin-left: 0; font-weight: 700; font-size: 1.05rem; }
.inline { display: inline; }
.link { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; }
.karte { background: var(--karte); border: 1px solid var(--rand); border-radius: 10px; padding: 20px; margin: 16px 0; }
.karte.schmal { max-width: 380px; margin: 60px auto; }
.karte.leer { text-align: center; padding: 40px 20px; }
.karte.gefahr { background: transparent; border: 0; padding: 0; }
.leise { color: var(--leise); font-size: 0.92em; }
.nr { background: var(--blau); color: #fff; border-radius: 50%; width: 28px; height: 28px; display: inline-flex;
      align-items: center; justify-content: center; font-size: 0.95rem; flex: none; }
label { display: block; margin: 0 0 12px; font-weight: 600; font-size: 0.93rem; }
input, textarea { display: block; width: 100%; margin-top: 4px; padding: 9px 10px; font: inherit; font-weight: 400;
                  border: 1px solid var(--rand); border-radius: 6px; background: #fff; }
input[type=file] { padding: 7px; background: var(--hinter); }
input:focus, textarea:focus { outline: 2px solid #8fb1db; border-color: #8fb1db; }
button, .knopf { display: inline-block; padding: 9px 16px; border-radius: 7px; border: 1px solid var(--blau);
                 background: #fff; color: var(--blau); font: inherit; font-weight: 600; cursor: pointer;
                 text-decoration: none; }
button.haupt, .knopf.haupt { background: var(--blau); color: #fff; }
button.zweit { border-color: var(--rand); color: var(--text); }
button.rot { border-color: var(--rot); color: var(--rot); }
button:hover, .knopf:hover { filter: brightness(1.08); }
.knoepfe { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0; }
.zeile-oben { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.raster2, .raster3 { display: grid; gap: 0 14px; }
@media (min-width: 640px) { .raster2 { grid-template-columns: 1fr 1fr; } .raster3 { grid-template-columns: 1fr 1fr 1fr; } }
.meldung { padding: 10px 14px; border-radius: 7px; margin: 10px 0; border: 1px solid; }
.meldung.ok { background: #e7f5ec; border-color: #b7dfc4; color: var(--gruen); }
.meldung.fehler { background: #fdecea; border-color: #f3c1bc; color: var(--rot); }
.meldung.warnung { background: #fff7e0; border-color: #f0d98c; color: #7a5a00; }
.meldung.info { background: var(--blau-hell); border-color: #c5d4e8; color: var(--blau); }
.tabelle-huelle { overflow-x: auto; }
.tabelle { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
.tabelle th, .tabelle td { padding: 7px 8px; border-bottom: 1px solid var(--rand); text-align: left; vertical-align: top; }
.tabelle th { background: var(--blau-hell); font-weight: 600; white-space: nowrap; }
.tabelle .r { text-align: right; white-space: nowrap; }
.tabelle.klein { font-size: 0.82rem; }
.tabelle tr.offen td { background: #fff7e0; }
.klickbar { cursor: pointer; }
.klickbar:hover td { background: #f7f9fc; }
.matrix input.zahl { width: 80px; text-align: right; margin: 0 0 0 auto; }
.matrix td:first-child { white-space: nowrap; }
.vl { background: var(--blau-hell); border-radius: 7px; padding: 10px 14px; margin: 12px 0; font-size: 0.92rem; }
.schritte { padding-left: 20px; }
.schritte li { margin: 0 0 14px; }
.gelb { background: var(--gelb); padding: 1px 5px; border-radius: 4px; }
.hochladen { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 10px 0; }
.hochladen input[type=file] { width: auto; flex: 1 1 240px; margin: 0; }
.zahlen { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin: 14px 0; }
.zahlen div { background: var(--hinter); border-radius: 8px; padding: 10px 12px; }
.zahlen span { display: block; color: var(--leise); font-size: 0.85rem; }
.zahlen strong { font-size: 1.15rem; }
details summary { cursor: pointer; padding: 6px 0; }