:root {
  --rot: #C8102E;
  --hg: #f4f5f7;
  --karte: #ffffff;
  --text: #1c1e21;
  --leise: #5f6670;
  --rand: #e2e5e9;
  --schatten: 0 1px 2px rgba(0,0,0,.06), 0 4px 14px rgba(0,0,0,.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --hg: #15171a;
    --karte: #1f2226;
    --text: #eceef1;
    --leise: #9aa1aa;
    --rand: #2e3238;
    --schatten: 0 1px 2px rgba(0,0,0,.4);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--hg);
  color: var(--text);
  line-height: 1.45;
}
a { color: var(--rot); }

/* Anmeldung */
.anmelden { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.karte {
  width: 100%; max-width: 360px;
  background: var(--karte); border: 1px solid var(--rand); border-radius: 14px;
  box-shadow: var(--schatten); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.logo { height: 48px; width: auto; align-self: center; }
.karte h1 { margin: 0 0 4px; text-align: center; font-size: 1.4rem; }
label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; color: var(--leise); }
input {
  font: inherit; color: var(--text); background: var(--hg);
  border: 1px solid var(--rand); border-radius: 8px; padding: 10px 12px;
}
input:focus { outline: 2px solid var(--rot); outline-offset: 1px; }
button {
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--rot); color: #fff; border: 0; border-radius: 8px; padding: 11px 14px;
}
button:hover { filter: brightness(1.08); }
.fehler { margin: 0; padding: 10px 12px; border-radius: 8px; background: rgba(200,16,46,.1); color: var(--rot); font-size: .9rem; }

/* Kopfzeile */
.kopf {
  position: sticky; top: 0; z-index: 1;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; background: var(--karte); border-bottom: 1px solid var(--rand);
}
.marke { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.logo-klein { height: 30px; width: auto; }
.abmelden { background: transparent; color: var(--leise); border: 1px solid var(--rand); padding: 7px 12px; font-weight: 500; }
.abmelden:hover { color: var(--text); }

/* Kacheln */
.portal { max-width: 1100px; margin: 0 auto; padding: 8px 16px 40px; }
.portal h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--leise); margin: 28px 0 12px; }
.raster { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.kachel {
  display: flex; flex-direction: column; gap: 6px; min-height: 150px;
  padding: 18px; border-radius: 14px; text-decoration: none; color: inherit;
  background: var(--karte); border: 1px solid var(--rand); box-shadow: var(--schatten);
  transition: transform .12s ease, border-color .12s ease;
}
.kachel:hover, .kachel:focus-visible { transform: translateY(-2px); border-color: var(--rot); outline: none; }
.symbol {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 6px;
  display: grid; place-items: center; font-size: 1.5rem; color: #fff;
}
.name { font-weight: 700; font-size: 1.05rem; }
.text { color: var(--leise); font-size: .9rem; flex: 1; }
.adresse { color: var(--leise); font-size: .75rem; opacity: .8; word-break: break-all; }

.farbe-rot { background: #C8102E; }
.farbe-blau { background: #2563eb; }
.farbe-gruen { background: #16a34a; }
.farbe-orange { background: #ea580c; }
.farbe-lila { background: #7c3aed; }
.farbe-tuerkis { background: #0d9488; }
.farbe-grau { background: #4b5563; }
.farbe-braun { background: #92400e; }

@media (max-width: 520px) {
  .raster { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kachel { min-height: 130px; padding: 14px; }
  .adresse { display: none; }
}