:root {
  --petrol: #0f6e6e;
  --petrol-dark: #0b5252;
  --gruen: #4caf7d;
  --bg: #f4f7f7;
  --card: #ffffff;
  --text: #1c2b2b;
  --muted: #6b7f7f;
  --line: #e2eaea;
  --akzent: var(--petrol);
  --radius: 14px;
  --shadow: 0 2px 10px rgba(15, 110, 110, 0.08);
  font-synthesis: none;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--akzent); }

/* ---- Login ---- */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: radial-gradient(1200px 600px at 70% -10%, rgba(76,175,125,.18), transparent),
              radial-gradient(900px 500px at -10% 110%, rgba(15,110,110,.15), transparent),
              var(--bg);
}
.login-card {
  width: 100%; max-width: 400px;
  background: var(--card); border-radius: 18px; padding: 32px;
  box-shadow: 0 10px 40px rgba(15,110,110,.14);
  animation: auf .5s cubic-bezier(.2,.8,.2,1);
}
@keyframes auf { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.brand .dot { width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--petrol), var(--gruen)); }
.brand h1 { font-size: 20px; margin: 0; }
.sub { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input[type=email], input[type=text] {
  width: 100%; padding: 12px 14px; font-size: 16px;
  border: 1px solid var(--line); border-radius: 10px; background: #fbfdfd;
  transition: border-color .2s, box-shadow .2s;
}
input:focus { outline: none; border-color: var(--petrol); box-shadow: 0 0 0 3px rgba(15,110,110,.12); }
button.primary {
  width: 100%; margin-top: 18px; padding: 12px 16px; font-size: 16px; font-weight: 600;
  color: #fff; border: 0; border-radius: 10px; cursor: pointer;
  background: linear-gradient(135deg, var(--petrol), var(--petrol-dark));
  transition: transform .12s, box-shadow .2s, opacity .2s;
}
button.primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(15,110,110,.28); }
button.primary:active { transform: translateY(0); }
button.primary:disabled { opacity: .6; cursor: default; transform: none; box-shadow: none; }
.hinweis { font-size: 13px; margin-top: 12px; min-height: 18px; }
.hinweis.fehler { color: #c0392b; }
.hinweis.ok { color: var(--petrol); }
.code-demo { margin-top: 10px; font-size: 13px; background: #eef6f6; border: 1px dashed var(--petrol);
  padding: 8px 10px; border-radius: 8px; color: var(--petrol-dark); }

/* ---- App ---- */
header.top {
  background: linear-gradient(135deg, var(--petrol), var(--petrol-dark));
  color: #fff; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 10;
}
header.top .left { display: flex; align-items: center; gap: 12px; }
header.top .dot { width: 30px; height: 30px; border-radius: 9px; background: rgba(255,255,255,.22); }
header.top h1 { font-size: 17px; margin: 0; }
header.top .meta { font-size: 12px; opacity: .85; }
header.top .right { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.pill { background: rgba(255,255,255,.18); padding: 3px 10px; border-radius: 999px; font-size: 12px; }
.linkbtn { background: none; border: 0; color: #fff; cursor: pointer; font-size: 13px; opacity: .9; }
.linkbtn:hover { opacity: 1; text-decoration: underline; }

main { max-width: 960px; margin: 0 auto; padding: 24px 20px 60px; }
.tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.tab { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  cursor: pointer; font-size: 14px; color: var(--muted); transition: all .15s; }
.tab.active { background: var(--petrol); color: #fff; border-color: var(--petrol); }

.ebene { margin-bottom: 26px; }
.ebene-kopf { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.ebene-kopf h2 { font-size: 16px; margin: 0; }
.balken { flex: 1; height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; max-width: 280px; }
.balken > span { display: block; height: 100%; background: linear-gradient(90deg, var(--petrol), var(--gruen));
  border-radius: 999px; transition: width .6s cubic-bezier(.2,.8,.2,1); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.modul {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
  box-shadow: var(--shadow); transition: transform .15s, box-shadow .2s; display: flex; flex-direction: column; gap: 8px;
}
.modul:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(15,110,110,.14); }
.modul .code { font-size: 11px; letter-spacing: 1px; color: var(--muted); text-transform: uppercase; }
.modul h3 { font-size: 15px; margin: 0; }
.modul .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
.tagchip { font-size: 11px; padding: 2px 8px; border-radius: 6px; background: #eef6f6; color: var(--petrol-dark); }
.modul .fuss { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.status { font-size: 12px; font-weight: 600; }
.status.offen { color: var(--muted); }
.status.begonnen { color: #c58a00; }
.status.fertig { color: var(--gruen); }
button.mini { padding: 6px 12px; font-size: 13px; border: 1px solid var(--petrol); background: #fff;
  color: var(--petrol); border-radius: 8px; cursor: pointer; transition: all .15s; }
button.mini:hover { background: var(--petrol); color: #fff; }
button.mini.done { border-color: var(--line); color: var(--muted); }

.leer { color: var(--muted); font-size: 14px; background: #fff; border: 1px dashed var(--line);
  padding: 20px; border-radius: var(--radius); text-align: center; }
.zert { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--gruen);
  color: var(--petrol-dark); padding: 8px 14px; border-radius: 10px; margin: 4px 8px 4px 0; font-size: 14px; }

/* Admin */
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
th, td { text-align: left; padding: 10px 12px; font-size: 14px; border-bottom: 1px solid var(--line); }
th { background: #eef6f6; color: var(--petrol-dark); font-weight: 600; }
.feldzeile { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.feldzeile input, .feldzeile select { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; }
.freigabe-saeule { margin: 10px 0; }
.freigabe-saeule h4 { margin: 10px 0 6px; font-size: 13px; color: var(--muted); }
.chk { display: inline-flex; align-items: center; gap: 6px; margin: 3px 12px 3px 0; font-size: 13px; }
h2.abschnitt { font-size: 16px; margin: 24px 0 8px; }