:root {
  --bg: #ffffff;
  --fg: #1b1f23;
  --muted:#6a7280;
  --surface:#ffffff;
  --border:#e6e8ee;
  --accent:#63B32E;      /* ilu Grün */
  --accent-2:#0044B4;    /* ilu Blau */
  --shadow:0 8px 24px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Inter,Arial,sans-serif;color:var(--fg);background:var(--bg);}
header{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
  padding:12px 20px;border-bottom:4px solid var(--accent);
  background:linear-gradient(0deg, rgba(255,255,255,.9), rgba(255,255,255,.9));
  backdrop-filter:saturate(1.1) blur(6px);
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:52px;width:auto;}
h1{margin:0;font-size:22px;color:var(--accent-2);font-weight:700;}
nav a{color:var(--accent-2);text-decoration:none;font-weight:600;padding:8px 12px;border-radius:8px;margin-left:8px;}
nav a:hover{background:#f0f4fa;}
main{max-width:960px;margin:24px auto;padding:0 16px;}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow);}
h2{margin:0 0 12px;color:var(--accent-2);}
label{display:block;margin:14px 0 6px;color:var(--muted);font-weight:600;}
input,select{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;}
input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,179,46,.2);}
button,.button{display:inline-block;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;font-weight:700;border:none;padding:12px 16px;border-radius:10px;cursor:pointer;box-shadow:0 4px 8px rgba(0,68,180,.3);}
button:hover,.button:hover{filter:brightness(1.1);}
table{width:100%;border-collapse:collapse;margin-top:16px;border:1px solid var(--border);}
th,td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;}
th{background:#f0f4fa;color:var(--accent-2);}
.flash{list-style:none;margin:0 0 16px;padding:0;}
.flash li{padding:10px;border-radius:8px;margin-bottom:6px;}
.flash-success{background:rgba(99,179,46,.15);}
.flash-warning{background:rgba(255,202,106,.15);}
.flash-error{background:rgba(214,69,69,.15);}
footer{text-align:center;color:var(--muted);margin:20px;}