:root{
  --bg1:#0f172a; --bg2:#1e293b; --accent:#1f6feb; --accent-2:#22c55e;
  --card:#0b1220cc; --border:#2b3447; --text:#e5e7eb; --muted:#9aa3b2; --error:#ff7b87;
  --radius:12px; --radius-lg:18px; --shadow:0 20px 60px rgba(0,0,0,.45); --shadow-soft:0 15px 50px rgba(0,0,0,.08);
  --table-head:#0d1424; --table-row:#0a1220; --table-row-alt:#0b1526; --table-sep:#1c2640;
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color:var(--text);
  background:
    radial-gradient(60vw 60vw at 110% -10%, rgba(34,197,94,.15), transparent 40%),
    radial-gradient(60vw 60vw at -10% 110%, rgba(31,111,235,.18), transparent 40%),
    linear-gradient(135deg, var(--bg1), var(--bg2));
}

/* App-Layout */
.layout{ display:grid; grid-template-columns:240px 1fr; grid-template-rows:56px auto;
  grid-template-areas:"nav header" "nav main"; min-height:100vh; width:100%; }
nav.sidebar{
  grid-area:nav; background:#0c1220; color:#c7d2fe; min-height:100vh; position:sticky; top:0; align-self:start;
  display:flex; flex-direction:column; overflow:auto; border-right:1px solid #12203a;
}
nav.sidebar .brand{ font-size:18px; font-weight:800; padding:16px 14px; border-bottom:1px solid #12203a; }
nav.sidebar a{
  color:#bfd2ff; text-decoration:none; padding:12px 16px; display:block; border-left:2px solid transparent;
  transition:background .15s ease, color .15s ease, border-color .15s ease;
}
nav.sidebar a:hover{ background:#0e1a31; color:#fff; }
nav.sidebar a.active{ background:#132242; color:#fff; border-left-color:var(--accent); }
header.topbar{
  grid-area:header; height:56px; background:#0b1324; border-bottom:1px solid #12203a; color:#cbd5e1;
  display:flex; align-items:center; justify-content:space-between; padding:0 18px;
}
main.content{ grid-area:main; padding:20px; }

/* Karten & Texte */
.nico-card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg);
  box-shadow:var(--shadow); backdrop-filter: blur(10px); padding:18px; margin:0 0 18px; position:relative;
}
.nico-card::before{ content:""; display:block; height:2px; border-radius:2px;
  background: linear-gradient(90deg, rgba(34,197,94,.35), rgba(31,111,235,.75), transparent);
  position:absolute; left:0; right:0; top:0; border-top-left-radius:var(--radius-lg); border-top-right-radius:var(--radius-lg);
}
.nico-h1{ margin:6px 0 10px; font-size:22px; font-weight:800; letter-spacing:.2px; }
.nico-muted{ color:var(--muted); font-size:14px; margin:0 0 12px; }
.nico-alert-error{ color:#27050a; background:#ffe7eb; border:1px solid #ffbac4; border-radius:10px; padding:10px 12px; margin:12px 0; }
.nico-alert-info{ color:#0c3320; background:#d1e7dd; border:1px solid #badbcc; border-radius:10px; padding:10px 12px; margin:12px 0; }

/* Formulare/Buttons */
.nico-toolbar{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin:10px 0 14px; }
.nico-input,.nico-select,.nico-textarea{
  padding:10px 12px; border-radius:12px; border:1px solid var(--border); background:#0a1220; color:var(--text); font-size:14px; min-width:160px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
}
.nico-textarea{ min-height:72px; }
.nico-input:focus,.nico-select:focus,.nico-textarea:focus{ outline:none; border-color:#3b82f6; box-shadow:0 0 0 4px rgba(59,130,246,.18); }
.nico-btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:10px 12px; border-radius:12px; border:1px solid #2b3750;
  background:linear-gradient(180deg,#2a3f72,var(--accent)); color:#fff; font-weight:700; letter-spacing:.2px; cursor:pointer;
  box-shadow:0 10px 26px rgba(31,111,235,.35); transition:transform .06s ease, box-shadow .12s ease;
}
.nico-btn:hover{ transform:translateY(-1px); box-shadow:0 14px 36px rgba(31,111,235,.45); }
.nico-btn-ghost{ padding:10px 12px; border-radius:12px; border:1px solid var(--border); background:#0a1220; color:#dbeafe; cursor:pointer; }
.nico-badge{ font-size:12px; color:#cfe2ff; background:#1f6feb33; border:1px solid #1f6feb66; padding:2px 8px; border-radius:999px; }

/* Tabellen */
.nico-tablewrap{ border:1px solid var(--border); border-radius:12px; overflow:auto; background:#0a1220; }
table.nico-table{ width:100%; border-collapse:separate; border-spacing:0; font-size:13px; }
.nico-table thead th{
  position:sticky; top:0; z-index:1; background:var(--table-head); color:#dbeafe; text-align:left;
  padding:10px 12px; border-bottom:1px solid var(--table-sep); white-space:nowrap; cursor:pointer;
}
.nico-table tbody td{ padding:10px 12px; border-bottom:1px solid var(--table-sep); color:#e2e8f0; white-space:nowrap; background:var(--table-row); }
.nico-table tbody tr:nth-child(even) td{ background:var(--table-row-alt); }
.nico-table tbody tr:hover td{ background:#0f1c34; }
.td-click{ color:#93c5fd; text-decoration:underline; cursor:pointer; }

/* Modale */
.nico-detail-back{ position:fixed; inset:0; background:rgba(0,0,0,.45); display:none; z-index:11000; }
.nico-detail{
  position:fixed; top:50%; left:50%; transform:translate(-50%,-50%); width:980px; max-width:96vw; height:84vh;
  background:var(--card); color:var(--text); border:1px solid var(--border); border-radius:12px; box-shadow:var(--shadow);
  display:none; z-index:11001; overflow:hidden; display:flex; flex-direction:column; backdrop-filter: blur(10px);
}
.nico-detail header{ padding:12px 16px; border-bottom:1px solid var(--border); display:flex; gap:8px; align-items:center; justify-content:space-between; }
.nico-detail .body{ padding:14px 16px; overflow:auto; }
.nico-kv{ width:100%; border-collapse:collapse; font-size:13px; }
.nico-kv th{ text-align:left; vertical-align:top; padding:8px 10px; border-bottom:1px solid var(--border); background:#0d1424; width:240px; color:#cbd5e1; }
.nico-kv td{ padding:8px 10px; border-bottom:1px solid var(--border); }

/* Grids */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.grid-3{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px; }
.grid-4{ display:grid; grid-template-columns:1fr 1fr 1fr 1fr; gap:10px; }
@media (max-width:900px){ .grid-4{ grid-template-columns:1fr 1fr; } }
@media (max-width:720px){ .grid-3,.grid-2{ grid-template-columns:1fr; } }

/* Form Fields in Detail */
.f{ display:flex; flex-direction:column; gap:6px; }
.f label{ font-size:12px; color:var(--muted); }
.f input,.f select,.f textarea{
  padding:10px 12px; border:1px solid var(--border); border-radius:12px; background:#0a1220; color:var(--text); font-size:14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
}
.f textarea{ min-height:70px; }
.f input:focus,.f select:focus,.f textarea:focus{ outline:none; border-color:#3b82f6; box-shadow:0 0 0 4px rgba(59,130,246,.18); }

/* Helpers */
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; } .mb-2{ margin-bottom:8px; } .hide{ display:none!important; }