:root{
  --bg: #ffffff;
  --panel: #f7f8fa;
  --muted: #6b7280;
  --text: #111827;
  --accent: #0b84ff; /* blau-akzent */
  --radius: 12px;
  --shadow: 0 8px 30px rgba(16,24,40,0.06);
  --card-padding: 20px;
  font-family: 'Roboto', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
.centered{max-width:920px;margin:6vh auto;padding:32px;display:flex;flex-direction:column;gap:22px;align-items:center}
.logo-block{text-align:center}
.logo{font-weight:700;letter-spacing:4px;font-size:28px}
.tag{margin:6px 0 0;color:var(--muted)}

.card{background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);padding:var(--card-padding);width:100%;max-width:520px}
.login-card h1{margin:0 0 14px 0;font-size:20px}
label{display:block;font-size:13px;color:var(--muted);margin-top:8px}
input[type="text"],input[type="password"],input[type="email"],select{
  width:100%;padding:10px 12px;margin-top:6px;border-radius:10px;border:1px solid rgba(16,24,40,0.06);background:#fff;font-size:15px;color:var(--text)
}
.actions{display:flex;justify-content:flex-end;margin-top:16px}
.btn{padding:10px 14px;border-radius:10px;border:0;cursor:pointer;font-weight:600}
.btn.primary{background:linear-gradient(180deg,var(--accent),#006fe6);color:#fff;box-shadow:0 6px 18px rgba(11,132,255,0.12)}
.small{font-size:13px}
.muted{color:var(--muted)}

.dashboard-header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-top:18px}
.tile{background:#fff;border-radius:12px;padding:18px;box-shadow:0 6px 18px rgba(16,24,40,0.04);display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.tile .icon{font-size:22px;background:rgba(11,132,255,0.06);padding:10px;border-radius:8px}
.logout{background:transparent;border:1px solid rgba(16,24,40,0.06);padding:8px 12px;border-radius:10px}
.admin-badge{font-size:13px;color:#fff;background:#111827;padding:6px 10px;border-radius:999px}

footer.muted{margin-top:10px}

@media (max-width:640px){
  .centered{padding:18px}
  .card{padding:16px}
}