*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, sans-serif;
  font-size: 15px;
  background: #f0f2f5;
  color: #1a1a1a;
}

/* ---- Login ---- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-box {
  background: #fff;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.login-box h1 { font-size: 1.1rem; font-weight: 600; color: #555; margin-bottom: .25rem; }
.login-box h2 { font-size: 1.4rem; margin-bottom: 1.5rem; }
.login-box label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: .3rem; margin-top: 1rem; }
.login-box input[type="text"],
.login-box input[type="password"] {
  width: 100%; padding: .55rem .75rem; border: 1px solid #ccc; border-radius: 5px; font-size: 1rem;
}
.login-box input:focus { outline: none; border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,.15); }
.login-box button {
  margin-top: 1.5rem; width: 100%; padding: .65rem; background: #2563eb; color: #fff;
  border: none; border-radius: 5px; font-size: 1rem; font-weight: 600; cursor: pointer;
}
.login-box button:hover { background: #1d4ed8; }

.fehler {
  background: #fef2f2; border: 1px solid #fca5a5; border-radius: 5px;
  padding: .6rem .75rem; color: #b91c1c; font-size: .9rem; margin-bottom: 1rem;
}
.hinweis {
  background: #eff6ff; border: 1px solid #93c5fd; border-radius: 5px;
  padding: .6rem .75rem; color: #1d4ed8; font-size: .9rem; margin-bottom: 1rem;
}

a { color: #2563eb; }

/* ---- Navigation ---- */
.topnav {
  display: flex; align-items: center; gap: 1.25rem;
  background: #1e3a5f; color: #fff; padding: .6rem 1.5rem; font-size: .9rem;
}
.topnav-title { font-weight: 700; font-size: 1rem; margin-right: .5rem; }
.topnav a { color: #93c5fd; text-decoration: none; }
.topnav a:hover, .topnav a.aktiv { color: #fff; }
.topnav-user { margin-left: auto; color: #cbd5e1; }

/* ---- Layout ---- */
.container { max-width: 1400px; margin: 2rem auto; padding: 0 1.5rem; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.page-header h1 { font-size: 1.4rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-block; padding: .5rem 1rem; background: #2563eb; color: #fff;
  border: none; border-radius: 5px; font-size: .9rem; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { background: #1d4ed8; color: #fff; }
.btn-secondary { background: #64748b; }
.btn-secondary:hover { background: #475569; }
.btn-danger { background: #dc2626; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: .3rem .65rem; font-size: .82rem; }

/* ---- Tabelle ---- */
.datatable { width: 100%; border-collapse: collapse; font-size: .9rem; }
.datatable th { text-align: left; padding: .6rem .75rem; background: #f1f5f9; border-bottom: 2px solid #e2e8f0; font-weight: 600; }
.datatable td { padding: .6rem .75rem; border-bottom: 1px solid #e2e8f0; vertical-align: middle; }
.datatable tr:hover td { background: #f8fafc; }
.inline-input { padding: .3rem .5rem; border: 1px solid #ccc; border-radius: 4px; font-size: .85rem; width: 160px; }

/* ---- Badges ---- */
.badge { display: inline-block; padding: .2rem .55rem; border-radius: 99px; font-size: .78rem; font-weight: 600; }
.badge-ok { background: #dcfce7; color: #166534; }
.badge-warn { background: #fef9c3; color: #854d0e; }
.badge-inaktiv { background: #f1f5f9; color: #64748b; }

/* ---- Formular ---- */
.formular { max-width: 640px; }
.formfeld { margin-bottom: 1.25rem; }
.formfeld label { display: block; font-weight: 500; margin-bottom: .3rem; font-size: .9rem; }
.formfeld input[type="text"],
.formfeld input[type="email"],
.formfeld input[type="password"],
.formfeld input[type="file"],
.formfeld select,
.formfeld textarea {
  width: 100%; padding: .55rem .75rem; border: 1px solid #ccc; border-radius: 5px;
  font-size: 1rem; font-family: inherit;
}
.formfeld textarea { resize: vertical; }
.formfeld input:focus, .formfeld select:focus, .formfeld textarea:focus {
  outline: none; border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.formfeld small { display: block; color: #64748b; font-size: .8rem; margin-top: .25rem; }
.pflicht { color: #dc2626; }

/* ---- Filter ---- */
.filter-leiste { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.filter-leiste select { padding: .4rem .6rem; border: 1px solid #ccc; border-radius: 5px; font-size: .9rem; background: #fff; }

/* ---- Fehlerliste (CSV-Import) ---- */
.fehlerliste { list-style: none; }
.fehlerliste li {
  background: #fef2f2; border: 1px solid #fca5a5; border-radius: 5px;
  padding: .5rem .75rem; color: #b91c1c; font-size: .88rem; margin-bottom: .5rem;
}