:root {
  --blau: #2D3C4B;
  --tuerkis: #0E9AA7;
  --amber: #E8A020;
  --bg: #F4F5F7;
  --card: #ffffff;
  --border: #E3E6EA;
  --text: #1F2937;
  --muted: #6B7280;
  --green-bg: #E3F5EA; --green: #1B7A43;
  --yellow-bg: #FCEFD8; --yellow: #8A5A0A;
  --red-bg: #FBE4E4; --red: #B3261E;
  --gray-bg: #EEF0F2; --gray: #5B6572;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--tuerkis); text-decoration: none; }
a:hover { text-decoration: underline; }
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 220px; flex-shrink: 0; background: var(--blau); color: #fff; padding: 24px 0; }
.sidebar .brand { padding: 0 20px 24px; font-weight: 700; font-size: 16px; }
.sidebar nav a { display: block; color: #C9D3DC; padding: 10px 20px; font-size: 14px; border-left: 3px solid transparent; }
.sidebar nav a.active, .sidebar nav a:hover { color: #fff; background: rgba(255,255,255,.08); border-left-color: var(--amber); text-decoration: none; }
.main { flex-grow: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { height: 60px; background: #fff; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
.content { padding: 24px; flex-grow: 1; }
.card { background: var(--card); border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.08); padding: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.btn { display: inline-flex; align-items: center; gap: 6px; background: var(--amber); color: var(--blau); font-weight: 700; font-size: 14px; border: none; border-radius: 8px; padding: 10px 16px; cursor: pointer; }
.btn.secondary { background: #fff; color: var(--blau); border: 1px solid #D3D8DE; font-weight: 600; }
.btn.danger { background: #fff; color: var(--red); border: 1px solid #F1B9B6; font-weight: 600; }
label { font-size: 13px; font-weight: 600; color: #374151; display: block; margin-bottom: 6px; }
input, select, textarea { font-family: inherit; font-size: 14px; padding: 9px 12px; border: 1px solid #D3D8DE; border-radius: 8px; width: 100%; }
.field { margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--border); background: #F9FAFB; }
td { padding: 12px 14px; border-bottom: 1px solid #EEF0F2; }
.pill { font-size: 12px; font-weight: 600; border-radius: 999px; padding: 3px 10px; display: inline-block; }
.pill.green { background: var(--green-bg); color: var(--green); }
.pill.yellow { background: var(--yellow-bg); color: var(--yellow); }
.pill.red { background: var(--red-bg); color: var(--red); }
.pill.gray { background: var(--gray-bg); color: var(--gray); }
.alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert.error { background: var(--red-bg); color: var(--red); }
.alert.success { background: var(--green-bg); color: var(--green); }
.auth-shell { display: flex; min-height: 100vh; }
.auth-brand { flex: 1; background: var(--blau); color: #fff; padding: 64px; display: flex; flex-direction: column; justify-content: space-between; }
.auth-form { flex: 1; display: flex; align-items: center; justify-content: center; background: #fff; }
.auth-form form { width: 360px; }