:root {
  --blau: #1c5d8c;
  --blau-dunkel: #0f3a57;
  --grau: #f4f6f8;
  --rand: #dbe2e8;
  --text: #1f2937;
  --gruen: #2f8f4e;
  --rot: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--grau);
  color: var(--text);
}

header {
  background: var(--blau-dunkel);
  color: white;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 { font-size: 1.1rem; margin: 0; font-weight: 600; }

header button {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: white;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
}

main {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.card {
  background: white;
  border: 1px solid var(--rand);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.card h2 { margin-top: 0; font-size: 1rem; color: var(--blau-dunkel); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--rand); }
th { color: #667; font-weight: 600; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.offen { background: #fdecea; color: var(--rot); }
.badge.besetzt, .badge.bestaetigt { background: #eaf6ec; color: var(--gruen); }
.badge.ausgestellt { background: #eaf6ec; color: var(--gruen); }
.badge.storniert { background: #eee; color: #888; }

button.primary {
  background: var(--blau);
  color: white;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}
button.primary:hover { background: var(--blau-dunkel); }

form label { display: block; margin-bottom: 0.9rem; font-size: 0.85rem; color: #445; }
form input, form select, form textarea {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.3rem;
  border: 1px solid var(--rand);
  border-radius: 6px;
  font-size: 0.9rem;
}

.fehler { color: var(--rot); font-size: 0.85rem; margin-top: 0.6rem; }
.hinweis { color: #667; font-size: 0.85rem; }

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-box {
  background: white;
  border: 1px solid var(--rand);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 360px;
}
.login-box h1 { font-size: 1.15rem; text-align: center; color: var(--blau-dunkel); }