/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Body */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #4c83f9, #a389f4);
  color: #fff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

/* Container */
.container {
  background: rgba(0, 0, 0, 0.4);
  border-radius: 15px;
  padding: 2.5rem 3rem;
  max-width: 550px;
  width: 100%;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  text-align: center;
}

/* Überschrift */
h1, h3 {
  margin-bottom: 1rem;
  font-weight: 700;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.7);
}

/* Buttons */
.btn, .status-btn, .logout-btn {
  cursor: pointer;
  font-weight: 700;
  border: none;
  padding: 0.75rem 1.8rem;
  border-radius: 50px;
  margin: 0.4rem 0.7rem;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  font-size: 1.1rem;
  user-select: none;
  text-decoration: none;
  display: inline-block;
}

/* Haupt-Button */
.btn {
  background: #5e81f4;
  color: white;
}

.btn:hover, .status-btn:hover, .logout-btn:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  transform: translateY(-3px);
}

/* Status Buttons */
.status-online {
  background-color: #28a745;
  color: #fff;
}

.status-online:disabled {
  background-color: #1e7e34;
  cursor: default;
  opacity: 0.8;
}

.status-offline {
  background-color: #dc3545;
  color: #fff;
}

.status-offline:disabled {
  background-color: #a71d2a;
  cursor: default;
  opacity: 0.8;
}

/* Logout */
.logout-btn {
  background-color: #ff6f61;
  color: white;
  width: 100%;
  margin-top: 1.5rem;
  font-size: 1.1rem;
}

/* Liste */
#fahrerListe ul {
  list-style: none;
  padding-left: 0;
  max-height: 150px;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  margin: 1rem 0;
  background: rgba(255, 255, 255, 0.1);
}

#fahrerListe ul li {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  font-weight: 600;
}

#fahrerListe ul li:last-child {
  border-bottom: none;
}

/* Karte */
#map {
  margin-top: 20px;
  height: 400px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.5);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

/* Standort Text */
#standort {
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  display: block;
}