/* Haupt-Header */
.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background-color: #003366; /* Dunkelblau */
  color: white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Linke Seite: Logo + Titel */
.header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-logo {
  height: 40px;
  width: auto;
}

.header-title {
  color: white;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
  gap: 20px;
}

/* Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
}

/* Navigation Links */
.nav-link {
  color: white;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  font-weight: 600;
  font-size: 1rem;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.nav-link:hover,
.nav-link:focus {
  background-color: #014f86; /* Helleres Blau beim Hover */
  outline: none;
}

/* Dropdown Container */
.nav-dropdown {
  position: relative;
}

/* Pfeil bei Dropdown */
.dropdown-toggle::after {
  content: " ▼";
  font-size: 0.7rem;
}

/* Dropdown Menü */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #004080;
  border-radius: 4px;
  min-width: 150px;
  z-index: 100;
  padding: 0.5rem 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* Dropdown Items */
.dropdown-menu .dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  color: white;
  text-decoration: none;
  cursor: pointer;
}

.dropdown-menu .dropdown-item:hover {
  background-color: #0059b3;
}

/* Dropdown öffnen bei Hover */
.nav-dropdown:hover .dropdown-menu {
  display: block;
}

/* Logout Link */
.logout-link {
  color: white;
  text-decoration: none;
  font-weight: bold;
  cursor: pointer;
  padding: 8px 12px;
  border: 1.5px solid white;
  border-radius: 4px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.logout-link:hover,
.logout-link:focus {
  background-color: white;
  color: #003366;
  outline: none;
}










/* Overlay */
.browser-alert-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  font-family: "Segoe UI", Roboto, sans-serif;
}

/* Modal Box */
.browser-alert-box {
  background-color: #ffffff;
  padding: 2.5rem;
  border-radius: 1.2rem;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  text-align: center;
  animation: fadeIn 0.3s ease-out;
}

/* Icon */
.browser-alert-icon {
  color: #e53935;
  margin-bottom: 1.2rem;
}

/* Title */
.browser-alert-title {
  font-size: 1.6rem;
  font-weight: 600;
  color: #222;
  margin-bottom: 0.6rem;
}

/* Text */
.browser-alert-text {
  font-size: 1rem;
  color: #555;
  margin-bottom: 1.8rem;
}

/* Button */
.browser-alert-button {
  background: linear-gradient(135deg, #e53935, #d32f2f);
  color: #fff;
  padding: 0.7rem 1.6rem;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: 0.6rem;
  cursor: pointer;
  transition: background 0.25s ease;
}

.browser-alert-button:hover {
  background: linear-gradient(135deg, #c62828, #b71c1c);
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}