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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  min-height: 100vh;
}

/* Layout structure similar to React app */
.bund-layout {
  display: grid;
  grid-template-areas: "header" "main";
  grid-template-columns: 1fr;
  grid-template-rows: var(--headbar-height) 1fr;
  min-height: 100vh;
  min-width: 100%;
}

.bund-header {
  grid-area: header;
}

.bund-main {
  grid-area: main;
  padding: 20px;
  background: var(--bg-secondary-main);
  height: calc(100vh - var(--headbar-height));
}

/* Button styles */
.btn {
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  border: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: var(--primary-color);
  border: none;
  border-radius: 100px;
  color: white;
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  cursor: pointer;
}

/* Form styles */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

/* Alert styles */
.alert {
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.25rem;
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

/* Card styles */
.card {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.card-title {
  margin-top: 0;
  margin-bottom: 20px;
  color: var(--text-color);
  font-size: 1.5rem;
  border-bottom: 2px solid #f0f0f0;
  padding-bottom: 10px;
}