body {
  background-color: #f2f4f7;
  font-family: "Helvetica Neue", Arial, sans-serif;
  padding-top: 60px;
  margin: 0;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  height: 60px;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 60px);
  padding: 20px;
}

.card {
  width: 100%;
  max-width: 400px;
  padding: 20px;
  border-radius: 16px;
  background-color: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.tab-switch {
  display: flex;
  justify-content: space-around;
  margin-bottom: 20px;
  border-bottom: 1px solid #ddd;
}

.tab-switch a {
  font-size: 16px;
  padding: 10px 0;
  color: #888;
  text-decoration: none;
  flex: 1;
  text-align: center;
  transition: all 0.2s;
}

.tab-switch a.active {
  color: #007bff;
  font-weight: bold;
  border-bottom: 3px solid #007bff;
}

.form-group {
  margin-bottom: 16px;
}

input.form-control {
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
}

.input-group {
  display: flex;
}

.input-group input {
  flex: 1;
  border-radius: 8px 0 0 8px;
}

.btn-verify {
  border-radius: 0 8px 8px 0;
  margin-left: 0;
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 14px;
  font-size: 14px;
}

.btn-primary {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border-radius: 8px;
  background-color: #007bff;
  border: none;
  transition: background 0.3s;
}

.btn-primary:hover {
  background-color: #0056b3;
}

.alternative-login {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.alternative-login button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background: #f7f7f7;
  border-radius: 8px;
  border: 1px solid #ddd;
  font-size: 14px;
  font-weight: 500;
}

.alternative-login button img {
  width: 20px;
  height: 20px;
  margin-right: 8px;
}