body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f3f4f6;
  color: #333;
}

.main-body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.login-container, .linktree-container {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
}

.hidden {
  display: none;
}

.title, .welcome-title {
  font-size: 24px;
  font-weight: bold;
  color: #004aad; /* Blue */
  text-align: center;
  margin-bottom: 20px;
}

.form {
  display: flex;
  flex-direction: column;
}

.form label {
  margin-top: 10px;
  font-weight: 600;
}

.form input {
  padding: 8px;
  margin-top: 4px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.form button {
  margin-top: 20px;
  padding: 10px;
  background-color: #e63946; /* Red */
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

.form button:hover {
  background-color: #d62828;
}

.error-msg {
  margin-top: 10px;
  color: red;
  font-size: 14px;
  display: none;
}

.link-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

.link-list a {
  background-color: #ff9f1c; /* Orange */
  color: white;
  padding: 12px;
  text-align: center;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}

.link-list a:hover {
  background-color: #ff7b00;
}

.logout-btn {
  margin-top: 30px;
  padding: 10px;
  background-color: #2a9d8f; /* Green */
  color: white;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.logout-btn:hover {
  background-color: #21867a;
}