:root {
  --primary-color: #f6821f;
  --secondary-color: #faad3f;
  --dark-color: #404040;
  --light-color: #f5f5f5;
  --success-color: #28a745;
  --error-color: #dc3545;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  background-color: #f4f4f4;
  color: var(--dark-color);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 500px;
  padding: 0 20px;
}

.auth-container {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.tabs {
  display: flex;
  background-color: var(--light-color);
}

.tab {
  flex: 1;
  padding: 15px;
  border: none;
  background-color: transparent;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: background-color 0.3s;
}

.tab.active {
  background-color: #fff;
  color: var(--primary-color);
  border-bottom: 3px solid var(--primary-color);
}

.form-container {
  padding: 30px;
  display: none;
}

.form-container.active {
  display: block;
}

h2 {
  margin-bottom: 20px;
  color: var(--primary-color);
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.btn {
  width: 100%;
  padding: 12px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: var(--secondary-color);
}

.message {
  margin-top: 15px;
  padding: 10px;
  border-radius: 4px;
  text-align: center;
  display: none;
}

.message.success {
  display: block;
  background-color: rgba(40, 167, 69, 0.1);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

.message.error {
  display: block;
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--error-color);
  border: 1px solid var(--error-color);
}

/* Welcome page styles */
.welcome-container {
  text-align: center;
  padding: 40px 20px;
}

.welcome-container h1 {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.welcome-container p {
  margin-bottom: 30px;
  font-size: 18px;
}

.logout-btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--light-color);
  color: var(--dark-color);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition: background-color 0.3s;
}

.logout-btn:hover {
  background-color: #e0e0e0;
}