* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.form-container, .welcome-container {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 25px;
    color: #333;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus {
    border-color: #4c84ff;
    outline: none;
}

.btn {
    width: 100%;
    padding: 12px;
    background-color: #4c84ff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #3a70e0;
}

.switch-form {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: #666;
}

.switch-form a {
    color: #4c84ff;
    text-decoration: none;
}

.switch-form a:hover {
    text-decoration: underline;
}

.message {
    margin-top: 20px;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
}

.error {
    background-color: #ffe0e0;
    color: #d32f2f;
}

.success {
    background-color: #e0ffe0;
    color: #388e3c;
}

.welcome-container {
    text-align: center;
}

.welcome-container p {
    margin: 15px 0;
    font-size: 18px;
    color: #555;
}

#logout-btn {
    margin-top: 20px;
    max-width: 200px;
}