body {
    font-family: 'Poppins', sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}
.form-box {
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 100%;
}
.form-box.hidden {
    display: none;
}
.form-box h1 {
    color: #2E5C41;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}
.form-box p {
    color: #6c757d;
    margin-bottom: 2rem;
}
input, select, button {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
}
input:focus, select:focus {
    outline: none;
    border-color: #2E5C41;
}
button {
    background-color: #2E5C41;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    border: none;
}
button:hover {
    background-color: #254d36;
}
.error-message {
    color: #dc3545;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    min-height: 1.2em;
}
.toggle-link {
    margin-top: 1rem;
    font-size: 0.9rem;
}
.toggle-link a {
    color: #2E5C41;
    font-weight: 600;
    text-decoration: none;
}