html, body {
    height: 100%;
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background-color: #f5f7fa;
}

.auth-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 400px;
    margin: 5vh auto;
    padding: 2rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.auth-container h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: #333;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.auth-form label {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #555;
}

.auth-form input {
    padding: 0.6rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.auth-form input:focus {
    border-color: #0077cc;
    outline: none;
}

.auth-form button {
    padding: 0.75rem;
    background-color: #0077cc;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.auth-form button:hover {
    background-color: #005fa3;
}

.auth-link {
    margin: 0;
    margin-block: 5px;
    text-align: center;
    font-size: 0.95rem;
}

.auth-link a {
    color: #0077cc;
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

.error-message, .success-message {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.95rem;
}

.error-message {
    background-color: #ffe5e5;
    border: 1px solid #ff9e9e;
    color: #c00;
}

.success-message {
    background-color: #e6ffea;
    border: 1px solid #9cd8a1;
    color: #217821;
}

.auth-form div {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.auth-form label {
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: #333;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    padding: 0.6rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    width: 100%;
    box-sizing: border-box;
}

.info-message {
    margin-bottom: 1.2rem;
    padding: 0.75rem;
    background-color: #eef6ff;
    border: 1px solid #a3c9f1;
    color: #1a3e6b;
    border-radius: 6px;
    font-size: 0.95rem;
}