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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f4f4f4;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

.login-title {
    font-size: 2.2rem;
    margin-top: 80px;
    color: #222;
}

.login {
    margin-top: 50px;
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 90%;
    max-width: 400px;
}

form {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 1rem;
}

.input {
    height: 45px;
    padding: 0 15px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    transition: border-color 0.3s ease;
    background-color: #fff;
}

.input:focus {
    border-color: #1a73e8;
    outline: none;
}

.submit {
    height: 48px;
    background: linear-gradient(145deg, #1a73e8, #0c59c4);
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit:hover {
    background: linear-gradient(145deg, #0c59c4, #1a73e8);
}

.error-message {
    color: red;
    font-size: 0.9rem;
    text-align: center;
    min-height: 1rem;
}

.return-button {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 999px;
    background-color: rgba(0, 0, 0, 0.06);
    color: #1a1a1a;
    font-weight: 500;
    font-size: 15px;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.return-button:hover {
    background-color: rgba(0, 0, 0, 0.12);
    color: #000;
}

@media (max-width: 768px) {
    .login {
        width: 90%;
        padding: 1.5rem;
    }

    .input,
    .submit {
        font-size: 15px;
    }

    .return-button {
        font-size: 14px;
        padding: 8px 14px;
    }
}