body {
    background: #1a233a;
    color: #eee;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.registro-container {
    background: #222b45e6;
    padding: 32px 22px 22px 22px;
    border-radius: 18px;
    max-width: 370px;
    width: 98vw;
    box-shadow: 0 6px 32px rgba(0,0,0,0.16);
    margin: 32px auto;
}

h2 {
    color: #5be9b9;
    font-size: 1.5rem;
    margin-bottom: 22px;
    text-align: center;
    font-weight: 600;
}

form label {
    display: block;
    font-size: 1.06rem;
    margin-bottom: 4px;
    color: #5be9b9;
    font-weight: 500;
}
form input[type="text"],
form input[type="email"],
form input[type="password"] {
    width: 100%;
    padding: 12px 10px;
    margin-bottom: 16px;
    border: none;
    border-radius: 7px;
    background: #181f38;
    color: #fff;
    font-size: 1rem;
    transition: background 0.2s;
}

form input:focus {
    background: #2d375d;
    outline: none;
}

button[type="submit"] {
    background: #5be9b9;
    color: #1a233a;
    border: none;
    border-radius: 7px;
    width: 100%;
    padding: 13px 0;
    font-size: 1.09rem;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 10px;
    transition: background 0.2s, color 0.2s;
    box-shadow: 0 1px 8px rgba(91,233,185,0.10);
}

button[type="submit"]:hover {
    background: #45c3a5;
    color: #fff;
}

a {
    color: #5be9b9;
    font-size: 0.98rem;
    text-decoration: underline;
    display: inline-block;
    margin-top: 6px;
}

p[style*="color:red"] {
    margin: 10px 0 0 0;
    color: #ff5757 !important;
    text-align: center;
    font-size: 1rem;
}

@media (max-width: 480px) {
    .registro-container {
        padding: 18px 6px 14px 6px;
        max-width: 98vw;
    }
    h2 {
        font-size: 1.2rem;
    }
    form input, button[type="submit"] {
        font-size: 0.98rem;
        padding: 10px 0;
    }
}