body, html {
    height: 100%;
    margin: 0;
    font-family: 'Montserrat', Arial, sans-serif;
    width: 100vw;
    overflow: hidden;
    background: black;
}

.bg-register {
    position: relative;
    min-height: 100vh;
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: black;
    z-index: 2;
}

header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2;
    padding: 1.2rem 2rem 0 2rem;
    display: flex;
    align-items: center;
}

header h2 {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
    text-transform: uppercase;
    margin: 0;
    display: flex;
    align-items: center;
}
header h2 .material-icons {
    color: #bb86fc;
    margin-right: 8px;
    vertical-align: middle;
    font-size: 1.5rem;
}

.register-box {
    position: relative;
    z-index: 2;
    background: #000;
    border-radius: 40px;
    padding: 2.5rem 2.5rem 2rem 2.5rem;
    box-shadow: 0 4px 32px #000a;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 350px;
    max-width: 90vw;
}

.register-box h1 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.register-box form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.register-box input[type="text"],
.register-box input[type="email"],
.register-box input[type="password"] {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: none;
    border-radius: 2rem;
    font-size: 1.1rem;
    font-family: 'Montserrat', Arial, sans-serif;
    background: #fff;
    color: #222;
    outline: none;
    box-sizing: border-box;
    font-weight: 500;
}

.register-box input[type="text"]::placeholder,
.register-box input[type="email"]::placeholder,
.register-box input[type="password"]::placeholder {
    color: #222;
    opacity: 0.8;
    font-weight: 500;
}

.register-box button[type="submit"] {
    background: #e50914;
    color: #fff;
    border: none;
    border-radius: 1.2rem;
    padding: 0.7rem 2.2rem;
    font-size: 1rem;
    font-weight: 700;
    margin-top: 0.5rem;
    cursor: pointer;
    transition: background 0.2s;
    box-shadow: 0 2px 8px #0006;
}

.register-box button[type="submit"]:hover {
    background: #b0060f;
}

@media (max-width: 600px) {
    header {
        padding: 1rem;
    }
    .register-box {
        min-width: 90vw;
        padding: 1.2rem 0.5rem 1.2rem 0.5rem;
        border-radius: 20px;
    }
    .register-box h1 {
        font-size: 1.3rem;
    }
    .register-box input[type="text"],
    .register-box input[type="email"],
    .register-box input[type="password"] {
        font-size: 1rem;
        padding: 0.7rem 1rem;
    }
    .register-box button[type="submit"] {
        font-size: 0.95rem;
        padding: 0.6rem 1.2rem;
    }
}

@media (max-width: 400px) {
    .register-box {
        min-width: 98vw;
        padding: 0.5rem 0.1rem;
    }
    .register-box h1 {
        font-size: 1rem;
    }
}