body { background: #181818; color: #fff; min-height: 100vh; }
h2 { font-family: 'Rock Salt', cursive, Arial, sans-serif; letter-spacing: 2px; color: #ff1744; }
.login-container {
    max-width: 420px;
    margin: 8vh auto 0 auto;
    background: #222;
    padding: 2.2rem 2.2rem 1.5rem 2.2rem;
    border-radius: 16px;
    box-shadow: 0 0 24px #111;
}
.form-control, .btn {
    border-radius: 8px;
    font-size: 1.15rem;
}
.btn-rock {
    background: #ff1744;
    color: #fff;
    border: none;
    font-size: 1.15rem;
    padding: 0.7rem 0;
}
.btn-rock:hover {
    background: #d50032;
}
a, a:hover { color: #ff1744; }
@media (max-width: 600px) {
    .login-container {
        max-width: 98vw;
        margin: 4vh auto 0 auto;
        padding: 1.2rem 0.7rem 1.2rem 0.7rem;
    }
    h2 { font-size: 1.3rem; }
    .form-control, .btn { font-size: 1.05rem; }
    .btn-rock { font-size: 1.05rem; }
}