* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui;
    background: #fff;
}

.login-page {
    margin: 0;

    /* besser als 100vh auf Mobile */
    min-height: 100dvh;

    display: flex;
    justify-content: center;
    align-items: center;

    background: #f5f5f5;

    padding: 16px;

    overflow: hidden; /* verhindert unnötiges Scrollen */
}

/* RESPONSIVE BOX */
.login-box {
    width: 100%;
    max-width: 360px;   /* statt fix 320px */
    padding: 25px;
    text-align: center;
    background: #029de4;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,.15);
}

/* Logo skaliert sauber */
.login-box img {
    max-width: 100%;
    height: auto;
    margin-bottom: 10px;
}

/* Titel */
.login-box h2 {
    margin-top: 0;
    color: #fff;
}

/* Inputs & Button */
.login-box input,
.login-box button {
    width: 100%;
    height: 44px;
    margin-top: 10px;
    border-radius: 10px;
    border: none;
    padding: 0 12px;
    font-size: 16px;
}

/* Button */
.login-box button {
    background-color: #00008b;
    color: #fff;
    cursor: pointer;
}

/* Mobile Feinschliff */
@media (max-width: 400px) {
    .login-box {
        padding: 18px;
        border-radius: 8px;
    }
}