body, html {
    margin: 0; padding: 0; height: 100%;
    font-family: Tahoma, sans-serif;
    overflow: hidden; color: #fff;
}

#bg-video {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover; z-index: 0;
}

.overlay {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    backdrop-filter: blur(8px);
    background: rgba(0,0,0,0.4);
    z-index: 1;
}

.login-panel {
    position:absolute;
    top:50%; left:50%;
    transform:translate(-50%,-50%);
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(6px);
    padding: 30px 40px;
    border-radius: 15px;
    text-align: center;
    color: #fff; z-index: 2;
}

/* ROTER ERROR-BALKEN */
#errorBar {
    position: fixed;
    top: 20px;
    left: -350px;
    background: #e53935;
    padding: 12px 24px;
    border-radius: 6px;
    color: white;
    font-size: 0.95em;
    z-index: 999;
    transition: all 0.4s ease;
}

#errorBar.show {
    left: 20px;
}

.login-panel input {
    width:100%; padding:10px; margin:8px 0;
    border:none; border-radius:8px;
}

.login-panel button {
    width:100%; padding:10px; margin-top:10px;
    border:none; border-radius:8px;
    background-color:#2196F3; color:white;
    cursor:pointer; font-size:1em;
}

.login-title { font-size:2em; margin-bottom:10px; }