body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #05080f, #0a1225);
    color: #fff;
}

.container {
    max-width: 900px;
    margin: 60px auto;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 40px;
    color: #3a8dfd;
}

.timeline {
    position: relative;
    margin-left: 30px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: rgba(255,255,255,0.15);
}

.step {
    position: relative;
    margin-bottom: 40px;
    padding-left: 50px;
}

.circle {
    position: absolute;
    left: 0;
    top: 5px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #444;
    border: 3px solid #666;
}

.done .circle {
    background: #2ecc71;
    border-color: #2ecc71;
}

.active .circle {
    background: #3a8dfd;
    border-color: #3a8dfd;
    box-shadow: 0 0 15px rgba(58,141,253,0.8);
}

.future {
    opacity: 0.4;
}

.title {
    font-size: 18px;
    font-weight: 600;
}

.desc {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 5px;
}

.footer {
    text-align: center;
    margin-top: 60px;
    font-size: 13px;
    opacity: 0.6;
}

.progress-wrapper {
    margin-bottom: 40px;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    overflow: hidden;
}

#progressFill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #3a8dfd, #6aa9ff);
    transition: width 0.5s ease;
}

#progressText {
    margin-bottom: 8px;
    font-weight: 600;
}

/* ===========================
   Mobile Optimierung
   =========================== */
@media (max-width: 768px) {

    .container {
        margin: 30px 10px;
        padding: 15px;
    }

    h1 {
        font-size: 22px;
        margin-bottom: 30px;
    }

    .timeline {
        margin-left: 15px;
    }

    .timeline::before {
        left: 10px;
    }

    .step {
        padding-left: 40px;
        margin-bottom: 30px;
    }

    .circle {
        width: 22px;
        height: 22px;
        left: -2px;
    }

    .title {
        font-size: 16px;
    }

    .desc {
        font-size: 13px;
    }

    #progressText {
        font-size: 14px;
    }

    .progress-bar {
        height: 10px;
    }

    .footer {
        font-size: 12px;
        margin-top: 40px;
    }

    /* Admin Panel */
    select,
    button,
    input {
        width: 100%;
        padding: 12px;
        font-size: 16px;
        margin-top: 5px;
    }
}