/* Popup Container - Standardmäßig ausgeblendet */
.popup-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(4, 6, 56, 0.88);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

/* Popup Inhalt */
.popup-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    margin: auto;
    background: #76D6FF;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Responsive Bild */
#popup-image {
    display: block;
    max-width: 100%;
    max-height: 80vh;
    height: auto;
    width: auto;
    margin: 0 auto;
    border-radius: 5px;
}

/* Schließen-Button */
.close-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    background-color: #12448B;
    color: white;
    font-size: 36px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 3px solid white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.close-btn:hover {
    background-color: #0d356b;
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

.close-btn:active {
    transform: scale(0.95);
}

/* Für mobile Geräte */
@media (max-width: 768px) {
    .popup-content {
        max-width: 95%;
        padding: 15px;
    }
    
    .close-btn {
        width: 45px;
        height: 45px;
        font-size: 32px;
        top: -12px;
        right: -12px;
        border: 2px solid white;
    }
}

@media (max-width: 480px) {
    .close-btn {
        width: 40px;
        height: 40px;
        font-size: 28px;
        top: -10px;
        right: -10px;
    }
}