.easter-egg-popup {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
    background: #c0c0c0;
    border-top: 3px solid #dfdfdf;
    border-left: 3px solid #dfdfdf;
    border-right: 3px solid #808080;
    border-bottom: 3px solid #808080;
    outline: 1px solid #000;
    font-family: Tahoma, "MS Sans Serif", "Segoe UI", Verdana, Arial, sans-serif;
    user-select: none;
    cursor: default;
}

.easter-egg-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    background: #000080;
    color: #ffffff;
    padding: 3px 4px 3px 8px;
}

.easter-egg-title {
    font-family: Impact, "Arial Black", "MS Sans Serif", Tahoma, sans-serif;
    font-size: clamp(16px, 4vw, 26px);
    font-weight: 900;
    letter-spacing: 1px;
    line-height: 1.15;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.easter-egg-close {
    flex: none;
    width: 24px;
    height: 24px;
    padding: 0;
    background: #c0c0c0;
    color: #000000;
    border-top: 2px solid #ffffff;
    border-left: 2px solid #ffffff;
    border-right: 2px solid #000000;
    border-bottom: 2px solid #000000;
    font-family: Tahoma, "MS Sans Serif", Verdana, Arial, sans-serif;
    font-size: 14px;
    font-weight: 900;
    line-height: 1;
    text-align: center;
    cursor: pointer;
}

.easter-egg-close:active {
    border-top: 2px solid #000000;
    border-left: 2px solid #000000;
    border-right: 2px solid #ffffff;
    border-bottom: 2px solid #ffffff;
}

.easter-egg-body {
    margin: 3px;
    background: #c0c0c0;
    border-top: 2px solid #808080;
    border-left: 2px solid #808080;
    border-right: 2px solid #dfdfdf;
    border-bottom: 2px solid #dfdfdf;
    padding: 6px;
}

.easter-egg-image {
    display: block;
    width: 450px;
    height: 450px;
    object-fit: cover;
}

@media (max-width: 768px) {
    .easter-egg-image {
        width: min(450px, calc(100vw - 48px));
        height: min(450px, calc(100vh - 130px));
    }
}