body{
    flex-direction: column;
}
.container {
    min-width: 500px;
    min-height: 400px;
    width: 80vw;
    height: 80vh;
    border: 2px solid #3a6ea5;
    border-radius: 8px;
    background: #bcd2ee;
    box-shadow: 0 4px 16px #0002;
    overflow: hidden;
    position: relative;
    font-family: 'Segoe UI', Arial, sans-serif;
}
.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: 1px solid #ccc;
    padding: 4px 0;
    margin: 0;
    list-style: none;
    min-width: 120px;
    z-index: 5;
}
.menubar {
    height: 32px;
    background: linear-gradient(to bottom, #e0e6f8 0%, #bcd2ee 100%);
    display: flex;
    align-items: center;
    border-bottom: 1px solid #8fa9c9;
    padding-left: 8px;
    user-select: none;
}
.menuitem {
    margin-right: 18px;
    padding: 4px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 15px;
    color: #2a3a5a;
}
.menuitem:hover {
    background: #e6f0ff;
}
.desktop {
    position: relative;
    width: 100%;
    height: calc(100% - 32px);
    background: linear-gradient(135deg, #eaf6ff 0%, #bcd2ee 100%);
    overflow: hidden;
}
.icon {
    width: 64px;
    text-align: center;
    position: absolute;
    cursor: pointer;
    user-select: none;
    transition: box-shadow 0.1s;
    z-index: 1;
}
.icon.dragging {
    z-index: 10;
    box-shadow: 0 4px 16px #0004;
}
.icon-img {
    font-size: 36px;
    margin-bottom: 4px;
}
.icon-label {
    font-size: 13px;
    color: #2a3a5a;
    background: #ffffffb0;
    border-radius: 3px;
    padding: 1px 2px;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}