.mw-win {
    position: fixed;
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    background: var(--mud-palette-surface);
    color: var(--mud-palette-text-primary);
    overflow: hidden;
    min-width: 200px;
    min-height: 120px;
}
.mw-win--active {
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.35);
}
.mw-win-titlebar {
    display: flex;
    align-items: center;
    padding: 6px 8px 6px 12px;
    background: var(--mud-palette-primary);
    color: var(--mud-palette-primary-text);
    cursor: grab;
    user-select: none;
    flex-shrink: 0;
}
.mw-win-titlebar:active { cursor: grabbing; }
.mw-win-title {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mw-win-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 2px;
    display: flex;
    border-radius: 4px;
}
.mw-win-close:hover { background: rgba(255, 255, 255, 0.2); }
.mw-win-body {
    flex: 1;
    overflow: auto;
    padding: 12px;
}