.image-window-container {
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-primary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    user-select: none;

    .title-bar {
        height: 40px;
        min-height: 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding-right: 140px; // 为原生窗口控件留出空间

        .window-drag-area {
            flex: 1;
            height: 100%;
            -webkit-app-region: drag;
        }

        .title-bar-controls {
            display: flex;
            align-items: center;
            gap: 8px;
            -webkit-app-region: no-drag;
            margin-right: 16px;

            button {
                background: transparent;
                border: none;
                color: var(--text-secondary);
                cursor: pointer;
                padding: 6px;
                border-radius: 4px;
                display: flex;
                align-items: center;
                justify-content: center;
                transition: all 0.2s;

                &:hover {
                    background: var(--bg-tertiary);
                    color: var(--text-primary);
                }
            }

            .scale-text {
                min-width: 50px;
                text-align: center;
                color: var(--text-secondary);
                font-size: 12px;
                font-variant-numeric: tabular-nums;
            }

            .divider {
                width: 1px;
                height: 14px;
                background: var(--border-color);
                margin: 0 4px;
            }
        }
    }

    .image-viewport {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        position: relative;
        cursor: grab;

        &:active {
            cursor: grabbing;
        }

        img {
            max-width: none;
            max-height: none;
            object-fit: contain;
            will-change: transform;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            pointer-events: auto;
        }
    }
}

.image-window-empty {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background-color: var(--bg-primary);
}