/* ==================== 图片预览模态框样式 ==================== */
.image-preview-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    align-items: center;
    justify-content: center;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.preview-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

/* 工具栏 */
.preview-toolbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.preview-toolbar-left,
.preview-toolbar-center,
.preview-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-toolbar-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.preview-scale-text {
    color: white;
    font-size: 14px;
    font-weight: 500;
    min-width: 50px;
}

.preview-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
}

.preview-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.preview-btn:active {
    transform: translateY(0);
}

.preview-btn i {
    font-size: 16px;
}

.preview-close {
    background: rgba(220, 53, 69, 0.8);
    border-color: rgba(220, 53, 69, 0.9);
}

.preview-close:hover {
    background: rgba(220, 53, 69, 1);
}

.preview-divider {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 4px;
}

/* 图片容器 */
.preview-image-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 80px 20px 20px;
    user-select: none;
}

.preview-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    cursor: grab;
    transition: transform 0.3s ease;
    user-select: none;
    -webkit-user-drag: none;
}

.preview-image:active {
    cursor: grabbing;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .preview-toolbar {
        height: 50px;
        padding: 0 10px;
    }

    .preview-toolbar-left {
        display: none;
    }

    .preview-toolbar-center {
        position: static;
        transform: none;
        gap: 4px;
    }

    .preview-btn {
        padding: 6px 10px;
        font-size: 12px;
    }

    .preview-btn i {
        font-size: 14px;
    }

    .preview-divider {
        display: none;
    }

    .preview-image-wrapper {
        padding: 60px 10px 10px;
    }
}

/* 动画效果 */
@keyframes previewFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.image-preview-modal {
    animation: previewFadeIn 0.3s ease;
}