/* 公共预览弹窗 - 样式（手机框外壳，供 edit / qrcode / status / key_plan / form 等页面复用） */
.preview-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}
.preview-modal.show {
    display: flex;
}

.modal-box{
    display: flex;
    align-items: flex-start;
    gap: 20px;
}
.preview-modal .modal-box {
    width: auto;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
}

/* 手机框 */
.preview-phone {
    width: 340px;
    aspect-ratio: 49 / 100;
    background: #fff;
    border-radius: 36px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    border: 8px solid #f0f0f0;
    display: flex;
    flex-direction: column;
}
.preview-phone-status {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}
.preview-phone-status img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: fill;
}
.preview-phone-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
    position: relative;
    -webkit-overflow-scrolling: touch;
}

.preview-iframe-root {
    flex: 1;
    min-height: 0;
}

.preview-phone-content::-webkit-scrollbar {
    display: none;
}

/* 表单库的未保存模板在弹窗内直接渲染，预览时隐藏编辑态内容。 */
.preview-phone-content .edit-content-blocks {
    pointer-events: none;
    user-select: none;
    padding-bottom: 0;
    cursor: default;
    flex: none;
    min-height: 0;
}
.preview-phone-content .video-free-tip,
.preview-phone-content .edit-empty-tip {
    display: none !important;
}
.preview-blocks-root {
    position: relative;
    width: 100%;
    height: auto;
    min-height: 100%;
    flex-shrink: 0;
    overflow: visible;
    display: flex;
    flex-direction: column;
}

/* 本地渲染的表单/模板预览同样避开状态栏和小程序胶囊。 */
.preview-phone-content .preview-blocks-root {
    padding-top: 70px;
    box-sizing: border-box;
}
.preview-bottom-bar {
    margin-top: auto;
}
.preview-blocks-root > .preview-bottom-bar {
    flex-shrink: 0;
}
.preview-phone-content .qr-brand {
    background: transparent;
}
.preview-phone-content .qr-brand--bottom.qr-brand--dark {
    background: rgba(255, 255, 255, .12);
}
.preview-phone-content .qr-watermark--dark .qr-watermark-name,
.preview-phone-content .qr-watermark--dark .qr-watermark-tip {
    color: rgba(255, 255, 255, .78);
}
.preview-bg-layer {
    position: absolute;
    inset: 0;
    height: 100%;
    width: 100%;
    z-index: 0;
    pointer-events: none;
}
.preview-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: auto;
    -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 70%, transparent 100%);
}
.preview-title,
.preview-blocks-root > template,
.preview-blocks-root > .edit-content-blocks,
.preview-blocks-root > .page-block {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}
.preview-title {
    text-align: center;
    padding: 16px 20px;
    font-size: 20px;
    font-weight: 400;
    color: #333;
    word-break: break-word;
    line-height: 1.4;
}
.preview-title.title-dark {
    color: #fff;
}

/* iframe 中的内容始终由 preview.html 渲染。 */
.preview-iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

/* 二维码卡片（qrcode 类型实时渲染用，结构同 qrcode.html） */
.preview-qrcode-card {
    width: 220px;
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
    flex-shrink: 0;
    box-sizing: border-box;
}
.preview-qrcode-card img {
    width: 160px;
    height: 160px;
    border-radius: 8px;
    margin-bottom: 12px;
}
.preview-qrcode-tip {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
    margin-bottom: 16px;
}
.preview-template-card {
    width: 180px;
    padding: 16px;
}
.preview-template-details {
    text-align: left;
}
.preview-template-qr {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 140px;
    margin: 0 auto 14px;
}
.preview-template-qr img {
    width: 140px;
    height: 140px;
    margin: 0;
}
.preview-template-description {
    min-height: 60px;
    margin: 8px 0 14px;
    color: #888;
    font-size: 12px;
    line-height: 1.45;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    line-clamp: 5;
}
.preview-template-card .preview-modal-apply {
    margin-bottom: 10px;
}

/* 模板应用按钮（template / form 类型） */
.preview-modal-apply {
    width: 100%;
    padding: 10px 0;
    background: #266fff;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}
.preview-modal-apply:hover {
    background: #1f5fe0;
}

/* form 类型右侧卡片（模板标题+描述+操作按钮） */
.preview-form-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.preview-form-card-title {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    text-align: center;
}
.preview-form-card-desc {
    font-size: 13px;
    color: #999;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 退出预览按钮（描边样式，与实心"使用此模板"区分） */
.btn-close-preview {
    width: 100%;
    padding: 9px 0;
    background: #fff;
    color: #266fff;
    border: 1px solid #266fff;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}
.btn-close-preview:hover {
    background: #f0f7ff;
}

/* 表单模板作为整页内容展示。 */
.preview-form-page .block-form-content {
    padding: 0;
    box-shadow: none;
    border-radius: 0;
}

.preview-blocks-root .title-html {
    margin: 0;
}

.preview-blocks-root .page-block-content {
    border: 0;
    margin: 0 16px 16px;
}

.preview-blocks-root .page-block-content.block-image {
    margin-left: 0;
    margin-right: 0;
}

.preview-phone-content .block-form-content {
    pointer-events: none;
}
@media (max-width: 650px) {
    .preview-modal .modal-box { gap: 12px; }
    .preview-modal .preview-phone { width: min(260px, calc(100vw - 190px)); }
    .preview-modal .preview-qrcode-card { width: 160px; padding: 16px; }
}