/**
 * Open Graph生成器样式
 */

.og-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* 区块标题 */
.section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

/* 表单区域 */
.form-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--color-border-light);
}

.form-block {
    margin-bottom: 24px;
}

.form-block:last-child {
    margin-bottom: 0;
}

.block-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.form-row {
    margin-bottom: 16px;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-label.required::after {
    content: ' *';
    color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--color-text);
    background: var(--color-bg);
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-select {
    cursor: pointer;
}

.form-counter {
    font-size: 12px;
    color: var(--color-text-light);
    text-align: right;
    margin-top: 4px;
}

.form-counter.warning {
    color: var(--color-warning);
}

.form-counter.error {
    color: var(--color-error);
}

.form-hint {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: 4px;
}

/* 图片上传 */
.image-input-group {
    display: flex;
    gap: 8px;
}

.image-input-group .form-input {
    flex: 1;
}

.btn-upload {
    padding: 10px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-upload:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.image-preview {
    margin-top: 12px;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

.image-preview img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    display: block;
}

.image-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border-light);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.btn-remove-image {
    padding: 4px 8px;
    background: none;
    border: 1px solid var(--color-error);
    border-radius: 4px;
    font-size: 12px;
    color: var(--color-error);
    cursor: pointer;
    transition: var(--transition);
}

.btn-remove-image:hover {
    background: var(--color-error);
    color: white;
}

/* 可折叠区块 */
.collapsible .block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    transition: var(--transition);
    margin-bottom: 0;
}

.collapsible .block-header:hover {
    border-color: var(--color-primary);
}

.collapsible .block-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.toggle-icon {
    font-size: 12px;
    color: var(--color-text-secondary);
    transition: transform 0.2s;
}

.collapsible.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.collapsible .block-content {
    padding-top: 16px;
}

.collapsible.collapsed .block-content {
    display: none;
}

/* 预览区域 */
.preview-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
}

.preview-actions {
    display: flex;
    gap: 10px;
}

.preview-box {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    min-height: 150px;
    margin-bottom: 16px;
}

.preview-code {
    margin: 0;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.5;
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-all;
}

/* 社交预览 */
.social-preview {
    border-top: 1px solid var(--color-border-light);
    padding-top: 16px;
}

.preview-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.preview-tab {
    padding: 8px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.preview-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.preview-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.preview-panel {
    display: none;
}

.preview-panel.active {
    display: block;
}

/* Facebook风格卡片 */
.facebook-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #dadde1;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.fb-image {
    height: 158px;
    background: #f0f2f5;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #65676b;
    font-size: 14px;
}

.fb-image.has-image {
    background-color: #000;
}

.fb-image::after {
    content: '📷 图片预览';
}

.fb-image.has-image::after {
    display: none;
}

.fb-content {
    padding: 12px 16px;
    background: #f2f3f5;
}

.fb-domain {
    font-size: 12px;
    color: #65676b;
    text-transform: uppercase;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fb-title {
    font-size: 16px;
    font-weight: 600;
    color: #1d2129;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fb-desc {
    font-size: 14px;
    color: #65676b;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

/* Twitter风格卡片 */
.twitter-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e1e8ed;
}

.tw-image {
    height: 180px;
    background: #f7f9fa;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #657786;
    font-size: 14px;
}

.tw-image.has-image {
    background-color: #000;
}

.tw-image::after {
    content: '📷 图片预览';
}

.tw-image.has-image::after {
    display: none;
}

.tw-content {
    padding: 12px 16px;
}

.tw-title {
    font-size: 15px;
    font-weight: 700;
    color: #14171a;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tw-desc {
    font-size: 14px;
    color: #657786;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.tw-domain {
    font-size: 14px;
    color: #657786;
}

/* 微信风格卡片 */
.wechat-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
}

.wechat-image {
    height: 140px;
    background: #f5f5f5;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 14px;
}

.wechat-image.has-image {
    background-color: #000;
}

.wechat-image::after {
    content: '📷 图片预览';
}

.wechat-image.has-image::after {
    display: none;
}

.wechat-content {
    padding: 12px;
    background: #fafafa;
}

.wechat-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wechat-desc {
    font-size: 13px;
    color: #888;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.wechat-footer {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #576b95;
}

.wechat-icon {
    font-size: 14px;
}

/* 调试链接 */
.debug-links {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border-light);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.debug-label {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.debug-link {
    font-size: 12px;
    color: var(--color-primary);
    text-decoration: none;
    padding: 4px 10px;
    background: var(--color-primary-light);
    border-radius: 4px;
    transition: var(--transition);
}

.debug-link:hover {
    background: var(--color-primary);
    color: white;
}

/* 响应式 */
@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .image-input-group {
        flex-direction: column;
    }

    .btn-upload {
        width: 100%;
    }
}

@media (max-width: 500px) {
    .preview-tabs {
        flex-wrap: wrap;
    }

    .preview-tab {
        flex: 1;
        text-align: center;
    }
}