/* ================================================================
   菜刀客在线工具页 · barcode-generator.html 私有样式
   需在 /css/common.css 之后加载。
   ================================================================ */

/* ---- 表单增强：分栏输入行 ---- */
.form-row .split {
    flex: 1;
}

/* ---- 条码预览 ---- */
.bc-preview {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px 16px;
    min-height: 300px;
}

.bc-preview .bc-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background: #fff;
}

.bc-preview canvas {
    max-width: 100%;
    height: auto;
    display: block;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-radius: 4px;
}

.bc-preview .bc-name {
    font-size: 13px;
    color: #6b7280;
    word-break: break-all;
    text-align: center;
    max-width: 100%;
}

.bc-tip {
    font-size: 12px;
    color: #9ca3af;
    text-align: center;
}

/* ---- 条码类型下拉帮助 ---- */
.form-group .rate-tip code {
    background: #eef2ff;
    color: #4338ca;
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 12px;
}

/* ---- SEO 说明面板：收拢空白 ---- */
.panel.extra-panel {
    height: auto;
}

.panel.extra-panel .seo-article {
    padding: 4px 6px 2px;
    line-height: 1.85;
    color: #3f4857;
}

.panel.extra-panel .seo-article h2 {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin: 22px 0 10px;
    padding-left: 12px;
    border-left: 4px solid #3b82f6;
    line-height: 1.4;
}

.panel.extra-panel .seo-article h2:first-child {
    margin-top: 0;
}

.panel.extra-panel .seo-article p {
    font-size: 14px;
    line-height: 1.9;
    color: #4b5563;
    text-align: justify;
    margin: 8px 0;
}

.panel.extra-panel .seo-article ul {
    margin: 8px 0 0 20px;
    font-size: 14px;
    line-height: 2.1;
    color: #4b5563;
}

.panel.extra-panel .seo-article li {
    margin: 4px 0;
}

.panel.extra-panel .seo-article code {
    background: #eef2ff;
    color: #4338ca;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}