/* ============================================
   BioDataTools 子网页公用样式表
   仅包含所有页面共用的基础样式（页眉、页脚、卡片、按钮、表单、表格等）
   特殊样式请在各页面单独定义
============================================ */

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", "Microsoft Yahei", sans-serif;
}

body {
    background-color: #f0f4f8;
    color: #333;
    line-height: 1.6;
}

/* ========== 页眉（配合 header.js） ========== */
header {
    background: #1f4068;
    color: #fff;
    padding: 1.2rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 99;
}
.header-wrap {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ----- 新增：左侧 Logo + 标题容器 ----- */
.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* ----- 新增：大尺寸 Logo ----- */
.header-logo {
    height: 80px;          /* 大尺寸，醒目 */
    width: auto;
    border-radius: 6px;
    flex-shrink: 0;
}

.site-title h1 {
    font-size: 1.6rem;
    letter-spacing: 1px;
}
.author {
    margin-top: 0.2rem;
    font-size: 0.85rem;
    opacity: 0.85;
}

/* 右侧按钮组（B站、GitHub、返回首页） */
.bilibili-link, .github-link, .back-home {
    background: #fb7299;
    color: #fff;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    transition: 0.3s;
    font-weight: 500;
    margin-right: 10px;
}
.github-link {
    background: #24292f;
}
.back-home {
    background: #24292f;
    margin-right: 0;
}
.bilibili-link:hover, .github-link:hover, .back-home:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

/* ========== 页脚（配合 footer.js） ========== */
footer {
    text-align: center;
    padding: 2rem;
    color: #888;
    font-size: 0.9rem;
    background: #fff;
    margin-top: 3rem;
    position: relative;
}
footer .email {
    margin: 0.5rem 0;
}
.donate-wrap {
    display: inline-block;
    position: relative;
    margin-left: 8px;
    cursor: pointer;
    color: #1f4068;
    font-weight: 500;
}
.donate-tip {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.2);
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 100;
    white-space: nowrap;
}
.donate-tip img {
    display: block;
    max-width: 400px;
    height: auto;
}
.donate-wrap:hover .donate-tip {
    visibility: visible;
    opacity: 1;
}

/* ========== 主内容容器 ========== */
.main {
    max-width: 1500px;
    margin: 4rem auto;
    padding: 0 2rem;
}
.page-intro {
    text-align: center;
    margin-bottom: 2rem;
}
.page-intro h2 {
    font-size: 1.8rem;
    color: #1f4068;
    margin-bottom: 0.8rem;
}
.page-intro p {
    color: #666;
    font-size: 1.05rem;
}

/* ========== 卡片样式 ========== */
.step-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(31, 64, 104, 0.1);
    padding: 2rem;
    margin-bottom: 2.5rem;
    border: 1px solid #e8edf2;
}
.step-title {
    font-size: 1.4rem;
    color: #1f4068;
    font-weight: bold;
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid #e8edf2;
}

/* ========== 表单组件（通用） ========== */
.radio-box {
    margin: 10px 0 15px;
}
.radio-box label {
    margin-right: 25px;
    cursor: pointer;
}
.file-input, .text-input {
    margin: 10px 0;
}
textarea {
    width: 100%;
    min-height: 180px;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 6px;
    resize: vertical;
}
.filter-box {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 15px 0 0 0;
    align-items: center;
}
.tip-text {
    margin: 10px 0;
    font-weight: 500;
}
.warn { color: #e67700; }
.error { color: #dc3545; }
.success { color: #28a745; }

/* ========== 通用按钮 ========== */
.btn {
    padding: 8px 20px;
    background: #1f4068;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
}
.btn:disabled {
    background: #999;
    cursor: not-allowed;
}
.btn-sm {
    padding: 4px 10px;
    font-size: 13px;
    background: #6c757d;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    color: #fff;
}
.btn-sm:hover {
    background: #5a6268;
}
.btn-del {
    background: #dc3545;
}
.btn-del:hover {
    background: #bb2d3b;
}

/* ========== 结果展示区（通用） ========== */
.result-item {
    border: 1px solid #e8edf2;
    border-radius: 6px;
    padding: 12px;
    margin: 10px 0;
}
.result-toolbar {
    margin: 10px 0;
    display: flex;
    gap: 10px;
    align-items: center;
}
.seq-area {
    word-break: break-all;
    font-family: Consolas, monospace;
    margin-top: 8px;
    line-height: 1.8;
}

/* ========== 通用表格 ========== */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-family: Consolas, monospace;
}
th, td {
    border: 1px solid #ccc;
    padding: 6px 8px;
    text-align: center;
}
th {
    background-color: #f5f7fa;
}
.table-scroll {
    max-height: 300px;
    overflow-x: auto;
    overflow-y: auto;
}
.table-container {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 500px;
    border: 1px solid #e8edf2;
    border-radius: 8px;
    margin: 15px 0;
}
.table-container th {
    position: sticky;
    top: 0;
    z-index: 10;
}

/* ========== 密码子表预览（四列并排，用于 RSCU 等） ========== */
.preview-table-wrap {
    margin-top: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    max-height: 400px;
    overflow-y: auto;
}
.codon-preview-row {
    display: flex;
    gap: 10px;
}
.codon-col {
    flex: 1;
}
.preview-table {
    width: 100%;
    font-size: 13px;
}
.custom-codon-box {
    margin-top: 10px;
    padding: 10px;
    border: 1px dashed #999;
    border-radius: 6px;
}
.hide {
    display: none;
}

/* ========== 辅助类 ========== */
.copy-temp {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* ========== 复制成功提示（Toast） ========== */
.copy-toast {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: #2e7d32;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.copy-toast.show {
    opacity: 1;
}

/* ========== 通用表单元素（输入框、下拉框） ========== */
input[type="text"],
input[type="number"],
select {
    padding: 6px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    background-color: #fff;
    font-family: inherit;
}
label {
    font-size: 1rem;
    cursor: pointer;
}

/* ========== 表格滚动容器 ========== */
.table-scroll {
    max-height: 300px;
    overflow-x: auto;
    overflow-y: auto;
}


/* 颜色选择器 */
input[type="color"] {
    padding: 4px 6px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 50px;
    height: 32px;
    cursor: pointer;
}

.param-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px 16px;
    margin: 8px 0 15px;
}
@media (min-width: 1200px) {
    .param-wrap {
        grid-template-columns: repeat(4, minmax(200px, 1fr));
    }
}

.param-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 文件列表 */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
    max-height: 300px;
    overflow-y: auto;
}
.file-item {
    border: 1px solid #e8edf2;
    border-radius: 6px;
    padding: 10px 12px;
    transition: 0.2s;
}
.file-item:hover {
    border-color: #1f4068;
    background-color: #f7f9fc;
}
.file-name {
    font-weight: 500;
}
.file-path {
    font-size: 0.85rem;
    color: #666;
    word-break: break-all;
    margin-top: 4px;
}

/* 结果卡片列表 */
.res-card-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
    max-height: 400px;
    overflow-y: auto;
}
.res-card {
    border: 1px solid #e8edf2;
    border-radius: 6px;
    padding: 12px;
    background: #fff;
}
.res-title {
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}
.res-btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* 批量下载容器 */
.batch-container {
    border: 1px solid #d8e2ec;
    border-radius: 6px;
    padding: 12px;
    margin-top: 8px;
}
.batch-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.batch-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 6px;
    border-bottom: 1px solid #f0f4f8;
}
.batch-item:last-child {
    border-bottom: none;
}

/* ========== 序列拼接等工具通用样式 ========== */

/* 小按钮和危险按钮 */
.btn-sm {
    padding: 4px 10px;
    font-size: 13px;
    background: #6c757d;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    color: #fff;
}
.btn-sm:hover {
    background: #5a6268;
}
.btn-del {
    background: #dc3545;
}
.btn-del:hover {
    background: #bb2d3b;
}

/* 三列内联布局（用于表单分组） */
.three-inline {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.three-inline .form-group {
    flex: 1;
    min-width: 220px;
}

/* 子分组（带左边框的嵌套区域） */
.sub-group {
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 2px solid #e8edf2;
}

/* 模式切换开关（单选框横排） */
.mode-switch {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
    padding: 10px 0;
    border-bottom: 1px solid #e8edf2;
}
.mode-switch label {
    font-weight: 600;
    margin: 0;
    cursor: pointer;
}

/* 参数禁用区域 */
.disabled-param {
    opacity: 0.6;
    pointer-events: none;
}

/* 结果展示框（用于拼接结果的纯文本区域） */
.result-box {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 6px;
    margin: 10px 0;
    font-family: monospace;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
}

.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

/* 让 SVG 文本完全使用内联 font-family，不受全局 * 干扰 */
svg text {
    font-family: inherit;
}

/* ===== 通用布局与数字样式 ===== */
.flex-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 40px;
    align-items: center;
}
.text-ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.mono-num {
    font-family: "Consolas", monospace;
    text-align: right;
}
.bg-total td {
    background: #f1f5f9;
    font-weight: 600;
    border-top: 2px solid #1f4068;
}

/* ===== 模式切换标签页 ===== */
.mode-tabs {
    display: flex;
    gap: 12px;
    margin: 10px 0 16px;
    flex-wrap: wrap;
}
.mode-tabs label {
    cursor: pointer;
    padding: 6px 18px;
    border-radius: 20px;
    border: 1px solid #ddd;
    background: #f8f9fa;
    font-weight: 400;
    transition: 0.2s;
}
.mode-tabs label:hover {
    border-color: #1f4068;
    background: #eef2f7;
}
.mode-tabs label:has(input:checked) {
    background: #1f4068;
    color: #fff;
    border-color: #1f4068;
}
.mode-tabs label:has(input:checked) .hint {
    color: #b8d4f0;
}
.mode-tabs .hint {
    font-size: 0.8rem;
    color: #888;
    font-weight: 400;
}

/* ===== 文件列表（通用） ===== */
.file-list {
    border: 1px solid #e8edf2;
    border-radius: 6px;
    max-height: 260px;
    overflow-y: auto;
}
.file-list .file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid #e8edf2;
}
.file-list .file-item:last-child {
    border-bottom: none;
}
.file-list .file-item .name {
    font-weight: 500;
}
.file-list .file-item .size {
    color: #6c757d;
    font-size: 0.85rem;
    margin-left: 16px;
}

/* ===== 下载条目 ===== */
.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid #f0f4f8;
}
.download-item:last-child {
    border-bottom: none;
}
.download-item .info {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* ===== 突出显示框（如合并文件） ===== */
.highlight-box {
    background: #f0f7ff;
    border: 1px solid #b8d4f0;
    border-radius: 6px;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.highlight-box .label {
    font-weight: 600;
    color: #1f4068;
}
.highlight-box .desc {
    color: #555;
    font-size: 0.9rem;
}

/* ===== 输入提示文字 ===== */
.input-hint {
    font-size: 0.85rem;
    color: #888;
    margin-top: 4px;
}

/* ===== 模式切换标签页（已存在，但补全完整） ===== */
.mode-tabs {
    display: flex;
    gap: 12px;
    margin: 10px 0 16px;
    flex-wrap: wrap;
}
.mode-tabs label {
    cursor: pointer;
    padding: 6px 18px;
    border-radius: 20px;
    border: 1px solid #ddd;
    background: #f8f9fa;
    font-weight: 400;
    transition: 0.2s;
}
.mode-tabs label:hover {
    border-color: #1f4068;
    background: #eef2f7;
}
.mode-tabs label:has(input:checked) {
    background: #1f4068;
    color: #fff;
    border-color: #1f4068;
}
.mode-tabs label:has(input:checked) .hint {
    color: #b8d4f0;
}
.mode-tabs .hint {
    font-size: 0.8rem;
    color: #888;
    font-weight: 400;
}

/* ========== 响应式（页眉及全局） ========== */
@media (max-width: 768px) {
    .header-wrap {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    /* 左侧容器在移动端纵向排列 */
    .header-left {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    /* Logo 在平板下适中大小 */
    .header-logo {
        height: 55px;
    }
    /* 右侧按钮组居中 */
    .header-wrap > div:last-child {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 6px;
    }
    /* 其他全局调整 */
    .header-wrap > div:last-child a {
        margin-right: 6px;
    }
}

@media (max-width: 480px) {
    /* 手机小屏 Logo 再缩小一点 */
    .header-logo {
        height: 45px;
    }
    /* 页眉内边距减小 */
    header {
        padding: 0.8rem 1rem;
    }
    /* 标题字体略缩小 */
    .site-title h1 {
        font-size: 1.3rem;
    }
    /* 按钮文字略小 */
    .bilibili-link, .github-link, .back-home {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
}