/* =========================================================
   在线工具箱 · 前台主题
   基于 layui，主色藏青蓝 #1e9fff
   ========================================================= */

:root {
    --tb-primary: #1e9fff;
    --tb-primary-dark: #0f9ae6;
    --tb-primary-light: #e6f4ff;

    /* 文字层级：主文/次文/弱文/更弱/最弱（暗色下整体提亮） */
    --tb-text: #333;
    --tb-text-sub: #666;
    --tb-text-3: #999;
    --tb-text-4: #aaa;
    --tb-text-5: #ccc;

    /* 表面层级：页面底 / 卡片 / 次级面 / 三级面
       注意：这里必须给出浅色真实值。写成 var(--tb-surface-2) 这种自引用会构成依赖环，
       变量值 invalid → 用到它的声明整条回退初始值（边框消失 / 底色透明 / hover 无反馈）。 */
    --tb-bg: #f5f7fa;
    --tb-surface: #fff;
    --tb-surface-2: #f2f3f5;   /* 进度条槽、棋盘格底 */
    --tb-surface-3: #fafafa;   /* 表头、卡片头底 */

    /* 边框层级 */
    --tb-border: #e6e6e6;
    --tb-border-2: #eeeeee;    /* 表格、卡片、上传框 */
    --tb-border-3: #dcdcdc;    /* 需要更明显描边处 */

    /* 浅色底衬：蓝 hover / 成功 / 警示 / 危险 */
    --tb-tint: #e6f4ff;
    --tb-tint-ok: #f0f9eb;
    --tb-tint-warn: #fff8e6;

    /* 信息色（蓝 chip 等） */
    --tb-info: #1e9fff;
    --tb-info-border: #b6dcf7;

    /* 状态色（两套主题通用，暗色下也可读） */
    --tb-ok: #16b777;
    --tb-ok-strong: #52c41a;
    --tb-warn: #ffb800;
    --tb-danger: #ff5722;
    --tb-danger-strong: #ff4d4f;

    /* 状态底衬的边框（暗色下同步压暗） */
    --tb-tint-warn-border: #ffd591;
    --tb-tint-ok-border: #b7eb8f;
    --tb-tint-danger: #fff1f0;
    --tb-tint-danger-border: #ffa39e;
    --tb-danger-deep: #cf1322;

    /* 文本对比工具的增删色 */
    --tb-diff-del: #b31d28;
    --tb-diff-add: #22863a;
    --tb-diff-del-bg: #ffeef0;
    --tb-diff-add-bg: #e6ffed;
}

body { background: var(--tb-bg); color: var(--tb-text); }

/* 主色覆盖（同后台） */
.layui-btn { background-color: var(--tb-primary); }
.layui-btn:hover { background-color: var(--tb-primary-dark); }
.layui-btn-primary:hover { border-color: var(--tb-primary); color: var(--tb-primary); }
.layui-input:focus, .layui-textarea:focus { border-color: var(--tb-primary) !important; }
.layui-form-select dl dd.layui-this { background-color: var(--tb-primary); }
.layui-form-radioed > i, .layui-form-radio > i:hover { color: var(--tb-primary); }
.layui-form-checked i, .layui-form-checked:hover i { border-color: var(--tb-primary); background-color: var(--tb-primary); }
.layui-form-onswitch { border-color: var(--tb-primary); background-color: var(--tb-primary); }
.layui-elem-quote { border-left: 5px solid var(--tb-primary); }

/* ---------- 顶部导航 ---------- */
.tb-header {
    background: var(--tb-surface); border-bottom: 1px solid var(--tb-border);
    position: sticky; top: 0; z-index: 1000;
}
.tb-header-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 20px;
    display: flex; align-items: center; height: 60px; gap: 20px;
}
.tb-logo {
    font-size: 19px; font-weight: 500; color: var(--tb-primary);
    display: flex; align-items: center; gap: 8px; white-space: nowrap;
}
.tb-logo img { height: 28px; }
.tb-search {
    flex: 1; max-width: 460px; position: relative;
}
.tb-search input {
    width: 100%; box-sizing: border-box;   /* 必须撑满容器，否则右侧放大镜与输入框分离 */
    height: 38px; border-radius: 19px; padding-left: 18px; padding-right: 44px;
    border: 1px solid var(--tb-border); background: #fafafa;
}
.tb-search input:focus { background: var(--tb-surface); }
.tb-search-btn {
    position: absolute; right: 4px; top: 4px;   /* 相对 .tb-search 定位，input 撑满后二者重合 */
    width: 30px; height: 30px; line-height: 30px; text-align: center;
    border-radius: 50%; color: var(--tb-text-3); cursor: pointer;
}
.tb-search-btn:hover { color: var(--tb-primary); }
.tb-header-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

/* ===== 顶栏用户区：头像胶囊 + 悬停下拉菜单 ===== */
.tb-user { position: relative; }
.tb-user-chip {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 4px 12px 4px 5px; border: 1px solid var(--tb-border);
    border-radius: 999px; cursor: pointer; user-select: none;
    transition: border-color .15s, background .15s, box-shadow .15s;
}
.tb-user:hover .tb-user-chip { border-color: var(--tb-primary); background: var(--tb-tint); box-shadow: 0 2px 8px rgba(30,159,255,.12); }
.tb-user-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; display: inline-block; }
.tb-avatar-fallback {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--tb-primary-light); color: var(--tb-primary);
    display: inline-flex; align-items: center; justify-content: center; font-size: 14px;
}
.tb-user-name {
    font-size: 13px; color: var(--tb-text); max-width: 96px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tb-user-chip .layui-icon-down { font-size: 12px; color: var(--tb-text-3); transition: transform .15s; }
.tb-user:hover .layui-icon-down { transform: rotate(180deg); }
.tb-user-menu {
    position: absolute; right: 0; top: calc(100% + 8px); width: 158px;
    background: var(--tb-surface); border: 1px solid var(--tb-border); border-radius: 10px;
    box-shadow: 0 10px 28px rgba(0,0,0,.1); padding: 6px;
    display: none; z-index: 1002;
}
.tb-user-menu::before {   /* 小箭头 */
    content: ''; position: absolute; top: -5px; right: 22px; width: 9px; height: 9px;
    background: var(--tb-surface); border-left: 1px solid var(--tb-border); border-top: 1px solid var(--tb-border);
    transform: rotate(45deg);
}
.tb-user-menu::after {    /* 透明桥，避免 hover 穿过间隙时菜单消失 */
    content: ''; position: absolute; top: -10px; left: 0; right: 0; height: 10px;
}
.tb-user:hover .tb-user-menu, .tb-user-menu:hover { display: block; animation: tbMenuIn .15s ease-out; }
@keyframes tbMenuIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.tb-user-menu a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; font-size: 13px; color: var(--tb-text); border-radius: 6px;
}
.tb-user-menu a:hover { background: var(--tb-tint); color: var(--tb-primary); }
.tb-user-menu a .layui-icon { font-size: 14px; color: var(--tb-text-3); }
.tb-user-menu a:hover .layui-icon { color: var(--tb-primary); }
.tb-menu-sep { display: block; height: 1px; background: var(--tb-border); margin: 5px 8px; }

/* ===== 登录按钮（游客） ===== */
.tb-login-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 24px; border-radius: 999px;
    background: var(--tb-primary); color: #fff; font-size: 13px;
    transition: background .15s, transform .15s, box-shadow .15s;
}
.tb-login-btn .layui-icon { font-size: 13px; }
.tb-login-btn:hover { background: #0d8ce0; color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(30,159,255,.3); }

/* 搜索下拉提示 */
.tb-suggest {
    position: absolute; top: 44px; left: 0; right: 0; background: var(--tb-surface);
    border: 1px solid var(--tb-border); border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,.08); display: none; max-height: 340px;
    overflow-y: auto; z-index: 1001;
}
.tb-suggest-item {
    padding: 9px 16px; cursor: pointer; font-size: 14px;
    display: flex; justify-content: space-between; align-items: center;
}
.tb-suggest-item:hover, .tb-suggest-item.on { background: var(--tb-primary-light); }
.tb-suggest-item.on { box-shadow: inset 2px 0 0 var(--tb-primary); }
.tb-suggest-item .cat { font-size: 12px; color: var(--tb-text-4); }
/* 末项「查看全部结果」：与主色区分，用次级文字色 + 分隔线 */
.tb-suggest-all {
    padding: 9px 16px; cursor: pointer; font-size: 13px; color: var(--tb-text-sub);
    border-top: 1px dashed var(--tb-border); display: flex; align-items: center; gap: 6px;
}
.tb-suggest-all:hover, .tb-suggest-all.on { background: var(--tb-primary-light); color: var(--tb-primary); }

/* ===== 回到顶部悬浮按钮（滚动超过 400px 才出现） ===== */
.tb-backtop {
    position: fixed; right: 24px; bottom: 32px; z-index: 999;
    width: 42px; height: 42px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--tb-border); background: var(--tb-surface);
    color: var(--tb-text-sub); box-shadow: 0 2px 10px rgba(0, 0, 0, .1);
    cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(8px);
    transition: opacity .2s, visibility .2s, transform .2s, color .15s, border-color .15s;
}
.tb-backtop.show { opacity: 1; visibility: visible; transform: none; }
.tb-backtop:hover { color: var(--tb-primary); border-color: var(--tb-primary); }
.tb-backtop .layui-icon { font-size: 18px; }

/* ---------- 主体 ---------- */
.tb-main { max-width: 1200px; margin: 0 auto; padding: 24px 20px 40px; }

/* 首页横幅 */
.tb-hero {
    background: linear-gradient(120deg, #1e9fff 0%, #0f9ae6 100%);
    border-radius: 10px; padding: 30px 34px; color: #fff; margin-bottom: 24px;
}
.tb-hero h1 { font-size: 24px; font-weight: 500; margin-bottom: 8px; }
.tb-hero p { font-size: 14px; opacity: .9; line-height: 1.7; }

/* 分类区块 */
.tb-cate-block { margin-bottom: 26px; }
.tb-cate-head {
    display: flex; align-items: center; gap: 8px;
    font-size: 17px; font-weight: 500; margin-bottom: 14px;
}
.tb-cate-head > i { color: var(--tb-primary); flex-shrink: 0; }
.tb-cate-head .count { font-size: 13px; color: var(--tb-text-4); font-weight: 400; flex-shrink: 0; }
/* 板块标题过长不换行，省略号收尾：.tb-cate-link=首页分类名链接，.tb-cate-title=分类页标题 */
.tb-cate-head .tb-cate-link,
.tb-cate-head .tb-cate-title {
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0;
}

/* 工具卡片宫格 */
.tb-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px;
}
.tb-card {
    background: var(--tb-surface); border-radius: 8px; padding: 16px;
    display: flex; align-items: center; gap: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,.06); cursor: pointer;
    transition: transform .15s, box-shadow .15s;
}
.tb-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(30,159,255,.16); }
.tb-card-icon {
    flex: 0 0 40px; height: 40px; border-radius: 8px;
    background: var(--tb-primary-light); color: var(--tb-primary);
    display: flex; align-items: center; justify-content: center;
}
.tb-card-icon i { font-size: 20px; }
.tb-card-name {
    font-size: 15px; font-weight: 500;
    /* 与描述行一致：超长不换行，省略号收尾，保证宫格卡片高度统一 */
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tb-card-desc {
    font-size: 12px; color: var(--tb-text-3); margin-top: 2px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ---------- 工具页 ---------- */
.tb-crumb { font-size: 13px; color: var(--tb-text-3); margin-bottom: 12px; }
.tb-crumb a { color: var(--tb-text-3); }
.tb-crumb a:hover { color: var(--tb-primary); }

.tb-tool-wrap { display: grid; grid-template-columns: 1fr 320px; gap: 20px; }

.tb-panel {
    background: var(--tb-surface); border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,.06);
    margin-bottom: 16px;
}
.tb-panel-head {
    padding: 14px 18px; border-bottom: 1px solid var(--tb-border);
    display: flex; align-items: center; justify-content: space-between;
}
.tb-panel-title {
    font-size: 16px; font-weight: 500; display: flex; align-items: center; gap: 8px;
    min-width: 0; /* 允许在 flex 父级里收缩，省略号才能生效 */
}
.tb-panel-title i { color: var(--tb-primary); flex-shrink: 0; }
/* 标题文字单独成块：过长的工具名省略号收尾，不再挤到换行 */
.tb-panel-title-text {
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0;
}
.tb-panel-body { padding: 18px; }

/* 输入输出两栏 */
.tb-io { display: grid; grid-template-columns: 1fr 44px 1fr; gap: 10px; align-items: stretch; }
.tb-io-pane { display: flex; flex-direction: column; }
.tb-io-label { font-size: 13px; color: var(--tb-text-sub); margin-bottom: 6px; }
.tb-io-pane textarea {
    flex: 1; min-height: 260px; resize: vertical;
    font-family: Consolas, Monaco, 'Courier New', monospace; font-size: 13px; line-height: 1.7;
}
.tb-io-mid { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }
.tb-io-mid .layui-btn { width: 44px; padding: 0; }

.tb-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; align-items: center; }

/* 侧边推荐 */
.tb-side-list { list-style: none; padding: 0; margin: 0; }
.tb-side-list li { border-bottom: 1px dashed var(--tb-border-2); }
.tb-side-list li:last-child { border-bottom: none; }
.tb-side-list a {
    display: block; padding: 9px 0; font-size: 14px; color: var(--tb-text);
}
.tb-side-list a:hover { color: var(--tb-primary); }
/* 侧栏「查看全部」入口 */
.tb-side-more { padding: 10px 0 4px; font-size: 13px; text-align: center; }
.tb-side-more a { color: var(--tb-text-sub); }
.tb-side-more a:hover { color: var(--tb-primary); }
.tb-side-more .layui-icon { font-size: 12px; }

/* ===== 工具已下线页：搜索 + 热门推荐 ===== */
.tb-gone-search { display: flex; gap: 8px; justify-content: center; max-width: 420px; margin: 22px auto 0; }
.tb-gone-search input {
    flex: 1; min-width: 0; height: 38px; padding: 0 14px; font-size: 14px;
    border: 1px solid var(--tb-border); border-radius: 6px;
    background: var(--tb-surface); color: var(--tb-text);
}
.tb-gone-search input:focus { outline: none; border-color: var(--tb-primary); }
.tb-gone-search button { flex-shrink: 0; height: 38px; }
.tb-gone-hot { margin-top: 22px; }
.tb-gone-hot-title { font-size: 13px; color: var(--tb-text-4); margin-bottom: 10px; }
.tb-gone-hot-list { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tb-gone-hot-list a {
    display: inline-flex; align-items: center; gap: 5px; font-size: 13px;
    padding: 5px 12px; border-radius: 999px; text-decoration: none;
    border: 1px solid var(--tb-border); color: var(--tb-text-sub); background: var(--tb-surface);
    transition: color .15s, border-color .15s, background .15s;
}
.tb-gone-hot-list a:hover { color: var(--tb-primary); border-color: var(--tb-primary); background: var(--tb-tint); }
.tb-gone-hot-list .layui-icon { font-size: 13px; }

/* ===== 可折叠提示面板（使用提示） ===== */
.tb-tips > summary {
    list-style: none; cursor: pointer; user-select: none;
}
.tb-tips > summary::-webkit-details-marker { display: none; }
.tb-tips > summary:hover .tb-tips-arrow { color: var(--tb-primary); }
.tb-tips[open] .tb-tips-arrow .layui-icon { transform: rotate(180deg); }
.tb-tips-arrow { color: var(--tb-text-5); transition: color .15s, transform .2s; display: inline-block; }
.tb-tips-arrow .layui-icon { font-size: 13px; display: inline-block; transition: transform .2s; }
.tb-tips-tag {
    font-size: 12px; font-weight: 400; margin-left: 8px; padding: 1px 8px; border-radius: 999px;
    color: var(--tb-info); background: var(--tb-tint); border: 1px solid var(--tb-info-border);
}

/* 结构化数据用的隐藏区域 */
.tb-hidden { display: none; }

/* ---------- 页脚 ---------- */
.tb-footer {
    background: var(--tb-surface); border-top: 1px solid var(--tb-border);
    padding: 22px 20px; text-align: center; font-size: 13px; color: var(--tb-text-3); line-height: 1.9;
    overflow-wrap: break-word;
}
.tb-footer a { color: var(--tb-text-3); }
.tb-footer a:hover { color: var(--tb-primary); }
/* 元信息行与链接行：flex 居中、可整项换行，分隔点由 CSS 生成，避免移动端错乱换行 */
.tb-footer-meta, .tb-footer-links {
    display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
}
.tb-footer-meta { margin-bottom: 4px; }
.tb-footer-meta > * { padding: 0 4px; }
.tb-footer-meta > *:not(:last-child)::after { content: '·'; margin-left: 4px; color: var(--tb-text-5); }
.tb-footer-links > a { padding: 2px 6px; }
.tb-footer-links > a:not(:last-child)::after { content: '·'; margin-left: 4px; color: var(--tb-text-5); }
/* 窄屏：缩小页脚留白，链接更紧凑 */
@media (max-width: 640px) {
    .tb-footer { padding: 18px 12px; font-size: 12px; }
    .tb-footer-links > a { padding: 2px 5px; }
    .tb-footer-links > a:not(:last-child)::after { margin-left: 4px; }
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 900px) {
    .tb-tool-wrap { grid-template-columns: 1fr; }
    .tb-io { grid-template-columns: 1fr; }
    .tb-io-mid { flex-direction: row; justify-content: flex-start; padding: 8px 0; }
    .tb-io-mid .layui-btn { width: auto; padding: 0 14px; }
}
@media (max-width: 640px) {
    .tb-header-inner { flex-wrap: wrap; height: auto; padding: 10px 14px; gap: 10px; }
    .tb-search { max-width: 100%; order: 3; flex-basis: 100%; }
    .tb-main { padding: 16px 14px 30px; }
    .tb-hero { padding: 20px; }
    .tb-hero h1 { font-size: 19px; }
    .tb-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 9px; }
    .tb-card { padding: 12px; }
    /* 窄屏右下角让位：更小、更靠内，避免压住卡片与页脚 */
    .tb-backtop { right: 12px; bottom: 18px; width: 38px; height: 38px; }
}

/* ===== 接口型工具：专用查询表单与富结果 ===== */
.tb-api-row { display: flex; gap: 10px; }
.tb-api-row input { flex: 1; height: 40px; }
.tb-api-row .layui-btn { height: 40px; padding: 0 26px; font-size: 14px; }
.tb-api-tip { margin-top: 8px; font-size: 12px; color: var(--tb-text-3); line-height: 1.6; }
.tb-api-result { margin-top: 16px; }
.tb-api-hint { padding: 26px 0; text-align: center; color: var(--tb-text-5); font-size: 13px; }
.tb-api-hint .layui-icon { margin-right: 4px; }
.tb-api-status { padding: 14px 2px; font-size: 14px; }

.tb-rs-title { font-size: 15px; font-weight: 600; color: var(--tb-text); margin-bottom: 10px; }

/* ===== 调色板：桌面 3 列 × 2 行（6 色），窄屏单列 ===== */
.pl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 640px) {
    .pl-grid { grid-template-columns: 1fr; }
    .pl-swatch { min-height: 96px !important; }
}
.tb-rs-title .layui-icon { color: #16b777; margin-right: 6px; }

/* 键值结果表（IP / 手机号 / 邮编 / 邮箱等） */
table.tb-kv { width: 100%; border-collapse: collapse; font-size: 14px; }
table.tb-kv th, table.tb-kv td { border: 1px solid var(--tb-border-2); padding: 9px 14px; text-align: left; word-break: break-all; }
table.tb-kv th { width: 150px; background: var(--tb-surface-3); color: var(--tb-text-sub); font-weight: 500; white-space: nowrap; }
table.tb-kv tr:hover td { background: var(--tb-tint); }

/* 列表结果表（行政区划等多行结果） */
table.tb-ltable { display: table; width: 100%; border-collapse: collapse; font-size: 14px; }
table.tb-ltable th, table.tb-ltable td { border: 1px solid var(--tb-border-2); padding: 9px 14px; text-align: left; word-break: break-all; }
table.tb-ltable th { background: var(--tb-surface-3); color: var(--tb-text-sub); font-weight: 500; white-space: nowrap; }
table.tb-ltable tr:hover td { background: var(--tb-tint); }

/* 汉字字典卡片 */
.tb-card { border: 1px solid var(--tb-border-2); border-radius: 6px; margin-bottom: 14px; overflow: hidden; }
.tb-card-head { display: flex; align-items: baseline; gap: 16px; padding: 10px 16px; background: var(--tb-surface-3); border-bottom: 1px solid var(--tb-border-2); flex-wrap: wrap; }
.tb-zi { font-size: 26px; font-weight: 700; color: #16b777; line-height: 1; }
.tb-py { font-size: 16px; color: #1e9fff; }
.tb-meta { font-size: 13px; color: var(--tb-text-3); }
.tb-card-body { padding: 12px 16px; font-size: 14px; line-height: 1.9; color: var(--tb-text); max-height: 420px; overflow-y: auto; }

@media (max-width: 640px) {
    table.tb-kv th { width: 108px; }
    table.tb-kv th, table.tb-kv td,
    table.tb-ltable th, table.tb-ltable td { padding: 7px 9px; font-size: 13px; }
}

/* ===== 多结果同屏（MD5 四变体 / 多算法哈希） ===== */
.tb-multi { display: flex; gap: 14px; }
.tb-multi-in { flex: 1; min-width: 0; }
.tb-multi-in textarea { height: 230px; resize: vertical; }
.tb-multi-out { flex: 1.15; min-width: 0; display: flex; flex-direction: column; gap: 10px; justify-content: center; }
.tb-multi-row { display: flex; align-items: center; gap: 8px; }
.tb-multi-row label { min-width: 78px; font-size: 13px; color: var(--tb-text-sub); text-align: right; white-space: nowrap; flex-shrink: 0; }
.tb-multi-row input { flex: 1; min-width: 0; font-family: Consolas, Menlo, monospace; font-size: 13px; color: var(--tb-text); background: var(--tb-surface-3); }
.tb-multi-row .layui-btn { flex-shrink: 0; }
@media (max-width: 760px) {
    .tb-multi { flex-direction: column; }
    .tb-multi-in textarea { height: 150px; }
    .tb-multi-row label { width: auto; text-align: left; }
}

/* 首页板块头右侧的"管理/全部"链接 */
/* 原 float:right 在 flex 容器里无效，"全部/全部收藏"并没有真正靠右；改用 margin-left:auto */
.tb-cate-head .tb-more {
    margin-left: auto; flex-shrink: 0;
    font-size: 13px; color: #1e9fff; font-weight: 400;
}
.tb-cate-head .tb-more .layui-icon { font-size: 11px; }
.tb-cate-head .tb-more:hover { color: #16b777; }

/* ===== 首页卡片收藏星星：悬浮浮现，已收藏常亮 ===== */
.tb-card { position: relative; }
.tb-fav-star {
    position: absolute; top: 6px; right: 6px; width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; color: #c1c8d1; cursor: pointer;
    opacity: 0; transform: scale(.8);
    transition: opacity .15s, transform .15s, color .15s, background .15s;
    z-index: 2;
}
.tb-fav-star .layui-icon { font-size: 17px; transition: color .15s; }
.tb-card:hover .tb-fav-star { opacity: 1; transform: scale(1); }
.tb-fav-star:hover { color: #ffb800; background: var(--tb-tint-warn); transform: scale(1.15); }
.tb-fav-star.on { opacity: 1; transform: scale(1); color: #ffb800; }
.tb-fav-star.on .layui-icon { color: #ffb800; }
/* 收藏成功的"弹一下"动画：仅点击时由 JS 加 .pop 触发，页面加载时不会触发 */
@keyframes tb-fav-pop {
    0% { transform: scale(1); }
    45% { transform: scale(1.4); }
    75% { transform: scale(.88); }
    100% { transform: scale(1); }
}
.tb-fav-star.pop .layui-icon { animation: tb-fav-pop .4s ease; }

/* ===== 工具详情页收藏按钮（金色星星胶囊） ===== */
.tb-fav-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 14px; border-radius: 999px; cursor: pointer;
    border: 1px solid var(--tb-border); background: var(--tb-surface);
    font-size: 12px; color: var(--tb-text-3); line-height: 20px;
    transition: border-color .15s, color .15s, background .15s, box-shadow .15s;
}
.tb-fav-btn .layui-icon { font-size: 14px; }
.tb-fav-btn { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.tb-fav-btn:hover { border-color: #ffb800; color: #ffb800; background: var(--tb-tint-warn); }
.tb-fav-btn:active { transform: scale(.96); }
.tb-fav-btn.on { border-color: #ffcf40; color: #f0a300; background: var(--tb-tint-warn); }
.tb-fav-btn.on .layui-icon { color: #ffb800; }
/* 窄屏：面板头收紧，收藏按钮加大、不被长标题挤压 */
@media (max-width: 640px) {
    .tb-panel-head { padding: 12px 14px; gap: 10px; }
    .tb-panel-title { font-size: 15px; min-width: 0; }
    .tb-fav-btn { flex-shrink: 0; padding: 5px 14px; font-size: 13px; }
}

/* ===== 加密类工具定制 UI（分段按钮 / 参数行 / 双栏 / 强度条等） ===== */
.tb-seg { display: inline-flex; border: 1px solid var(--tb-border); border-radius: 8px; overflow: hidden; }
.tb-seg button {
    border: 0; background: var(--tb-surface); padding: 6px 16px; font-size: 13px; color: var(--tb-text-sub);
    height: 38px; cursor: pointer; transition: background .15s, color .15s;
}
.tb-seg button + button { border-left: 1px solid var(--tb-border); }
.tb-seg button:hover { background: var(--tb-tint); color: var(--tb-primary); }
.tb-seg button.on { background: var(--tb-primary); color: #fff; }

.tb-form-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
/* 行内分组：label+输入框等绑成一小组，换行时整组掉行、组内绝不堆叠 */
.tb-inrow { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.tb-form-row > label { font-size: 13px; color: var(--tb-text-sub); white-space: nowrap; flex-shrink: 0; }
.tb-aux { font-size: 12px; color: var(--tb-text-4); }
.tb-inline-msg { font-size: 13px; }

.tb-io2 { display: flex; gap: 14px; align-items: stretch; }
.tb-io2-pane { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.tb-io2-pane .tb-io2-label { flex: 0 0 auto; }
.tb-io2-pane textarea { flex: 1 1 auto; min-height: 150px; }
/* 非标签的内容 div（如时间戳结果容器）撑满剩余高度；注意排除 .tb-io2-label，否则标签被拉伸 */
.tb-io2-pane > div:not(.tb-io2-label) { flex: 1 1 auto; }
.tb-io2-label {
    font-size: 13px; color: var(--tb-text-sub); margin-bottom: 6px;
    display: flex; align-items: center; gap: 8px;
    height: 28px;   /* 固定行高，有无复制按钮都一致，两侧文本框起点对齐 */
}
.tb-io2 textarea { min-height: 150px; }
.tb-mono { font-family: Consolas, Menlo, monospace; font-size: 13px; }
.tb-cpy { flex-shrink: 0; }
.tb-pre {
    background: var(--tb-surface-3); border: 1px solid var(--tb-border-2); border-radius: 6px;
    padding: 10px 12px; font-family: Consolas, Menlo, monospace; font-size: 13px;
    line-height: 1.7; margin: 0; overflow-x: auto; white-space: pre-wrap; word-break: break-all;
}
.tb-note {
    background: var(--tb-tint-warn); border: 1px solid var(--tb-tint-warn-border); border-radius: 8px;
    padding: 12px 14px; font-size: 13px; color: var(--tb-text-sub); line-height: 1.8;
}
.tb-note code { background: var(--tb-surface); border: 1px solid var(--tb-tint-warn-border); border-radius: 4px; padding: 1px 6px; }

.tb-checks { display: inline-flex; gap: 14px; flex-wrap: wrap; }
.tb-check { font-size: 13px; color: var(--tb-text-sub); cursor: pointer; }
.tb-check input { vertical-align: -2px; margin-right: 3px; }

.tb-chip {
    display: inline-block; padding: 3px 10px; margin: 2px 0;
    background: var(--tb-tint-danger); border: 1px solid var(--tb-tint-danger-border); border-radius: 999px;
    font-size: 12px; color: #cf1322;
}

.tb-meter {
    height: 10px; border-radius: 999px; background: var(--tb-surface-2); overflow: hidden; max-width: 520px;
}
.tb-meter i { display: block; height: 100%; border-radius: 999px; transition: width .25s, background .25s; }

.tb-checklist { list-style: none; margin: 0; padding: 0; font-size: 13px; line-height: 2; color: var(--tb-text-sub); }
.tb-checklist li.ok { color: #52c41a; }
.tb-checklist li.bad { color: var(--tb-text-3); }
.tb-checklist li.bad::before { color: #ff5722; }

@media (max-width: 760px) {
    .tb-io2 { flex-direction: column; }
    .tb-seg button { padding: 6px 10px; }
}

/* ===== 复制按钮统一样式（轻量描边小胶囊：默认灰 / hover 蓝 / 已复制绿） ===== */
.tb-cpy {
    display: inline-flex; align-items: center; gap: 4px;
    border: 1px solid var(--tb-border); background: var(--tb-surface);
    color: var(--tb-text-3); font-size: 12px; line-height: 1;
    padding: 4px 10px; border-radius: 6px; cursor: pointer;
    transition: color .15s, border-color .15s, background .15s;
    flex-shrink: 0;
}
.tb-cpy .layui-icon { font-size: 13px; }
.tb-cpy:hover {
    border-color: var(--tb-primary); color: var(--tb-primary); background: var(--tb-tint);
}
.tb-cpy:active { transform: scale(.96); }
.tb-cpy.ok {
    border-color: var(--tb-tint-ok-border); color: #52c41a; background: var(--tb-tint-ok);
}
.tb-cpy.ok .layui-icon { color: #52c41a; }
.tb-multi-row button {
    border: 1px solid var(--tb-border); background: var(--tb-surface);
    color: var(--tb-text-3); font-size: 12px; padding: 5px 10px; border-radius: 6px;
    cursor: pointer; transition: color .15s, border-color .15s, background .15s;
    white-space: nowrap;
}
.tb-multi-row button:hover { border-color: var(--tb-primary); color: var(--tb-primary); background: var(--tb-tint); }
.tb-multi-row button.ok { border-color: var(--tb-tint-ok-border); color: #52c41a; background: var(--tb-tint-ok); }

/* ===== 多结果行的复制按钮：无边框幽灵图标，默认极淡、hover 显形、成功变对勾 ===== */
.tb-multi-row .tb-cpy.tb-icon {
    width: 34px; height: 34px; padding: 0;
    justify-content: center; gap: 0;
    border: 1px solid transparent; background: transparent; color: #c3cbd5;
    border-radius: 8px;
}
.tb-multi-row .tb-cpy.tb-icon .layui-icon { font-size: 16px; transition: color .15s, transform .15s; }
.tb-multi-row .tb-cpy.tb-icon:hover {
    color: var(--tb-primary); background: var(--tb-tint); border-color: var(--tb-border);
}
.tb-multi-row .tb-cpy.tb-icon:hover .layui-icon { transform: scale(1.12); }
.tb-multi-row .tb-cpy.tb-icon.ok { color: #52c41a; background: var(--tb-tint-ok); border-color: var(--tb-tint-ok-border); }

/* ===== 开发工具补充部件 ===== */
.tb-chip-click { cursor: pointer; transition: all .15s; }
.tb-chip-click:hover { background: var(--tb-primary-light); border-color: var(--tb-info-border); color: var(--tb-primary); }
mark { background: #fff3bf; color: inherit; padding: 0 2px; border-radius: 2px; }
.tb-ol li::marker { color: #1e9fff; }

/* ===== 上传框与颜色选择器 ===== */
.tb-upload {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border: 1.5px dashed #c9d2dd; border-radius: 8px;
    cursor: pointer; color: var(--tb-text-3); font-size: 13px; transition: all .15s;
}
.tb-upload i { font-size: 18px; }
.tb-upload:hover { border-color: var(--tb-primary); color: var(--tb-primary); background: var(--tb-tint); }
.tb-upload input[type=file] { display: none; }
.tb-color {
    width: 46px; height: 38px; padding: 2px;
    border: 1px solid var(--tb-border); border-radius: 6px;
    background: var(--tb-surface); cursor: pointer;
}
.tb-prev-box {
    border: 1px solid var(--tb-border-2); border-radius: 10px;
    min-height: 190px; display: flex; align-items: center; justify-content: center;
    overflow: hidden; color: var(--tb-text-5); font-size: 13px; padding: 14px;
    background:
        linear-gradient(45deg, var(--tb-surface-2) 25%, transparent 25%, transparent 75%, var(--tb-surface-2) 75%),
        linear-gradient(45deg, var(--tb-surface-2) 25%, transparent 25%, transparent 75%, var(--tb-surface-2) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    background-color: var(--tb-surface);
}
.tb-prev-box:empty::before { content: '等待选择图片…'; }
.tb-prev-box img { max-width: 100%; max-height: 220px; border-radius: 6px; }
input[type=range] { accent-color: var(--tb-primary); vertical-align: middle; }

/* ===== 识别历史行 ===== */
.tb-hist-row {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 12px; border: 1px solid var(--tb-border-2); border-radius: 8px;
    margin-bottom: 8px; font-size: 13px; transition: background .15s;
}
.tb-hist-row .t { color: var(--tb-text-4); font-size: 12px; flex-shrink: 0; }
.tb-hist-row .c { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--tb-text); cursor: pointer; }
.tb-hist-row:hover { background: var(--tb-tint); }

/* ===== HTTP 状态码徽章 ===== */
.hs-badge {
    display: inline-block; min-width: 44px; text-align: center;
    padding: 2px 8px; border-radius: 6px;
    font-family: Consolas, Menlo, monospace; font-size: 13px; font-weight: 600;
}
.hs-badge.st-1 { background: var(--tb-tint); color: var(--tb-info); }
.hs-badge.st-2 { background: #f0fff4; color: #23a55a; }
.hs-badge.st-3 { background: #fff7e6; color: #d48806; }
.hs-badge.st-4 { background: var(--tb-tint-danger); color: var(--tb-danger-deep); }
.hs-badge.st-5 { background: #fff0f6; color: #c41d7f; }

/* ===== 万年历网格 ===== */
.cal-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.cal-nav {
    width: 30px; height: 30px; border: 1px solid var(--tb-border); background: var(--tb-surface);
    border-radius: 6px; cursor: pointer; color: var(--tb-text-sub); transition: all .15s;
}
.cal-nav:hover { color: var(--tb-primary); border-color: var(--tb-primary); }
.cal-title { font-size: 16px; font-weight: 600; color: var(--tb-text); }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-week { text-align: center; font-size: 12px; color: var(--tb-text-3); padding: 4px 0; }
.cal-cell {
    min-height: 62px; border: 1px solid var(--tb-border-2); border-radius: 6px;
    padding: 4px 6px; cursor: pointer; background: var(--tb-surface);
    transition: border-color .15s, background .15s;
}
.cal-cell:hover { border-color: var(--tb-primary); }
.cal-cell.out { opacity: .38; }
.cal-cell.today { border-color: #16b777; background: var(--tb-tint-ok); }
.cal-cell.sel { border-color: #1e9fff; box-shadow: 0 0 0 2px rgba(30, 159, 255, .15); }
.cal-d { font-size: 14px; font-weight: 600; color: var(--tb-text); }
.cal-lunar { font-size: 11px; color: #16b777; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cal-lunar.gray { color: var(--tb-text-4); }

/* ===== 年龄大数字 ===== */
.age-hero {
    display: flex; align-items: baseline; gap: 8px;
    background: var(--tb-tint-ok); border: 1px solid var(--tb-tint-ok-border); border-radius: 10px;
    padding: 14px 20px; margin-bottom: 12px; flex-wrap: wrap;
}
.age-hero b { font-size: 30px; color: #16b777; line-height: 1; }

/* 蓝色标签 chip（星座性格等） */
.tb-chip.b { background: var(--tb-tint); border-color: var(--tb-info-border); color: var(--tb-info); }

@media (max-width: 640px) {
    .cal-cell { min-height: 46px; padding: 2px 4px; }
    .cal-d { font-size: 12px; }
    .cal-lunar { font-size: 10px; }
}

/* ===== 生活工具：统计卡片 / 大数字 / 量表 / 百分比条 ===== */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.stat-card { border: 1px solid var(--tb-border-2); border-radius: 8px; padding: 10px 14px; background: var(--tb-surface-3); }
.stat-card .k { font-size: 12px; color: var(--tb-text-3); }
.stat-card .v { font-size: 18px; font-weight: 600; color: var(--tb-text); margin-top: 2px; }
.stat-card .v small { font-size: 12px; color: var(--tb-text-3); font-weight: 400; }

.hero-num {
    background: var(--tb-tint-ok); border: 1px solid var(--tb-tint-ok-border); border-radius: 10px;
    padding: 14px 20px; display: flex; align-items: center; gap: 14px;
    flex-wrap: wrap; margin-bottom: 12px;
}
.hero-num .big { font-size: 34px; font-weight: 700; color: #16b777; line-height: 1; }
.hero-num .tag { padding: 2px 10px; border-radius: 999px; font-size: 13px; color: #fff; }

.bmi-bar {
    position: relative; height: 14px; border-radius: 999px; margin: 14px 0 4px;
    background: linear-gradient(90deg, #74a9ff 0 18.5%, #52c41a 18.5% 46%, #faad14 46% 68%, #ff5722 68% 100%);
}
.bmi-bar i {
    position: absolute; top: -5px; width: 4px; height: 24px;
    background: #333; border-radius: 2px; transform: translateX(-2px);
}
.bmi-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--tb-text-3); }

.preg-bar { height: 14px; border-radius: 999px; overflow: hidden; display: flex; }

.sleep-row {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 14px; border: 1px solid var(--tb-border-2); border-radius: 8px; margin-bottom: 8px;
}
.sleep-row .c { width: 170px; font-size: 13px; color: var(--tb-text-sub); }
.sleep-row .t { font-size: 18px; font-weight: 600; font-family: Consolas, Menlo, monospace; color: var(--tb-text); }
.sleep-row.rec { border-color: var(--tb-tint-ok-border); background: var(--tb-tint-ok); }
.sleep-row .badge { background: #52c41a; color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 999px; }

.pd-card { border: 1px solid var(--tb-border-2); border-radius: 8px; margin-bottom: 10px; overflow: hidden; }
.pd-head { background: var(--tb-surface-3); border-bottom: 1px solid var(--tb-border-2); padding: 8px 14px; font-size: 13px; color: var(--tb-text-sub); }
.pd-body { padding: 10px 14px; }
.pd-line { display: flex; gap: 8px; align-items: center; font-size: 13px; margin: 4px 0; color: var(--tb-text); }
.pd-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

.pct-row { display: flex; align-items: center; gap: 10px; margin: 8px 0; font-size: 13px; }
.pct-row .lbl { width: 52px; color: var(--tb-text-sub); flex-shrink: 0; }
.pct-row .bar { flex: 1; height: 12px; background: var(--tb-surface-2); border-radius: 999px; overflow: hidden; }
.pct-row .bar i { display: block; height: 100%; border-radius: 999px; }
.pct-row .val { width: 48px; text-align: right; color: var(--tb-text); font-weight: 600; }

/* 分类标题可点击链接 */
.tb-cate-link { color: inherit; }
.tb-cate-link:hover { color: var(--tb-primary); }

/* ===== 触屏设备（无 hover）：卡片收藏星整颗隐藏，首页/分类页保持干净 =====
   收藏改在工具详情页用「收藏」胶囊按钮操作（.tb-fav-btn 不受本条影响） */
@media (hover: none) {
    .tb-fav-star { display: none; }
    .tb-card-name, .tb-card-desc { padding-right: 0; }
}

/* 电子签名画笔颜色气泡 */
.sig-color {
    width: 26px; height: 26px; border-radius: 50%;
    display: inline-block; cursor: pointer;
    border: 2px solid #fff; box-shadow: 0 0 0 1px var(--tb-border);
    transition: box-shadow .15s, transform .15s;
}
.sig-color.on { box-shadow: 0 0 0 2px var(--tb-primary); transform: scale(1.1); }

/* ===== 番茄钟全屏计时 ===== */
#tmStage.tm-fs-on, #tmStage:fullscreen {
    background: #0f1216;
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 !important;
}
#tmStage.tm-fs-on { position: fixed; inset: 0; z-index: 99999; }
#tmStage.tm-fs-on #tmDisplay, #tmStage:fullscreen #tmDisplay {
    font-size: min(24vw, 32vh);
    color: #ffffff;
    letter-spacing: 8px;
}
#tmStage.tm-fs-on #tmState, #tmStage:fullscreen #tmState {
    color: var(--tb-text-4);
    font-size: 17px;
    margin-top: 10px;
}
#tmStage.tm-fs-on #tmExitFs, #tmStage:fullscreen #tmExitFs {
    display: inline-flex !important;
    border-color: #3a4450;
    color: #aab3bd;
}

/* ===== JSON 格式化：输入/结果上下整行布局 + 可折叠树视图 ===== */
.jf-io { display: flex; flex-direction: column; gap: 14px; }
.jf-io .tb-io2-pane textarea { min-height: 150px; }
.jf-io .tb-io2-label { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.jf-tree {
    font-family: Consolas, Monaco, "Courier New", monospace;
    font-size: 13px; line-height: 22px; color: #303133;
    background: var(--tb-surface); border: 1px solid #e6e8eb; border-radius: 6px;
    padding: 10px 14px; min-height: 150px; max-height: 480px; overflow: auto;
    user-select: text;
}
.jf-node { position: relative; padding-left: 18px; white-space: pre-wrap; word-break: break-all; }
.jf-node > .jf-kids { padding-left: 18px; margin: 0; border-left: 1px dotted var(--tb-border-3); }
.jf-arrow {
    position: absolute; left: 0; top: 0; width: 16px; height: 22px;
    text-align: center; cursor: pointer; color: var(--tb-text-3); user-select: none;
    font-size: 12px; transition: transform .12s;
}
.jf-node.folded > .jf-arrow { transform: rotate(-90deg); }
.jf-key { color: #881280; }
.jf-str { color: #0b7500; }
.jf-num { color: #1e9fff; }
.jf-bool { color: var(--tb-danger-deep); }
.jf-null { color: var(--tb-text-3); font-style: italic; }
.jf-brace { color: var(--tb-text-sub); }
.jf-summary { color: var(--tb-text-3); font-size: 12px; }
.jf-node.folded > .jf-kids, .jf-node.folded > .jf-close { display: none; }
.jf-node:not(.folded) > .jf-folded-tag { display: none; }
.jf-viewseg { display: inline-flex; background: #f2f3f5; border-radius: 6px; padding: 2px; gap: 2px; }
.jf-viewseg button {
    border: none; background: transparent; padding: 3px 12px; font-size: 12px;
    border-radius: 4px; color: var(--tb-text-sub); cursor: pointer; transition: all .15s; line-height: 18px;
}
.jf-viewseg button:hover { color: var(--tb-primary); }
.jf-viewseg button.on {
    background: var(--tb-surface); color: var(--tb-primary); font-weight: 500;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .12);
}
.jf-mini {
    border: 1px solid var(--tb-border-3); background: var(--tb-surface); border-radius: 6px; padding: 3px 10px;
    font-size: 12px; color: var(--tb-text-sub); cursor: pointer; transition: all .15s; line-height: 18px;
}
.jf-mini:hover { color: var(--tb-primary); border-color: var(--tb-primary); background: var(--tb-primary-light); }
.jf-mini:active { transform: scale(.95); }

/* ===== 证件照换底色 ===== */
.id-swatch {
    display: inline-block; width: 26px; height: 26px; border-radius: 4px;
    border: 1px solid var(--tb-border-3); vertical-align: middle; background: var(--tb-surface);
}
.id-photo { max-width: 100%; max-height: 460px; border-radius: 6px; box-shadow: 0 2px 10px rgba(0,0,0,.08); }
#idPick.on { color: var(--tb-primary); border-color: var(--tb-primary); background: var(--tb-primary-light); }
#idPrev { display: flex; justify-content: center; align-items: center; }
.tb-hero p b { color: #ffe98d; font-weight: 600; }

/* ===== 图片工具通用美化（混淆 / 隐形水印） ===== */
.imgtool-note {
    display: flex; align-items: flex-start; gap: 8px;
    background: var(--tb-tint); border-left: 3px solid var(--tb-primary);
    color: #40566b; font-size: 13px; line-height: 1.7;
    padding: 10px 14px; border-radius: 0 8px 8px 0; margin-bottom: 14px;
}
.imgtool-note .layui-icon { color: var(--tb-primary); flex-shrink: 0; margin-top: 2px; }
.imgtool-panel {
    background: var(--tb-surface); border: 1px solid var(--tb-border-2); border-radius: 10px;
    padding: 16px 18px; box-shadow: 0 1px 6px rgba(30, 159, 255, .06);
    margin-bottom: 14px;
}
.imgtool-panel .tb-form-row { margin-bottom: 14px; }
.imgtool-panel .tb-form-row:last-child { margin-bottom: 0; }
.imgtool-key { display: inline-flex; vertical-align: middle; }
.imgtool-key .layui-input { border-radius: 6px 0 0 6px; border-right: none; }
.imgtool-key .jf-mini { border-radius: 0 6px 6px 0; height: 38px; line-height: 36px; padding: 0 12px; }
.imgtool-down {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--tb-primary); color: #fff; border: none;
    padding: 9px 22px; border-radius: 6px; font-size: 14px; cursor: pointer;
    transition: background .15s, transform .1s;
}
.imgtool-down:hover { background: #0f8ee8; color: #fff; }
.imgtool-down:active { transform: scale(.97); }
.imgtool-prev {
    display: flex; justify-content: center; align-items: center;
    min-height: 220px; padding: 16px; border-radius: 10px;
    border: 1px solid var(--tb-border-2);
    background:
        linear-gradient(45deg, var(--tb-surface-2) 25%, transparent 25%, transparent 75%, var(--tb-surface-2) 75%),
        linear-gradient(45deg, var(--tb-surface-2) 25%, transparent 25%, transparent 75%, var(--tb-surface-2) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    background-color: var(--tb-surface);
}
.imgtool-meta { font-family: Consolas, Monaco, "Courier New", monospace; font-size: 12px; color: var(--tb-text-4); }
.imgtool-tools textarea { max-width: 560px; }
/* 上传控件粘贴提示 */
.tb-paste-tip { font-size: 11px; color: var(--tb-text-4); margin: 0 8px; }

/* =========================================================
   暗色主题（html.dark）
   原则：只覆盖"表面/文字/边框/底衬"这些层级变量与 layui 组件皮肤；
   主色与状态色（蓝/绿/黄/红）两套主题通用，暗色下依然可读，不做二次定义。
   切换由 front.html 的内联脚本控制：localStorage 记忆，未设置过则跟随系统。
   ========================================================= */
html.dark {
    color-scheme: dark;

    --tb-primary-light: #14304a;   /* 主色浅底 → 深蓝底（图标底衬等） */

    --tb-text: #e4e8ee;
    --tb-text-sub: #a8b1bd;
    --tb-text-3: #8a929e;
    --tb-text-4: #6f7783;
    --tb-text-5: #565e6a;

    --tb-bg: #12161c;
    --tb-surface: #1b2129;
    --tb-surface-2: #212833;
    --tb-surface-3: #1e2530;

    --tb-border: #2b333e;
    --tb-border-2: #272f3a;
    --tb-border-3: #323b47;

    --tb-tint: #17293c;
    --tb-tint-ok: #14251c;
    --tb-tint-warn: #2a2313;
    --tb-tint-danger: #2e1512;

    --tb-tint-warn-border: #55431c;
    --tb-tint-ok-border: #2c4a34;
    --tb-tint-danger-border: #5c2620;

    --tb-info: #6cb8ff;
    --tb-info-border: #2f5a80;

    --tb-diff-del: #ff9d7a;
    --tb-diff-add: #5bd69a;
    --tb-diff-del-bg: #33170f;
    --tb-diff-add-bg: #12301f;
    --tb-danger-deep: #ff9d7a;
}

/* ---------- layui 组件暗色皮肤 ---------- */
html.dark .layui-input,
html.dark .layui-textarea,
html.dark .layui-select {
    background-color: #161c24; border-color: var(--tb-border-3); color: var(--tb-text);
}
html.dark .layui-input::placeholder,
html.dark .layui-textarea::placeholder { color: #5a6470; }
html.dark .layui-form-select dl {
    background-color: var(--tb-surface); border: 1px solid var(--tb-border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, .45);
}
html.dark .layui-form-select dl dd { color: var(--tb-text); }
html.dark .layui-form-select dl dd:hover { background-color: var(--tb-tint); }
html.dark .layui-form-select dl dd.layui-this { background-color: var(--tb-primary); color: #fff; }
html.dark .layui-form-select dl dd.layui-disabled { background-color: transparent; color: #4d5661; }
html.dark .layui-btn-primary {
    background-color: transparent; border-color: var(--tb-border-3); color: var(--tb-text);
}
html.dark .layui-btn-primary:hover { border-color: var(--tb-primary); color: var(--tb-primary); }
html.dark .layui-elem-quote {
    background-color: var(--tb-surface-2); border-left-color: var(--tb-primary); color: var(--tb-text-sub);
}
html.dark .layui-form-radio > i { color: var(--tb-text-3); }
html.dark .layui-form-checked i { background-color: var(--tb-primary); border-color: var(--tb-primary); color: #fff; }
html.dark .layui-form-checkbox { border-color: var(--tb-border-3); background-color: transparent; }
html.dark .layui-form-checkbox > i { color: var(--tb-text-3); }
html.dark .layui-form-onswitch { border-color: var(--tb-primary); background-color: var(--tb-primary); }

/* layer 弹层（msg / confirm / iframe 容器） */
html.dark .layui-layer {
    background-color: var(--tb-surface); color: var(--tb-text);
    box-shadow: 0 6px 30px rgba(0, 0, 0, .55);
}
html.dark .layui-layer-title {
    background-color: var(--tb-surface-2); border-bottom-color: var(--tb-border); color: var(--tb-text);
}
html.dark .layui-layer-btn a {
    background-color: var(--tb-surface-2); border-color: var(--tb-border-3); color: var(--tb-text);
}
html.dark .layui-layer-btn .layui-layer-btn0 {
    background-color: var(--tb-primary); border-color: var(--tb-primary); color: #fff;
}
html.dark .layui-layer-msg { background-color: var(--tb-surface); color: var(--tb-text); }
html.dark .layui-layer-setwin a { filter: invert(1) hue-rotate(180deg); }
html.dark .layui-layer-iframe { background-color: var(--tb-surface); }

/* ---------- 主题切换按钮 ---------- */
.tb-theme-btn {
    width: 34px; height: 34px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--tb-border); background: var(--tb-surface);
    color: var(--tb-text-3); cursor: pointer; font-size: 16px;
    transition: color .15s, border-color .15s, background .15s, transform .15s;
    user-select: none;
}
.tb-theme-btn:hover { color: var(--tb-primary); border-color: var(--tb-primary); transform: rotate(15deg); }
.tb-theme-btn .icon-moon { display: none; }
.tb-theme-btn .icon-sun { display: inline; }
html.dark .tb-theme-btn .icon-moon { display: inline; }
html.dark .tb-theme-btn .icon-sun { display: none; }

/* ===== 新增工具部件（黄历 / 节气 / 秒表 / 符号 / GIF / 图片编辑） ===== */

/* 宜：绿色 chip（原 .tb-chip 是红色，用于「忌」） */
.tb-chip.ok { background: var(--tb-tint-ok); border-color: var(--tb-tint-ok-border); color: #389e0d; }
.tb-chip.sy-c, .tb-chip.sy-c:hover { font-size: 16px; padding: 4px 10px; }
.tb-chip.sy-c.ok { background: var(--tb-primary); border-color: var(--tb-primary); color: #fff; }

/* 快捷词/标签容器 */
.tb-quick { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 10px; }

/* 节气网格 */
.jq-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; margin-top: 6px; }
.jq-item {
    border: 1px solid var(--tb-border); border-radius: 8px; padding: 8px 10px;
    background: var(--tb-surface-2); text-align: center;
}
.jq-item.past { opacity: .55; }
.jq-item.next { border-color: var(--tb-primary); background: var(--tb-primary-light); }
.jq-name { font-size: 15px; font-weight: 600; color: var(--tb-text); }
.jq-time { font-size: 12px; color: var(--tb-text-sub); margin-top: 2px; }
.jq-days { font-size: 12px; color: var(--tb-text-4); margin-top: 2px; }
.jq-item.next .jq-days { color: var(--tb-primary); }

/* 秒表 */
.sw-board {
    text-align: center; padding: 18px 10px; margin-bottom: 10px;
    background: var(--tb-surface-2); border: 1px solid var(--tb-border); border-radius: 10px;
}
.sw-board span { font: 600 40px/1.2 Consolas, "SF Mono", Menlo, monospace; color: var(--tb-text); letter-spacing: 1px; }

/* 符号网格 */
.sy-grid { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 14px; }

/* GIF 帧预览 */
.gf-prev { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.gf-item { position: relative; width: 84px; text-align: center; }
.gf-item img {
    width: 84px; height: 84px; object-fit: cover; display: block;
    border: 1px solid var(--tb-border); border-radius: 6px; background: var(--tb-surface-2);
}
.gf-item span {
    position: absolute; left: 2px; top: 2px; background: rgba(0, 0, 0, .55); color: #fff;
    font-size: 11px; border-radius: 4px; padding: 0 5px;
}

/* 图片编辑预览 */
.ie-prev { margin-top: 10px; padding: 10px; background: var(--tb-surface-2); border: 1px solid var(--tb-border); border-radius: 8px; overflow: auto; }
.ie-canvas { max-width: 100%; display: block; margin: 0 auto; background-image: linear-gradient(45deg, #eee 25%, transparent 25%), linear-gradient(-45deg, #eee 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #eee 75%), linear-gradient(-45deg, transparent 75%, #eee 75%); background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0; }

@media (max-width: 640px) {
    .sw-board span { font-size: 32px; }
    .jq-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}

/* ===== 图片编辑 / GIF 制作：分组面板与帧管理 ===== */
.ie-info {
    display: flex; flex-wrap: wrap; gap: 14px; margin: 8px 0 10px; padding: 8px 12px;
    background: var(--tb-surface-2); border: 1px solid var(--tb-border); border-radius: 8px;
    font-size: 12px; color: var(--tb-text-sub);
}
.ie-info b { color: var(--tb-text); font-weight: 600; }
.ie-info:empty { display: none; }

.ie-panels { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px; }
.ie-panel { border: 1px solid var(--tb-border); border-radius: 8px; background: var(--tb-surface); overflow: hidden; }
.ie-panel-h {
    padding: 7px 12px; font-size: 13px; font-weight: 600; color: var(--tb-text);
    background: var(--tb-surface-2); border-bottom: 1px solid var(--tb-border);
}
.ie-panel-b { padding: 8px 12px 10px; }
.ie-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 4px 0; }
.ie-row-k { width: 52px; flex-shrink: 0; font-size: 12px; color: var(--tb-text-sub); }
.ie-row input[type="range"] { width: 130px; }
.ie-val { font-size: 12px; color: var(--tb-text-sub); min-width: 40px; }
.ie-preset { margin: 0; }

/* GIF 参数与帧列表 */
.gf-params { display: flex; flex-wrap: wrap; gap: 14px; margin: 8px 0 6px; }
.gf-param { display: flex; align-items: center; gap: 6px; }
.gf-param label { font-size: 13px; color: var(--tb-text-sub); }
.gf-head { font-size: 12px; color: var(--tb-text-sub); margin: 6px 0 4px; }
.gf-head b { color: var(--tb-primary); }
.gf-list { display: flex; flex-wrap: wrap; gap: 8px; }
.gf-item:hover .gf-ops { opacity: 1; }
.gf-ops {
    position: absolute; right: 2px; bottom: 2px; display: flex; gap: 2px;
    opacity: 0; transition: opacity .15s;
}
.gf-ops .gf-op {
    background: rgba(0, 0, 0, .55); color: #fff; font-size: 12px; line-height: 16px;
    width: 16px; height: 16px; text-align: center; border-radius: 3px; cursor: pointer;
}
.gf-ops .gf-op:hover { background: var(--tb-primary); }

@media (max-width: 640px) {
    .ie-panels { grid-template-columns: 1fr; }
    .ie-row input[type="range"] { width: 110px; }
}