/* ============================================================
   ToolBox — 工具页样式（整合进 DevHub）
   命名空间：.toolbox-wrapper，避免与 Tailwind 冲突
   ============================================================ */

/* CSS 变量（亮色） */
.toolbox-wrapper {
  --tb-bg: #f6f7fb;
  --tb-bg-card: #ffffff;
  --tb-bg-soft: #eef0f6;
  --tb-border: #e2e5ee;
  --tb-text: #1f2430;
  --tb-text-soft: #5b6472;
  --tb-text-faint: #8b93a3;
  --tb-primary: #0284c7;
  --tb-primary-hover: #0369a1;
  --tb-primary-soft: #e0f2fe;
  --tb-success: #16a34a;
  --tb-danger: #dc2626;
  --tb-warning: #d97706;
  --tb-radius: 12px;
  --tb-radius-sm: 8px;
  --tb-shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .05);
  --tb-shadow-lg: 0 8px 30px rgba(15, 23, 42, .10);
  --tb-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

/* 深色模式变量 */
.dark .toolbox-wrapper {
  --tb-bg: #0f1117;
  --tb-bg-card: #171a23;
  --tb-bg-soft: #1e222d;
  --tb-border: #2a2f3d;
  --tb-text: #e6e9f0;
  --tb-text-soft: #a3abbb;
  --tb-text-faint: #6d7686;
  --tb-primary: #38bdf8;
  --tb-primary-hover: #7dd3fc;
  --tb-primary-soft: #232842;
  --tb-shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .3);
  --tb-shadow-lg: 0 8px 30px rgba(0, 0, 0, .5);
}

.toolbox-wrapper {
  color: var(--tb-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

.toolbox-wrapper a { color: var(--tb-primary); text-decoration: none; }
.toolbox-wrapper a:hover { text-decoration: underline; }

/* ---------- 布局 ---------- */
.toolbox-wrapper .tb-container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.toolbox-wrapper main.tb-container { padding-top: 28px; padding-bottom: 48px; }

/* ---------- 面包屑 ---------- */
.toolbox-wrapper .breadcrumb { font-size: 13.5px; color: var(--tb-text-faint); margin-bottom: 14px; }
.toolbox-wrapper .breadcrumb a { color: var(--tb-text-faint); }
.toolbox-wrapper .breadcrumb a:hover { color: var(--tb-primary); }
.toolbox-wrapper .breadcrumb span[aria-current] { color: var(--tb-text-soft); }

/* ---------- 首页 Hero ---------- */
.toolbox-wrapper .hero { text-align: center; padding: 44px 0 30px; }
.toolbox-wrapper .hero h1 { font-size: clamp(26px, 4.5vw, 40px); margin: 0 0 12px; letter-spacing: -.5px; }
.toolbox-wrapper .hero p { color: var(--tb-text-soft); font-size: 17px; max-width: 640px; margin: 0 auto; }
.toolbox-wrapper .hero .badges { display: flex; gap: 10px; justify-content: center; margin-top: 18px; flex-wrap: wrap; }
.toolbox-wrapper .badge {
  font-size: 13px; color: var(--tb-text-soft); background: var(--tb-bg-card);
  border: 1px solid var(--tb-border); padding: 4px 12px; border-radius: 999px;
}

/* ---------- 搜索框 ---------- */
.toolbox-wrapper .search-wrap { max-width: 560px; margin: 26px auto 8px; position: relative; }
.toolbox-wrapper .search-wrap input {
  width: 100%; padding: 13px 16px 13px 44px; font-size: 15.5px;
  border: 1.5px solid var(--tb-border); border-radius: 999px; outline: none;
  background: var(--tb-bg-card); color: var(--tb-text); transition: border-color .2s, box-shadow .2s;
}
.toolbox-wrapper .search-wrap input:focus { border-color: var(--tb-primary); box-shadow: 0 0 0 4px var(--tb-primary-soft); }
.toolbox-wrapper .search-wrap .search-icon {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--tb-text-faint); font-size: 16px; pointer-events: none;
}

/* ---------- 分类与工具卡片 ---------- */
.toolbox-wrapper .category-section { margin-top: 34px; }
.toolbox-wrapper .category-title { font-size: 20px; margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.toolbox-wrapper .tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.toolbox-wrapper .tool-card {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--tb-bg-card); border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius); padding: 18px;
  color: var(--tb-text); transition: transform .15s, box-shadow .15s, border-color .15s;
  position: relative;
}
.toolbox-wrapper .tool-card:hover { transform: translateY(-3px); box-shadow: var(--tb-shadow-lg); border-color: var(--tb-primary); text-decoration: none; }
.toolbox-wrapper .tool-card .icon { font-size: 17px; font-weight: 700; line-height: 30px; height: 30px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--tb-primary); letter-spacing: .5px; }
.toolbox-wrapper .tool-card h3 { margin: 4px 0 0; font-size: 16px; }
.toolbox-wrapper .tool-card p { margin: 0; font-size: 13.5px; color: var(--tb-text-soft); line-height: 1.55; }
.toolbox-wrapper .fav-btn {
  position: absolute; top: 10px; right: 10px; background: none; border: none;
  cursor: pointer; font-size: 17px; color: var(--tb-text-faint); padding: 4px; line-height: 1;
  opacity: .55; transition: opacity .15s, transform .15s;
}
.toolbox-wrapper .fav-btn:hover { opacity: 1; transform: scale(1.15); }
.toolbox-wrapper .fav-btn.active { opacity: 1; color: #f59e0b; }
.toolbox-wrapper .no-result { text-align: center; color: var(--tb-text-faint); padding: 40px 0; display: none; }

/* 收藏栏 */
.toolbox-wrapper .fav-bar {
  display: none; margin-top: 18px; padding: 14px 16px;
  background: var(--tb-primary-soft); border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius); font-size: 14px;
}
.toolbox-wrapper .fav-bar.show { display: block; }
.toolbox-wrapper .fav-bar a { margin-right: 14px; white-space: nowrap; display: inline-block; }

/* ---------- 工具页 ---------- */
.toolbox-wrapper .page-head { margin-bottom: 20px; }
.toolbox-wrapper .page-head h1 { font-size: clamp(22px, 3.5vw, 30px); margin: 0 0 8px; letter-spacing: -.3px; }
.toolbox-wrapper .page-head .tool-intro { color: var(--tb-text-soft); margin: 0; max-width: 760px; }

.toolbox-wrapper .tool-card-panel {
  background: var(--tb-bg-card); border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius); padding: 22px; box-shadow: var(--tb-shadow);
}

/* 表单控件 */
.toolbox-wrapper textarea,
.toolbox-wrapper input[type="text"],
.toolbox-wrapper input[type="number"],
.toolbox-wrapper input[type="url"],
.toolbox-wrapper input[type="password"],
.toolbox-wrapper select {
  width: 100%; padding: 10px 12px; font-size: 14.5px;
  border: 1.5px solid var(--tb-border); border-radius: var(--tb-radius-sm);
  background: var(--tb-bg); color: var(--tb-text); outline: none;
  transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}
.toolbox-wrapper textarea { font-family: var(--tb-font-mono); resize: vertical; min-height: 140px; line-height: 1.6; }
.toolbox-wrapper textarea:focus,
.toolbox-wrapper input:focus,
.toolbox-wrapper select:focus { border-color: var(--tb-primary); box-shadow: 0 0 0 3px var(--tb-primary-soft); }
.toolbox-wrapper textarea.mono,
.toolbox-wrapper input.mono { font-family: var(--tb-font-mono); }
.toolbox-wrapper label { display: block; font-size: 14px; font-weight: 600; margin: 0 0 6px; color: var(--tb-text-soft); }
.toolbox-wrapper .field { margin-bottom: 16px; }
.toolbox-wrapper .field-row { display: flex; gap: 12px; flex-wrap: wrap; }
.toolbox-wrapper .field-row .field { flex: 1; min-width: 160px; }

.toolbox-wrapper .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px; font-size: 14.5px; font-weight: 600;
  border: none; border-radius: var(--tb-radius-sm); cursor: pointer;
  background: var(--tb-primary); color: #fff; transition: background .15s, transform .1s;
  font-family: inherit;
}
.toolbox-wrapper .btn:hover { background: var(--tb-primary-hover); }
.dark .toolbox-wrapper .btn:hover { background: #6366f1; }
.toolbox-wrapper .btn:active { transform: scale(.97); }
.toolbox-wrapper .btn.secondary { background: var(--tb-bg-soft); color: var(--tb-text); border: 1px solid var(--tb-border); }
.toolbox-wrapper .btn.secondary:hover { border-color: var(--tb-primary); color: var(--tb-primary); background: var(--tb-bg-soft); }
.toolbox-wrapper .btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }

/* 状态提示 */
.toolbox-wrapper .alert { padding: 11px 14px; border-radius: var(--tb-radius-sm); font-size: 14px; margin: 12px 0; display: none; }
.toolbox-wrapper .alert.show { display: block; }
.toolbox-wrapper .alert.success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.toolbox-wrapper .alert.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.toolbox-wrapper .alert.info { background: var(--tb-primary-soft); color: var(--tb-primary); border: 1px solid var(--tb-border); }
.dark .toolbox-wrapper .alert.success { background: #0d2417; color: #4ade80; }
.dark .toolbox-wrapper .alert.error { background: #2a1214; color: #f87171; }

/* 结果区 */
.toolbox-wrapper .result-box {
  background: var(--tb-bg); border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius-sm); padding: 14px; font-family: var(--tb-font-mono);
  font-size: 14px; white-space: pre-wrap; word-break: break-all;
  min-height: 60px; line-height: 1.6;
}
.toolbox-wrapper .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-top: 14px; }
.toolbox-wrapper .stat-item { background: var(--tb-bg); border: 1px solid var(--tb-border); border-radius: var(--tb-radius-sm); padding: 12px; text-align: center; }
.toolbox-wrapper .stat-item .num { font-size: 22px; font-weight: 700; color: var(--tb-primary); font-family: var(--tb-font-mono); }
.toolbox-wrapper .stat-item .lbl { font-size: 12.5px; color: var(--tb-text-soft); margin-top: 2px; }

/* 二维码 / 图片预览 */
.toolbox-wrapper .canvas-wrap { display: flex; justify-content: center; padding: 16px; background: var(--tb-bg); border: 1px solid var(--tb-border); border-radius: var(--tb-radius-sm); min-height: 120px; align-items: center; }
.toolbox-wrapper .canvas-wrap img,
.toolbox-wrapper .canvas-wrap canvas { max-width: 100%; border-radius: 6px; }

/* ---------- SEO 内容区 ---------- */
.toolbox-wrapper .seo-content {
  margin-top: 36px; background: var(--tb-bg-card); border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius); padding: 26px 28px;
}
.toolbox-wrapper .seo-content h2 { font-size: 21px; margin: 30px 0 12px; padding-top: 8px; }
.toolbox-wrapper .seo-content h2:first-child { margin-top: 0; }
.toolbox-wrapper .seo-content h3 { font-size: 16.5px; margin: 20px 0 8px; }
.toolbox-wrapper .seo-content p,
.toolbox-wrapper .seo-content li { color: var(--tb-text-soft); font-size: 15px; }
.toolbox-wrapper .seo-content ul,
.toolbox-wrapper .seo-content ol { padding-left: 22px; }
.toolbox-wrapper .seo-content li { margin-bottom: 6px; }
.toolbox-wrapper .seo-content code {
  background: var(--tb-bg-soft); padding: 2px 6px; border-radius: 5px;
  font-family: var(--tb-font-mono); font-size: 13.5px; color: var(--tb-text);
}
.toolbox-wrapper .seo-content pre { background: var(--tb-bg-soft); padding: 14px; border-radius: var(--tb-radius-sm); overflow-x: auto; }
.toolbox-wrapper .seo-content pre code { background: none; padding: 0; }
.toolbox-wrapper .seo-content table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; }
.toolbox-wrapper .seo-content th,
.toolbox-wrapper .seo-content td { border: 1px solid var(--tb-border); padding: 8px 12px; text-align: left; }
.toolbox-wrapper .seo-content th { background: var(--tb-bg-soft); }

/* FAQ 折叠 */
.toolbox-wrapper .faq-item { border: 1px solid var(--tb-border); border-radius: var(--tb-radius-sm); margin-bottom: 10px; background: var(--tb-bg); }
.toolbox-wrapper .faq-item summary {
  padding: 13px 16px; cursor: pointer; font-weight: 600; font-size: 15px; color: var(--tb-text);
  list-style: none; position: relative; padding-right: 40px;
}
.toolbox-wrapper .faq-item summary::-webkit-details-marker { display: none; }
.toolbox-wrapper .faq-item summary::after {
  content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-size: 20px; color: var(--tb-text-faint); font-weight: 400;
}
.toolbox-wrapper .faq-item[open] summary::after { content: "−"; }
.toolbox-wrapper .faq-item .faq-a { padding: 0 16px 14px; color: var(--tb-text-soft); font-size: 14.5px; }

/* ---------- 引流 CTA 区块 ---------- */
.toolbox-wrapper .toolbox-cta {
  margin-top: 26px; padding: 20px 24px;
  background: linear-gradient(135deg, var(--tb-primary-soft), var(--tb-bg-card));
  border: 1px solid var(--tb-border); border-radius: var(--tb-radius);
}
.toolbox-wrapper .toolbox-cta h3 { font-size: 17px; margin: 0 0 14px; }
.toolbox-wrapper .toolbox-cta .cta-grid { display: flex; gap: 16px; flex-wrap: wrap; }
.toolbox-wrapper .toolbox-cta .cta-link {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; background: var(--tb-bg-card);
  border: 1px solid var(--tb-border); border-radius: var(--tb-radius-sm);
  color: var(--tb-text); font-size: 14.5px; transition: border-color .15s, box-shadow .15s;
}
.toolbox-wrapper .toolbox-cta .cta-link:hover { border-color: var(--tb-primary); box-shadow: var(--tb-shadow); text-decoration: none; }
.toolbox-wrapper .toolbox-cta .cta-icon { font-size: 20px; }

/* ---------- 相关工具 ---------- */
.toolbox-wrapper .related-tools { margin-top: 30px; }
.toolbox-wrapper .related-tools h2 { font-size: 18px; margin-bottom: 12px; }
.toolbox-wrapper .related-list { display: flex; flex-wrap: wrap; gap: 10px; }
.toolbox-wrapper .related-list a {
  background: var(--tb-bg-card); border: 1px solid var(--tb-border); border-radius: 999px;
  padding: 7px 16px; font-size: 14px; color: var(--tb-text-soft);
}
.toolbox-wrapper .related-list a:hover { border-color: var(--tb-primary); color: var(--tb-primary); text-decoration: none; }

/* ---------- 高亮代码容器 ---------- */
.toolbox-wrapper pre.code-view {
  background: var(--tb-bg-soft); border: 1px solid var(--tb-border); border-radius: var(--tb-radius-sm);
  padding: 14px; overflow: auto; font-family: var(--tb-font-mono); font-size: 13.5px; line-height: 1.6;
  max-height: 480px; margin: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .toolbox-wrapper .tool-card-panel { padding: 16px; }
  .toolbox-wrapper .seo-content { padding: 18px 16px; }
  .toolbox-wrapper .hero { padding: 30px 0 20px; }
  .toolbox-wrapper .toolbox-cta .cta-grid { flex-direction: column; }
}