/* ===== 工具箱 Toolbox ===== */
:root {
  --tb-max: 1180px;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
}

body.tb-body { background: #f5f7fb; }

/* ---------- 顶栏 ---------- */
.tb-head {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 14px;
  padding: 12px 22px;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.tb-brand { display: flex; align-items: center; gap: 9px; font-size: 16px; font-weight: 700; color: var(--text); }
.tb-brand .mark {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), #7a5cf0);
  color: #fff; font-size: 15px; box-shadow: 0 3px 10px rgba(79,110,242,.35);
}
.tb-brand small { font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: .4px; }
.tb-back {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 12px; border-radius: 9px; border: 1px solid var(--border);
  background: #fff; color: var(--muted); font-size: 13px; transition: all .16s;
}
.tb-back:hover { color: var(--primary); border-color: var(--primary); }
.tb-search { flex: 1; max-width: 380px; margin-left: auto; position: relative; }
.tb-search input {
  padding-left: 34px; background: #fff; border-radius: 10px;
}
.tb-search::before {
  content: "🔍"; position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  font-size: 12px; opacity: .55; pointer-events: none;
}
.tb-head .btn { flex-shrink: 0; }

/* ---------- 主体 ---------- */
.tb-main { max-width: var(--tb-max); margin: 0 auto; padding: 26px 22px 60px; }

/* ---------- 分类胶囊 ---------- */
.tb-cats {
  display: flex; flex-wrap: wrap; gap: 8px;
  position: sticky; z-index: 25;
  margin: 0 0 18px; padding: 10px 2px 12px;
  background: #f5f7fb;
  box-shadow: 0 8px 10px -12px rgba(30, 41, 59, .18);
}
.tb-cat {
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: #fff; color: var(--muted); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all .16s; user-select: none;
}
.tb-cat:hover { border-color: var(--primary); color: var(--primary); }
.tb-cat.active {
  background: linear-gradient(135deg, var(--primary), #7a5cf0);
  border-color: transparent; color: #fff; box-shadow: 0 3px 10px rgba(79,110,242,.3);
}

/* ---------- 工具卡片 ---------- */
.tb-section-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--muted);
  margin: 26px 0 12px; letter-spacing: .3px;
}
.tb-section-title::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.tb-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}
.tb-card {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 15px 16px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(20,30,60,.04);
  cursor: pointer; transition: all .18s; position: relative; overflow: hidden;
}
.tb-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  border: 1.5px solid transparent; transition: border-color .18s; pointer-events: none;
}
.tb-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.tb-card:hover::after { border-color: color-mix(in srgb, var(--primary) 45%, transparent); }
.tb-card .ic {
  width: 38px; height: 38px; border-radius: 11px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 17px;
  background: color-mix(in srgb, var(--primary) 10%, #fff);
  color: var(--primary); border: 1px solid color-mix(in srgb, var(--primary) 16%, transparent);
}
.tb-card .tx { min-width: 0; }
.tb-card .tx b { display: block; font-size: 14px; font-weight: 600; margin-bottom: 3px; }
.tb-card .tx span { display: block; font-size: 12px; color: var(--muted); line-height: 1.55; }
.tb-card .tag {
  position: absolute; top: 10px; right: 12px;
  font-size: 10px; padding: 2px 6px; border-radius: 5px;
  background: color-mix(in srgb, var(--primary) 12%, #fff); color: var(--primary);
}
.tb-card.wide { grid-column: span 2; }
.tb-card.form-card .ic { background: linear-gradient(135deg, #4f6ef2, #7a5cf0); color: #fff; border: none; }
.tb-empty { padding: 50px 0; text-align: center; color: var(--muted); font-size: 13px; }

/* ---------- 工具页 ---------- */
.tool-wrap { max-width: 1040px; margin: 0 auto; padding: 22px 22px 60px; }
.tool-hd { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.tool-hd .ic {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  font-size: 19px; background: color-mix(in srgb, var(--primary) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--primary) 16%, transparent);
}
.tool-hd h2 { font-size: 19px; letter-spacing: -.3px; }
.tool-hd p { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

.tool-panel { display: flex; flex-direction: column; gap: 14px; margin-top: 18px; }
.tool-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px;
}
.tool-card > h4 {
  font-size: 12px; font-weight: 600; color: var(--muted);
  letter-spacing: .4px; text-transform: uppercase; margin-bottom: 10px;
}
.tool-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.tool-row .grow { flex: 1; min-width: 150px; }
.tool-field { display: flex; flex-direction: column; gap: 5px; }
.tool-field label { font-size: 11.5px; color: var(--muted); font-weight: 500; }
.tool-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 780px) { .tool-cols { grid-template-columns: 1fr; } }

.tool-panel textarea, .tool-panel .mono {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.65;
  background: #fbfcfe; border-color: var(--border);
}
.tool-panel textarea { min-height: 168px; }
.tool-out {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.65;
  background: #fbfcfe; border: 1.5px solid var(--border); border-radius: 10px;
  padding: 11px 12px; min-height: 168px; white-space: pre-wrap; word-break: break-all;
  overflow: auto; color: var(--text);
}
.tool-out.ok { border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); background: #f4fbf6; }
.tool-out.err { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); background: #fef6f6; color: #a01616; }
.tool-hint { font-size: 12px; color: var(--muted); line-height: 1.7; }
.tool-hint code {
  font-family: var(--mono); font-size: 11.5px; background: #eef1f7;
  padding: 1px 5px; border-radius: 4px; color: #3d4761;
}
.tool-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { font-family: var(--mono); font-size: 12.5px; word-break: break-all; }

/* 结果表格 */
.tb-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tb-table th, .tb-table td { padding: 7px 10px; border-bottom: 1px solid var(--border); text-align: left; }
.tb-table th { color: var(--muted); font-weight: 600; font-size: 11.5px; background: #f8fafd; }
.tb-table td.num { text-align: right; font-family: var(--mono); }
.tb-table tr:last-child td { border-bottom: none; }

/* 徽标 */
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 600;
  background: #eef1f7; color: #4b5670;
}
.chip.ok { background: #e6f7ec; color: #0b7a43; }
.chip.warn { background: #fff4e5; color: #a85c00; }
.chip.err { background: #feeceb; color: #b3241d; }

/* diff 视图 */
.diff-view {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.6;
  border: 1.5px solid var(--border); border-radius: 10px; overflow: auto; max-height: 420px;
  background: #fbfcfe;
}
.diff-line { display: flex; padding: 1px 10px; white-space: pre-wrap; word-break: break-all; }
.diff-line .no { flex: 0 0 42px; color: #9aa3b5; user-select: none; }
.diff-line.add { background: #eaf8ef; }
.diff-line.add .no { color: #0b7a43; }
.diff-line.del { background: #fdecea; }
.diff-line.del .no { color: #b3241d; }
.diff-line.eq { color: #5c6577; }

/* 正则高亮 */
.hl-box {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.7;
  border: 1.5px solid var(--border); border-radius: 10px; padding: 11px 12px;
  background: #fbfcfe; white-space: pre-wrap; word-break: break-all; max-height: 320px; overflow: auto;
}
.hl-box mark { background: #ffe9a8; color: #7a4a00; border-radius: 3px; padding: 0 1px; }

/* 颜色预览 */
.swatch { width: 100%; height: 84px; border-radius: 10px; border: 1px solid var(--border); }

/* 评分/星级沿用 style.css */

/* 移动端 */
@media (max-width: 620px) {
  .tb-head { padding: 10px 14px; gap: 9px; flex-wrap: wrap; }
  .tb-search { order: 3; flex: 1 1 100%; max-width: none; margin-left: 0; }
  .tb-main, .tool-wrap { padding: 18px 14px 50px; }
  .tb-hero h1 { font-size: 22px; }
  .tb-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .tb-card { padding: 12px; flex-direction: column; gap: 8px; }
  .tb-card .ic { width: 34px; height: 34px; font-size: 15px; }
  .tb-card .tx span { display: none; }
  .tb-card.wide { grid-column: span 2; flex-direction: row; }
}