:root{
  /* 清爽 SaaS 风格（克制、干净、轻拟物） */
  --bg:#f6f8fc;
  --panel:#ffffff;
  --panel2:#f8fafc;
  --text:#0f172a;
  --muted:#64748b;
  --border:rgba(2,6,23,.08);
  --shadow:0 18px 48px rgba(2,6,23,.10);
  --shadow2:0 8px 18px rgba(2,6,23,.06);
  --accent:#2563eb;
  --accent2:#1d4ed8;
  --danger:#ef4444;
  --radius:14px;
  --radius2:12px;
}

*{ box-sizing:border-box; }

html,body{ height:100%; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(900px 520px at 8% -10%, rgba(37,99,235,.14) 0%, rgba(37,99,235,0) 60%),
    radial-gradient(900px 520px at 95% -10%, rgba(99,102,241,.10) 0%, rgba(99,102,241,0) 60%),
    var(--bg);
  color:var(--text);
}

.layout{
  display:flex;
  height:100vh;
  overflow:hidden;
}

.mobileMenuBtn{
  position:fixed;
  top:10px;
  left:10px;
  z-index:40;
  display:none;
  cursor:pointer;
  touch-action:manipulation;
}

/* 左侧 */
.sidebar{
  width:320px;
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.96));
  border-right:1px solid var(--border);
  backdrop-filter: blur(10px);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}

.sidebar.isCollapsed{
  width:64px;
}

.sidebarHeader{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 14px 10px;
  border-bottom:1px solid var(--border);
}

.iconBtn{
  width:36px;
  height:36px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#ffffff;
  color:var(--text);
  cursor:pointer;
  box-shadow: var(--shadow2);
  transition: transform .12s ease, background .12s ease, border-color .12s ease, box-shadow .12s ease;
}
.iconBtn:hover{
  border-color:rgba(37,99,235,.25);
  box-shadow: 0 12px 26px rgba(2,6,23,.10);
}
.iconBtn:active{ transform:scale(.98); }

.logoText{
  font-weight:780;
  letter-spacing:.2px;
}

.sidebar.isCollapsed .logoText{
  display:none;
}

.sidebarSearch{
  padding:10px 14px 12px;
  border-bottom:1px solid var(--border);
}
.sidebar.isCollapsed .sidebarSearch{
  display:none;
}

.searchInput{
  width:100%;
  height:38px;
  padding:0 12px;
  border-radius:12px;
  border:1px solid var(--border);
  outline:none;
  background:#ffffff;
  color:var(--text);
}
.searchInput:focus{
  border-color:rgba(37,99,235,.45);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

.menu{
  overflow:auto;
  padding:10px;
}

.sidebarAd{
  padding:10px 14px 12px;
  border-bottom:1px solid var(--border);
}
.sidebar.isCollapsed .sidebarAd{
  display:none;
}

.toolAd{
  margin: 0 4px 14px;
}
.adSlot{
  min-height: 80px;
  border:1px dashed rgba(15,23,42,.12);
  border-radius:12px;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}

.menuCategory{
  border:1px solid transparent;
  border-radius:12px;
  margin-bottom:8px;
}
.menuCategory:hover{
  border-color:rgba(15,23,42,.06);
  background:#ffffff;
}

.categoryBtn{
  width:100%;
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:flex-start;
  padding:10px 10px;
  background:transparent;
  color:var(--text);
  border:0;
  cursor:pointer;
  border-radius:12px;
}
.categoryBtn .chev{
  width:16px;
  flex:0 0 auto;
  display:flex;
  align-items:center;
  justify-content:center;
}
.categoryBtn .chev::before{
  content:"";
  width:16px;
  height:16px;
  border-radius:999px;
  background-color: rgba(2,6,23,.04);
  background-repeat:no-repeat;
  background-position:center;
  background-size:12px 12px;
  /* 控件风格：更粗的 caret */
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M4.5 2.5L7.9 6 4.5 9.5' fill='none' stroke='rgba(2,6,23,0.55)' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  transform: rotate(0deg);
  transition: transform .16s ease, background-color .16s ease, filter .16s ease;
}
.menuCategory.isOpen .categoryBtn .chev::before{
  transform: rotate(90deg);
  background-color: rgba(37,99,235,.10);
  filter: saturate(1.1);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M4.5 2.5L7.9 6 4.5 9.5' fill='none' stroke='rgba(29,78,216,0.85)' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.categoryBtn .catText{
  font-weight:700;
  font-size:13px;
  opacity:.95;
}

.toolList{
  display:none;
  padding:0 6px 8px 28px;
}
.menuCategory.isOpen .toolList{
  display:block;
}

.toolItem{
  width:100%;
  text-align:left;
  padding:7px 10px;
  margin:2px 0;
  border-radius:10px;
  border:1px solid transparent;
  background:transparent;
  color:#111827;
  cursor:pointer;
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
}
.toolItem:hover{
  background:rgba(37,99,235,.06);
  border-color:rgba(37,99,235,.22);
}
.toolItem:active{ transform:scale(.995); }
.toolItem.isActive{
  position:relative;
  background:rgba(37,99,235,.08);
  border-color:rgba(37,99,235,.28);
  color:var(--accent2);
}
.toolItem.isActive::before{
  content:"";
  position:absolute;
  left:-6px;
  top:8px;
  bottom:8px;
  width:3px;
  border-radius:999px;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
}

.sidebar.isCollapsed .menu{
  padding:10px 6px;
}
.sidebar.isCollapsed .categoryBtn .catText{
  display:none;
}
.sidebar.isCollapsed .toolList{
  display:none !important;
}

/* 右侧工作区 */
.workspace{
  flex:1;
  overflow:auto;
  padding:20px 24px;
}

/* 静态页面（关于/隐私/联系） */
.staticPage{
  max-width:960px;
  margin:0 auto;
  padding:24px 16px 40px;
}
.staticHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:20px;
}
.staticLogo{
  font-weight:750;
  font-size:18px;
  color:#111827;
  text-decoration:none;
}
.staticNav a{
  margin-left:12px;
  font-size:14px;
  color:var(--muted);
  text-decoration:none;
}
.staticNav a:hover{
  color:var(--accent2);
}
.staticMain h1{
  font-size:24px;
  font-weight:780;
  margin-bottom:12px;
}
.staticMain h2{
  font-size:18px;
  margin-top:18px;
  margin-bottom:8px;
}
.staticMain p,
.staticMain li{
  font-size:14px;
  line-height:1.6;
}

.emptyState{
  height:100%;
  display:grid;
  place-items:center;
  padding:24px;
  color:#111827;
}
.emptyTitle{
  font-size:22px;
  font-weight:820;
  margin-bottom:8px;
}
.emptyDesc{
  color:var(--muted);
  font-size:14px;
}
/* 左下角固定入口（侧边栏折叠也可用） */
.floatLinks{
  position:fixed;
  left:12px;
  bottom:12px;
  display:flex;
  flex-direction:column;
  gap:8px;
  z-index:50;
}
.floatBtn{
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid rgba(15,23,42,.10);
  background:rgba(255,255,255,.95);
  color:#111827;
  cursor:pointer;
  box-shadow: 0 14px 34px rgba(2,6,23,.12);
  transition: transform .12s ease, background .12s ease, border-color .12s ease, box-shadow .12s ease;
  display:grid;
  place-items:center;
  padding:0;
}
.floatBtn:hover{
  transform: translateY(-1px);
  background:#ffffff;
  border-color:rgba(37,99,235,.35);
  box-shadow: 0 18px 44px rgba(2,6,23,.16);
}
.floatIcon{
  width:20px;
  height:20px;
  fill: rgba(15,23,42,.78);
}
.floatBtn:hover .floatIcon{
  fill: var(--accent2);
}

/* 弹窗 */
.modalMask{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.36);
  display:none;
  align-items:center;
  justify-content:center;
  padding:18px;
  z-index:60;
}
.modalMask.open{
  display:flex;
}
.modal{
  width:min(920px, 100%);
  max-height:min(84vh, 760px);
  background:linear-gradient(180deg, #ffffff, #f9fafb);
  border:1px solid rgba(15,23,42,.10);
  border-radius:16px;
  box-shadow: 0 30px 80px rgba(15,23,42,.25);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.modalHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-bottom:1px solid rgba(15,23,42,.08);
  background: linear-gradient(180deg, rgba(37,99,235,.06), rgba(255,255,255,0));
}
.modalTitle{
  font-weight:850;
  font-size:14px;
}
.modalClose{
  width:34px;
  height:34px;
}
.modalBody{
  padding:16px 16px 18px;
  overflow:auto;
}

.toolPage{
  max-width:1200px;
  margin:0 auto;
}

.toolHeader{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  padding:8px 4px 12px;
}

.toolTitle{
  font-size:22px;
  font-weight:850;
  letter-spacing:.2px;
  margin:0;
}
.toolDesc{
  margin-top:6px;
  color:var(--muted);
  font-size:13px;
  line-height:1.45;
}
.toolSub{
  color:var(--muted);
  font-size:12px;
  border:1px solid rgba(2,6,23,.10);
  background:rgba(255,255,255,.85);
  padding:4px 10px;
  border-radius:999px;
}

.seoIntro{
  border:1px solid var(--border);
  background:var(--card);
  border-radius:14px;
  padding:12px 14px;
  margin:10px 0 12px;
  box-shadow: var(--shadow-sm);
}
.seoIntroRow{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:12px;
  align-items:start;
}
@media (max-width: 980px){
  .seoIntroRow{ grid-template-columns: 1fr; }
}
.seoH2{
  font-size:13px;
  margin:0 0 6px;
  color:var(--muted);
  font-weight:700;
}
.seoP{
  margin:0;
  color:var(--text);
  font-size:13px;
  line-height:1.6;
}
.seoPre{
  margin:0;
  padding:10px;
  border-radius:12px;
  border:1px solid var(--border);
  background: #f7f9ff;
  color:#1b2a4a;
  font-size:12px;
  line-height:1.55;
  max-height: 180px;
  overflow:auto;
}
.seoFaq{
  margin-top:10px;
}
.seoFaq > summary{
  cursor:pointer;
  color:var(--muted);
  font-size:13px;
  user-select:none;
}
.seoFaqBody{
  margin-top:10px;
  display:grid;
  gap:10px;
}
.seoQa{
  padding:10px;
  border:1px dashed rgba(2,6,23,.14);
  border-radius:12px;
  background: #fbfcff;
}
.seoQ{
  font-weight:700;
  font-size:13px;
  margin-bottom:4px;
}
.seoA{
  color:var(--muted);
  font-size:12.5px;
  line-height:1.6;
}

.toolBody{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
  align-items:stretch;
}

.panel{
  background: #ffffff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow: var(--shadow2);
  overflow:hidden;
  min-height:420px;
  display:flex;
  flex-direction:column;
}

.panelHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 14px;
  border-bottom:1px solid var(--border);
}
.panelTitle{
  font-weight:700;
  font-size:13px;
  color:var(--text);
}

.btnRow{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}

.btn{
  height:34px;
  padding:0 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#ffffff;
  color:var(--text);
  cursor:pointer;
  box-shadow: 0 8px 16px rgba(2,6,23,.05);
  transition: background .12s ease, border-color .12s ease, transform .05s ease, box-shadow .12s ease;
}
.btn:hover{
  background:rgba(37,99,235,.06);
  border-color:rgba(37,99,235,.25);
  box-shadow: 0 12px 24px rgba(2,6,23,.08);
}
.btn:active{ transform:scale(.99); }
.btn:disabled{
  opacity:.6;
  cursor:not-allowed;
}
.btn.primary{
  border-color:rgba(37,99,235,.45);
  background: linear-gradient(180deg, #2563eb, #1d4ed8);
  color:#f9fafb;
  box-shadow: 0 14px 30px rgba(37,99,235,.18);
}
.btn.primary:hover{
  background: linear-gradient(180deg, #1d4ed8, #1e40af);
}
.btn.ghost{
  background:transparent;
  box-shadow:none;
}
.btn.ghost:hover{
  background:rgba(2,6,23,.04);
}

.panelBody{
  padding:14px;
  flex:1;
  overflow:auto;
  display:flex;
  flex-direction:column;
  min-height:0;
  position:relative;
}

.inputs{
  display:flex;
  flex-direction:column;
  flex:1;
  min-height:0;
}

.field{
  margin-bottom:12px;
}
.inputs .field:last-child{
  flex:1;
  display:flex;
  flex-direction:column;
  min-height:0;
}
.inputs .field:last-child .textarea{
  flex:1;
  min-height:180px;
}
.labelRow{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  margin-bottom:8px;
}
.label{
  font-size:12px;
  color:rgba(2,6,23,.78);
  font-weight:650;
}
.hint{
  font-size:12px;
  color:var(--muted);
}

.tsExtras{
  margin-top:8px;
  display:flex;
  gap:8px;
  align-items:center;
}
.tsUnit{
  height:32px;
  border-radius:8px;
  border:1px solid var(--border);
  background:#f9fafb;
  padding:0 8px;
  font-size:12px;
}

.nowTicker{
  margin-top:14px;
  padding:12px 12px;
  border-radius:12px;
  border:1px dashed rgba(37,99,235,.35);
  background: linear-gradient(180deg, rgba(37,99,235,.08), rgba(37,99,235,.03));
}
.nowTitle{
  font-size:12px;
  color:var(--muted);
  font-weight:650;
  margin-bottom:8px;
}
.nowNums{
  display:grid;
  grid-template-columns: 1fr;
  gap:8px;
}
.nowRow{
  display:flex;
  align-items:center;
  gap:10px;
}
.nowLabel{
  display:inline-block;
  width:44px;
  font-size:12px;
  color:#64748b;
}
.nowValue{
  font-size:22px;
  font-weight:780;
  letter-spacing:.2px;
  color:#1d4ed8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  cursor:pointer;
  transition: transform .08s ease, color .12s ease;
}
.nowValue:hover{
  color:#2563eb;
  transform: translateY(-1px);
}
.btnCopyTs{
  height:30px;
  padding:0 10px;
  border-radius:10px;
  font-size:12px;
}
.nowHint{
  margin-top:8px;
  font-size:12px;
  color:var(--muted);
}
.regexFlags{
  margin-top:6px;
  display:flex;
  gap:10px;
  font-size:12px;
  color:var(--muted);
}
.regexFlags label{
  display:flex;
  align-items:center;
  gap:4px;
}
.regexFlags input{
  width:14px;
  height:14px;
}

.jsonTree{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
.jsonTree ul{
  list-style:none;
  padding-left:18px;
  margin:0;
}
.jsonTree .jsonNode{
  position:relative;
}
.jsonToggle{
  display:inline-block;
  width:14px;
  height:14px;
  margin-right:4px;
  vertical-align:middle;
  cursor:pointer;
  position:relative;
}
.jsonToggle::before{
  content:"";
  position:absolute;
  left:3px;
  top:3px;
  width:0;
  height:0;
  border-style:solid;
  border-width:4px 0 4px 6px;
  border-color:transparent transparent transparent #9ca3af;
  transform:rotate(90deg);
  transition: transform .16s ease, border-color .16s ease;
}
.jsonTree .jsonNode.collapsed > .jsonToggle::before{
  transform:rotate(0deg);
}
.jsonTree .jsonNode.collapsed>ul{
  display:none;
}
.jsonKey{
  color:#2563eb;
}
.jsonString{
  color:#16a34a;
}
.jsonNumber{
  color:#db2777;
}
.jsonBool{
  color:#ea580c;
}
.jsonNull{
  color:#6b7280;
}
.jsonBrace,
.jsonBracket{
  color:#111827;
}

.sqlChips{
  display:flex;
  gap:6px;
  align-items:center;
}
.chip{
  border-radius:999px;
  border:1px solid rgba(15,23,42,.16);
  background:#f9fafb;
  padding:4px 10px;
  font-size:12px;
  cursor:pointer;
}
.chip.active{
  border-color:rgba(37,99,235,.85);
  background:#2563eb;
  color:#f9fafb;
}
.chip.ghost{
  border-style:dashed;
}

/* Text Diff 专用 */
.diffPage{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.diffGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
  align-items:stretch;
}
.diffCol{
  display:flex;
  flex-direction:column;
  min-height:0;
}
.diffLabel{
  font-size:12px;
  color:var(--muted);
  margin-bottom:8px;
  font-weight:600;
}
.diffOutGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
  align-items:stretch;
  min-height:0;
}
.diffSummary{
  margin:0 0 10px;
  padding:8px 10px;
  border-radius:12px;
  font-size:13px;
  border:1px solid rgba(2,6,23,.08);
  background:#ffffff;
  color:var(--text);
}
.diffSummary.ok{
  border-color: rgba(34,197,94,.28);
  background: rgba(34,197,94,.06);
}
.diffSummary.warn{
  border-color: rgba(239,68,68,.22);
  background: rgba(239,68,68,.06);
}
.diffOut{
  white-space:pre;
  overflow:auto;
  padding:0;
}
.diffLine{
  display:flex;
  gap:10px;
  padding:2px 10px;
  border-bottom:1px dashed rgba(15,23,42,.06);
}
.diffNo{
  width:44px;
  flex:0 0 auto;
  color:#9ca3af;
  text-align:right;
}
.diffTxt{
  flex:1;
}
.diffEq{ background:transparent; }
.diffAdd{ background:rgba(34,197,94,.10); }
.diffDel{ background:rgba(239,68,68,.10); }
.diffEmpty{ background:rgba(148,163,184,.06); }
.diffEmptyState{
  padding:10px 12px;
  color:var(--muted);
}

@media (max-width: 980px){
  .diffGrid,
  .diffOutGrid{
    grid-template-columns: 1fr;
  }
}

.textarea{
  width:100%;
  min-height:260px;
  padding:10px 12px;
  border-radius:var(--radius2);
  border:1px solid var(--border);
  outline:none;
  background:#ffffff;
  color:var(--text);
  resize:vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:13px;
  line-height:1.45;
}
.textarea:focus{
  border-color:rgba(37,99,235,.45);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

.input{
  width:100%;
  height:40px;
  padding:0 12px;
  border-radius:var(--radius2);
  border:1px solid var(--border);
  outline:none;
  background:#ffffff;
  color:var(--text);
  font-size:13px;
}
.input:focus{
  border-color:rgba(37,99,235,.45);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

.output{
  width:100%;
  flex:1;
  min-height:180px;
  margin:0;
  padding:10px 12px;
  border-radius:var(--radius2);
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(2,6,23,.02), rgba(2,6,23,.01));
  color:var(--text);
  white-space:pre-wrap;
  word-break:break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:13px;
  line-height:1.45;
}
.output.isHtml{
  padding:8px 10px;
  white-space:normal;
}

/* 统计面板 */
.statsGrid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:10px;
}
.statCard{
  border:1px solid rgba(2,6,23,.08);
  background:#ffffff;
  border-radius:14px;
  padding:10px 12px;
}
.statLabel{
  font-size:12px;
  color:var(--muted);
  font-weight:700;
}
.statValue{
  margin-top:6px;
  font-size:20px;
  font-weight:900;
  color:var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
.statHint{
  margin-top:6px;
  font-size:12px;
  color:var(--muted);
}

@media (max-width: 980px){
  .statsGrid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* JSON Viewer：搜索条 */
.miniInput{
  flex:1;
  height:34px;
  padding:0 10px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#ffffff;
  color:var(--text);
  outline:none;
  font-size:13px;
}
.miniInputWide{
  min-width: 260px;
}

.jsonViewerBar{
  display:flex;
  gap:8px;
  align-items:center;
  margin-bottom:10px;
  position: sticky;
  top: 0;
  z-index: 6;
  padding: 10px 0 8px;
  background: linear-gradient(180deg, rgba(246,248,252,.98), rgba(246,248,252,.88));
  backdrop-filter: blur(8px);
}
.miniInput:focus{
  border-color:rgba(37,99,235,.45);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

.emptyInput{
  padding:10px 12px;
  border:1px dashed rgba(2,6,23,.12);
  border-radius:14px;
  background:rgba(2,6,23,.02);
  color:var(--muted);
  font-size:13px;
}

/* 当前时间戳工具输出 */
.nowBlock{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.nowRow2{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px solid rgba(2,6,23,.08);
  background:#ffffff;
  border-radius:16px;
}
.nowK{
  width:44px;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}
.nowV{
  flex:1;
  font-size:22px;
  font-weight:950;
  letter-spacing:.2px;
  color:var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
.nowMeta{
  padding:10px 12px;
  border:1px solid rgba(2,6,23,.08);
  background: linear-gradient(180deg, rgba(2,6,23,.02), rgba(2,6,23,.01));
  border-radius:16px;
}
.nowAuto{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:12px;
}

/* JSON Viewer：路径复制按钮 + 搜索过滤 */
.jsonCopyBtn{
  margin-left:6px;
  height:18px;
  width:18px;
  border-radius:6px;
  border:1px solid rgba(2,6,23,.10);
  background:#ffffff;
  cursor:pointer;
  padding:0;
  vertical-align:middle;
  opacity:.0;
  transition: opacity .12s ease, border-color .12s ease, background .12s ease, color .12s ease;
  display:inline-grid;
  place-items:center;
}
.jsonCopyBtn::before{
  content:"";
  width:12px;
  height:12px;
  background-repeat:no-repeat;
  background-position:center;
  background-size:12px 12px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='rgba(2,6,23,0.55)' d='M16 1H4a2 2 0 0 0-2 2v14h2V3h12V1Zm4 4H8a2 2 0 0 0-2 2v16h14a2 2 0 0 0 2-2V7a2 2 0 0 0-2-2Zm0 18H8V7h12v16Z'/%3E%3C/svg%3E");
}
.jsonTree li:hover > .jsonCopyBtn{
  opacity:1;
}
.jsonCopyBtn:hover{
  border-color:rgba(37,99,235,.28);
  background:rgba(37,99,235,.06);
}
.jsonCopyBtn.copied{
  border-color:rgba(34,197,94,.35);
  background:rgba(34,197,94,.10);
}
.jsonCopyBtn.copied::before{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='rgba(21,128,61,0.9)' d='M9 16.2 4.8 12 3.4 13.4 9 19 21 7 19.6 5.6Z'/%3E%3C/svg%3E");
}
.jsonTree li.isFocus{
  outline: 2px solid rgba(37,99,235,.28);
  outline-offset:2px;
}
.jsonTree li.isMatch{
  background:rgba(37,99,235,.06);
  border-radius:6px;
}
.jsonHit{
  background:rgba(37,99,235,.16);
  border-radius:4px;
}

/* JSON Validator：成功/失败提示 + 代码框 */
.statusOk{
  border-color: rgba(34,197,94,.45) !important;
  box-shadow: 0 0 0 4px rgba(34,197,94,.12);
}
.statusErr{
  border-color: rgba(239,68,68,.45) !important;
  box-shadow: 0 0 0 4px rgba(239,68,68,.10);
}
.statusMsg{
  font-size:12px;
  color:#b91c1c;
  margin-bottom:8px;
}
.statusTitle{
  font-size:12px;
  color:rgba(2,6,23,.78);
  font-weight:800;
  margin-bottom:8px;
}
.statusHint{
  font-size:12px;
  color:var(--muted);
  margin-bottom:10px;
}
.codeFrame{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:13px;
}
.plainFrame{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:13px;
}
.plainLine{
  padding:2px 0;
}
.plainTxt{
  white-space:pre;
}
.codeLine{
  display:flex;
  gap:8px;
  padding:2px 0;
}
.codeNo{
  width:40px;
  text-align:right;
  color:#9ca3af;
}
.codeSep{
  color:#cbd5e1;
}
.codeTxt{
  flex:1;
  white-space:pre;
}
.hlErr{
  background: rgba(239,68,68,.10);
  border-radius:8px;
}
.codeMore{
  margin-top:8px;
  color:var(--muted);
  font-size:12px;
}

/* JSON 选项条 */
.jsonOptions{
  display:flex;
  gap:14px;
  align-items:center;
  padding:10px 12px 0;
  margin:-14px -14px 12px;
  border-bottom:1px solid rgba(2,6,23,.06);
  background: linear-gradient(180deg, rgba(2,6,23,.02), rgba(2,6,23,0));
}
.jsonOptions .opt{
  display:flex;
  gap:8px;
  align-items:center;
  font-size:12px;
  color:var(--muted);
}
.jsonOptions select{
  height:30px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#ffffff;
  padding:0 8px;
  font-size:12px;
  color:var(--text);
}

/* 文本按行工具选项条（复用 opt 样式） */
.textLineOptions{
  display:flex;
  gap:14px;
  align-items:center;
  padding:10px 12px 0;
  margin:-14px -14px 12px;
  border-bottom:1px solid rgba(2,6,23,.06);
  background: linear-gradient(180deg, rgba(2,6,23,.02), rgba(2,6,23,0));
}
.textLineOptions .opt{
  display:flex;
  gap:8px;
  align-items:center;
  font-size:12px;
  color:var(--muted);
}
.textLineOptions select{
  height:30px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#ffffff;
  padding:0 8px;
  font-size:12px;
  color:var(--text);
}

.miniSummary{
  margin-bottom:10px;
  font-size:12px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.miniSummary .sep{
  opacity:.7;
}

/* 编码/解码选项条（复用 opt 样式） */
.encodeOptions{
  display:flex;
  gap:14px;
  align-items:center;
  padding:10px 12px 0;
  margin:-14px -14px 12px;
  border-bottom:1px solid rgba(2,6,23,.06);
  background: linear-gradient(180deg, rgba(2,6,23,.02), rgba(2,6,23,0));
}
.encodeOptions .opt{
  display:flex;
  gap:8px;
  align-items:center;
  font-size:12px;
  color:var(--muted);
}

.encodeLineOptions{
  display:flex;
  gap:14px;
  align-items:center;
  padding:10px 12px 0;
  margin:-14px -14px 12px;
  border-bottom:1px solid rgba(2,6,23,.06);
  background: linear-gradient(180deg, rgba(2,6,23,.02), rgba(2,6,23,0));
}
.encodeLineOptions .opt{
  display:flex;
  gap:8px;
  align-items:center;
  font-size:12px;
  color:var(--muted);
}

/* 小数字输入 */
.miniNum{
  width:76px;
  height:30px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#ffffff;
  padding:0 8px;
  font-size:12px;
  color:var(--text);
}

/* UUID/密码选项条（复用） */
.uuidOptions,
.pwdOptions{
  display:flex;
  gap:14px;
  align-items:center;
  padding:10px 12px 0;
  margin:-14px -14px 12px;
  border-bottom:1px solid rgba(2,6,23,.06);
  background: linear-gradient(180deg, rgba(2,6,23,.02), rgba(2,6,23,0));
}
.uuidOptions .opt,
.pwdOptions .opt{
  display:flex;
  gap:8px;
  align-items:center;
  font-size:12px;
  color:var(--muted);
}

.colorSwatchRow{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px solid rgba(2,6,23,.08);
  background:#ffffff;
  border-radius:16px;
}
.colorSwatch{
  width:32px;
  height:32px;
  border-radius:10px;
  border:1px solid rgba(2,6,23,.10);
}

/* Regex 预览 */
.reGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.reCol{
  border:1px solid rgba(2,6,23,.08);
  border-radius:14px;
  background:#ffffff;
  padding:10px 10px;
  min-height:240px;
  display:flex;
  flex-direction:column;
}
.rePreview{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:13px;
  line-height:1.45;
  white-space:pre-wrap;
  word-break:break-word;
}
.reMark{
  background: rgba(37,99,235,.16);
  color: inherit;
  border-radius:6px;
  padding:0 2px;
}
@media (max-width: 980px){
  .reGrid{
    grid-template-columns: 1fr;
  }
}

.htmlOutGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.htmlCol{
  border:1px solid rgba(2,6,23,.08);
  border-radius:14px;
  background:#ffffff;
  padding:10px 10px;
  min-height:240px;
  display:flex;
  flex-direction:column;
}
.htmlPreview{
  width:100%;
  flex:1;
  border:1px solid rgba(2,6,23,.08);
  border-radius:12px;
  background:#ffffff;
}
@media (max-width: 980px){
  .htmlOutGrid{
    grid-template-columns: 1fr;
  }
}

/* JWT 结构化展示 */
.jwtGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
  margin-bottom:10px;
}
.jwtCol{
  border:1px solid rgba(2,6,23,.08);
  border-radius:14px;
  background:#ffffff;
  padding:10px 10px;
}
.jwtSig{
  border:1px solid rgba(2,6,23,.08);
  border-radius:14px;
  background:#ffffff;
  padding:10px 10px;
}
.jwtLabel{
  font-size:12px;
  color:var(--muted);
  font-weight:800;
  margin-bottom:8px;
}
@media (max-width: 980px){
  .jwtGrid{
    grid-template-columns: 1fr;
  }
}

/* 时间工具：键值表 */
.kvTable{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.kvRow{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px solid rgba(2,6,23,.08);
  background:#ffffff;
  border-radius:16px;
}
.kvKey{
  width:110px;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}
.kvVal{
  flex:1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:13px;
  color:var(--text);
}
.kvCopy{
  height:30px;
}

/* 倒计时大数字 */
.countdownBig{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin-bottom:10px;
}
.cdNum{
  padding:10px 12px;
  border-radius:16px;
  border:1px solid rgba(2,6,23,.08);
  background:#ffffff;
  font-weight:950;
  font-size:22px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
.countdownBig.reached .cdNum{
  border-color: rgba(34,197,94,.28);
  background: rgba(34,197,94,.06);
}

/* 响应式 */
@media (max-width: 980px){
  .mobileMenuBtn{
    display:block;
  }
  body.sidebarCollapsed .mobileMenuBtn{
    /* 收起时更明显一点位置，不挡内容 */
    top:10px;
    left:10px;
  }
  body:not(.sidebarCollapsed) .mobileMenuBtn{
    /* 侧边栏展开时按钮还能用于再次收起 */
    top:10px;
    left:10px;
  }
  /* 手机端隐藏侧边栏内部的菜单按钮，只保留左上角那个 */
  #sidebarToggle{
    display:none !important;
  }
  .toolBody{
    grid-template-columns: 1fr;
  }
  .sidebar{
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    z-index:20;
    transform: translateX(0);
    transition: transform .18s ease;
  }
  body.sidebarCollapsed .sidebar{
    transform: translateX(-100%);
  }
  .workspace{
    padding:14px;
    margin-left:0;
  }
}