:root{
  --bg:#f7f7f8; --panel:#fff; --text:#111; --muted:#6b7280;
  --border:#e5e7eb; --accent:#111827; --accent2:#0ea5e9;
  --ok:#16a34a; --err:#ef4444; --warn:#f59e0b;
  --sb:#fbfbfc;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,system-ui,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.shell{display:flex;min-height:100vh}
.sidebar{
  width:270px;background:var(--sb);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh
}
.sb-top{padding:16px;border-bottom:1px solid var(--border)}
.brand{display:flex;gap:10px;align-items:center;font-weight:700}
.brand-dot{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:var(--accent);color:#fff;font-size:12px}
.brand-txt{letter-spacing:.2px}
.sb-user{margin-top:12px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.sb-user-name{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sb-link{font-size:12px;color:var(--accent2)}
.sb-nav{padding:10px;display:flex;flex-direction:column;gap:4px}
.sb-item{padding:10px 10px;border-radius:8px;font-size:14px;color:#111}
.sb-item:hover{background:#f3f4f6}
.sb-item.active{background:#eef2ff;border:1px solid #e0e7ff}
.sb-bottom{margin-top:auto;padding:14px;border-top:1px solid var(--border)}
.kbd-hint{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:12px}
.kbd{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;padding:2px 6px;background:#fff;font-size:11px}

.main{flex:1;padding:18px;max-width:1200px;margin:0 auto;width:100%}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
h1{margin:0;font-size:22px}
h2{margin:0;font-size:15px}
.muted{color:var(--muted)}
.tiny{font-size:11px}
.row{display:flex;align-items:center}
.gap{gap:8px}

.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.panel-head{padding:12px 14px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:10px}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:13px;vertical-align:top}
.table th{font-size:12px;color:var(--muted);font-weight:600;background:#fafafa}
.table tr:hover td{background:#fafafa}
.table tr.active td{background:#eef2ff}

.btn{border:1px solid var(--border);background:#fff;border-radius:10px;padding:9px 12px;font-size:13px;cursor:pointer}
.btn:hover{background:#f9fafb}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.05)}

.input,.select,.textarea{
  border:1px solid var(--border);background:#fff;border-radius:10px;
  padding:9px 10px;font-size:13px;outline:none
}
.input:focus,.textarea:focus,.select:focus{border-color:#c7d2fe;box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.select{padding-right:28px}
.textarea{width:100%;min-height:420px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;line-height:1.5}

.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px}
.card .k{color:var(--muted);font-size:12px}
.card .v{font-size:22px;font-weight:700;margin-top:2px}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.timeline{padding:8px 10px}
.tl-item{padding:10px;border-bottom:1px solid var(--border)}
.tl-item[data-has-payload="1"]{cursor:pointer}
.tl-item.hl{background:#fff7ed}
.tl-top{display:flex;justify-content:space-between;gap:10px}
.badge{font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--border);background:#fff}
.badge.ok{border-color:#bbf7d0;color:#15803d}
.badge.err{border-color:#fecaca;color:#b91c1c}
.badge.warn{border-color:#fde68a;color:#92400e}
.badge.info{border-color:#bae6fd;color:#075985}
.tl-msg{margin-top:6px;font-size:13px}
.tl-meta{margin-top:6px;color:var(--muted);font-size:12px;display:flex;gap:10px;flex-wrap:wrap}
.code{font-family:ui-monospace,monospace;font-size:12px;background:#f3f4f6;padding:2px 6px;border-radius:6px}
.tl-payload{display:none;margin-top:8px}
.tl-item.open .tl-payload{display:block}
.tl-payload pre{margin:0;background:#0b1020;color:#d1d5db;padding:10px;border-radius:10px;overflow:auto;max-height:240px}

.split{display:grid;grid-template-columns:280px 1fr;gap:12px}
.tree{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:auto;max-height:calc(100vh - 140px)}
.tree-item{padding:10px 12px;border-bottom:1px solid var(--border);cursor:pointer;font-size:13px;display:flex;justify-content:space-between;gap:10px}
.tree-item:hover{background:#fafafa}
.tree-item.active{background:#eef2ff}
.editor{display:flex;flex-direction:column;gap:10px}
.split2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.preview{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px;overflow:auto;max-height:520px}
.preview h1,.preview h2,.preview h3{margin:8px 0}
.preview p{margin:8px 0;line-height:1.55}
.preview pre{background:#0b1020;color:#d1d5db;padding:12px;border-radius:10px;overflow:auto}
.preview code{background:#f3f4f6;border-radius:6px;padding:2px 5px}
.preview blockquote{border-left:3px solid #c7d2fe;padding-left:10px;color:#374151}

.searchbox{
  border:1px solid var(--border);background:#fff;border-radius:12px;padding:10px 12px;
  display:flex;gap:10px;align-items:center;min-width:220px;justify-content:space-between
}
.notice{border:1px solid var(--border);border-radius:12px;padding:12px;margin:10px 0}
.notice.ok{border-color:#bbf7d0;background:#f0fdf4}
.notice.err{border-color:#fecaca;background:#fef2f2}
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}
.auth-card{width:min(460px,100%);background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px}
.auth-head{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.logo{width:42px;height:42px;border-radius:12px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.form{display:flex;flex-direction:column;gap:10px}
.form label{font-size:12px;color:var(--muted)}
.token{white-space:pre-wrap;word-break:break-all;background:#0b1020;color:#d1d5db;border-radius:12px;padding:12px;margin:8px 0}
.small{max-width:160px}

/* Mobile sidebar accordion */
.sb-toggle{display:none}
.sb-overlay{display:none}

@media (max-width: 920px){
  .grid2{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
}
@media (max-width: 860px){
  .sidebar{
    width:270px;
    position:fixed;
    left:0; top:0;
    height:100vh;
    z-index:40;
    transform:translateX(-102%);
    transition:transform .18s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,.18);
  }
  body.sb-open .sidebar{transform:translateX(0)}

  .sb-overlay{
    position:fixed;inset:0;
    background:rgba(17,24,39,.35);
    z-index:35;
    display:none;
  }
  body.sb-open .sb-overlay{display:block}

  .sb-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    position:fixed;
    left:12px; top:12px;
    width:40px; height:40px;
    border-radius:12px;
    border:1px solid var(--border);
    background:#fff;
    z-index:50;
    cursor:pointer;
    font-size:18px;
  }
  .sb-toggle:active{transform:scale(.98)}

  .main{padding-top:62px}

  .brand-txt,.sb-user,.sb-bottom{display:none}
  .sb-item{font-size:14px;padding:10px 10px}
  .split{grid-template-columns:1fr}
  .tree{max-height:220px}
  .split2{grid-template-columns:1fr}
}