/* PandaKit base styles. Loaded before each page's own styles, so pages can
   still lay themselves out; this only sets the shared look. */
:root{
  --bg:#f6f6f4; --card:#ffffff; --card2:#f2f2ef; --border:#dedcd6; --border-hover:#c4c1b9;
  --text:#1f2328; --sub:#5d6166; --text-sec:#5d6166; --text-dim:#8a8d91; --muted:#5d6166;
  --accent:#2463a6; --accent-hover:#1d528b; --accent-soft:#e8f0f9;
  --primary:var(--accent); --primary-hover:var(--accent-hover); --primary-light:var(--accent-soft);
  --success:#1a7f37; --green:#1a7f37; --green-light:#2c9a4b; --emerald:#1a7f37; --mint:#1a7f37; --lime:#1a7f37;
  --danger:#c62828; --red:#c62828; --rose:#c62828;
  --warning:#9a6700; --amber:#9a6700; --amber2:#9a6700; --yellow:#9a6700; --gold:#9a6700; --honey:#9a6700;
  --blue:var(--accent); --sky:var(--accent); --cyan:var(--accent); --teal:var(--accent);
  --purple:var(--accent); --violet:var(--accent); --indigo:var(--accent); --fuchsia:var(--accent);
  --pink:var(--accent); --orange:var(--accent); --slate:#5d6166; --dark:#1f2328;
  --radius:6px; --shadow:none; --shadow-lg:0 4px 16px rgba(0,0,0,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --ring:0 0 0 3px rgba(36,99,166,.18);
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 var(--font)}
a{color:var(--accent)}
a:hover{color:var(--accent-hover)}
h1,h2,h3,h4{color:var(--text);line-height:1.3}
h1{font-size:24px;font-weight:600}
h2{font-size:19px;font-weight:600}
h3{font-size:16px;font-weight:600}
code,kbd,pre,samp{font-family:var(--mono);font-size:.92em}
input,textarea,select,button{font:inherit;color:inherit}
input[type=text],input[type=url],input[type=email],input[type=password],input[type=number],
input[type=search],input:not([type]),textarea,select{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);color:var(--text)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}
::placeholder{color:#9a9da1}
button{cursor:pointer}
table{border-collapse:collapse}
hr{border:0;border-top:1px solid var(--border)}
::selection{background:#cfe0f3}

/* ---------- site header ---------- */
#pk-bar,#pk-bar *,#pk-foot,#pk-foot *{box-sizing:border-box}
#pk-bar{position:sticky;top:0;z-index:99999;height:52px;display:flex;align-items:center;gap:14px;
  padding:0 20px;background:#fff;border-bottom:1px solid var(--border);
  font:500 14px/1.2 var(--font);color:var(--text)}
#pk-bar a{text-decoration:none;color:inherit}
.pk-logo{display:flex;align-items:center;gap:9px;font-weight:650;font-size:16px;letter-spacing:-.01em;flex-shrink:0}
.pk-logo svg{width:26px;height:26px;display:block}
.pk-here{color:var(--sub);font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pk-here:before{content:"/";margin-right:12px;color:#c4c1b9}
.pk-pop{position:relative;flex-shrink:0}
.pk-trig{display:flex;align-items:center;gap:5px;padding:7px 11px;border:1px solid var(--border);border-radius:6px;
  cursor:pointer;white-space:nowrap;background:#fff;user-select:none}
.pk-trig:hover{border-color:var(--border-hover)}
.pk-trig svg{width:10px;height:10px;opacity:.6}
.pk-menu{position:absolute;top:calc(100% + 6px);right:0;width:640px;background:#fff;border:1px solid var(--border);
  border-radius:8px;box-shadow:var(--shadow-lg);padding:14px 8px;display:none;max-height:75vh;overflow:auto;z-index:100000;
  grid-template-columns:repeat(3,1fr);gap:0 4px}
.pk-menu.on{display:grid}
.pk-col{min-width:0}
.pk-grp{font-size:12px;font-weight:600;color:var(--sub);padding:2px 10px 6px}
.pk-it{display:block;padding:6px 10px;border-radius:5px;font-size:14px;line-height:1.3}
.pk-it:hover,.pk-it.sel{background:var(--card2)}
.pk-it.cur{color:var(--accent);font-weight:600}
.pk-it small{display:block;color:var(--sub);font-size:12px;margin-top:2px;font-weight:400}
.pk-sr{position:relative;margin-left:auto;width:260px;flex-shrink:1;min-width:0}
.pk-sr input{width:100%;height:34px;padding:0 34px 0 11px;border:1px solid var(--border);border-radius:6px;
  background:var(--bg);font-size:14px;box-shadow:none}
.pk-sr input:focus{background:#fff}
.pk-sk{position:absolute;right:8px;top:50%;transform:translateY(-50%);font:12px var(--mono);color:#9a9da1;
  border:1px solid var(--border);border-radius:4px;padding:0 5px;pointer-events:none;background:#fff}
.pk-res{position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1px solid var(--border);
  border-radius:8px;box-shadow:var(--shadow-lg);padding:6px;display:none;max-height:60vh;overflow:auto}
.pk-res.on{display:block}
.pk-none{padding:8px 10px;color:var(--sub);font-size:13px}
@media(max-width:820px){.pk-menu{width:440px;grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){
  #pk-bar{padding:0 12px;gap:10px}
  .pk-here{display:none}
  .pk-sr{width:auto;flex:1}
  .pk-sk{display:none}
  .pk-menu{position:fixed;top:58px;left:8px;right:8px;width:auto;grid-template-columns:1fr 1fr}
}
@media(max-width:400px){.pk-logo span{display:none}}

/* ---------- site footer ---------- */
#pk-foot{margin-top:48px;border-top:1px solid var(--border);background:#fff;color:var(--sub);
  font:13px/1.6 var(--font)}
#pk-foot .in{max-width:1100px;margin:0 auto;padding:18px 20px;display:flex;flex-wrap:wrap;gap:8px 24px;
  align-items:center;justify-content:space-between}
#pk-foot nav{display:flex;flex-wrap:wrap;gap:4px 18px}
#pk-foot a{color:var(--sub);text-decoration:none}
#pk-foot a:hover{color:var(--text);text-decoration:underline}
#pk-foot b{color:var(--text);font-weight:600}

/* ---------- page title + secondary links (server-rendered in each tool) ---------- */
.pk-title{margin:12px 0 22px;text-align:left}
.pk-title h1{font-size:24px;font-weight:600;margin:0;color:var(--text);letter-spacing:-.01em}
.pk-title p{margin:5px 0 0;color:var(--sub);font-size:15px;line-height:1.5;max-width:700px}
body>.pk-title{max-width:1000px;margin:28px auto 18px;padding:0 20px}
.pk-subnav{display:flex;justify-content:flex-end;align-items:center;gap:18px;max-width:1100px;margin:0 auto;
  padding:12px 20px 0;font-size:14px;background:none;border:0;height:auto}
.pk-subnav a{color:var(--accent);text-decoration:none}
.pk-subnav a:hover{text-decoration:underline}

/* ---------- shared components (pk-*) for pages built on this sheet ---------- */
.pk-page{max-width:960px;margin:0 auto;padding:24px 20px 0}
.pk-page.narrow{max-width:720px}
.pk-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:18px 20px;margin-bottom:18px}
.pk-card>h2,.pk-card>h3{margin:0 0 12px}
.pk-field{display:block;margin-bottom:12px}
.pk-field>span{display:block;font-size:13px;font-weight:600;margin-bottom:5px}
.pk-field>small{display:block;color:var(--sub);font-size:12.5px;margin-top:4px}
.pk-input,.pk-select,.pk-textarea{width:100%;box-sizing:border-box;padding:8px 10px;font-size:14px;
  border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text)}
.pk-textarea{font-family:var(--mono);font-size:13px;min-height:120px;resize:vertical}
.pk-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.pk-row>.pk-field{flex:1;min-width:160px}
.pk-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 16px;
  border-radius:6px;border:1px solid var(--accent);background:var(--accent);color:#fff;font-size:14px;
  font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap}
.pk-btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}
.pk-btn.sec{background:#fff;color:var(--text);border-color:var(--border)}
.pk-btn.sec:hover{border-color:var(--border-hover);background:var(--card2);color:var(--text)}
.pk-btn.danger{background:#fff;color:var(--danger);border-color:#e9b8b8}
.pk-btn.danger:hover{background:#fdf0f0}
.pk-btn.sm{height:30px;padding:0 11px;font-size:13px}
.pk-btn:disabled{opacity:.55;cursor:default}
.pk-table{width:100%;border-collapse:collapse;font-size:14px}
.pk-table th{text-align:left;font-size:12.5px;font-weight:600;color:var(--sub);padding:7px 10px;border-bottom:1px solid var(--border)}
.pk-table td{padding:8px 10px;border-bottom:1px solid #eeede9;vertical-align:top}
.pk-table tr:last-child td{border-bottom:0}
.pk-scroll{overflow-x:auto}
.pk-muted{color:var(--sub)}
.pk-small{font-size:13px}
.pk-code{font-family:var(--mono);font-size:13px;background:var(--card2);border:1px solid var(--border);
  border-radius:6px;padding:10px 12px;white-space:pre-wrap;word-break:break-all;margin:0}
.pk-copy{display:flex;gap:8px}
.pk-copy input{flex:1;min-width:0;font-family:var(--mono);font-size:13px;padding:7px 10px;
  border:1px solid var(--border);border-radius:6px;background:var(--card2)}
.pk-badge{display:inline-block;font-size:12px;font-weight:600;padding:1px 8px;border-radius:4px;
  background:var(--card2);color:var(--sub);border:1px solid var(--border)}
.pk-badge.ok{background:#e9f6ec;color:var(--success);border-color:#bfe3c8}
.pk-badge.bad{background:#fbeaea;color:var(--danger);border-color:#efc2c2}
.pk-badge.off{background:#f3f3f1}
.pk-note{background:#fdf8e6;border:1px solid #efe1a8;color:#5c4a00;border-radius:6px;padding:10px 14px;font-size:14px;margin-bottom:16px}
.pk-err{background:#fbeaea;border:1px solid #efc2c2;color:#8e1d1d;border-radius:6px;padding:10px 14px;font-size:14px;margin-bottom:16px}
.pk-ok{background:#e9f6ec;border:1px solid #bfe3c8;color:#14532d;border-radius:6px;padding:10px 14px;font-size:14px;margin-bottom:16px}
.pk-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:18px}
.pk-stat{background:#fff;border:1px solid var(--border);border-radius:8px;padding:12px 14px}
.pk-stat b{display:block;font-size:22px;font-weight:600}
.pk-stat span{font-size:13px;color:var(--sub)}
.pk-bars{display:flex;align-items:flex-end;gap:2px;height:80px}
.pk-bars i{flex:1;background:var(--accent);opacity:.8;min-height:1px;border-radius:2px 2px 0 0}
.pk-bars i.bad{background:var(--danger)}
.pk-bars i.none{background:#e6e5e0}
.pk-list{list-style:none;margin:0;padding:0}
.pk-list li{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid #eeede9}
.pk-list li:last-child{border-bottom:0}
.pk-list li .grow{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pk-actions{display:flex;gap:8px;flex-wrap:wrap}
.pk-grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:720px){.pk-grid2{grid-template-columns:1fr}}

/* functional blocks placed next to a body-level title */
body>.pk-restore{max-width:1000px;margin:0 auto 18px;padding:0 20px}
.pk-subnav a.btn,.pk-subnav a.btn:hover{color:#fff;text-decoration:none}

/* ---------- language switch + footer with all tools ---------- */
.pk-lang{flex-shrink:0;padding:6px 9px;border-radius:6px;font-size:13px;color:var(--sub)!important;white-space:nowrap}
.pk-lang:hover{background:var(--card2);color:var(--text)!important}
#pk-foot .pk-ft-tools{display:grid;grid-template-columns:repeat(6,1fr);gap:14px 18px;align-items:start;
  padding-top:22px;padding-bottom:6px;border-bottom:1px solid #eeede9}
#pk-foot .pk-ft-tools div{display:flex;flex-direction:column;gap:3px;min-width:0}
#pk-foot .pk-ft-tools b{font-size:12.5px;color:var(--text);font-weight:600;margin-bottom:3px}
#pk-foot .pk-ft-tools a{font-size:13px}
#pk-foot .pk-ft-lang{display:inline-flex;gap:10px;margin-left:8px;padding-left:16px;border-left:1px solid var(--border)}
#pk-foot .pk-ft-lang a[aria-current]{color:var(--text);font-weight:600}
#pk-foot #pkStat a{color:var(--sub)}
@media(max-width:900px){#pk-foot .pk-ft-tools{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){#pk-foot .pk-ft-tools{grid-template-columns:repeat(2,1fr)}#pk-foot .pk-ft-lang{margin-left:0;padding-left:0;border-left:0}}
:lang(zh) body{font-family:var(--font)}