:root{
  --bg:#f1f5f9;--panel:#fff;--ink:#1f2328;--mut:#64748b;--line:#e2e8f0;
  --brand:#0969da;--brand2:#0a3069;--ok:#1a7f37;--okbg:#dafbe1;
  --warn:#9a6700;--warnbg:#fff8c5;--danger:#cf222e;--dangerbg:#ffebe9;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI","Microsoft YaHei",Meiryo,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.topbar{display:flex;align-items:center;gap:16px;background:linear-gradient(120deg,#0a3069,#0969da);color:#fff;padding:12px 22px;flex-wrap:wrap}
.topbar .brand{color:#fff;font-weight:700;font-size:17px;text-decoration:none}
.topnav{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.topnav a{color:#dbeafe;padding:6px 12px;border-radius:7px;font-size:14px}
.topnav a:hover{background:rgba(255,255,255,.14);color:#fff;text-decoration:none}
.topnav .who{color:#bfdbfe;font-size:12.5px;margin-left:6px}
.topnav .lo{background:rgba(255,255,255,.12)}
.wrap{max-width:1080px;margin:0 auto;padding:24px 22px 60px}
.foot{color:var(--mut);font-size:12px;text-align:center;padding:20px}
h1{font-size:22px;color:var(--brand2);margin:0 0 12px}
h2{font-size:18px;color:var(--brand2);border-bottom:2px solid var(--brand);padding-bottom:6px;margin:26px 0 12px}
h3{font-size:15px;color:var(--brand2);margin:16px 0 6px}
.muted{color:var(--mut)}.small{font-size:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:14px 0}
.loginbox{max-width:380px;margin:6vh auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:26px 24px}
.loginbox label,.card label{display:block;font-size:13px;color:#334155;margin:12px 0 0;font-weight:600}
input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{
  width:100%;border:1px solid #d0d7de;border-radius:8px;padding:9px 11px;font:inherit;font-size:14px;margin-top:5px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #bae6fd;border-color:var(--brand)}
textarea{min-height:120px;resize:vertical}
button,.btn{font:inherit;font-size:14px;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:9px 18px;cursor:pointer;margin-top:14px}
button:hover,.btn:hover{filter:brightness(1.06);text-decoration:none}
button.ghost,.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
button.small{padding:5px 10px;font-size:12.5px;margin:0}
button.danger{background:var(--danger)}
.alert{border-radius:8px;padding:10px 14px;margin:12px 0;font-size:13.5px}
.alert.err{background:var(--dangerbg);border:1px solid #ff8182;color:#86181d}
.alert.ok{background:var(--okbg);border:1px solid #4ac26b;color:#116329}
.alert.warn{background:var(--warnbg);border:1px solid #e9db8a;color:#7d5e00}
.alert.info{background:#ddf4ff;border:1px solid #54aeff;color:#0a3069}
table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:13.5px}
th,td{padding:9px 11px;border-top:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f8fafc;font-weight:600;color:#334155;border-top:none;font-size:12.5px}
code{background:#eff1f3;padding:1px 5px;border-radius:4px;font-size:12.5px}
.badge{display:inline-block;border-radius:6px;padding:1px 8px;font-size:11px;font-weight:600}
.b-admin{background:#ddf4ff;color:#0a3069}.b-user{background:#f1f5f9;color:#64748b}
.b-on{background:var(--okbg);color:#116329}.b-off{background:var(--dangerbg);color:#86181d}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:8px 0 14px}
.toolbar input,.toolbar select{width:auto;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.tile{display:block;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.tile:hover{border-color:var(--brand);box-shadow:0 2px 10px rgba(9,105,218,.12);text-decoration:none}
.tile .t{font-weight:600;color:var(--brand2)}.tile .d{font-size:12px;color:var(--mut);margin-top:3px}
.chip{display:inline-block;font-size:12px;border-radius:6px;padding:2px 9px;margin:2px 4px 2px 0;background:#eef2ff;color:#3538cd}
.chip.time{background:var(--warnbg);color:var(--warn)}.chip.aim{background:var(--okbg);color:var(--ok)}
.copybtn{float:right;background:#fff;color:var(--brand);border:1px solid var(--brand);border-radius:6px;padding:2px 10px;font-size:12px;cursor:pointer;margin:0}
.copybtn.done{background:var(--okbg);border-color:#4ac26b;color:#116329}
.msg{white-space:pre-wrap;background:#f8fafc;border:1px solid #eaeef2;border-radius:8px;padding:12px 14px;font-size:13.5px;margin-top:8px}
.langtabs{display:flex;gap:6px;margin:6px 0}
.langtabs button{margin:0;padding:4px 12px;font-size:12.5px;background:#eef2ff;color:#3538cd}
.langtabs button.on{background:var(--brand);color:#fff}
@media(max-width:640px){.wrap{padding:16px 14px 50px}.topnav .who{display:none}}