:root{
  --bg:#f4f6f9;--card:#fff;--text:#1d2433;--muted:#64708a;--border:#dfe4ec;
  --primary:#2563eb;--primary-d:#1d4ed8;--danger:#dc2626;--success:#15803d;--warning:#b45309;
  --nav:#0f172a;--nav-text:#cbd5e1;--code:#f1f4f8;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
header.nav{background:var(--nav);color:#fff;padding:0 16px}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap;min-height:56px}
.brand{font-weight:700;font-size:18px;color:#fff}.brand span{color:#60a5fa}
.nav a.link{color:var(--nav-text);padding:6px 2px}.nav a.link:hover,.nav a.link.active{color:#fff;text-decoration:none}
.nav .spacer{flex:1}
.nav .who{color:var(--nav-text);font-size:13px}
.nav .badge-admin{background:#7c3aed;color:#fff;font-size:11px;padding:2px 6px;border-radius:4px;margin-left:4px}
.nav form{display:inline;margin:0}
.nav button.linkbtn{background:none;border:0;color:var(--nav-text);cursor:pointer;font:inherit;padding:6px 2px}
.nav button.linkbtn:hover{color:#fff}
main{max-width:1200px;margin:24px auto;padding:0 16px}
h1{font-size:24px;margin:0 0 16px}h2{font-size:18px;margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:20px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));margin-bottom:20px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px}
.stat .v{font-size:28px;font-weight:700}.stat .l{color:var(--muted);font-size:13px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);vertical-align:middle}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:0}
.mono,code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
code{background:var(--code);padding:2px 5px;border-radius:4px}
pre{background:var(--code);padding:12px;border-radius:8px;overflow-x:auto;font-size:13px}
.muted{color:var(--muted)}.small{font-size:13px}
label{display:block;font-weight:600;font-size:13px;margin:12px 0 4px}
input[type=text],input[type=password],input[type=email],input[type=number],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:7px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--primary)}
.check{display:flex;align-items:center;gap:8px;font-weight:500;margin:12px 0}
.check input{width:auto}
.help{color:var(--muted);font-size:12px;margin-top:3px}
.btn{display:inline-block;background:var(--primary);color:#fff;border:0;border-radius:7px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:var(--primary-d);text-decoration:none}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.secondary{background:#e5e9f0;color:var(--text)}.btn.secondary:hover{background:#d5dbe5}
.btn.danger{background:var(--danger)}.btn.danger:hover{background:#b91c1c}
.btn.success{background:var(--success)}
.actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.actions form{margin:0}
.inline-form{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.inline-form > div{flex:1;min-width:160px}
.inline-form label{margin-top:0}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.pill.on{background:#dcfce7;color:var(--success)}.pill.off{background:#fee2e2;color:var(--danger)}
.pill.info{background:#dbeafe;color:var(--primary-d)}.pill.warn{background:#fef3c7;color:var(--warning)}
.flash{padding:11px 14px;border-radius:8px;margin-bottom:14px;border:1px solid}
.flash.success{background:#f0fdf4;border-color:#bbf7d0;color:#14532d}
.flash.danger{background:#fef2f2;border-color:#fecaca;color:#7f1d1d}
.flash.warning{background:#fffbeb;border-color:#fde68a;color:#78350f}
.flash.info{background:#eff6ff;border-color:#bfdbfe;color:#1e3a8a}
.auth-box{max-width:400px;margin:70px auto}
.auth-box .brand{color:var(--text);display:block;text-align:center;font-size:24px;margin-bottom:18px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:800px){.two{grid-template-columns:1fr}}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.tabs button{background:#e5e9f0;border:0;border-radius:6px;padding:6px 12px;cursor:pointer;font:inherit}
.tabs button.active{background:var(--primary);color:#fff}
.tab{display:none}.tab.active{display:block}
.pager{display:flex;gap:10px;margin-top:12px}