:root{
  --bg:#0B0D12; --panel:#12151C; --panel-2:#181C25; --line:#232836;
  --text:#E8EAF0; --muted:#8A90A2; --accent:#2F7BFF; --accent-soft:rgba(47,123,255,.14);
  --ok:#2ECC8F; --warn:#F5B840; --bad:#FF5A6A; --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:22px;font-weight:600;margin:0}
h2{font-size:15px;font-weight:600;margin:0 0 14px}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.02em}

/* shell */
.shell{display:flex;min-height:100vh}
.side{width:224px;flex:none;background:var(--panel);border-right:1px solid var(--line);padding:22px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;padding:0 10px 22px}
.logo .mark{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center;font-size:12px;color:#fff;letter-spacing:.04em}
.nav a{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border-radius:8px;color:var(--muted);font-weight:500}
.nav a:hover{background:var(--panel-2);color:var(--text);text-decoration:none}
.nav a.on{background:var(--accent-soft);color:var(--text)}
.nav .count{background:var(--accent);color:#fff;font-size:11px;font-weight:600;border-radius:99px;padding:1px 8px}
.side .foot{margin-top:auto;padding:12px;border-top:1px solid var(--line);font-size:12px}
.main{flex:1;min-width:0;padding:28px 34px 60px;max-width:1240px}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}

/* cards & grid */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:1fr 1fr}
.g3-1{grid-template-columns:2fr 1fr}
.stat .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.stat .num{font-size:28px;font-weight:600;margin-top:6px}
.stat.accent{border-color:rgba(47,123,255,.45)}
.stack>*+*{margin-top:16px}

/* tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(255,255,255,.015)}
.empty{padding:36px;text-align:center;color:var(--muted)}

/* badges */
.badge{display:inline-block;font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:99px;white-space:nowrap}
.badge.ok{background:rgba(46,204,143,.12);color:var(--ok)}
.badge.warn{background:rgba(245,184,64,.12);color:var(--warn)}
.badge.bad{background:rgba(255,90,106,.12);color:var(--bad)}
.badge.muted{background:var(--panel-2);color:var(--muted)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:6px}

/* forms */
label{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-bottom:6px}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px 12px;font:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
textarea{min-height:90px;resize:vertical}
.field+.field{margin-top:14px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row>*{flex:1;min-width:120px}
.row>.btn{flex:none}
.check{display:flex;align-items:center;gap:8px;color:var(--text);font-size:14px}
.check input{width:auto}
.hint{font-size:12px;color:var(--muted);margin-top:5px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);padding:9px 16px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:#353c4e;text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--bad)}
.btn.sm{padding:6px 11px;font-size:12.5px}
.inline{display:inline}
.actions{display:flex;gap:6px;justify-content:flex-end}

.tabs{display:flex;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:4px}
.tabs a{padding:6px 14px;border-radius:7px;color:var(--muted);font-weight:500}
.tabs a.on{background:var(--panel-2);color:var(--text)}
.tabs a:hover{text-decoration:none;color:var(--text)}
.search{display:flex;gap:8px}
.search input{width:260px}

.flash{padding:12px 16px;border-radius:10px;margin-bottom:20px;font-weight:500}
.flash.ok{background:rgba(46,204,143,.1);border:1px solid rgba(46,204,143,.3);color:var(--ok)}
.flash.err{background:rgba(255,90,106,.1);border:1px solid rgba(255,90,106,.3);color:var(--bad)}

.kv{display:grid;grid-template-columns:130px 1fr;gap:10px 16px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
.ref{font-family:ui-monospace,Menlo,monospace;font-weight:600;color:var(--text);background:var(--accent-soft);padding:3px 8px;border-radius:6px;white-space:nowrap}
details summary{cursor:pointer;color:var(--accent);font-weight:600;list-style:none}
details summary::-webkit-details-marker{display:none}
details[open] summary{margin-bottom:14px}

/* auth pages */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth .card{width:100%;max-width:380px;padding:30px}
.auth .logo{justify-content:center;padding-bottom:8px}
.auth p.sub{text-align:center;color:var(--muted);margin:0 0 24px}
.auth .btn{width:100%;margin-top:20px}

@media (max-width:900px){
  .shell{flex-direction:column}
  .side{width:auto;height:auto;position:static;flex-direction:row;flex-wrap:wrap;align-items:center;padding:12px}
  .logo{padding:0 10px 0 4px}
  .nav{display:flex;gap:2px;flex-wrap:wrap}
  .side .foot{display:none}
  .main{padding:20px 16px}
  .g4{grid-template-columns:1fr 1fr}
  .g2,.g3-1{grid-template-columns:1fr}
  .search input{width:100%}
}
.nw{white-space:nowrap}