:root{
  --bg:#f4f5f7; --card:#ffffff; --ink:#1d2330; --muted:#6a7282; --line:#e3e6ec;
  --red:#c62828; --red-d:#a31f1f; --green:#2e7d32; --green-bg:#e8f5e9; --amber:#b26a00; --amber-bg:#fff4e0;
  --bad-bg:#fdecec; --info:#1f5fa8; --info-bg:#e8f0fb; --side:#171b24; --side-ink:#c9cfdb;
  --radius:10px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--info);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:22px;margin:0 0 4px} h2{font-size:16px;margin:0 0 12px} h3{font-size:14px;margin:0 0 8px}
.muted{color:var(--muted)} .small{font-size:12px} .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.nowrap{white-space:nowrap} .right{text-align:right} .center{text-align:center}

/* layout */
.shell{display:flex;min-height:100vh}
.side{width:220px;background:var(--side);color:var(--side-ink);flex-shrink:0;display:flex;flex-direction:column}
.side .brand{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid #262c38}
.side .brand img{width:42px;height:auto;background:#fff;border-radius:6px;padding:2px}
.side .brand b{color:#fff;font-size:14px;display:block} .side .brand span{font-size:11px;color:#8a93a5}
.side nav{padding:10px 8px;display:flex;flex-direction:column;gap:2px}
.side nav a{color:var(--side-ink);padding:9px 12px;border-radius:7px;display:block}
.side nav a:hover{background:#232836;text-decoration:none}
.side nav a.on{background:var(--red);color:#fff}
.side .foot{margin-top:auto;padding:14px 16px;font-size:12px;color:#8a93a5;border-top:1px solid #262c38}
.side .foot button{background:none;border:0;color:#c9cfdb;padding:0;cursor:pointer;font-size:12px}
.main{flex:1;min-width:0;padding:24px 28px 60px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}

/* cards & grid */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.grid{display:grid;gap:18px} .g2{grid-template-columns:1fr 1fr} .g3{grid-template-columns:repeat(3,1fr)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.stat .n{font-size:26px;font-weight:700;line-height:1.1} .stat .l{color:var(--muted);font-size:12px;margin-top:4px}
.stat.warn .n{color:var(--amber)} .stat.bad .n{color:var(--red)}

/* table */
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid #eef0f4;vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafbfc}
td.act{white-space:nowrap;text-align:right}

/* badges */
.b{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap}
.b.ok{background:var(--green-bg);color:var(--green)} .b.warn{background:var(--amber-bg);color:var(--amber)}
.b.bad{background:var(--bad-bg);color:var(--red)} .b.info{background:var(--info-bg);color:var(--info)}
.b.gray{background:#eef0f4;color:var(--muted)}
.meter{height:6px;background:#eef0f4;border-radius:6px;overflow:hidden;min-width:60px}
.meter i{display:block;height:100%;background:var(--green)} .meter.full i{background:var(--amber)}

/* forms */
label{display:block;font-weight:600;font-size:13px;margin:0 0 5px}
.field{margin-bottom:14px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],select,textarea{
  width:100%;padding:9px 11px;border:1px solid #cfd4dd;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:80px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid #f3b9b9;border-color:var(--red)}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap} .row > *{flex:1;min-width:120px}
.row > .fit{flex:0 0 auto;min-width:0}
.row.top{align-items:flex-start}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:400} .check input{margin-top:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 14px;border-radius:8px;border:1px solid transparent;
  font:600 13px/1 inherit;font-family:inherit;cursor:pointer;background:var(--red);color:#fff;white-space:nowrap;text-decoration:none}
.btn:hover{background:var(--red-d);text-decoration:none}
.btn.sec{background:#fff;color:var(--ink);border-color:#cfd4dd} .btn.sec:hover{background:#f4f5f7}
.btn.green{background:var(--green)} .btn.green:hover{background:#246428}
.btn.ghost{background:none;color:var(--info);padding:4px 6px;border:0;font-weight:600}
.btn.ghost.red{color:var(--red)}
.btn.sm{padding:6px 10px;font-size:12px}
.inline{display:inline}
.actions{display:flex;gap:8px;flex-wrap:wrap}

/* alerts */
.flash{padding:11px 14px;border-radius:8px;margin-bottom:16px;font-weight:500}
.flash.ok{background:var(--green-bg);color:var(--green)} .flash.bad{background:var(--bad-bg);color:var(--red)}
.flash.info{background:var(--info-bg);color:var(--info)} .flash.warn{background:var(--amber-bg);color:var(--amber)}
.keybox{display:flex;align-items:center;gap:10px;background:#11151d;color:#fff;border-radius:8px;padding:12px 14px;font:600 18px/1.2 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.04em;flex-wrap:wrap}
.keybox .btn{font-size:12px}
pre.code{background:#11151d;color:#d7dce5;padding:12px 14px;border-radius:8px;overflow-x:auto;font-size:12px}
details summary{cursor:pointer;font-weight:600;color:var(--ink)}
.danger{border-color:#f2c4c4}
.danger h2{color:var(--red)}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 14px} .kv div:nth-child(odd){color:var(--muted)}
.empty{padding:26px;text-align:center;color:var(--muted)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
.toolbar > *{flex:0 0 auto} .toolbar .grow{flex:1;min-width:200px}

/* login & portal */
.center-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth{width:100%;max-width:400px}
.auth .logo{display:block;width:150px;margin:0 auto 18px}
.portal{max-width:860px;margin:0 auto;padding:28px 18px 60px}
.portal header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
.portal header img{width:90px}

@media (max-width:600px){ .hide-sm{display:none} td,th{padding:8px 6px} }
@media (max-width:900px){
  .shell{flex-direction:column}
  .side{width:auto} .side nav{flex-direction:row;flex-wrap:wrap} .side .foot{display:none}
  .main{padding:18px 14px 50px}
  .g2,.g3{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
}