:root{
  --bg:#f4f6fa; --card:#ffffff; --ink:#1b2330; --muted:#697588; --line:#e3e8f0;
  --brand:#0b3d6b; --brand2:#12b0d1; --accent:#0f766e;
  --green:#16a34a; --amber:#d97706; --blue:#2563eb; --violet:#7c3aed; --gray:#94a3b8; --red:#dc2626;
  --shadow:0 1px 2px rgba(16,32,64,.06),0 4px 16px rgba(16,32,64,.06);
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .4em}
h1{font-size:22px}h2{font-size:17px}h3{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}

/* ---- top nav ---- */
header.nav{background:linear-gradient(100deg,#0b3d6b,#0a2f52);color:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:50}
.nav-inner{display:flex;align-items:center;gap:3px;padding:7px 20px;min-height:56px;flex-wrap:wrap;max-width:1500px;margin:0 auto}
.brand{font-weight:700;font-size:16px;letter-spacing:.02em;display:flex;align-items:center;gap:10px;margin-right:14px;white-space:nowrap}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--brand2);box-shadow:0 0 0 4px rgba(18,176,209,.25)}
.nav a.link{color:#cdd9ea;padding:8px 11px;border-radius:8px;font-weight:500;white-space:nowrap}
.nav a.link:hover{background:rgba(255,255,255,.09);color:#fff;text-decoration:none}
.nav a.link.active{background:rgba(255,255,255,.15);color:#fff}
.nav .spacer{flex:1;min-width:8px}
.nav .who{color:#aebfd6;font-size:13px;white-space:nowrap}
.nav .who b{color:#fff}
.badge-role{background:rgba(18,176,209,.22);color:#bdeefb;padding:2px 8px;border-radius:20px;font-size:11px;margin-left:6px;text-transform:uppercase;letter-spacing:.03em}

.wrap{max-width:1500px;margin:22px auto;padding:0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;margin-bottom:18px}
.grid{display:grid;gap:16px}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1000px){.cols-4{grid-template-columns:repeat(2,1fr)}.cols-3,.cols-2{grid-template-columns:1fr}}

/* ---- KPI tiles ---- */
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}
.kpi .n{font-size:30px;font-weight:700;line-height:1}
.kpi .l{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em;margin-top:6px}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:4px}
.kpi.brand{background:linear-gradient(135deg,#0b3d6b,#0a2f52);color:#fff}
.kpi.brand .l,.kpi.brand .sub{color:#bcd0e8}

/* ---- utilization bar ---- */
.util{height:14px;border-radius:8px;background:var(--line);overflow:hidden;display:flex}
.util > span{height:100%}
.legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:5px;vertical-align:-1px}

/* ---- status chips ---- */
.chip{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600;letter-spacing:.02em}
.st-AVAILABLE{background:#dcfce7;color:#166534}
.st-RESERVED{background:#fef3c7;color:#92400e}
.st-ALLOCATED{background:#dbeafe;color:#1e40af}
.st-DEPLOYED{background:#ede9fe;color:#5b21b6}
.st-RETIRED{background:#e2e8f0;color:#475569}
.st-UNTRACKED{background:#f1f5f9;color:#94a3b8}
.st-CONTAINER{background:#e0f2fe;color:#075985}
.st-Connected{background:#dcfce7;color:#166534}
.st-Standalone{background:#fef3c7;color:#92400e}
.dot-AVAILABLE{background:var(--green)}.dot-RESERVED{background:var(--amber)}.dot-ALLOCATED{background:var(--blue)}
.dot-DEPLOYED{background:var(--violet)}.dot-RETIRED{background:var(--gray)}.dot-UNTRACKED{background:#cbd5e1}

/* ---- tables ---- */
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;
  padding:8px 10px;border-bottom:2px solid var(--line);background:var(--card);white-space:nowrap}
td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
tr:hover td{background:#fafbfe}
.mono{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace}
.tbl-wrap{overflow-x:auto}

/* ---- heatmap ---- */
.heat{display:grid;grid-template-columns:repeat(16,1fr);gap:3px;max-width:640px}
.heat a{aspect-ratio:1/1;border-radius:4px;display:block;position:relative}
.heat a:hover{outline:2px solid var(--ink);outline-offset:1px}
.cell-AVAILABLE{background:#bbf7d0}.cell-RESERVED{background:#fde68a}.cell-ALLOCATED{background:#93c5fd}
.cell-DEPLOYED{background:#c4b5fd}.cell-RETIRED{background:#cbd5e1}.cell-UNTRACKED{background:#eef2f7}

/* ---- forms & buttons ---- */
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px;font-weight:600}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;
  background:#fff;color:var(--ink);font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand2);box-shadow:0 0 0 3px rgba(18,176,209,.15)}
.btn{display:inline-block;padding:9px 15px;border-radius:8px;border:1px solid transparent;background:var(--brand);
  color:#fff;font-weight:600;font-size:13px;cursor:pointer;text-align:center}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn.sm{padding:6px 11px;font-size:12px}
.btn.ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn.warn{background:var(--amber)}.btn.blue{background:var(--blue)}.btn.violet{background:var(--violet)}
.btn.danger{background:var(--red)}.btn.ok{background:var(--green)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row > div{flex:1;min-width:140px}
.inline{display:inline}

.muted{color:var(--muted)}
.small{font-size:12px}
.right{text-align:right}
.pill{background:#eef2f7;border:1px solid var(--line);padding:2px 8px;border-radius:6px;font-size:12px}
.flash{padding:11px 14px;border-radius:8px;margin-bottom:14px;font-size:13px}
.flash.ok{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.flash.err{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.flash.info{background:#e0f2fe;color:#075985;border:1px solid #bae6fd}
.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 14px;font-size:13px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
hr{border:none;border-top:1px solid var(--line);margin:16px 0}
.tl{list-style:none;padding:0;margin:0}
.tl li{padding:10px 0 10px 20px;border-left:2px solid var(--line);position:relative;margin-left:6px}
.tl li:before{content:"";position:absolute;left:-6px;top:14px;width:10px;height:10px;border-radius:50%;background:var(--brand2)}
.tl .t{font-size:12px;color:var(--muted)}
.hashmono{font-family:ui-monospace,monospace;font-size:11px;color:var(--muted)}
.tabs{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.tabs a{padding:7px 13px;border-radius:8px;background:#fff;border:1px solid var(--line);font-weight:600;font-size:13px}
.tabs a.active{background:var(--brand);color:#fff}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(130deg,#0b3d6b,#0a2f52 60%,#12b0d1)}
.login-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:34px;width:380px}
.login-card .brand{color:var(--brand);justify-content:center;font-size:20px;margin-bottom:6px}