:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --surface2:#f6f8fb;
  --line:rgba(15,23,42,.12);
  --line2:rgba(15,23,42,.18);
  --text:#0f172a;
  --muted:#475569;
  --accent:#326ce5; /* Kubernetes blue */
  --accent2:#1d4ed8;
  --good:#15803d;
  --warn:#b45309;
  --bad:#b91c1c;
  --shadow:0 10px 30px rgba(2,6,23,.08);
  --shadow2:0 18px 50px rgba(2,6,23,.12);
  --r:14px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color:var(--text);
  background:
    radial-gradient(circle at 18% -10%, rgba(50,108,229,.12), transparent 34%),
    radial-gradient(circle at 80% -20%, rgba(29,78,216,.10), transparent 38%),
    linear-gradient(180deg,#fff 0%, #fbfcff 70%, #fff 100%);
  line-height:1.5;
}

.shell{width:min(1280px, calc(100vw - 32px)); margin:24px auto 48px; isolation:isolate}

/* Top bar */
.topbar{display:flex; justify-content:space-between; align-items:center; gap:16px; margin-bottom:18px; padding:4px 2px}
.brand-lockup{display:flex; align-items:center; gap:14px}
.brand-mark{
  width:46px; height:46px; border-radius:14px;
  display:grid; place-items:center;
  color:#fff; font-weight:900; letter-spacing:.08em;
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow:0 12px 26px rgba(50,108,229,.22);
}
.eyebrow{
  margin:0 0 6px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-weight:800;
}
.brand-name{
  margin:0;
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.access-controls{display:flex; align-items:center; gap:12px}
.topbar-note{
  color:var(--muted);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.session-badge{
  min-height:40px;
  display:inline-flex;
  align-items:center;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface2);
  color:var(--muted);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}

/* Hero */
.hero{
  border:1px solid var(--line);
  border-radius:calc(var(--r) + 10px);
  padding:32px;
  display:grid;
  grid-template-columns: 2fr 1fr;
  gap:22px;
  margin-bottom:18px;
  background:
    radial-gradient(circle at 10% 0%, rgba(50,108,229,.12), transparent 36%),
    linear-gradient(180deg,#fff,#f7faff);
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:-24% auto auto 58%;
  width:420px; height:420px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(50,108,229,.12), transparent 72%);
  pointer-events:none;
}
.hero-copy{position:relative; z-index:1}
.hero h1{
  margin:0;
  max-width: 18ch;
  font-size:clamp(2.1rem, 4vw, 3.4rem);
  line-height:1.06;
  letter-spacing:-.02em;
  font-weight:900;
}
.subtitle{margin:16px 0 0; color:var(--muted); max-width:66ch; font-size:1.05rem}
.hero-ribbon{display:flex; flex-wrap:wrap; gap:10px; margin-top:22px}
.hero-ribbon span{
  display:inline-flex; align-items:center;
  min-height:36px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(50,108,229,.08);
  color:var(--accent2);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-weight:800;
}

/* Cards, panels */
.panel, .card, .hero-card, .table-wrap, dialog{
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow);
}
.panel{
  border-radius:calc(var(--r) + 8px);
  padding:22px;
  margin-top:18px;
}
.card{
  border-radius:calc(var(--r) + 6px);
  padding:16px;
}
.hero-card{border-radius:calc(var(--r) + 6px); padding:16px}
.panel-head, .card-head, .modal-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.panel-label{margin:0 0 8px; color:var(--muted); font-size:12px; letter-spacing:.12em; text-transform:uppercase; font-weight:900}
.grid.two{display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:18px; margin-top:14px}
.stack{display:grid; gap:18px}
.context{color:var(--muted)}

.access-banner{
  margin: 0 0 18px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(50,108,229,0.06);
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-weight: 800;
}
.zone-divider{
  height:1px;
  margin:18px 0;
  background:linear-gradient(90deg, transparent, rgba(50,108,229,.22), rgba(29,78,216,.16), transparent);
}

/* Metrics */
.metric-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
.metric{
  border-radius:14px;
  padding:14px;
  background:var(--surface2);
  border:1px solid var(--line);
}
.metric strong{display:block; font-size:30px; letter-spacing:-.02em}
.metric span{color:var(--muted); font-size:13px}

/* Inputs, buttons */
a, button, input, select, textarea{
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease, opacity 140ms ease;
}
button, select, input, textarea{
  font:inherit;
  border-radius:12px;
  border:1px solid var(--line);
}
button{
  border:none;
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#fff;
  padding:12px 16px;
  font-weight:900;
  letter-spacing:.04em;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(50,108,229,.18);
}
button:hover:not(:disabled){
  transform:translateY(-1px);
  box-shadow:0 16px 34px rgba(50,108,229,.22);
}
button:disabled{opacity:.5; cursor:not-allowed}
button.ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text);
  box-shadow:none;
}
button.ghost:hover:not(:disabled){background:rgba(2,6,23,.03)}
input, select, textarea{
  padding:11px 12px;
  background:#fff;
  color:var(--text);
}
input::placeholder, textarea::placeholder{color:#94a3b8}
input:hover, select:hover, textarea:hover{border-color:var(--line2)}
input:focus, select:focus, textarea:focus{
  border-color:rgba(50,108,229,.38);
  box-shadow:0 0 0 6px rgba(50,108,229,.12);
  outline:none;
}
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid rgba(50,108,229,.35);
  outline-offset:2px;
}
textarea{min-height:96px; resize:vertical}
.full{grid-column:1/-1}
.toggle-row{display:flex; align-items:center; gap:10px; padding-top:28px}
.empty-state{color:var(--muted); padding:10px 0}

/* Tables */
.table-wrap{border-radius:calc(var(--r) + 6px); overflow:hidden}
table{width:100%; border-collapse:collapse; font-size:14px}
th,td{padding:14px 12px; border-bottom:1px solid rgba(15,23,42,.10); text-align:left; vertical-align:top}
th{
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#64748b;
  background:#fff;
}
tbody tr{cursor:pointer}
tbody tr:nth-child(2n) td{background:rgba(2,6,23,.02)}
tbody tr:hover, tbody tr.selected{background:rgba(50,108,229,.08)}
.badge{
  display:inline-flex; align-items:center;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:900;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:1px solid var(--line);
}
.badge.good{background:rgba(21,128,61,.10); color:var(--good)}
.badge.warn{background:rgba(180,83,9,.10); color:var(--warn)}
.badge.bad{background:rgba(185,28,28,.10); color:var(--bad)}
.inline-select{width:100%}

/* Dialogs */
dialog{
  width:min(720px, calc(100vw - 24px));
  border-radius:18px;
  padding:0;
  box-shadow:var(--shadow2);
}
dialog::backdrop{background:rgba(2,6,23,.45); backdrop-filter:blur(6px)}
.modal-form{padding:18px}
.modal-head{padding-bottom:14px; border-bottom:1px solid var(--line)}
.form-grid{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:14px; margin:18px 0}
label{display:grid; gap:8px; font-size:14px; font-weight:700}

/* Login */
.login-shell{min-height:100vh; display:grid; place-items:center; padding:24px}
.login-card{box-shadow:var(--shadow2)}
.login-title{margin:22px 0 10px; font-size:28px; line-height:1.15; letter-spacing:-.02em; font-weight:900}
.login-subtitle{margin:0 0 16px; color:var(--muted)}
.login-form{display:grid; gap:14px}
.demo-users{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.login-hint{margin-top:14px; color:var(--muted); font-size:14px; line-height:1.6}
.login-error{min-height:24px; margin-top:10px; color:var(--bad); font-weight:800}
.login-error:empty{display:none}

/* Google-like login */
.login-body{
  background: #f8f9fa;
  background:
    radial-gradient(circle at 16% -12%, rgba(50,108,229,.10), transparent 38%),
    radial-gradient(circle at 82% -16%, rgba(29,78,216,.08), transparent 42%),
    linear-gradient(180deg, #f8f9fa 0%, #ffffff 55%, #f8f9fa 100%);
}
.login-shell--google{padding:48px 24px}
.login-card--google{
  width: min(448px, calc(100vw - 40px));
  padding: 44px 40px 36px;
  border-radius: 12px;
  border: 1px solid rgba(60,64,67,.18);
  background: #fff;
  box-shadow: none;
}
.login-form--google{gap:16px}

.g-head{display:flex; align-items:center; gap:12px; margin-bottom:22px}
.g-logo{
  width:40px; height:40px; border-radius:10px;
  display:grid; place-items:center;
  font-weight:900; letter-spacing:.06em;
  color:#fff;
  background: linear-gradient(135deg, #1a73e8, #185abc);
  box-shadow: 0 10px 24px rgba(26,115,232,.18);
}
.g-brand{
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:800;
  color:#3c4043;
}
.g-title{
  margin:0;
  font-size:24px;
  line-height:1.2;
  font-weight:600;
  color:#202124;
}
.g-subtitle{
  margin:10px 0 22px;
  color:#3c4043;
  font-size:15px;
}
.g-field{display:grid; gap:8px}
.g-field label{
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:#5f6368;
}
.login-card--google input{
  border-radius:8px;
  border:1px solid rgba(60,64,67,.22);
  padding:12px 12px;
  box-shadow:none;
}
.login-card--google input:focus{
  border-color:#1a73e8;
  box-shadow:0 0 0 4px rgba(26,115,232,.15);
}
.g-actions{
  margin-top: 8px;
  display:flex;
  justify-content:flex-end;
  align-items:center;
}
.g-link{
  color:#1a73e8;
  text-decoration:none;
  font-weight:700;
  font-size:14px;
}
.g-link:hover{text-decoration:underline}
.g-next{
  min-width: 92px;
  border-radius: 999px;
  padding: 10px 18px;
  background: #1a73e8;
  box-shadow: 0 8px 18px rgba(26,115,232,.20);
  letter-spacing: .02em;
}
.g-next:hover:not(:disabled){
  background:#185abc;
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(26,115,232,.22);
}
.g-next:disabled{opacity:.65}

@media (max-width: 900px){
  .hero, .grid.two, .form-grid, .metric-grid{grid-template-columns:1fr}
  .shell{width:min(100vw - 18px, 1280px)}
  .topbar{display:grid; gap:12px}
  .access-controls{display:grid; gap:10px; justify-items:start}
  .login-card{padding:24px}
  .login-card--google{padding: 36px 22px 28px}
}