:root {
  --bg: #0a0c10;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, #14202e 0%, transparent 60%),
             radial-gradient(900px 500px at -10% 110%, #1a1430 0%, transparent 55%);
  --surface: #11151c;
  --surface-2: #161b24;
  --border: #232b37;
  --text: #e7edf5;
  --muted: #8a97a8;
  --faint: #5a6675;
  --accent: #38e0c4;
  --accent-2: #5b8cff;
  --ok: #3ddc84;
  --warn: #ffb454;
  --danger: #ff5d5d;
  --mono: 'SFMono-Regular', ui-monospace, 'JetBrains Mono', Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --radius: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

.mono { font-family: var(--mono); }

/* ---------- LOGIN ---------- */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px 32px;
  box-shadow: 0 30px 80px -30px #000, inset 0 1px 0 #ffffff0a;
}
.brand {
  display: flex; align-items: center; gap: 12px; margin-bottom: 28px;
}
.brand .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 16px var(--accent);
}
.brand b { font-size: 1.05rem; letter-spacing: -0.01em; }
.brand span { color: var(--faint); font-size: 0.8rem; }
.login-card h1 {
  font-size: 1.55rem; letter-spacing: -0.02em; margin-bottom: 4px; font-weight: 650;
}
.login-card .sub { color: var(--muted); font-size: 0.88rem; margin-bottom: 26px; }
.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 0.74rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--faint); margin-bottom: 7px;
}
.field input {
  width: 100%; padding: 12px 14px; border-radius: 11px;
  background: #0c1016; border: 1px solid var(--border); color: var(--text);
  font-size: 0.95rem; font-family: var(--mono); transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px #38e0c422;
}
.btn {
  width: 100%; padding: 13px; border: none; border-radius: 11px; cursor: pointer;
  background: linear-gradient(180deg, var(--accent), #1fb89e);
  color: #04201b; font-weight: 700; font-size: 0.95rem; letter-spacing: 0.01em;
  margin-top: 8px; transition: transform .15s var(--ease), filter .2s var(--ease);
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: wait; }
.error {
  background: #ff5d5d18; border: 1px solid #ff5d5d44; color: #ff9a9a;
  padding: 10px 13px; border-radius: 10px; font-size: 0.85rem; margin-bottom: 16px;
  display: none;
}
.error.show { display: block; }

/* ---------- DASHBOARD ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; border-bottom: 1px solid var(--border);
  background: #0b0e13cc; backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.topbar .left { display: flex; align-items: center; gap: 14px; }
.topbar h2 { font-size: 1rem; font-weight: 650; letter-spacing: -0.01em; }
.topbar .meta { color: var(--faint); font-size: 0.8rem; }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 12px var(--ok); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }
.logout {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  padding: 8px 16px; border-radius: 9px; cursor: pointer; font-size: 0.85rem;
  transition: border-color .2s, color .2s;
}
.logout:hover { border-color: var(--danger); color: var(--danger); }

main { padding: 28px; max-width: 1240px; margin: 0 auto; }
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
.card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: 0 12px 40px -24px #000;
}
.card.span2 { grid-column: span 2; }
@media (max-width: 720px) { .card.span2 { grid-column: span 1; } }
.card h3 {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--faint); margin-bottom: 16px; font-weight: 600;
}
.big {
  font-size: 2.4rem; font-weight: 600; letter-spacing: -0.03em;
  font-family: var(--mono); line-height: 1;
}
.big .unit { font-size: 0.9rem; color: var(--muted); font-weight: 400; }
.sub-line { color: var(--muted); font-size: 0.82rem; margin-top: 8px; }

.bar { height: 8px; border-radius: 6px; background: #0c1016; overflow: hidden; margin-top: 16px; }
.bar > i {
  display: block; height: 100%; border-radius: 6px; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .6s var(--ease), background .3s;
}
.bar.warn > i { background: linear-gradient(90deg, var(--warn), #ff8a3d); }
.bar.danger > i { background: linear-gradient(90deg, var(--danger), #ff2e6e); }

.kv { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid #1a212c; font-size: 0.88rem; }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--muted); }
.kv .v { font-family: var(--mono); }

.svc { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 0.88rem; }
.svc .led { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.led.up { background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.led.down { background: var(--danger); box-shadow: 0 0 10px var(--danger); }
.svc .nm { flex: 1; font-family: var(--mono); }
.svc .st { color: var(--faint); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }

table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
th { text-align: left; color: var(--faint); font-weight: 500; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; padding-bottom: 10px; }
td { padding: 7px 0; border-top: 1px solid #1a212c; font-family: var(--mono); }
td.name { color: var(--text); }
td.num { text-align: right; color: var(--muted); }

.empty { color: var(--faint); font-size: 0.85rem; font-style: italic; padding: 4px 0; }
.foot { text-align: center; color: var(--faint); font-size: 0.76rem; margin-top: 28px; }

/* ---------- sparklines ---------- */
.spark {
  display: block; width: 100%; height: 44px; margin-top: 14px;
  opacity: 0.95;
}

/* ---------- connection indicator ---------- */
.conn {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em;
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border);
  color: var(--muted); text-transform: lowercase;
}
.conn.live { color: var(--ok); border-color: #3ddc8455; background: #3ddc8412; }
.conn.poll { color: var(--warn); border-color: #ffb45455; background: #ffb45412; }
.conn.off { color: var(--danger); border-color: #ff5d5d55; background: #ff5d5d12; }
.topbar .right { display: flex; align-items: center; gap: 14px; }

.pulse.live { background: var(--ok); box-shadow: 0 0 12px var(--ok); }
.pulse.poll { background: var(--warn); box-shadow: 0 0 12px var(--warn); animation: none; }
.pulse.off { background: var(--danger); box-shadow: 0 0 12px var(--danger); animation: none; }

/* ---------- alert banner ---------- */
.alert-banner {
  margin: 14px 28px 0; padding: 12px 16px; border-radius: 12px;
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  border: 1px solid var(--border);
}
.alert-banner.hidden { display: none; }
.alert-banner.warn { background: #ffb4540f; border-color: #ffb45444; }
.alert-banner.danger { background: #ff5d5d12; border-color: #ff5d5d44; }
.alert-banner .chip {
  font-size: 0.82rem; padding: 4px 11px; border-radius: 999px;
  font-family: var(--mono); border: 1px solid transparent;
}
.alert-banner .chip.warn { color: var(--warn); background: #ffb45418; border-color: #ffb45433; }
.alert-banner .chip.danger { color: #ff9a9a; background: #ff5d5d18; border-color: #ff5d5d33; }

/* ---------- alert log ---------- */
.logrow {
  display: flex; align-items: center; gap: 10px; padding: 7px 0;
  border-bottom: 1px solid #1a212c; font-size: 0.84rem;
}
.logrow:last-child { border-bottom: none; }
.logrow .lt { color: var(--faint); font-family: var(--mono); font-size: 0.76rem; flex: none; width: 72px; }
.logrow .lm { color: var(--muted); flex: 1; }

/* right-aligned table header cells */
th.ar { text-align: right; }

/* ---------- Supabase card ---------- */
.sb-metrics {
  display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 4px;
}
.sb-metric {
  flex: 1 1 90px; background: #0c1016; border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; display: flex; flex-direction: column; gap: 2px;
}
.sb-metric .mv { font-family: var(--mono); font-size: 1.25rem; font-weight: 600; letter-spacing: -0.02em; }
.sb-metric .mk { color: var(--faint); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; }
.sb-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 6px 16px; margin-top: 14px; padding-top: 14px; border-top: 1px solid #1a212c;
}
.sb-svc { display: flex; align-items: center; gap: 9px; padding: 5px 0; font-size: 0.85rem; }
.sb-svc .nm { font-family: var(--mono); color: var(--text); }
.led.warn { background: var(--warn); box-shadow: 0 0 10px var(--warn); }