/* ---------- Tokens ---------- */
:root {
  --bg-0: #05060d;
  --bg-1: #0a0c18;
  --bg-2: #11142a;
  --ink-0: #f4f6ff;
  --ink-1: #c9cee8;
  --ink-2: #8a91b4;
  --ink-3: #5b628a;
  --line: rgba(140, 152, 210, 0.14);
  --line-strong: rgba(140, 152, 210, 0.26);
  --accent: #8b8cff;       /* lavender-blue */
  --accent-2: #5fa8ff;     /* sky-blue */
  --accent-soft: rgba(139, 140, 255, 0.18);
  --good: #6ee7a7;
  --warn: #f5c26b;
  --bad:  #ff7a7a;

  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --font-sans: 'Space Grotesk', ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--ink-1);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: 0.01em;
  min-height: 100vh;
  overflow-x: hidden;
}

body {
  /* the deep bed; canvas + glow paint the rest */
  background:
    radial-gradient(1100px 700px at 50% -10%, #161a3a 0%, #0a0c18 55%, #05060d 100%);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Background layers ---------- */
#bg-network,
#bg-glow,
#bg-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

#bg-network {
  width: 100%;
  height: 100%;
  display: block;
}

#bg-glow {
  /* Cursor-following soft light. CSS variables updated from JS. */
  --mx: 50%;
  --my: 30%;
  background:
    radial-gradient(420px 420px at var(--mx) var(--my),
      rgba(139, 140, 255, 0.20) 0%,
      rgba(95, 168, 255, 0.10) 35%,
      rgba(0, 0, 0, 0) 70%);
  transition: background-position 200ms linear;
  mix-blend-mode: screen;
}

#bg-vignette {
  background:
    radial-gradient(120% 80% at 50% 50%, transparent 50%, rgba(0,0,0,0.55) 100%);
}

/* ---------- Layout ---------- */
.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 32px;
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-1);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.brand-mark__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(139, 140, 255, 0.7);
}
.brand-mark__dot:nth-child(2) { background: var(--accent-2); box-shadow: 0 0 10px rgba(95,168,255,0.7); }
.brand-mark__dot:nth-child(3) { background: #cdd1ff; opacity: 0.6; box-shadow: 0 0 8px rgba(205,209,255,0.5); }

.brand-tag {
  font-size: 14px;
  color: var(--ink-1);
  letter-spacing: 0.02em;
}

.pill-link {
  display: inline-block;
  padding: 9px 18px;
  background: var(--accent-soft);
  color: var(--ink-0);
  border: 1px solid rgba(139, 140, 255, 0.35);
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.pill-link:hover {
  background: rgba(139, 140, 255, 0.28);
  border-color: rgba(139, 140, 255, 0.55);
  transform: translateY(-1px);
}

.stage {
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin: 32px auto 80px;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- Card base ---------- */
.card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(20, 24, 50, 0.78) 0%, rgba(10, 12, 28, 0.78) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 30px 80px -30px rgba(0,0,0,0.7);
  overflow: hidden;
}

/* subtle highlight that follows the cursor across the card */
.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(360px 240px at var(--cardMx, 50%) var(--cardMy, 0%),
      rgba(139, 140, 255, 0.22) 0%,
      rgba(95, 168, 255, 0.08) 30%,
      transparent 65%);
  opacity: 0.0;
  transition: opacity 250ms ease;
}
.card:hover::before { opacity: 1; }

/* ---------- Identity card ---------- */
.card--identity {
  text-align: center;
  padding: 30px 32px 32px;
}

.card__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(139, 140, 255, 0.15);
  border: 1px solid rgba(139, 140, 255, 0.32);
  color: var(--ink-0);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.card__chip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(139,140,255,0.9);
  animation: pulse 1.8s ease-in-out infinite;
}

.kv {
  position: relative;
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 56px 20px;
  background: rgba(5, 6, 13, 0.5);
}
.kv__label {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.kv__value {
  margin-top: 10px;
  font-size: 18px;
  color: var(--ink-0);
  word-break: break-all;
}
.kv__copy {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: rgba(139, 140, 255, 0.10);
  border: 1px solid rgba(139, 140, 255, 0.25);
  border-radius: 8px;
  color: var(--ink-1);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 12px;
  transition: background 140ms, border-color 140ms, color 140ms;
}
.kv__copy:hover {
  background: rgba(139, 140, 255, 0.22);
  border-color: rgba(139, 140, 255, 0.5);
  color: var(--ink-0);
}
.kv__copy.is-copied { color: var(--good); border-color: rgba(110,231,167,0.5); background: rgba(110,231,167,0.12); }

/* ---------- Status card ---------- */
.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}
.card__title {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-1);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.badge[data-state="online"] {
  background: rgba(110, 231, 167, 0.12);
  border: 1px solid rgba(110, 231, 167, 0.45);
  color: #b6f3d2;
}
.badge[data-state="degraded"] {
  background: rgba(245, 194, 107, 0.12);
  border: 1px solid rgba(245, 194, 107, 0.45);
  color: #f8d99a;
}
.badge[data-state="offline"] {
  background: rgba(255, 122, 122, 0.12);
  border: 1px solid rgba(255, 122, 122, 0.45);
  color: #ffb3b3;
}
.badge__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulse 1.6s ease-in-out infinite;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.metric {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(5, 6, 13, 0.55);
  padding: 16px 18px;
  min-height: 86px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}
.metric:hover {
  border-color: var(--line-strong);
  background: rgba(15, 18, 40, 0.65);
  transform: translateY(-1px);
}
.metric__label {
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.metric__value {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink-0);
}

.card__footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 12px;
  color: var(--ink-2);
}
.footer__pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}

.legal {
  margin: 0 4px;
  font-size: 12px;
  color: var(--ink-3);
  text-align: center;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.85); }
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .topbar { padding: 16px 18px; }
  .brand-tag { display: none; }
  .stage { padding: 0 16px; margin: 18px auto 60px; }
  .card { padding: 22px 18px; }
  .card--identity { padding: 24px 18px; }
  .kv { padding: 16px 16px 18px; }
  .kv__copy { position: static; margin-top: 10px; }
  .kv__value { font-size: 14px; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card__title { font-size: 11px; }
}

@media (max-width: 420px) {
  .metrics { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}