:root {
  --bg: #0b0f14;
  --bg-soft: #0f172a;
  --text: #d9e2f1;
  --muted: #8ba3c7;
  --accent: #3ba5ff;
  --accent-2: #8f5dff;
  --ok: #32d583;
  --warn: #ffcc66;
  --danger: #ff5f7d;
  --card: rgba(15, 23, 42, 0.72);
  --border: rgba(139, 163, 199, 0.25);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: radial-gradient(circle at 20% 10%, rgba(59, 165, 255, 0.15), transparent 36%),
    radial-gradient(circle at 80% 0%, rgba(143, 93, 255, 0.15), transparent 36%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(11, 15, 20, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 16px var(--accent);
}

.nav-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
}

.nav-links a:hover, .nav-links a.active {
  color: #f5f8ff;
  text-shadow: 0 0 10px rgba(59, 165, 255, .65);
}

.hero {
  padding: 6rem 0 3rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
}

.glow {
  background: linear-gradient(90deg, #b7d8ff 0%, #8ab5ff 45%, #c6a6ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: flow 5s linear infinite;
  background-size: 200% auto;
}

@keyframes flow {
  to { background-position: 200% center; }
}

.hero p {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.05rem;
}

.btn {
  display: inline-block;
  padding: .75rem 1.1rem;
  border-radius: 10px;
  border: 1px solid rgba(143, 93, 255, .65);
  background: linear-gradient(135deg, rgba(59, 165, 255, .25), rgba(143, 93, 255, .25));
  box-shadow: 0 0 24px rgba(59, 165, 255, .35);
  transition: .2s ease;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(143, 93, 255, .45); }

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem;
}

.card h3 { margin: 0 0 .5rem; }
.card p { margin: 0; color: var(--muted); }

.metrics {
  margin: 2rem 0 3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.metric-value {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 700;
}

.metric-label { color: var(--muted); }

.section-title {
  font-size: 1.4rem;
  margin: 0 0 1rem;
}

.log {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: .86rem;
  color: #a8c0e8;
}

.log-line { padding: .3rem 0; border-bottom: 1px dashed rgba(139,163,199,.2); }
.log .ok { color: var(--ok); }
.log .warn { color: var(--warn); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  border-radius: 999px;
  padding: .4rem .8rem;
  background: rgba(50, 213, 131, .12);
  color: #92ffca;
  border: 1px solid rgba(50, 213, 131, .45);
}

.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }

.form-control {
  width: 100%;
  padding: .75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(11, 15, 20, .85);
  color: var(--text);
}

.form-group { margin-bottom: 1rem; }

.footer { margin: 3rem 0 2rem; color: var(--muted); font-size: .95rem; }

.code-block {
  background: rgba(11, 15, 20, .86);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .9rem;
  overflow-x: auto;
  font-family: ui-monospace, monospace;
}

.error-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1.2rem;
}

.error-card {
  width: min(680px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}

.error-code {
  font-size: clamp(3rem, 9vw, 5rem);
  margin: 0;
  line-height: 1;
}

.small { color: var(--muted); }

@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metrics { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .grid { grid-template-columns: 1fr; }
  .nav-wrap { flex-direction: column; align-items: flex-start; gap: .8rem; }
}