:root {
  --bg: #0b0e14;
  --panel: #141922;
  --panel-hover: #1b2230;
  --border: #263042;
  --text: #cbd3e1;
  --text-bright: #f2f5fa;
  --text-muted: #7c8aa3;
  --text-dim: #4d5a70;
  --accent: #4895ef;
  --accent-bright: #74b3ff;
  --font-ui: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Roboto Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(72, 149, 239, 0.16) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(45, 212, 191, 0.10) 0%, transparent 45%);
  pointer-events: none;
}

.hub {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 20px;
  text-align: center;
}

.hub-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--text-bright);
}
.hub-emoji { font-size: 2.1rem; }
.hub-title { font-family: var(--font-mono); letter-spacing: -0.01em; }

.hub-sub {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 28px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 20px;
  max-width: 640px;
  width: 100%;
}

@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 22px 26px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.card-active { cursor: pointer; }
.card-active:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: var(--panel-hover);
  box-shadow: 0 20px 45px -24px rgba(72, 149, 239, 0.5);
}

.card-disabled { opacity: 0.55; }

.card-icon { font-size: 2.6rem; margin-bottom: 4px; }
.card-title { font-weight: 800; font-size: 1.15rem; color: var(--text-bright); }
.card-desc { font-size: 0.84rem; color: var(--text-muted); line-height: 1.5; min-height: 42px; }

.card-cta {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-bright);
}
.card-disabled .card-cta { color: var(--text-dim); }

.card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(245, 185, 66, 0.15);
  border: 1px solid rgba(245, 185, 66, 0.35);
  color: #f5b942;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 9px;
  border-radius: 999px;
}

.hub-footer {
  margin-top: 34px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  max-width: 480px;
}