/* ── Graph ─────────────────────────────────────────────────── */
#graph-container {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.8s ease;
}
svg { width: 100%; height: 100%; }

/* ── Header ────────────────────────────────────────────────── */
#header {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.6s ease 0.2s;
}
#title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--stormlight);
  letter-spacing: 0.5px;
}
#subtitle {
  font-size: 11px;
  color: #556677;
  margin-top: 2px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
#header-line {
  height: 1px;
  margin: 10px 0 14px;
  width: 280px;
  background: linear-gradient(
    to right,
    var(--gem-sapphire),
    var(--gem-emerald),
    var(--gem-amethyst),
    var(--gem-heliodor),
    var(--gem-ruby),
    transparent
  );
  opacity: 0.5;
}

/* ── Tooltip ───────────────────────────────────────────────── */
#tooltip {
  position: absolute;
  z-index: 30;
  background: rgba(10, 14, 24, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--crem);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  pointer-events: none;
  display: none;
  max-width: 260px;
}
#tooltip .tt-name { font-weight: 600; }
#tooltip .tt-meta {
  font-size: 11px;
  color: rgba(200, 223, 255, 0.4);
  margin-top: 2px;
}

/* ── Info bar ──────────────────────────────────────────────── */
#info {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 10;
  font-size: 12px;
  color: #334455;
  background: rgba(10, 14, 24, 0.6);
  backdrop-filter: blur(12px);
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(200, 223, 255, 0.04);
  opacity: 0;
  transition: opacity 0.6s ease 0.4s;
}
#info .info-title {
  font-family: var(--font-display);
  color: rgba(200, 223, 255, 0.3);
}
#info a {
  color: rgba(200, 223, 255, 0.4);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 223, 255, 0.15);
  transition: color 0.2s, border-color 0.2s;
}
#info a:hover {
  color: var(--stormlight);
  border-bottom-color: var(--stormlight);
}