@import url("https://fonts.googleapis.com/css2?family=Didact+Gothic&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Didact Gothic", sans-serif;
}
body {
  background-color: #06090f;
}
#stars-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.75rem 3rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(
    to bottom,
    rgba(6, 9, 15, 0.97) 0%,
    rgba(6, 9, 15, 0.6) 70%,
    transparent 100%
  );
}
header h1 {
  font-weight: 400;
  font-size: 2.6rem;
  letter-spacing: 0.22rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
}
header .tagline {
  font-size: 1.5rem;
  letter-spacing: 0.28rem;
  color: rgba(255, 255, 255, 0.797);
  text-transform: uppercase;
}
#canvas-container {
  position: fixed;
  inset: 0;
  z-index: 1;
}
canvas#net {
  width: 100%;
  height: 100%;
  cursor: default;
}
canvas#net:active {
  cursor: grabbing;
}
#tooltip {
  position: fixed;
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  transform: translateY(0.25rem);
}
#tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}
.tooltip-inner {
  background: rgba(8, 12, 22, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 0.9rem 1.3rem;
  backdrop-filter: blur(1.5rem);
  box-shadow:
    0 0.25rem 1.5rem rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.04);
  min-width: 9.75rem;
  text-align: center;
}
.tooltip-name {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 0.2rem;
}
.tooltip-count {
  font-size: 0.7rem;
  letter-spacing: 0.16rem;
  color: rgba(255, 255, 255, 0.38);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.tooltip-btn {
  display: inline-block;
  padding: 0.3rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 3rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.7rem;
  letter-spacing: 0.12rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.2s ease;
  background: transparent;
  cursor: pointer;
}
.tooltip-btn:hover {
  background: white;
  color: #06090f;
  border-color: white;
}
#hint {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  font-size: 0.65rem;
  letter-spacing: 0.22rem;
  color: rgba(255, 255, 255, 0.18);
  text-transform: uppercase;
  white-space: nowrap;
  animation: fadeHint 4s ease 2.5s forwards;
}
@keyframes fadeHint {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
a {
  z-index: 999;
}
a.results-link {
  position: fixed;
  bottom: 2rem;
  right: 2.5rem;
  z-index: 200;
  display: inline-block;
  padding: 0.3rem 1rem;
  border: 1px solid white;
  border-radius: 3rem;
  color: white;
  font-size: 1rem;
  letter-spacing: 0.22em;
  text-decoration: none;
  text-transform: uppercase;
  background: transparent;
  transition: all 0.2s ease;
}
a.results-link:hover {
  background: white;
  color: #06090f;
  border-color: white;
}

.back-btn {
  text-decoration: none;
  color: rgba(0, 0, 0, 0.85);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;

  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.45);
  border-radius: 3rem;
  transition: all 0.2s ease;
  background: transparent;
}
.back-btn:hover {
  background: rgba(0, 0, 0, 0.88);
  color: #ffffff;
  border-color: rgba(0, 0, 0, 0.88);
}