:root {
  color-scheme: dark;
  --ink: #e9f1ff;
  --muted: rgba(233, 241, 255, 0.65);
  --accent: #6ed4ff;
  --bg: #03050d;
  --panel: rgba(8, 12, 24, 0.75);
  --stroke: rgba(110, 212, 255, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 10%, rgba(32, 62, 120, 0.5), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(54, 40, 120, 0.45), transparent 45%),
    var(--bg);
  color: var(--ink);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 5vw, 48px) 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: blur(14px);
}

.title-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.badge {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(10, 20, 40, 0.7);
  border: 1px solid rgba(110, 212, 255, 0.3);
  font-size: 0.7rem;
  letter-spacing: 0.2rem;
  text-transform: uppercase;
  color: var(--muted);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  color: var(--muted);
  text-decoration: none;
}

.back-link:hover {
  color: var(--ink);
}

h1 {
  margin: 0;
  font-family: "Syne", "Manrope", sans-serif;
  font-size: clamp(1.8rem, 2.6vw + 1rem, 2.8rem);
  letter-spacing: 0.01em;
}

p {
  margin: 0;
  color: var(--muted);
}

.meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hint {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(110, 212, 255, 0.25);
  background: rgba(8, 14, 30, 0.6);
  font-size: 0.85rem;
  color: var(--muted);
}

.stage {
  flex: 1;
  position: relative;
}

#scene {
  width: 100%;
  height: 100%;
  display: block;
}

@media (max-width: 700px) {
  .topbar {
    padding: 20px 20px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .topbar {
    backdrop-filter: none;
  }
}