:root {
  --arena-accent: #7ce9cc;
  --arena-muted: #aebbd0;
  --arena-border: rgba(179, 211, 255, .19);
}

.arena-skip {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .65rem 1rem;
  transform: translateY(-160%);
  border-radius: .5rem;
  background: var(--arena-accent);
  color: #07131d;
}

.arena-skip:focus { transform: none; }

:where(a, button, input):focus-visible {
  outline: 2px solid var(--arena-accent);
  outline-offset: 4px;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .6rem;
}

.topbar nav a {
  padding: .4rem .6rem;
  border-radius: .55rem;
}

.topbar nav a:hover,
.topbar nav a[aria-current="page"] {
  color: var(--arena-accent);
  background: rgba(124, 233, 204, .1);
}

.hero-panel {
  border: 1px solid var(--arena-border);
  box-shadow: 0 22px 58px rgba(4, 8, 20, .55), 0 0 32px rgba(117, 103, 247, .13);
}

.arena-guide {
  max-width: 1180px;
  margin: 1rem auto 3.25rem;
  padding: clamp(1rem, 3vw, 1.75rem);
  border: 1px solid var(--arena-border);
  border-radius: 1.15rem;
  background: linear-gradient(115deg, #15263b, #171b2e 70%);
}

.arena-guide .eyebrow { color: var(--arena-accent); }
.arena-guide h2 { margin: .3rem 0 1rem; color: #f1f5ff; }

.arena-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
}

.arena-guide-grid a {
  display: grid;
  grid-template-columns: minmax(2rem, auto) minmax(0, 1fr) auto;
  gap: .65rem;
  align-items: start;
  padding: .9rem;
  border: 1px solid var(--arena-border);
  border-radius: .8rem;
  background: rgba(6, 13, 27, .5);
  color: #f1f5ff;
  text-decoration: none;
}

.arena-guide-grid a:hover { border-color: var(--arena-accent); }
.arena-guide-grid strong, .arena-guide-grid small { display: block; }
.arena-guide-grid small { margin-top: .3rem; color: var(--arena-muted); line-height: 1.4; }
.arena-guide-index, .arena-guide-arrow { color: var(--arena-accent); }
.arena-guide-index { font-variant-numeric: tabular-nums; }

.arena-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 1rem;
}

.arena-filters button {
  min-height: 2.5rem;
  padding: .4rem .8rem;
  border: 1px solid var(--arena-border);
  border-radius: 999px;
  background: #141e30;
  color: #eef3ff;
  font: inherit;
  cursor: pointer;
}

.arena-filters button[aria-pressed="true"] {
  border-color: var(--arena-accent);
  background: var(--arena-accent);
  color: #07131d;
}

.game-grid > [hidden] { display: none; }

@media (max-width: 760px) {
  .arena-guide-grid { grid-template-columns: 1fr; }
  .arena-guide { margin-bottom: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .arena-guide *, .topbar nav a { transition: none; }
}