:root {
  color-scheme: dark;
  background: #000;
  color: #f4f4f4;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
}

* { box-sizing: border-box; }

body { margin: 0; background: #000; }

.hub {
  min-block-size: 100vh;
  min-block-size: 100svh;
  display: grid;
  place-items: center;
  padding: max(32px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(64px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
}

.hub-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(36px, 7vh, 68px);
  inline-size: min(100%, 36rem);
  text-align: center;
}

h1 {
  margin: 0;
  padding-inline-start: .16em;
  color: #f4f4f4;
  font-size: clamp(1.3rem, 4.2vw, 2.65rem);
  font-weight: 400;
  letter-spacing: .16em;
  line-height: 1.35;
}

.menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  inline-size: min(100%, 20rem);
}

.menu-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-block-size: 64px;
  padding: 18px 32px;
  border-radius: 2px;
  color: #aaa;
  font-size: clamp(.875rem, 2.8vw, 1rem);
  font-weight: 400;
  letter-spacing: .16em;
  line-height: 1.5;
  text-decoration: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(255, 255, 255, .14);
  transition: color 130ms ease, background-color 130ms ease, transform 130ms ease;
}

.menu-link::before {
  content: "";
  position: absolute;
  inset-inline-start: 20px;
  inline-size: 6px;
  block-size: 6px;
  border-block-start: 1px solid currentColor;
  border-inline-end: 1px solid currentColor;
  opacity: 0;
  transform: translateX(-4px) rotate(45deg);
  transition: opacity 130ms ease, transform 130ms ease;
}

.menu-link:focus-visible {
  outline: 1px solid #aaa;
  outline-offset: 4px;
  background: #0a0a0a;
  color: #fff;
}

.menu-link:focus-visible::before,
.menu-link:active::before {
  opacity: 1;
  transform: translateX(0) rotate(45deg);
}

@media (hover: hover) and (pointer: fine) {
  .menu-link:hover {
    background: #0a0a0a;
    color: #fff;
    transform: translateX(3px);
  }

  .menu-link:hover::before {
    opacity: 1;
    transform: translateX(0) rotate(45deg);
  }
}

.menu-link:active {
  background: #181818;
  color: #fff;
  transform: scale(.97);
  transition-duration: 0ms;
}

.placeholder { gap: 24px; }

.status {
  margin: 0;
  color: #aaa;
  font-size: .75rem;
  letter-spacing: .16em;
  line-height: 1.8;
  text-wrap: balance;
}

.back-link {
  inline-size: min(100%, 12rem);
  margin-block-start: 24px;
}

@media (max-height: 440px) {
  .hub { padding-block: 24px; }
  .hub-panel { gap: 24px; }
  .menu { gap: 4px; }
  .menu-link { min-block-size: 48px; padding-block: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .menu-link,
  .menu-link::before { transition: none; }
  .menu-link:hover,
  .menu-link:active { transform: none; }
}