.menu-screen {
  background:
    linear-gradient(90deg, rgba(3, 7, 12, 0.7), rgba(8, 12, 20, 0.25) 32%, rgba(8, 12, 20, 0.34) 70%, rgba(3, 7, 12, 0.76)),
    linear-gradient(180deg, rgba(2, 6, 11, 0.24), rgba(3, 7, 12, 0.34) 52%, rgba(2, 5, 9, 0.86));
}

.menu-universe-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #06080d;
}

.menu-universe-stage::before,
.menu-universe-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.menu-universe-stage::before {
  z-index: 2;
  background:
    radial-gradient(ellipse at 12% 48%, rgba(255, 181, 78, 0.22), transparent 27%),
    radial-gradient(ellipse at 88% 48%, rgba(72, 132, 255, 0.18), transparent 28%),
    radial-gradient(ellipse at 50% 70%, rgba(255, 224, 168, 0.07), transparent 38%);
  mix-blend-mode: screen;
  opacity: 0.78;
  animation: breaklobby-portal-breathe 8s ease-in-out infinite alternate;
}

.menu-universe-stage::after {
  z-index: 4;
  background:
    linear-gradient(90deg, rgba(2, 5, 10, 0.3), transparent 19%, transparent 81%, rgba(2, 5, 10, 0.36)),
    linear-gradient(180deg, rgba(2, 6, 12, 0.04), transparent 56%, rgba(2, 5, 9, 0.52));
}

.menu-universe-art,
.menu-universe-art img,
.menu-universe-vignette,
.menu-universe-stardust {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.menu-universe-art {
  z-index: 0;
}

.menu-universe-art img {
  object-fit: cover;
  object-position: center 50%;
  filter: saturate(0.98) contrast(1.06) brightness(0.58);
  transform: scale(1.02);
  animation: breaklobby-universe-drift 30s ease-in-out infinite alternate;
}

.menu-universe-portal {
  position: absolute;
  top: 50%;
  right: clamp(-120px, -4vw, -30px);
  display: block;
  width: min(48vw, 660px);
  height: min(92vh, 920px);
  z-index: 1;
  object-fit: cover;
  opacity: 0.36;
  transform: translateY(-50%);
  mix-blend-mode: screen;
  filter: saturate(1.12) contrast(1.08);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 0 38%, rgba(0, 0, 0, 0.76) 58%, transparent 78%);
  mask-image: radial-gradient(ellipse at 50% 50%, #000 0 38%, rgba(0, 0, 0, 0.76) 58%, transparent 78%);
}

.menu-universe-portal-crimson {
  display: none;
}

.menu-universe-vignette {
  z-index: 4;
  background:
    linear-gradient(90deg, rgba(4, 6, 10, 0.5), transparent 32%, transparent 68%, rgba(3, 5, 9, 0.44)),
    linear-gradient(180deg, rgba(4, 7, 12, 0.08), rgba(3, 5, 9, 0.18) 58%, rgba(2, 4, 7, 0.66));
}

.menu-universe-stardust {
  z-index: 3;
  opacity: 0.38;
  background:
    radial-gradient(circle at 12% 24%, rgba(255, 226, 157, 0.92) 0 1px, transparent 2px),
    radial-gradient(circle at 67% 17%, rgba(255, 247, 219, 0.82) 0 1px, transparent 2px),
    radial-gradient(circle at 83% 62%, rgba(240, 191, 92, 0.9) 0 1px, transparent 2px),
    radial-gradient(circle at 28% 72%, rgba(147, 220, 255, 0.8) 0 1px, transparent 2px);
  background-size: 170px 170px, 230px 230px, 290px 290px, 360px 360px;
  animation: breaklobby-stardust-drift 22s linear infinite alternate;
}

.menu-screen > :not(.menu-universe-stage) {
  z-index: 1;
}

.game-library-card {
  background-color: rgba(8, 11, 17, 0.94);
}

.backgammon-library-card {
  background-image:
    linear-gradient(180deg, rgba(6, 10, 14, 0.05) 2%, rgba(11, 9, 12, 0.92) 100%),
    url("assets/visual/universe-backgammon.webp");
  background-position: center 43%;
}

.other-games-library-card {
  background-image:
    linear-gradient(180deg, rgba(9, 18, 14, 0.05) 2%, rgba(20, 8, 14, 0.94) 100%),
    url("assets/visual/universe-poker.webp");
  background-position: center 45%;
}

.hybrid-library-card {
  background-image:
    linear-gradient(180deg, rgba(4, 9, 13, 0.03) 2%, rgba(13, 9, 15, 0.93) 100%),
    url("assets/visual/universe-portal-hall.webp");
  background-position: center 44%;
}

.gate-library-card {
  background-image:
    linear-gradient(180deg, rgba(3, 8, 10, 0.12), rgba(9, 10, 15, 0.86)),
    url("assets/visual/universe-chess.webp");
  background-position: center 44%;
  background-size: cover;
}

#backgammonModesModal {
  background:
    linear-gradient(180deg, rgba(7, 8, 12, 0.44), rgba(7, 5, 9, 0.8)),
    url("assets/visual/universe-backgammon.webp") center 52% / cover no-repeat;
}

#chessModesModal {
  background:
    linear-gradient(180deg, rgba(5, 9, 8, 0.5), rgba(5, 6, 9, 0.82)),
    url("assets/visual/universe-chess.webp") center 48% / cover no-repeat;
}

#standalonePokerModesModal {
  background:
    linear-gradient(180deg, rgba(8, 4, 9, 0.5), rgba(11, 4, 8, 0.84)),
    url("assets/visual/universe-poker.webp") center 47% / cover no-repeat;
}

#hybridModesModal {
  background:
    linear-gradient(180deg, rgba(3, 7, 10, 0.42), rgba(6, 5, 10, 0.84)),
    url("assets/visual/universe-portal-hall.webp") center 46% / cover no-repeat;
}

.backgammon-mode-dialog,
.chess-mode-dialog,
.standalone-poker-mode-dialog,
.hybrid-mode-dialog {
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.68),
    0 0 0 1px rgba(248, 209, 124, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

@keyframes breaklobby-stardust-drift {
  from { transform: translate3d(-0.5%, -0.5%, 0) scale(1); }
  to { transform: translate3d(0.7%, 0.8%, 0) scale(1.025); }
}

@keyframes breaklobby-universe-drift {
  from { transform: scale(1.02) translate3d(-0.35%, -0.2%, 0); }
  to { transform: scale(1.055) translate3d(0.35%, 0.25%, 0); }
}

@keyframes breaklobby-portal-breathe {
  from { opacity: 0.58; filter: saturate(0.9); }
  to { opacity: 0.88; filter: saturate(1.15); }
}

@media (orientation: portrait) {
  .menu-universe-art img {
    object-position: center 44%;
    filter: saturate(0.92) contrast(1.08) brightness(0.58);
    animation-duration: 36s;
  }

  .menu-universe-portal-gold {
    display: none;
  }

  .menu-universe-portal-crimson {
    top: 42%;
    right: -22vw;
    display: block;
    width: 88vw;
    height: 72vh;
    opacity: 0.26;
  }
}

@media (max-width: 700px) {
  .menu-universe-stardust {
    opacity: 0.26;
  }

  .game-library-card {
    background-position: center 38%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu-universe-art img,
  .menu-universe-stage::before {
    animation: none;
  }

  .menu-universe-portal {
    display: none !important;
  }

  .menu-universe-stardust {
    animation: none;
  }
}