:root {
  --bg-top: #f7fff3;
  --bg-bottom: #d8f7ff;
  --ink: #102031;
  --muted: #59707c;
  --panel: rgba(255, 255, 255, 0.7);
  --panel-strong: rgba(255, 255, 255, 0.88);
  --line: rgba(16, 32, 49, 0.08);
  --mint: #63e9a9;
  --teal: #2fc6d5;
  --sun: #ffc95d;
  --coral: #ff7d71;
  --berry: #8e6cff;
  --glow: 0 28px 70px rgba(47, 198, 213, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  touch-action: manipulation;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(99, 233, 169, 0.28), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 201, 93, 0.25), transparent 26%),
    radial-gradient(circle at bottom right, rgba(47, 198, 213, 0.18), transparent 24%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

body::before,
body::after {
  content: "";
  position: fixed;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  filter: blur(24px);
  z-index: -1;
  opacity: 0.55;
}

body::before {
  left: -7rem;
  bottom: -8rem;
  background: rgba(99, 233, 169, 0.35);
}

body::after {
  right: -6rem;
  top: -8rem;
  background: rgba(142, 108, 255, 0.16);
}

.app-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.glass-card {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--glow);
}

.hero-copy,
.hero-side,
.arcade-panel {
  padding: 1.8rem;
}

.eyebrow,
.panel-label {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  color: var(--muted);
}

h1,
h2 {
  margin: 0;
  font-family: "Sora", sans-serif;
}

h1 {
  font-size: clamp(2.9rem, 5vw, 5.3rem);
  line-height: 0.94;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.subtitle,
.section-copy,
.hero-note,
.status-text,
.game-copy,
.overlay-copy {
  color: var(--muted);
  line-height: 1.65;
}

.subtitle {
  max-width: 52rem;
  font-size: 1.05rem;
  margin: 1rem 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 1.4rem;
}

.hero-copy {
  padding: 2.3rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.62)),
    radial-gradient(circle at top right, rgba(47, 198, 213, 0.18), transparent 28%);
}

.hero-note,
.section-copy,
.status-text,
.game-copy,
.overlay-copy,
.active-howto {
  margin: 0;
}

.feature-list {
  display: grid;
  gap: 0.9rem;
}

.feature-chip {
  padding: 1rem 1.05rem;
  border-radius: 22px;
  background: var(--panel-strong);
  border: 1px solid rgba(16, 32, 49, 0.05);
}

.feature-chip strong,
.game-card strong,
.stat-card strong {
  display: block;
}

.feature-chip span,
.game-card span,
.stat-card span,
.meta-pill {
  color: var(--muted);
}

.library {
  margin-top: 1.3rem;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.game-grid {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 0.25rem 0.1rem 0.5rem;
  scrollbar-width: none;
}

.game-grid::-webkit-scrollbar {
  display: none;
}

.slider-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.9rem;
  align-items: center;
}

.slider-button {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(16, 32, 49, 0.08);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-size: 1.8rem;
  line-height: 1;
  box-shadow: 0 16px 32px rgba(16, 32, 49, 0.08);
}

.slider-button:hover {
  background: rgba(255, 255, 255, 0.96);
}

.game-slide {
  flex: 0 0 min(320px, 86vw);
  scroll-snap-align: start;
}

.game-card {
  position: relative;
  overflow: hidden;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.6));
  box-shadow: var(--glow);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.game-card::before {
  content: "";
  position: absolute;
  inset: auto -3rem -3rem auto;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: var(--accent, rgba(47, 198, 213, 0.18));
  filter: blur(6px);
}

.game-card:hover,
.game-card.active {
  transform: translateY(-3px);
  border-color: rgba(16, 32, 49, 0.16);
  box-shadow: 0 30px 60px rgba(16, 32, 49, 0.12);
}

.game-card-header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: start;
}

.game-card h3 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: 1.25rem;
}

.active-howto {
  margin-top: 0.9rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(16, 32, 49, 0.06);
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.play-button,
.mini-button,
.sound-toggle,
.slider-button,
.game-card,
.droplet,
.pattern-pad,
.sum-tile,
.orbit-tile,
.hidden-item,
.puzzle-cell,
.escape-block,
.control-button,
.rubik-control {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.meta-pill {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.82rem;
  background: rgba(255, 255, 255, 0.7);
}

.game-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.mini-button {
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 0.95rem;
  font: inherit;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, #00c2a8, #0090c5);
  cursor: pointer;
}

.arcade-panel {
  margin-top: 1.4rem;
}

.arcade-head {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 1.2rem;
  align-items: start;
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card {
  padding: 1rem 1.1rem;
  border-radius: 22px;
  background: var(--panel-strong);
  border: 1px solid rgba(16, 32, 49, 0.05);
}

.stat-card strong {
  margin-top: 0.25rem;
  font-size: clamp(1.6rem, 2.5vw, 2.25rem);
}

.controls-panel {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 1.2rem;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(16, 32, 49, 0.06);
}

.meter-wrap {
  align-self: center;
}

.meter-labels {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.7rem;
  color: var(--muted);
}

.meter {
  height: 18px;
  border-radius: 999px;
  background: rgba(16, 32, 49, 0.08);
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--teal), var(--sun));
  transition: width 180ms ease;
}

.actions {
  display: grid;
  gap: 0.7rem;
  justify-items: start;
}

.play-button {
  border: 0;
  border-radius: 999px;
  padding: 0.95rem 1.5rem;
  font: inherit;
  font-weight: 700;
  color: white;
  cursor: pointer;
  background: linear-gradient(135deg, #00c2a8, #0090c5);
  box-shadow: 0 18px 35px rgba(0, 144, 197, 0.28);
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.play-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(0, 144, 197, 0.32);
}

.sound-toggle {
  border-radius: 999px;
  padding: 0.85rem 1.05rem;
  border: 1px solid rgba(16, 32, 49, 0.08);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  font-weight: 700;
  box-shadow: 0 12px 24px rgba(16, 32, 49, 0.07);
}

.sound-toggle:hover {
  background: rgba(255, 255, 255, 0.95);
}

.sound-toggle.is-muted {
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
}

.game-stage {
  margin-top: 1.25rem;
}

.stage-shell {
  position: relative;
  overflow: hidden;
  min-height: 62vh;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.14)),
    linear-gradient(145deg, rgba(99, 233, 169, 0.22), rgba(47, 198, 213, 0.18), rgba(255, 201, 93, 0.2));
}

.playfield {
  position: relative;
  min-height: 62vh;
  overflow: hidden;
}

.playfield::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: 0.22;
  pointer-events: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(10, 24, 34, 0.1);
  backdrop-filter: blur(6px);
  transition: opacity 220ms ease, visibility 220ms ease;
}

.overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.overlay-card {
  width: min(30rem, 100%);
  padding: 1.8rem;
  border-radius: 28px;
  text-align: center;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(16, 32, 49, 0.05);
}

.overlay-label {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
}

.overlay-card h2 {
  margin: 0.55rem 0;
}

.droplet,
.pulse-target {
  position: absolute;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.droplet {
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  animation: pop-in 170ms ease forwards;
  box-shadow: inset 0 -10px 18px rgba(255, 255, 255, 0.25), 0 16px 28px rgba(16, 32, 49, 0.16);
}

.droplet::after,
.pulse-target::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.74);
}

.droplet::after {
  inset: 18% 22% auto auto;
  width: 26%;
  height: 26%;
}

.droplet.good {
  background: radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.96), rgba(99, 233, 169, 0.95) 38%, rgba(47, 198, 213, 1));
}

.droplet.bonus {
  background: radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.98), rgba(255, 201, 93, 0.98) 34%, rgba(255, 125, 113, 1));
}

.droplet.bad {
  background: radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.96), rgba(255, 125, 113, 0.92) 38%, rgba(142, 108, 255, 0.96));
}

.droplet.expiring {
  animation: wobble 350ms linear infinite;
}

.burst,
.floating-message {
  position: absolute;
  transform: translate(-50%, -50%);
  font-weight: 700;
  color: var(--ink);
  pointer-events: none;
}

.burst {
  animation: float-up 650ms ease forwards;
}

.pulse-target {
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 20px 32px rgba(16, 32, 49, 0.14);
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.96), rgba(255, 201, 93, 0.94) 34%, rgba(255, 125, 113, 0.98));
  animation: pulse-ring 1s ease-out infinite;
}

.pulse-target::after {
  inset: 18% 20% auto auto;
  width: 24%;
  height: 24%;
}

.pattern-board,
.sum-board,
.orbit-board {
  position: absolute;
  inset: 1.5rem;
}

.pattern-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.pattern-pad {
  border: 0;
  border-radius: 28px;
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  box-shadow: 0 20px 38px rgba(16, 32, 49, 0.12);
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
}

.pattern-pad.active {
  transform: scale(0.97);
  box-shadow: 0 10px 22px rgba(16, 32, 49, 0.14);
  filter: brightness(1.08);
}

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

.sum-tile {
  border: 0;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
  font: inherit;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  box-shadow: 0 20px 36px rgba(16, 32, 49, 0.1);
  transition: transform 120ms ease, background 120ms ease;
}

.sum-tile:hover,
.sum-tile.selected {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 201, 93, 0.78));
}

.orbit-board {
  position: absolute;
  inset: 0;
}

.orbit-tile {
  position: absolute;
  width: 72px;
  height: 72px;
  border: 0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(99, 233, 169, 0.86));
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  box-shadow: 0 20px 34px rgba(16, 32, 49, 0.12);
  transition: transform 120ms ease, background 120ms ease;
}

.orbit-tile:hover,
.orbit-tile.correct {
  transform: translate(-50%, -50%) scale(0.96);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(47, 198, 213, 0.82));
}

.hidden-board {
  position: absolute;
  inset: 1rem;
  overflow: hidden;
  border-radius: 28px;
}

.hidden-board::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.28;
  pointer-events: none;
}

.citrus-board::before {
  background: radial-gradient(circle at 20% 20%, rgba(255, 201, 93, 0.35), transparent 28%), radial-gradient(circle at 80% 70%, rgba(99, 233, 169, 0.26), transparent 30%);
}

.leaf-board::before {
  background: radial-gradient(circle at 30% 30%, rgba(99, 233, 169, 0.32), transparent 26%), radial-gradient(circle at 75% 60%, rgba(47, 198, 213, 0.22), transparent 28%);
}

.star-board::before {
  background: radial-gradient(circle at 25% 25%, rgba(142, 108, 255, 0.28), transparent 26%), radial-gradient(circle at 80% 35%, rgba(255, 255, 255, 0.18), transparent 16%);
}

.glyph-board::before {
  background: linear-gradient(135deg, rgba(47, 198, 213, 0.14), rgba(255, 255, 255, 0.06));
}

.bubble-board::before {
  background: radial-gradient(circle at 20% 20%, rgba(255, 125, 113, 0.24), transparent 24%), radial-gradient(circle at 70% 65%, rgba(47, 198, 213, 0.22), transparent 30%);
}

.hidden-item {
  position: absolute;
  border: 0;
  background: transparent;
  color: rgba(16, 32, 49, 0.78);
  font: inherit;
  font-weight: 700;
  transition: transform 120ms ease, opacity 120ms ease, filter 120ms ease;
  user-select: none;
}

.hidden-item:hover {
  filter: brightness(1.08);
}

.hidden-item.miss {
  opacity: 0.35;
  filter: grayscale(0.2);
}

.hidden-item.citrus,
.hidden-item.bubble {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.hidden-item.leaf,
.hidden-item.star,
.hidden-item.glyph {
  padding: 0.35rem 0.5rem;
}

.hidden-item.star {
  color: rgba(77, 57, 161, 0.92);
  text-shadow: 0 0 10px rgba(142, 108, 255, 0.4);
}

.hidden-item.leaf {
  color: rgba(49, 123, 83, 0.92);
}

.hidden-item.citrus {
  color: rgba(194, 126, 8, 0.9);
}

.hidden-item.glyph {
  color: rgba(30, 97, 119, 0.9);
}

.hidden-item.bubble {
  color: rgba(187, 85, 108, 0.88);
}

.memory-board {
  position: absolute;
  inset: 2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.memory-card {
  position: relative;
  min-height: 110px;
  border-radius: 24px;
  transform-style: preserve-3d;
  transition: transform 200ms ease;
  background: transparent;
}

.memory-card.flipped {
  transform: rotateY(180deg);
}

.memory-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: inherit;
  backface-visibility: hidden;
}

.memory-front {
  background: linear-gradient(135deg, rgba(47, 198, 213, 0.95), rgba(99, 233, 169, 0.95));
  color: white;
  font-size: 1.7rem;
}

.memory-back {
  transform: rotateY(180deg);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 0 0 1px rgba(16, 32, 49, 0.06);
  font-size: 2rem;
}

.memory-card.matched .memory-back {
  background: linear-gradient(135deg, rgba(255, 201, 93, 0.92), rgba(99, 233, 169, 0.95));
}

.color-board {
  position: absolute;
  inset: 2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.color-tile {
  position: relative;
  border-radius: 28px;
  box-shadow: 0 18px 36px rgba(16, 32, 49, 0.1);
  transition: transform 120ms ease, filter 120ms ease;
}

.color-tile:hover {
  transform: scale(1.02);
  filter: saturate(1.05);
}

.game-prompt {
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  font-weight: 700;
  z-index: 1;
}

.focus-lane {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.focus-ring {
  width: min(42vw, 300px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 16px solid rgba(255, 255, 255, 0.55);
  box-shadow: inset 0 0 0 1px rgba(16, 32, 49, 0.06);
}

.focus-dot {
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.96), rgba(99, 233, 169, 0.95) 35%, rgba(47, 198, 213, 1));
  box-shadow: 0 18px 30px rgba(16, 32, 49, 0.14);
  cursor: pointer;
}

.puzzle-board {
  position: absolute;
  inset: 1.25rem;
  display: grid;
  gap: 0.55rem;
  width: min(100%, 34rem);
  max-width: calc(100% - 2.5rem);
  max-height: calc(100% - 2.5rem);
  margin: auto;
  padding: 0.75rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(16, 32, 49, 0.07);
  box-shadow: 0 26px 54px rgba(16, 32, 49, 0.1);
}

.puzzle-cell {
  position: relative;
  border: 0;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  display: grid;
  place-items: center;
  font: inherit;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(16, 32, 49, 0.06);
  transition: transform 120ms ease, background 120ms ease, box-shadow 120ms ease;
  user-select: none;
}

button.puzzle-cell,
.escape-block,
.control-button,
.rubik-control {
  cursor: pointer;
}

button.puzzle-cell:hover,
.escape-block:hover,
.control-button:hover,
.rubik-control:hover {
  transform: translateY(-1px);
}

.path-board {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(216, 247, 255, 0.82)),
    linear-gradient(135deg, rgba(99, 233, 169, 0.2), rgba(47, 198, 213, 0.16));
}

.path-cell {
  background: rgba(255, 255, 255, 0.92);
}

.path-cell.blocked {
  background: rgba(16, 32, 49, 0.14);
  box-shadow: inset 0 0 0 1px rgba(16, 32, 49, 0.02);
}

.path-cell.visited {
  background: rgba(99, 233, 169, 0.26);
}

.path-cell.start,
.path-cell.end {
  background: linear-gradient(135deg, rgba(47, 198, 213, 0.95), rgba(99, 233, 169, 0.95));
  color: white;
}

.path-cell.end {
  background: linear-gradient(135deg, rgba(255, 201, 93, 0.94), rgba(255, 125, 113, 0.94));
}

.path-cell.player {
  box-shadow: inset 0 0 0 2px rgba(16, 32, 49, 0.12), 0 10px 22px rgba(16, 32, 49, 0.1);
  transform: scale(0.97);
}

.pipe-board {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(216, 247, 255, 0.72)),
    radial-gradient(circle at top right, rgba(47, 198, 213, 0.18), transparent 32%);
}

.pipe-tile {
  overflow: hidden;
  background: linear-gradient(180deg, rgba(246, 251, 255, 0.98), rgba(225, 239, 246, 0.92));
}

.pipe-tile.lit {
  background: linear-gradient(180deg, rgba(228, 255, 246, 0.96), rgba(203, 247, 255, 0.94));
  box-shadow: inset 0 0 0 1px rgba(47, 198, 213, 0.18), 0 12px 24px rgba(47, 198, 213, 0.14);
}

.pipe-seg,
.pipe-core {
  position: absolute;
  border-radius: 999px;
  background: rgba(16, 32, 49, 0.2);
  transition: background 120ms ease, box-shadow 120ms ease;
}

.pipe-tile.lit .pipe-seg,
.pipe-tile.lit .pipe-core {
  background: rgba(47, 198, 213, 0.96);
  box-shadow: 0 0 12px rgba(47, 198, 213, 0.34);
}

.pipe-core {
  inset: 36%;
}

.pipe-seg.up {
  top: 10%;
  left: 42%;
  width: 16%;
  height: 34%;
}

.pipe-seg.down {
  bottom: 10%;
  left: 42%;
  width: 16%;
  height: 34%;
}

.pipe-seg.left {
  left: 10%;
  top: 42%;
  width: 34%;
  height: 16%;
}

.pipe-seg.right {
  right: 10%;
  top: 42%;
  width: 34%;
  height: 16%;
}

.pipe-tile.source::after,
.pipe-tile.sink::after {
  position: absolute;
  inset: auto auto 8% 8%;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(16, 32, 49, 0.65);
}

.pipe-tile.source::after {
  content: "SRC";
}

.pipe-tile.sink::after {
  content: "END";
}

.laser-board {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(252, 247, 226, 0.8)),
    radial-gradient(circle at top left, rgba(255, 201, 93, 0.16), transparent 28%);
}

.laser-cell {
  background: rgba(255, 255, 255, 0.92);
}

.laser-cell.beam {
  background: linear-gradient(135deg, rgba(255, 245, 186, 0.98), rgba(255, 201, 93, 0.92));
  box-shadow: inset 0 0 0 1px rgba(255, 201, 93, 0.24), 0 0 18px rgba(255, 201, 93, 0.22);
}

.laser-cell.mirror {
  font-size: 1.4rem;
  background: linear-gradient(180deg, rgba(233, 241, 255, 0.96), rgba(255, 255, 255, 0.92));
}

.laser-cell.laser-source,
.laser-cell.laser-target {
  color: white;
}

.laser-cell.laser-source {
  background: linear-gradient(135deg, rgba(47, 198, 213, 0.96), rgba(99, 233, 169, 0.94));
}

.laser-cell.laser-target {
  background: linear-gradient(135deg, rgba(255, 125, 113, 0.94), rgba(255, 201, 93, 0.94));
}

.escape-shell,
.sokoban-shell,
.maze-shell,
.rubik-shell {
  position: absolute;
  inset: 1.25rem;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 1rem;
}

.escape-board {
  --board-size: 6;
  position: relative;
  width: min(100%, 28rem);
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(var(--board-size), minmax(0, 1fr));
  grid-template-rows: repeat(var(--board-size), minmax(0, 1fr));
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(16, 32, 49, 0.08);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 24px 48px rgba(16, 32, 49, 0.1);
}

.escape-cell {
  border: 1px solid rgba(16, 32, 49, 0.06);
  background: rgba(255, 255, 255, 0.34);
}

.escape-exit {
  position: absolute;
  right: -0.4rem;
  width: 0.8rem;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 201, 93, 0.95), rgba(255, 125, 113, 0.95));
  box-shadow: 0 0 18px rgba(255, 201, 93, 0.28);
}

.escape-block {
  position: absolute;
  border: 0;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(216, 247, 255, 0.98), rgba(255, 255, 255, 0.92));
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  box-shadow: 0 14px 28px rgba(16, 32, 49, 0.12);
}

.escape-block.main {
  background: linear-gradient(135deg, rgba(255, 125, 113, 0.94), rgba(255, 201, 93, 0.94));
  color: white;
}

.escape-block.selected {
  box-shadow: inset 0 0 0 2px rgba(16, 32, 49, 0.18), 0 18px 30px rgba(16, 32, 49, 0.14);
}

.control-pad {
  width: min(100%, 14rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.control-button,
.rubik-control {
  min-height: 3.25rem;
  border: 0;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  box-shadow: 0 14px 28px rgba(16, 32, 49, 0.08);
}

.control-spacer {
  min-height: 3.25rem;
}

.colorpath-board {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(249, 244, 255, 0.78)),
    radial-gradient(circle at top right, rgba(142, 108, 255, 0.16), transparent 30%);
}

.colorpath-cell {
  background: rgba(255, 255, 255, 0.94);
  color: white;
}

.colorpath-cell.endpoint {
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.55), 0 16px 28px rgba(16, 32, 49, 0.09);
}

.numbertrail-board {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(216, 247, 255, 0.76)),
    radial-gradient(circle at top left, rgba(47, 198, 213, 0.16), transparent 30%);
}

.numbertrail-cell {
  font-size: 1.05rem;
}

.numbertrail-cell.blank {
  background: rgba(16, 32, 49, 0.06);
  box-shadow: none;
}

.numbertrail-cell.done {
  background: linear-gradient(135deg, rgba(99, 233, 169, 0.88), rgba(47, 198, 213, 0.86));
  color: white;
}

.sokoban-shell .puzzle-board,
.maze-shell .puzzle-board,
.rubik-shell .puzzle-board {
  position: relative;
  inset: auto;
  margin: 0;
  max-width: 100%;
  max-height: none;
}

.sokoban-shell .puzzle-board,
.maze-shell .puzzle-board {
  width: min(100%, 26rem);
}

.rubik-shell .puzzle-board {
  width: min(100%, 18rem);
}

.sokoban-board,
.maze-board,
.rubik-board {
  background: rgba(255, 255, 255, 0.76);
}

.sokoban-cell.wall,
.maze-cell.wall {
  background: rgba(16, 32, 49, 0.18);
  box-shadow: none;
}

.sokoban-cell.goal {
  background: linear-gradient(135deg, rgba(255, 201, 93, 0.28), rgba(255, 255, 255, 0.9));
}

.sokoban-cell.box {
  background: linear-gradient(135deg, rgba(255, 201, 93, 0.95), rgba(255, 125, 113, 0.92));
  color: white;
}

.sokoban-cell.player,
.maze-cell.player {
  background: linear-gradient(135deg, rgba(47, 198, 213, 0.94), rgba(99, 233, 169, 0.94));
  color: white;
}

.maze-cell.start,
.maze-cell.end {
  color: white;
}

.maze-cell.start {
  background: linear-gradient(135deg, rgba(47, 198, 213, 0.94), rgba(99, 233, 169, 0.94));
}

.maze-cell.end {
  background: linear-gradient(135deg, rgba(255, 125, 113, 0.94), rgba(255, 201, 93, 0.94));
}

.color-red {
  background: linear-gradient(135deg, #ff7d71, #ff9c7f);
}

.color-blue {
  background: linear-gradient(135deg, #2fc6d5, #6be0ec);
}

.color-green {
  background: linear-gradient(135deg, #42c28b, #77efb0);
}

.color-gold {
  background: linear-gradient(135deg, #ffc95d, #ffe58a);
}

.rubik-cell {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.rubik-controls {
  width: min(100%, 22rem);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.flip-board {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(240, 255, 245, 0.8)),
    radial-gradient(circle at top left, rgba(99, 233, 169, 0.16), transparent 30%);
}

.flip-cell.on {
  background: linear-gradient(135deg, rgba(99, 233, 169, 0.96), rgba(47, 198, 213, 0.92));
}

.flip-cell.off {
  background: rgba(16, 32, 49, 0.12);
  box-shadow: inset 0 0 0 1px rgba(16, 32, 49, 0.04);
}

@keyframes pop-in {
  from {
    transform: translate(-50%, -50%) scale(0.4);
    opacity: 0;
  }
  to {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

@keyframes float-up {
  from {
    opacity: 0;
    transform: translate(-50%, -20%) scale(0.82);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -130%) scale(1.05);
  }
}

@keyframes wobble {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1) rotate(0deg);
  }
  25% {
    transform: translate(-50%, -50%) scale(1.02) rotate(2deg);
  }
  75% {
    transform: translate(-50%, -50%) scale(1.02) rotate(-2deg);
  }
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 125, 113, 0.34);
  }
  100% {
    box-shadow: 0 0 0 30px rgba(255, 125, 113, 0);
  }
}

@media (max-width: 1080px) {
  .arcade-head {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .controls-panel {
    grid-template-columns: 1fr;
  }

  .stage-shell,
  .playfield {
    min-height: 58vh;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 1rem, 100%);
    padding-top: 0.75rem;
  }

  .glass-card,
  .game-card,
  .stage-shell {
    border-radius: 24px;
  }

  .game-grid,
  .scoreboard,
  .memory-board,
  .color-board {
    grid-template-columns: 1fr;
  }

  .memory-board,
  .color-board,
  .pattern-board,
  .sum-board,
  .hidden-board,
  .puzzle-board,
  .escape-shell,
  .sokoban-shell,
  .maze-shell,
  .rubik-shell {
    inset: 1rem;
  }

  .pattern-board,
  .sum-board {
    grid-template-columns: 1fr;
  }

  .puzzle-cell,
  .control-button,
  .rubik-control {
    border-radius: 15px;
  }

  .control-pad,
  .rubik-controls {
    width: min(100%, 100%);
  }

  .slider-shell {
    grid-template-columns: 1fr;
  }

  .slider-button {
    display: none;
  }
}