/* Shared game canvas & UI styles — viewport-fit layout (no scroll in game area) */

.game-wrap {
  width: 100%;
  height: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  overflow: hidden;
  min-height: 0;
}

.game-wrap--fit {
  justify-content: stretch;
}

.game-top-bar {
  flex-shrink: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.game-bottom-bar {
  flex-shrink: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.game-play-area {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.game-canvas {
  display: block;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-strong);
  background: #0a0a14;
  max-width: 100%;
  max-height: 100%;
  touch-action: none;
}

.game-hud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  width: 100%;
}

.game-hud--compact .hud-item {
  padding: 0.35rem 0.75rem;
  min-width: 72px;
}

.hud-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  text-align: center;
  min-width: 90px;
}

.hud-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  display: block;
}

.hud-value {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.game-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.game-toolbar--inline {
  margin: 0;
}

.game-msg {
  text-align: center;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.game-msg--compact {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  width: 100%;
}

.game-msg.win {
  background: rgba(42, 157, 143, 0.2);
  color: var(--accent-teal);
  border: 1px solid rgba(42, 157, 143, 0.4);
}

.game-msg.lose {
  background: rgba(231, 111, 81, 0.2);
  color: var(--accent-coral);
  border: 1px solid rgba(231, 111, 81, 0.4);
}

.game-msg.info {
  background: rgba(123, 104, 238, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(123, 104, 238, 0.3);
}

/* ── Marble Solo ── */
.marble-game {
  width: 100%;
  max-width: none;
}

.marble-board-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.marble-board {
  display: block;
}

.marble-hand {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  justify-content: center;
  overflow-x: auto;
  max-width: 100%;
  padding: 0.15rem 0;
  scrollbar-width: none;
}

.marble-hand::-webkit-scrollbar { display: none; }

.marble-card {
  width: 44px;
  height: 60px;
  flex-shrink: 0;
  background: linear-gradient(145deg, #fff, #e8e0d5);
  border: 2px solid #ccc;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: #1a1a2e;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  user-select: none;
}

.marble-card:hover:not(.disabled) {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(244, 162, 97, 0.4);
  border-color: var(--accent-saffron);
}

.marble-card.selected {
  border-color: var(--accent-saffron);
  box-shadow: 0 0 0 3px rgba(244, 162, 97, 0.4);
}

.marble-card.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.marble-card .card-rank { font-size: 1rem; }
.marble-card .card-suit { font-size: 0.75rem; }

.marble-status {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-height: 1.25em;
  width: 100%;
}

.marble-bottom-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  width: 100%;
}

/* ── Memory Game ── */
.memory-game .game-top-bar {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.memory-play-area {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.memory-grid {
  display: grid;
  margin: 0 auto;
  justify-content: center;
  align-content: center;
}

.memory-card {
  width: var(--mm-cell, 72px);
  height: var(--mm-cell, 72px);
  padding: 0;
  border: none;
  background: none;
  perspective: 600px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.memory-card:focus-visible {
  outline: 2px solid var(--accent-saffron);
  outline-offset: 2px;
}

.memory-card-inner {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.4s ease;
  border-radius: var(--radius-sm);
}

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

.memory-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border);
}

.memory-face.front {
  background: var(--bg-elevated);
  color: var(--accent-purple);
  font-weight: 700;
  font-size: clamp(0.85rem, 3vw, 1.2rem);
}

.memory-face.back {
  background: var(--gradient-card);
  transform: rotateY(180deg);
  border-color: var(--border-strong);
  font-size: clamp(1rem, 4vw, 1.6rem);
}

.memory-card.matched .memory-face.back {
  border-color: var(--accent-teal);
  background: rgba(42, 157, 143, 0.2);
}

.memory-diff .btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

/* ── Cascade (4096) ── */
.cascade-play-area {
  width: 100%;
}

.cascade-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(4px, 1vw, 8px);
  background: var(--bg-elevated);
  padding: clamp(6px, 1.5vw, 12px);
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  width: min(100%, 360px);
  margin: 0 auto;
  aspect-ratio: 1;
}

.cascade-cell {
  aspect-ratio: 1;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.7rem, 3.5vw, 1.25rem);
  transition: var(--transition);
}

.cascade-cell[data-val="2"]    { background: #3d3d6b; color: #e8e0d5; }
.cascade-cell[data-val="4"]    { background: #4a4080; color: #fff; }
.cascade-cell[data-val="8"]    { background: #5c4d99; color: #fff; }
.cascade-cell[data-val="16"]   { background: #6b5299; color: #fff; }
.cascade-cell[data-val="32"]   { background: #7a5899; color: #fff; }
.cascade-cell[data-val="64"]   { background: #8a5e80; color: #fff; }
.cascade-cell[data-val="128"]  { background: #996666; color: #fff; font-size: 0.85em; }
.cascade-cell[data-val="256"]  { background: #a86c55; color: #fff; font-size: 0.85em; }
.cascade-cell[data-val="512"]  { background: #b87244; color: #fff; font-size: 0.85em; }
.cascade-cell[data-val="1024"] { background: #c87833; color: #fff; font-size: 0.75em; }
.cascade-cell[data-val="2048"] { background: #d87e22; color: #fff; font-size: 0.75em; }
.cascade-cell[data-val="4096"] { background: var(--accent-gold); color: var(--bg-deep); font-size: 0.7em; }

.cascade-hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ── Tap Sequence ── */
.tap-pads {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(0.4rem, 2vw, 0.75rem);
  width: min(100%, 280px);
  aspect-ratio: 1;
  margin: 0 auto;
}

.tap-pad {
  aspect-ratio: 1;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.15s, transform 0.15s;
}

.tap-pad:hover { opacity: 0.75; }

/* ── Dpad for mobile ── */
.mobile-dpad {
  display: none;
  grid-template-columns: repeat(3, 44px);
  grid-template-rows: repeat(3, 44px);
  gap: 4px;
  flex-shrink: 0;
}

.mobile-dpad button {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  cursor: pointer;
}

.mobile-dpad button:active {
  background: rgba(244, 162, 97, 0.2);
}

.mobile-dpad .dpad-up    { grid-column: 2; grid-row: 1; }
.mobile-dpad .dpad-left  { grid-column: 1; grid-row: 2; }
.mobile-dpad .dpad-down  { grid-column: 2; grid-row: 3; }
.mobile-dpad .dpad-right { grid-column: 3; grid-row: 2; }

@media (max-width: 640px) {
  .mobile-dpad { display: grid; justify-content: center; }
  .marble-card { width: 40px; height: 54px; }
}

@media (max-height: 700px) {
  .hud-item { padding: 0.3rem 0.6rem; min-width: 64px; }
  .hud-value { font-size: 0.9rem; }
  .game-msg--compact { padding: 0.3rem 0.5rem; font-size: 0.75rem; }
}