/* PlayGrid — schermata di gioco condivisa */

.game-play-page {
  min-height: 100vh;
}

.game-play-page .game-main {
  padding-top: var(--header-height);
  padding-bottom: var(--space-xl);
}

#game-app {
  width: min(100% - 2rem, 720px);
  margin-inline: auto;
}

.play-shell {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.play-hud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(22, 24, 34, 0.85);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.play-hud__back {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.play-hud__back:hover {
  color: var(--color-accent-cyan);
}

.play-hud__title {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  font-weight: 700;
  min-width: 120px;
}

.play-hud__logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.play-name-logo {
  display: block;
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin: 0 auto var(--space-sm);
  border-radius: var(--radius-md);
}

.play-stage-welcome__logo {
  display: block;
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-md);
}

.play-hud__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  margin-left: auto;
}

.play-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
}

.play-stat__label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.play-stat__value {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent-cyan);
}

.play-stage {
  position: relative;
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.play-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background: rgba(10, 11, 16, 0.82);
  backdrop-filter: blur(6px);
}

.play-overlay[hidden] {
  display: none;
}

.play-overlay--name[hidden] {
  display: none;
}

.play-name-box {
  text-align: left;
}

.play-name-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.play-name-input {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.play-name-input:focus {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}

.play-name-submit {
  width: 100%;
}

.play-stage-welcome {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  padding: var(--space-lg);
}

.play-stage-welcome strong {
  color: var(--color-accent-cyan);
  font-family: var(--font-display);
}

.play-overlay__box {
  text-align: center;
  max-width: 400px;
  width: 100%;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-neon-under);
}

.play-overlay__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-cyan);
}

.play-overlay__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.play-overlay__record {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-accent-purple);
  margin-bottom: var(--space-md);
}

.play-overlay__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.play-overlay__actions .btn {
  width: 100%;
  justify-content: center;
}

.play-overlay__home {
  text-decoration: none;
  font-weight: 600;
}

.play-overlay__home:hover {
  color: var(--color-accent-cyan);
}

.play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 255, 0.08);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.play-btn:hover {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.25);
  color: var(--color-accent-cyan);
  transform: translateY(-1px);
}

.play-btn--primary {
  background: var(--gradient-accent);
  color: #0a0b10;
  border: none;
}

.play-btn--primary:hover {
  color: #0a0b10;
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.35);
}

.play-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-md);
}

/* Memory Match */
.memory-select {
  width: 100%;
  text-align: center;
}

.memory-select__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-cyan);
}

.memory-select__desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: var(--space-md);
  max-width: 520px;
  margin-inline: auto;
}

.memory-select__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  width: 100%;
}

@media (min-width: 540px) {
  .memory-select__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.memory-select__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-height: 72px;
  padding: 0.75rem;
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 255, 0.06);
  color: var(--color-text);
  font-family: var(--font-display);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.memory-select__btn:hover {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.2);
  transform: translateY(-2px);
  color: var(--color-accent-cyan);
}

.memory-select__size {
  font-size: 1.1rem;
  font-weight: 700;
}

.memory-select__meta {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.memory-level-complete {
  text-align: center;
  padding: var(--space-lg);
  animation: memory-level-pop 0.5s ease-out;
}

.memory-level-complete__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #4ade80;
  margin-bottom: var(--space-sm);
}

.memory-level-complete__text,
.memory-level-complete__next {
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

.memory-level-complete__next strong {
  color: var(--color-accent-cyan);
}

@keyframes memory-level-pop {
  0% { opacity: 0; transform: scale(0.92); }
  100% { opacity: 1; transform: scale(1); }
}

.play-stage--memory-play {
  justify-content: flex-start;
  align-items: stretch;
}

.memory-board-wrap {
  width: 100%;
  overflow: auto;
  max-height: min(72vh, 680px);
  padding: 0.15rem;
}

.memory-grid {
  display: grid;
  gap: 0.65rem;
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
}

.memory-grid--cards-36 {
  max-width: 420px;
  gap: 0.4rem;
}

.memory-grid--cards-72 {
  max-width: 560px;
  gap: 0.35rem;
}

.memory-grid--cards-144 {
  max-width: 480px;
  gap: 0.28rem;
}

.memory-grid--cards-288 {
  max-width: 640px;
  gap: 0.2rem;
}

.memory-grid--cards-576 {
  max-width: 520px;
  gap: 0.14rem;
}

.memory-grid--cards-1152 {
  max-width: 560px;
  gap: 0.1rem;
}

.memory-grid--cards-2304,
.memory-grid--cards-4608 {
  max-width: 600px;
  gap: 0.08rem;
}

.memory-grid--cards-36 .memory-card {
  min-height: 36px;
}

.memory-grid--cards-72 .memory-card {
  min-height: 30px;
}

.memory-grid--cards-144 .memory-card {
  min-height: 24px;
}

.memory-grid--cards-288 .memory-card {
  min-height: 18px;
}

.memory-grid--cards-576 .memory-card {
  min-height: 14px;
}

.memory-grid--cards-1152 .memory-card {
  min-height: 11px;
}

.memory-grid--cards-2304 .memory-card,
.memory-grid--cards-4608 .memory-card {
  min-height: 9px;
}

.memory-card {
  aspect-ratio: 1;
  perspective: 600px;
  cursor: var(--cursor-z), pointer;
  border: none;
  background: transparent;
  padding: 0;
  min-height: 44px;
}

.memory-card__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-sm);
}

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

.memory-card__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 2px solid rgba(0, 229, 255, 0.25);
}

.memory-card__face--back {
  background: var(--color-bg-elevated);
}

.memory-card__face--back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.memory-card__face--front {
  transform: rotateY(180deg);
  background: rgba(0, 229, 255, 0.06);
}

.memory-card__face--front img {
  width: 70%;
  height: 70%;
  object-fit: contain;
}

.memory-card.is-matched .memory-card__face {
  border-color: rgba(74, 222, 128, 0.6);
  box-shadow: 0 0 12px rgba(74, 222, 128, 0.3);
}

.memory-card:disabled {
  cursor: default;
}

/* Reaction Time */
.reaction-zone {
  width: 100%;
  min-height: 280px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  text-align: center;
  cursor: var(--cursor-z), pointer;
  user-select: none;
  transition: background var(--transition-med), box-shadow var(--transition-med);
  border: 2px solid transparent;
}

.reaction-zone--idle {
  background: rgba(139, 146, 168, 0.12);
  border-color: rgba(139, 146, 168, 0.3);
}

.reaction-zone--wait {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.5);
  box-shadow: inset 0 0 40px rgba(239, 68, 68, 0.1);
}

.reaction-zone--go {
  background: rgba(74, 222, 128, 0.18);
  border-color: rgba(74, 222, 128, 0.65);
  box-shadow: 0 0 40px rgba(74, 222, 128, 0.25);
}

.reaction-zone__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 700;
}

.reaction-zone__hint {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.reaction-results {
  width: 100%;
  margin-top: var(--space-md);
}

.reaction-results__list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.reaction-results__item {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--color-border);
}

/* Quiz */
.quiz-progress {
  width: 100%;
  height: 6px;
  background: rgba(139, 146, 168, 0.2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.quiz-progress__bar {
  height: 100%;
  background: var(--gradient-accent);
  transition: width var(--transition-med);
  border-radius: 999px;
}

.quiz-question {
  width: 100%;
  text-align: center;
  margin-bottom: var(--space-md);
}

.quiz-question__text {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}

.quiz-difficulty {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: var(--space-sm);
}

.quiz-difficulty--facile {
  color: #4ade80;
  background: rgba(74, 222, 128, 0.12);
  border: 1px solid rgba(74, 222, 128, 0.35);
}

.quiz-difficulty--media {
  color: #ffd24a;
  background: rgba(255, 210, 74, 0.1);
  border: 1px solid rgba(255, 210, 74, 0.35);
}

.quiz-difficulty--difficile {
  color: #f87171;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.35);
}

.quiz-timer {
  font-size: 0.85rem;
  color: var(--color-accent-cyan);
}

.quiz-options {
  display: grid;
  gap: var(--space-sm);
  width: 100%;
}

.quiz-option {
  width: 100%;
  text-align: left;
  padding: 0.85rem 1rem;
  min-height: 48px;
}

.quiz-option.is-correct {
  border-color: rgba(74, 222, 128, 0.7);
  background: rgba(74, 222, 128, 0.12);
  color: #4ade80;
}

.quiz-option.is-wrong {
  border-color: rgba(239, 68, 68, 0.7);
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
}

.quiz-option:disabled {
  opacity: 0.85;
  cursor: default;
}

/* Word Scramble */
.word-target {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.word-tiles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: var(--space-md);
  min-height: 56px;
}

.word-tile {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffd24a;
  text-shadow: 0 0 8px rgba(255, 210, 74, 0.45);
  background-size: cover;
  background-position: center;
  border: 2px solid rgba(0, 229, 255, 0.35);
  border-radius: var(--radius-sm);
  background-color: rgba(0, 229, 255, 0.08);
  cursor: var(--cursor-z), pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.word-tile.is-selected {
  color: #ffe566;
  text-shadow: 0 0 12px rgba(255, 229, 102, 0.65);
  border-color: var(--color-accent-purple);
  box-shadow: 0 0 16px rgba(124, 77, 255, 0.45);
  transform: translateY(-3px);
}

.word-hint {
  font-size: 0.85rem;
  color: var(--color-accent-purple);
  text-align: center;
  min-height: 1.25rem;
}

/* Snake */
.snake-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.snake-canvas {
  width: min(100%, 400px);
  aspect-ratio: 1;
  border: 2px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-sm);
  background: #0d0f16;
  touch-action: none;
}

.snake-controls-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* Mobile game controls (Tetris, Snake) */
.tetris-mobile-controls {
  display: none;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100%, 420px);
  max-width: 95vw;
  padding: 0.35rem 0.15rem 0.25rem;
}

.snake-mobile-controls {
  display: none;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100%, 400px);
  max-width: 95vw;
  padding: 0.35rem 0.15rem 0.25rem;
}

.tetris-mobile-controls__move,
.snake-mobile-controls__move {
  flex: 0 0 auto;
}

.tetris-mobile-controls__actions,
.snake-mobile-controls__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  margin-left: auto;
}

.tetris-mbtn-grid {
  display: grid;
  grid-template-columns: repeat(3, 3rem);
  grid-template-rows: repeat(3, 3rem);
  gap: 0.35rem;
  grid-template-areas:
    ". rotate ."
    "left . right"
    ". down .";
}

.game-mbtn-grid {
  display: grid;
  grid-template-columns: repeat(3, 3rem);
  grid-template-rows: repeat(3, 3rem);
  gap: 0.35rem;
  grid-template-areas:
    ". up ."
    "left . right"
    ". down .";
}

.tetris-mbtn-grid [data-action="rotate"] { grid-area: rotate; }
.tetris-mbtn-grid [data-action="left"] { grid-area: left; }
.tetris-mbtn-grid [data-action="right"] { grid-area: right; }
.tetris-mbtn-grid [data-action="down"] { grid-area: down; }

.game-mbtn-grid [data-action="up"] { grid-area: up; }
.game-mbtn-grid [data-action="left"] { grid-area: left; }
.game-mbtn-grid [data-action="right"] { grid-area: right; }
.game-mbtn-grid [data-action="down"] { grid-area: down; }

.tetris-mbtn-row,
.game-mbtn-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  width: 100%;
}

.tetris-mbtn,
.game-mbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.25rem;
  min-height: 3rem;
  padding: 0.5rem 1rem;
  border: 2px solid rgba(0, 229, 255, 0.35);
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 255, 0.08);
  color: var(--color-text);
  font-family: Orbitron, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.tetris-mbtn--icon,
.game-mbtn--icon {
  width: 3rem;
  height: 3rem;
  min-width: 3rem;
  min-height: 3rem;
  padding: 0;
}

.tetris-mbtn:active,
.tetris-mbtn.is-active,
.game-mbtn:active,
.game-mbtn.is-active {
  background: rgba(0, 229, 255, 0.22);
  border-color: rgba(0, 229, 255, 0.65);
}

.tetris-mbtn__svg,
.game-mbtn__svg,
.tetris-mbtn__icon,
.game-mbtn__icon {
  width: 1.45rem;
  height: 1.45rem;
  display: block;
  flex-shrink: 0;
}

.tetris-mbtn__icon,
.game-mbtn__icon {
  font-size: 1.35rem;
  line-height: 1;
  width: auto;
  height: auto;
}

@media (max-width: 767px) {
  .tetris-mobile-controls,
  .snake-mobile-controls {
    display: flex;
  }

  .arcade-wrap:has(.tetris-mobile-controls) .arcade-hint,
  .snake-wrap:has(.snake-mobile-controls) .snake-controls-hint {
    display: none;
  }
}

/* Arcade canvas (Space Invaders, Pac-Man, Breakout) */
.arcade-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.arcade-canvas {
  width: min(100%, 480px);
  max-height: min(72vh, 540px);
  height: auto;
  aspect-ratio: 480 / 520;
  border: 2px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-sm);
  background: #0a0b10;
  touch-action: none;
  image-rendering: pixelated;
}

.arcade-canvas--pac {
  aspect-ratio: 380 / 380;
  max-width: 400px;
}

.arcade-canvas--square {
  aspect-ratio: 1 / 1;
  max-width: 480px;
}

.arcade-canvas--tetris {
  max-width: min(420px, 95vw);
  max-height: min(85vh, 640px);
  width: auto;
  height: auto;
}

.arcade-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  max-width: 420px;
  line-height: 1.45;
}

/* Puzzle Slide */
.puzzle-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  width: 100%;
  margin-bottom: var(--space-md);
}

.puzzle-board {
  display: grid;
  gap: 3px;
  width: min(100%, 360px);
  aspect-ratio: 1;
  background: rgba(0, 229, 255, 0.15);
  padding: 3px;
  border-radius: var(--radius-sm);
}

.puzzle-tile {
  position: relative;
  border: none;
  padding: 0;
  cursor: var(--cursor-z), pointer;
  border-radius: 4px;
  overflow: hidden;
  min-height: 44px;
  background-color: var(--color-bg-elevated);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.puzzle-tile:hover:not(:disabled) {
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
  z-index: 1;
}

.puzzle-tile--empty {
  background: rgba(10, 11, 16, 0.6);
  cursor: default;
  visibility: hidden;
}

.puzzle-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.puzzle-preview {
  margin-top: var(--space-md);
  text-align: center;
}

.puzzle-preview img {
  max-width: 120px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  opacity: 0.85;
}

@media (prefers-reduced-motion: reduce) {
  .memory-card__inner {
    transition: none;
  }

  .memory-level-complete {
    animation: none;
  }

  .quiz-progress__bar,
  .word-tile,
  .puzzle-tile {
    transition: none;
  }
}

@media (max-width: 480px) {
  .memory-grid {
    gap: 0.45rem;
  }

  .play-hud__stats {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
  }
}