/* ============================================
   JUEGOS TUTOR - Estilos principales
   ============================================ */

/* Reset scoped */
.jt-app *,
.jt-app *::before,
.jt-app *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.jt-app {
  --jt-primary: #008ECC;
  --jt-primary-dark: #0077b3;
  --jt-primary-light: #66b8db;
  --jt-secondary: #5BA52F;
  --jt-accent: #f59e0b;
  --jt-success-gold: #d4a017;
  --jt-danger: #ef4444;
  --jt-bg: #f8fafc;
  --jt-surface: #ffffff;
  --jt-text: #222222;
  --jt-text-muted: #6b7280;
  --jt-border: #e2e8f0;
  --jt-radius: 16px;
  --jt-radius-sm: 10px;
  --jt-shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --jt-shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --jt-transition: 0.3s cubic-bezier(.4,0,.2,1);

  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--jt-bg);
  color: var(--jt-text);
  line-height: 1.6;
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px;
  min-height: 500px;
  position: relative;
  overflow: hidden;
}

/* ============================================
   Screens
   ============================================ */
.jt-screen {
  display: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--jt-transition), transform var(--jt-transition);
}

.jt-screen--active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Header
   ============================================ */
.jt-header {
  text-align: center;
  margin-bottom: 32px;
  position: relative;
}

.jt-title {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #008ECC, #5BA52F);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.jt-subtitle {
  color: var(--jt-text-muted);
  font-size: 1.05rem;
}

/* ============================================
   Buttons
   ============================================ */
.jt-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--jt-radius-sm);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--jt-transition);
  font-family: inherit;
}

.jt-btn--back {
  position: absolute;
  left: 0;
  top: 0;
  background: var(--jt-surface);
  color: var(--jt-text);
  border: 2px solid var(--jt-border);
}

.jt-btn--back:hover {
  background: var(--jt-border);
}

.jt-btn--primary {
  background: var(--jt-primary);
  color: #fff;
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
  font-size: 1.05rem;
}

.jt-btn--primary:hover {
  background: var(--jt-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--jt-shadow-lg);
}

.jt-btn--secondary {
  background: transparent;
  color: var(--jt-primary);
  border: 2px solid var(--jt-primary);
  width: 100%;
  justify-content: center;
  padding: 12px 24px;
  margin-top: 10px;
}

.jt-btn--secondary:hover {
  background: var(--jt-primary);
  color: #fff;
}

/* ============================================
   Cards Grid (Pantalla Principal)
   ============================================ */
.jt-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.jt-card {
  background: var(--jt-surface);
  border: 2px solid var(--jt-border);
  border-radius: var(--jt-radius);
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--jt-transition);
  position: relative;
  overflow: hidden;
}

.jt-card:hover {
  border-color: var(--jt-primary-light);
  transform: translateY(-6px);
  box-shadow: var(--jt-shadow-lg);
}

.jt-card__icon {
  font-size: 3rem;
  margin-bottom: 12px;
  display: block;
}

.jt-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--jt-text);
}

.jt-card__desc {
  font-size: .88rem;
  color: var(--jt-text-muted);
}

/* ============================================
   Topics Grid
   ============================================ */
.jt-topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.jt-topic-card {
  background: var(--jt-surface);
  border: 2px solid var(--jt-border);
  border-radius: var(--jt-radius-sm);
  padding: 16px 20px;
  cursor: pointer;
  transition: all var(--jt-transition);
  font-weight: 500;
  font-size: .92rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.jt-topic-card:hover {
  border-color: var(--jt-primary);
  background: linear-gradient(135deg, rgba(0,142,204,.05), rgba(91,165,47,.05));
  transform: translateX(4px);
}

.jt-topic-card__number {
  background: #008ECC;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   Game Container - Trivia
   ============================================ */
.jt-game-container {
  max-width: 700px;
  margin: 0 auto;
}

.jt-trivia {
  background: var(--jt-surface);
  border-radius: var(--jt-radius);
  padding: 32px;
  box-shadow: var(--jt-shadow);
  border: 1px solid var(--jt-border);
}

.jt-trivia__question {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 24px;
  line-height: 1.5;
  color: var(--jt-text);
}

.jt-trivia__options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.jt-trivia__option {
  background: var(--jt-bg);
  border: 2px solid var(--jt-border);
  border-radius: var(--jt-radius-sm);
  padding: 14px 20px;
  cursor: pointer;
  transition: all var(--jt-transition);
  font-size: .95rem;
  font-family: inherit;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
}

.jt-trivia__option:hover:not(.jt-trivia__option--disabled) {
  border-color: var(--jt-primary);
  background: rgba(0,142,204,.05);
}

.jt-trivia__option--selected {
  border-color: var(--jt-primary);
  background: rgba(0,142,204,.1);
}

.jt-trivia__option--correct {
  border-color: var(--jt-secondary);
  background: rgba(16,185,129,.1);
  color: #065f46;
}

.jt-trivia__option--wrong {
  border-color: var(--jt-danger);
  background: rgba(239,68,68,.1);
  color: #991b1b;
}

.jt-trivia__option--disabled {
  cursor: default;
  opacity: .7;
}

.jt-trivia__letter {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(0,142,204,.15);
  color: #0077b3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}

.jt-trivia__feedback {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--jt-radius-sm);
  font-weight: 600;
  text-align: center;
  animation: jtFadeIn .3s ease;
}

.jt-trivia__feedback--correct {
  background: rgba(91,165,47,.1);
  color: #3d7019;
  border: 1px solid rgba(91,165,47,.3);
}

.jt-trivia__feedback--wrong {
  background: rgba(239,68,68,.1);
  color: #991b1b;
  border: 1px solid rgba(239,68,68,.3);
}

.jt-trivia__next {
  margin-top: 20px;
  width: 100%;
}

/* Score bar */
.jt-score-bar {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 8px;
  font-size: .95rem;
  color: var(--jt-text-muted);
}

.jt-score-bar span {
  font-weight: 600;
}

/* ============================================
   Results Screen
   ============================================ */
.jt-results-card {
  background: var(--jt-surface);
  border-radius: var(--jt-radius);
  padding: 48px 32px;
  text-align: center;
  box-shadow: var(--jt-shadow-lg);
  border: 1px solid var(--jt-border);
  max-width: 480px;
  margin: 0 auto;
}

.jt-results__icon {
  font-size: 4rem;
  margin-bottom: 16px;
  animation: jtBounce .6s ease;
}

.jt-results__title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--jt-text);
}

.jt-results__score {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, #d4a017, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.jt-results__detail {
  color: var(--jt-text-muted);
  font-size: 1rem;
  margin-bottom: 28px;
}

/* ============================================
   Game: Matching (Emparejamiento)
   ============================================ */
.jt-match {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.jt-match__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--jt-surface);
  border-radius: var(--jt-radius-sm);
  border: 1px solid var(--jt-border);
  font-size: .9rem;
}

.jt-match__header strong {
  color: #008ECC;
}

.jt-match__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.jt-match__column-title {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--jt-text-muted);
  margin-bottom: 10px;
  text-align: center;
}

.jt-match__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.jt-match__item {
  background: var(--jt-surface);
  border: 2px solid var(--jt-border);
  border-radius: var(--jt-radius-sm);
  padding: 14px 16px;
  font-size: .92rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--jt-transition);
  text-align: center;
  user-select: none;
}

.jt-match__item:hover:not(.jt-match__item--matched):not(.jt-match__item--locked) {
  border-color: var(--jt-primary);
  background: rgba(0,142,204,.04);
}

.jt-match__item--selected {
  border-color: var(--jt-primary);
  background: rgba(0,142,204,.1);
  box-shadow: 0 0 0 3px rgba(0,142,204,.15);
}

.jt-match__item--correct {
  border-color: var(--jt-secondary);
  background: rgba(91,165,47,.1);
  color: #3d7019;
  cursor: default;
}

.jt-match__item--wrong {
  border-color: var(--jt-danger);
  background: rgba(239,68,68,.1);
  color: #991b1b;
  animation: jtShake .4s ease;
}

.jt-match__item--matched {
  opacity: .55;
  cursor: default;
  pointer-events: none;
}

.jt-match__item--locked {
  cursor: default;
  pointer-events: none;
}

@keyframes jtShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* ============================================
   Game: Flashcards
   ============================================ */
.jt-flash {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.jt-flash__counter {
  font-size: .9rem;
  color: var(--jt-text-muted);
  font-weight: 600;
}

.jt-flash__scene {
  perspective: 800px;
  width: 100%;
  max-width: 480px;
  height: 280px;
  cursor: pointer;
}

.jt-flash__card {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform .6s cubic-bezier(.4,0,.2,1);
  transform-style: preserve-3d;
}

.jt-flash__card--flipped {
  transform: rotateY(180deg);
}

.jt-flash__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--jt-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--jt-shadow);
  border: 2px solid var(--jt-border);
}

.jt-flash__face--front {
  background: var(--jt-surface);
}

.jt-flash__face--back {
  background: linear-gradient(135deg, #008ECC, #0077b3);
  color: #fff;
  transform: rotateY(180deg);
}

.jt-flash__label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  opacity: .6;
  margin-bottom: 16px;
}

.jt-flash__text {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
}

.jt-flash__hint {
  font-size: .82rem;
  color: var(--jt-text-muted);
  margin-top: 12px;
}

.jt-flash__face--back .jt-flash__hint {
  color: rgba(255,255,255,.7);
}

.jt-flash__nav {
  display: flex;
  gap: 12px;
  width: 100%;
  max-width: 480px;
}

.jt-flash__nav .jt-btn {
  flex: 1;
  justify-content: center;
}

/* ============================================
   Game: Hangman (Ahorcado)
   ============================================ */
.jt-hangman {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.jt-hangman__status {
  display: flex;
  gap: 24px;
  font-size: .9rem;
  color: var(--jt-text-muted);
  font-weight: 600;
}

.jt-hangman__status span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.jt-hangman__figure {
  font-size: 1rem;
  line-height: 1.2;
  font-family: 'Courier New', monospace;
  white-space: pre;
  background: var(--jt-surface);
  padding: 20px 28px;
  border-radius: var(--jt-radius-sm);
  border: 1px solid var(--jt-border);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.jt-hangman__hint {
  font-size: .9rem;
  color: var(--jt-text-muted);
  font-style: italic;
}

.jt-hangman__word {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.jt-hangman__letter-box {
  width: 40px;
  height: 48px;
  border-bottom: 3px solid #008ECC;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--jt-text);
  transition: all var(--jt-transition);
}

.jt-hangman__letter-box--revealed {
  border-bottom-color: var(--jt-secondary);
  color: var(--jt-secondary);
  animation: jtFadeIn .3s ease;
}

.jt-hangman__keyboard {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  max-width: 520px;
}

.jt-hangman__key {
  width: 40px;
  height: 40px;
  border: 2px solid var(--jt-border);
  border-radius: 8px;
  background: var(--jt-surface);
  font-size: .9rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--jt-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.jt-hangman__key:hover:not(:disabled) {
  border-color: var(--jt-primary);
  background: rgba(0,142,204,.05);
}

.jt-hangman__key--correct {
  border-color: var(--jt-secondary);
  background: rgba(91,165,47,.1);
  color: #3d7019;
  cursor: default;
}

.jt-hangman__key--wrong {
  border-color: var(--jt-danger);
  background: rgba(239,68,68,.1);
  color: #991b1b;
  opacity: .5;
  cursor: default;
}

.jt-hangman__key:disabled {
  cursor: default;
  opacity: .4;
}

/* ============================================
   Game: Memory (Memoria)
   ============================================ */
.jt-memory {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.jt-memory__stats {
  display: flex;
  gap: 24px;
  font-size: .9rem;
  color: var(--jt-text-muted);
  font-weight: 600;
}

.jt-memory__stats strong {
  color: #008ECC;
}

.jt-memory__grid {
  display: grid;
  gap: 10px;
  width: 100%;
  max-width: 600px;
}

.jt-memory__grid--cols-4 { grid-template-columns: repeat(4, 1fr); }
.jt-memory__grid--cols-3 { grid-template-columns: repeat(3, 1fr); }

.jt-memory__cell {
  perspective: 600px;
  aspect-ratio: 1;
  cursor: pointer;
  min-height: 80px;
}

.jt-memory__card {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
  transform-style: preserve-3d;
}

.jt-memory__card--flipped {
  transform: rotateY(180deg);
}

.jt-memory__card--matched {
  transform: rotateY(180deg);
}

.jt-memory__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--jt-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  text-align: center;
  font-size: .82rem;
  font-weight: 600;
  line-height: 1.3;
  border: 2px solid var(--jt-border);
}

.jt-memory__face--back {
  background: linear-gradient(135deg, #008ECC, #0077b3);
  color: #fff;
  font-size: 1.5rem;
}

.jt-memory__face--front {
  background: var(--jt-surface);
  color: var(--jt-text);
  transform: rotateY(180deg);
}

.jt-memory__face--front-term {
  background: linear-gradient(135deg, rgba(0,142,204,.08), rgba(0,142,204,.15));
  border-color: rgba(0,142,204,.3);
  color: #0077b3;
  font-weight: 700;
}

.jt-memory__face--front-def {
  background: var(--jt-bg);
  color: var(--jt-text);
  font-weight: 500;
  font-size: .78rem;
}

.jt-memory__card--matched .jt-memory__face--front {
  border-color: #d4a017;
  background: linear-gradient(135deg, rgba(212,160,23,.12), rgba(212,160,23,.25));
  box-shadow: 0 0 16px rgba(212,160,23,.35), inset 0 0 12px rgba(212,160,23,.1);
  animation: jtGoldGlow 1.5s ease-in-out infinite alternate;
}

.jt-memory__card--matched .jt-memory__face--front::after {
  content: '⭐';
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: .9rem;
}

@keyframes jtGoldGlow {
  0% { box-shadow: 0 0 12px rgba(212,160,23,.3), inset 0 0 8px rgba(212,160,23,.08); }
  100% { box-shadow: 0 0 24px rgba(212,160,23,.5), inset 0 0 16px rgba(212,160,23,.15); }
}

.jt-memory__card--wrong .jt-memory__face--front {
  border-color: var(--jt-danger);
  background: rgba(239,68,68,.08);
  animation: jtShake .4s ease;
}

.jt-memory__continue {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(to top, var(--jt-bg) 60%, transparent);
  display: flex;
  justify-content: center;
  z-index: 10;
  margin-top: -20px;
}

.jt-memory__continue .jt-btn {
  min-width: 200px;
  box-shadow: var(--jt-shadow-lg);
}

/* ============================================
   Animations
   ============================================ */
@keyframes jtFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes jtBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 600px) {
  .jt-app {
    padding: 16px 12px;
  }

  .jt-title {
    font-size: 1.5rem;
  }

  .jt-cards-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .jt-card {
    padding: 20px 14px;
  }

  .jt-card__icon {
    font-size: 2.2rem;
  }

  .jt-topics-grid {
    grid-template-columns: 1fr;
  }

  .jt-trivia {
    padding: 20px;
  }

  .jt-btn--back {
    position: static;
    margin-bottom: 12px;
  }

  .jt-results-card {
    padding: 32px 20px;
  }
}