:root {
  --purple-deep: #2a0a4a;
  --purple: #5b2a8c;
  --purple-light: #9b5cd6;
  --gold: #ffd24a;
  --gold-deep: #e8a838;
  --pink: #ff6fb5;
  --teal: #4dd9c8;
  --cream: #fff5e1;
  --green: #6bd96b;
  --red-soft: #ff7575;

  --shadow-soft: 0 8px 24px rgba(42, 10, 74, 0.25);
  --shadow-deep: 0 20px 60px rgba(42, 10, 74, 0.45);

  --font-display: 'Cinzel', Georgia, serif;
  --font-body: 'Fredoka', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--font-body);
  color: var(--cream);
  background: var(--purple-deep);
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.screen {
  display: none;
  min-height: 100vh;
  width: 100%;
  position: relative;
}
.screen.active { display: block; }

/* ============ START SCREEN ============ */
#screen-start {
  display: none;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
#screen-start.active { display: flex; }

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(91, 42, 140, 0.4) 0%, rgba(42, 10, 74, 0.85) 100%);
  z-index: 1;
}

.start-content {
  position: relative;
  z-index: 2;
  padding: 2rem;
  max-width: 760px;
  animation: fadeIn 0.8s ease-out;
}

.title-stack {
  margin-bottom: 2.5rem;
}

.kicker {
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  font-weight: 600;
}

.title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  background: linear-gradient(135deg, var(--gold) 0%, var(--cream) 50%, var(--pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(255, 210, 74, 0.3);
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.5));
}

.subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--cream);
  letter-spacing: 0.1em;
  font-weight: 500;
}

.toggle-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.toggle-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.toggle-label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}

.pill-toggle {
  display: inline-flex;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 210, 74, 0.4);
  border-radius: 100px;
  padding: 4px;
  gap: 4px;
}

.pill {
  padding: 0.6rem 1.2rem;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cream);
  transition: all 0.25s ease;
  white-space: nowrap;
}
.pill:hover { background: rgba(255,255,255,0.1); }
.pill.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--purple-deep);
  box-shadow: 0 4px 16px rgba(255, 210, 74, 0.4);
}

.btn-magic {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.1rem 2.4rem;
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--font-display);
  background: linear-gradient(135deg, var(--pink), var(--purple-light));
  color: white;
  border-radius: 100px;
  box-shadow: var(--shadow-deep), 0 0 40px rgba(255, 111, 181, 0.5);
  letter-spacing: 0.05em;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}
.btn-magic:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-deep), 0 0 60px rgba(255, 111, 181, 0.8);
}
.btn-magic .sparkle {
  display: inline-block;
  animation: spin 3s linear infinite;
  font-size: 1.4rem;
}

.hint-text {
  font-size: 0.95rem;
  color: rgba(255,245,225,0.7);
  font-weight: 500;
}

/* ============ GAME SCREEN ============ */
#screen-game {
  background: linear-gradient(180deg, var(--purple-deep) 0%, var(--purple) 50%, var(--purple-deep) 100%);
  background-attachment: fixed;
  display: none;
  flex-direction: column;
}
#screen-game.active { display: flex; }

.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(42, 10, 74, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid rgba(255, 210, 74, 0.3);
  position: sticky;
  top: 0;
  z-index: 50;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-center {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  font-weight: 700;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  border: 1px solid rgba(255, 210, 74, 0.3);
}
.icon-btn:hover { background: var(--gold); color: var(--purple-deep); transform: scale(1.05); }
.icon-btn.muted { opacity: 0.5; }

.progress-stars {
  display: flex;
  gap: 4px;
}
.star {
  font-size: 1.4rem;
  color: rgba(255,255,255,0.2);
  transition: all 0.3s;
}
.star.earned {
  color: var(--gold);
  text-shadow: 0 0 12px var(--gold);
  animation: starPop 0.6s ease;
}

.mini-toggles {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255, 210, 74, 0.3);
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
}
.mini-pill {
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cream);
  transition: all 0.2s;
}
.mini-pill.active {
  background: var(--gold);
  color: var(--purple-deep);
}
.divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 210, 74, 0.3);
  margin: 0 4px;
}

/* ============ ROOM STAGE ============ */
.room-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem 2rem;
}

.room-card {
  width: 100%;
  max-width: 1000px;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 210, 74, 0.3);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-deep);
  animation: slideIn 0.5s ease-out;
  backdrop-filter: blur(8px);
}

.room-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.room-content {
  padding: 1.75rem;
}

.room-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.room-narration {
  background: rgba(255, 245, 225, 0.08);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: 1.05rem;
  line-height: 1.6;
  position: relative;
}
.room-narration .style-tag {
  position: absolute;
  top: -10px;
  left: 16px;
  background: var(--gold);
  color: var(--purple-deep);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 100px;
  text-transform: uppercase;
}
.btn-listen {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--teal), var(--purple-light));
  color: white;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform 0.2s;
}
.btn-listen:hover { transform: scale(1.05); }
.btn-listen.playing { background: linear-gradient(135deg, var(--pink), var(--gold)); }

.puzzle-section {
  margin-top: 1.5rem;
}
.puzzle-prompt {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 1rem;
}

/* ============ PUZZLE: MATCHING (Room 1, 4) ============ */
.match-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 2rem;
  max-width: 720px;
  margin: 0 auto;
}
.match-col-title {
  font-family: var(--font-display);
  text-align: center;
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}
.match-item {
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255, 210, 74, 0.4);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
  user-select: none;
}
.match-item:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }
.match-item.selected {
  background: linear-gradient(135deg, var(--purple-light), var(--pink));
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(255, 210, 74, 0.5);
}
.match-item.matched {
  background: linear-gradient(135deg, var(--green), var(--teal));
  border-color: var(--green);
  cursor: default;
  opacity: 0.85;
}
.match-item.wrong {
  animation: shake 0.4s;
  background: var(--red-soft);
  border-color: var(--red-soft);
}

/* ============ PUZZLE: WORD UNSCRAMBLE (Room 2) ============ */
.scramble-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.scramble-letters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.letter-tile {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--purple-deep);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-display);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: all 0.2s;
  user-select: none;
}
.letter-tile:hover { transform: translateY(-4px) rotate(-3deg); }
.letter-tile.used { opacity: 0.3; pointer-events: none; transform: scale(0.9); }
.scramble-slots {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: center;
  min-height: 64px;
  padding: 0.5rem;
  background: rgba(0,0,0,0.25);
  border-radius: 12px;
  border: 2px dashed rgba(255, 210, 74, 0.4);
  min-width: 320px;
}
.slot-tile {
  width: 48px;
  height: 48px;
  background: var(--cream);
  color: var(--purple-deep);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer;
}
.scramble-clue {
  background: rgba(255, 210, 74, 0.15);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

/* ============ PUZZLE: RIDDLE (Room 3) ============ */
.riddle-box {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.riddle-question {
  font-size: 1.15rem;
  background: rgba(255, 245, 225, 0.1);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border: 2px solid rgba(255, 210, 74, 0.3);
  font-style: italic;
  line-height: 1.6;
}
.riddle-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}
.riddle-option {
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255, 210, 74, 0.4);
  border-radius: 12px;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.riddle-option:hover { background: rgba(255,255,255,0.2); transform: scale(1.03); }
.riddle-option.correct {
  background: linear-gradient(135deg, var(--green), var(--teal));
  border-color: var(--green);
}
.riddle-option.wrong {
  background: var(--red-soft);
  border-color: var(--red-soft);
  animation: shake 0.4s;
}

/* ============ PUZZLE: FINAL CODE (Room 5) ============ */
.code-area {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}
.code-clue-list {
  text-align: left;
  background: rgba(255, 245, 225, 0.08);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  list-style: none;
}
.code-clue-list li {
  padding: 0.4rem 0;
  font-size: 0.98rem;
  border-bottom: 1px dashed rgba(255, 210, 74, 0.2);
}
.code-clue-list li:last-child { border-bottom: none; }
.code-clue-list .clue-num {
  display: inline-block;
  width: 28px;
  height: 28px;
  background: var(--gold);
  color: var(--purple-deep);
  border-radius: 50%;
  text-align: center;
  line-height: 28px;
  font-weight: 700;
  margin-right: 0.5rem;
  font-family: var(--font-display);
}

.code-input-row {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}
.code-digit {
  width: 60px;
  height: 70px;
  font-size: 2.2rem;
  text-align: center;
  background: var(--cream);
  color: var(--purple-deep);
  border: 3px solid var(--gold);
  border-radius: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  outline: none;
  transition: transform 0.2s;
}
.code-digit:focus { transform: scale(1.05); border-color: var(--pink); }
.code-digit.wrong { animation: shake 0.4s; border-color: var(--red-soft); }
.code-digit.correct { background: linear-gradient(135deg, var(--green), var(--teal)); color: white; }

.btn-submit {
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--purple-deep);
  padding: 0.85rem 2rem;
  border-radius: 100px;
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s;
}
.btn-submit:hover { transform: translateY(-2px) scale(1.04); }

/* ============ HINT BUTTON ============ */
.game-footer {
  padding: 1rem;
  display: flex;
  justify-content: center;
}
.btn-hint {
  background: rgba(255, 245, 225, 0.1);
  border: 2px solid rgba(255, 210, 74, 0.4);
  padding: 0.65rem 1.4rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s;
}
.btn-hint:hover { background: var(--gold); color: var(--purple-deep); }

/* ============ MODAL ============ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.modal-backdrop.active { display: flex; animation: fadeIn 0.3s; }
.modal {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-deep) 100%);
  border: 2px solid var(--gold);
  border-radius: 24px;
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-deep), 0 0 80px rgba(255, 210, 74, 0.3);
  animation: modalPop 0.4s ease-out;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 2rem;
  color: var(--cream);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.modal-close:hover { background: rgba(255,255,255,0.1); }

.modal-emoji {
  font-size: 4rem;
  margin-bottom: 0.75rem;
  display: block;
  animation: bounce 0.7s ease;
}
.modal h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.modal p {
  font-size: 1.05rem;
  line-height: 1.55;
  margin-bottom: 1.25rem;
}
.modal .btn-magic {
  margin-bottom: 0;
  padding: 0.85rem 1.8rem;
  font-size: 1rem;
}

/* Final certificate */
.certificate {
  background: linear-gradient(135deg, #fff8e1 0%, #fff 100%);
  color: var(--purple-deep);
  padding: 2rem 1.5rem;
  border-radius: 16px;
  border: 4px double var(--gold-deep);
  margin-bottom: 1rem;
}
.certificate h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--purple);
  margin-bottom: 0.5rem;
}
.certificate .name-line {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0.75rem 0;
  border-bottom: 2px solid var(--gold-deep);
  padding-bottom: 0.5rem;
  font-weight: 700;
}
.certificate .seal {
  font-size: 3rem;
}

/* ============ CONFETTI ============ */
#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 90;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}
@keyframes starPop {
  0% { transform: scale(0); }
  60% { transform: scale(1.4); }
  100% { transform: scale(1); }
}
@keyframes modalPop {
  0% { transform: scale(0.7); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes bounce {
  0% { transform: scale(0); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 640px) {
  .toggle-row { gap: 1rem; }
  .game-header { padding: 0.6rem 0.75rem; }
  .header-center { width: 100%; order: 3; text-align: center; font-size: 0.85rem; }
  .room-content { padding: 1.25rem; }
  .match-grid { grid-template-columns: 1fr; gap: 0.5rem 0; }
  .letter-tile { width: 44px; height: 44px; font-size: 1.3rem; }
  .slot-tile { width: 38px; height: 38px; font-size: 1.1rem; }
  .code-digit { width: 48px; height: 58px; font-size: 1.7rem; }
  .scramble-slots { min-width: 280px; }
}