@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@300..700&display=swap');

:root {
  --bg-primary: #fffdf0;
  --text-dark: #3a3222;
  --text-light: #ffffff;
  --border-radius-lg: 24px;
  --border-radius-md: 16px;
  --shadow-color: rgba(58, 50, 34, 0.15);
  
  /* Vibrant Kid-Friendly HSL Colors */
  --coral-red: hsl(355, 85%, 60%);
  --coral-red-dark: hsl(355, 85%, 50%);
  
  --sunny-orange: hsl(28, 95%, 55%);
  --sunny-orange-dark: hsl(28, 95%, 45%);
  
  --sky-blue: hsl(198, 90%, 55%);
  --sky-blue-dark: hsl(198, 90%, 45%);
  
  --lime-green: hsl(145, 65%, 47%);
  --lime-green-dark: hsl(145, 65%, 37%);
  
  --lavender: hsl(268, 70%, 58%);
  --lavender-dark: hsl(268, 70%, 48%);
}

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

body {
  font-family: 'Fredoka', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-dark);
  height: 100vh;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* App Container and View Manager */
#app-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.view {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.4s ease, transform 0.4s ease;
  overflow-y: auto;
  padding: 48px 24px; /* Ample top and bottom padding */
  flex-direction: column;
  align-items: center;
  justify-content: flex-start; /* Resolves top cut-off on overflow */
}

.view.active {
  display: flex;
  opacity: 1;
  transform: scale(1);
}

/* Global Navbar */
.navbar {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  z-index: 100;
}

.nav-btn {
  pointer-events: auto;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--text-dark);
  box-shadow: 0 4px 0 var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  transition: transform 0.1s, box-shadow 0.1s;
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--text-dark);
}

.nav-btn:active {
  transform: translateY(4px);
  box-shadow: 0 0px 0 var(--text-dark);
}

.game-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark);
  text-shadow: 2px 2px 0 white;
  pointer-events: auto;
}

.nav-placeholder {
  width: 52px;
}

/* ---------------------------------------------------- */
/* HOME SCREEN                                          */
/* ---------------------------------------------------- */

.home-screen {
  background: radial-gradient(circle at top left, #fffbf0, #fff7d6);
  padding: 30px 16px;
}

.home-header {
  text-align: center;
  margin-bottom: 24px;
}

/* Bouncy Title */
.brand-title {
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  font-weight: 800;
  letter-spacing: 2px;
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 4px;
  filter: drop-shadow(4px 4px 0px rgba(0, 0, 0, 0.15));
}

.brand-letter {
  display: inline-block;
  animation: bounce 2s infinite ease-in-out;
}

.brand-letter:nth-child(1) { color: var(--coral-red); animation-delay: 0.0s; }
.brand-letter:nth-child(2) { color: var(--sunny-orange); animation-delay: 0.1s; }
.brand-letter:nth-child(3) { color: var(--lime-green); animation-delay: 0.2s; }
.brand-letter:nth-child(4) { color: var(--sky-blue); animation-delay: 0.3s; }
.brand-letter:nth-child(5) { color: var(--lavender); animation-delay: 0.4s; }
.brand-letter:nth-child(6) { color: var(--sunny-orange); animation-delay: 0.5s; }
.brand-letter:nth-child(7) { color: var(--coral-red); animation-delay: 0.6s; }

.brand-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  color: #7c725c;
  font-weight: 500;
}

/* Activities Grid */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  width: 100%;
  max-width: 1100px;
  margin-top: 10px;
}

/* Card Styling */
.activity-card {
  background: white;
  border: 4px solid var(--text-dark);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  min-height: 280px;
}

/* Custom 3D Shadow for Cards */
.activity-card.coral { box-shadow: 0 10px 0 var(--coral-red-dark); }
.activity-card.blue { box-shadow: 0 10px 0 var(--sky-blue-dark); }
.activity-card.green { box-shadow: 0 10px 0 var(--lime-green-dark); }
.activity-card.purple { box-shadow: 0 10px 0 var(--lavender-dark); }

.activity-card:hover {
  transform: translateY(-8px);
}

.activity-card:active {
  transform: translateY(4px);
}
.activity-card.coral:active { box-shadow: 0 2px 0 var(--coral-red-dark); }
.activity-card.blue:active { box-shadow: 0 2px 0 var(--sky-blue-dark); }
.activity-card.green:active { box-shadow: 0 2px 0 var(--lime-green-dark); }
.activity-card.purple:active { box-shadow: 0 2px 0 var(--lavender-dark); }

.card-icon {
  width: 96px;
  height: 96px;
  margin-bottom: 16px;
  transition: transform 0.3s ease;
}

.activity-card:hover .card-icon {
  transform: scale(1.1) rotate(4deg);
}

.card-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 1rem;
  color: #6b6049;
  line-height: 1.4;
  margin-bottom: 16px;
}

/* Play Button on Cards */
.card-btn {
  padding: 10px 24px;
  border-radius: 50px;
  font-family: inherit;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  border: 3px solid var(--text-dark);
  cursor: pointer;
  box-shadow: 0 4px 0 var(--text-dark);
  transition: transform 0.1s, box-shadow 0.1s;
}

.activity-card.coral .card-btn { background-color: var(--coral-red); }
.activity-card.blue .card-btn { background-color: var(--sky-blue); }
.activity-card.green .card-btn { background-color: var(--lime-green); }
.activity-card.purple .card-btn { background-color: var(--lavender); }

.activity-card:hover .card-btn {
  transform: scale(1.05);
}

/* ---------------------------------------------------- */
/* ACTIVITY VIEWS                                       */
/* ---------------------------------------------------- */

.activity-view {
  background-color: var(--bg-primary);
  padding-top: 96px; /* Space for absolute navbar */
  padding-bottom: 48px; /* Safe padding for scrolling on tall content */
}

/* Shared Game Layout components */
.card {
  text-align: center;
  padding: 24px;
  width: 100%;
  max-width: 800px;
  background: white;
  border: 4px solid var(--text-dark);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 0 var(--shadow-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: auto 0; /* Auto margin vertical centers card elegantly and avoids top cut-off */
}

.label {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.letters {
  font-size: clamp(2rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  min-height: 1.2em;
  color: var(--coral-red);
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.05);
}

.hint {
  margin-top: 20px;
  font-size: 1.4rem;
  font-weight: 600;
  opacity: 0.8;
  color: #6b6049;
}

canvas.trace-canvas {
  display: none;
  margin: 16px auto;
  background: #fbfbf6;
  border: 4px dashed #9e9177;
  border-radius: 24px;
  cursor: crosshair;
  touch-action: none;
  max-width: 100%;
  box-shadow: inset 0 4px 10px rgba(0,0,0,0.05);
}

/* ---------------------------------------------------- */
/* SHAPE SAFARI VIEW                                    */
/* ---------------------------------------------------- */

.shape-selector-container {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.shape-btn {
  padding: 10px 20px;
  border: 3px solid var(--text-dark);
  border-radius: var(--border-radius-md);
  background: white;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 0 var(--text-dark);
  transition: all 0.1s;
}

.shape-btn svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--text-dark);
  stroke-width: 3;
}

.shape-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--text-dark);
}

.shape-btn.active {
  background: var(--sky-blue);
  color: white;
  transform: translateY(4px);
  box-shadow: 0 0px 0 var(--text-dark);
}
.shape-btn.active svg {
  stroke: white;
}

/* ---------------------------------------------------- */
/* ALPHABET ACADEMY                                     */
/* ---------------------------------------------------- */

.alphabet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 10px;
  width: 100%;
  max-height: 240px;
  overflow-y: auto;
  padding: 8px;
  border: 3px solid var(--text-dark);
  border-radius: var(--border-radius-md);
  background: #fbfbf6;
  margin-bottom: 20px;
}

.letter-btn {
  aspect-ratio: 1;
  font-family: inherit;
  font-weight: 800;
  font-size: 1.6rem;
  border: 3px solid var(--text-dark);
  border-radius: 12px;
  background: white;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--text-dark);
  transition: all 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.letter-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--text-dark);
  background: #fffbef;
}

.letter-btn.active {
  background: var(--lime-green);
  color: white;
  transform: translateY(4px);
  box-shadow: 0 0px 0 var(--text-dark);
}

/* ---------------------------------------------------- */
/* BALLOON POP VIEW                                     */
/* ---------------------------------------------------- */

#balloon-pop-screen {
  background: linear-gradient(to bottom, #b3e5fc 0%, #e1f5fe 100%);
  position: relative;
  overflow: hidden;
}

.cloud {
  position: absolute;
  background: white;
  border-radius: 100px;
  opacity: 0.85;
  animation: floatCloud 24s linear infinite;
  pointer-events: none;
}
.cloud::before, .cloud::after {
  content: '';
  position: absolute;
  background: white;
  border-radius: 50%;
}
.cloud::before {
  width: 50px;
  height: 50px;
  top: -20px;
  left: 15px;
}
.cloud::after {
  width: 70px;
  height: 70px;
  top: -35px;
  right: 15px;
}

.cloud-1 { width: 140px; height: 40px; top: 15%; animation-duration: 28s; }
.cloud-2 { width: 180px; height: 50px; top: 35%; animation-duration: 38s; animation-delay: -10s; }
.cloud-3 { width: 120px; height: 35px; top: 60%; animation-duration: 22s; animation-delay: -5s; }

/* Scoreboard */
.pop-scoreboard {
  position: absolute;
  top: 96px;
  background: white;
  border: 4px solid var(--text-dark);
  border-radius: var(--border-radius-md);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 1.6rem;
  font-weight: 800;
  box-shadow: 0 6px 0 var(--shadow-color);
  z-index: 10;
}

.pop-scoreboard span {
  color: var(--lavender);
}

/* Popping Arena */
.balloon-arena {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 2;
}

/* Floating Balloons */
.balloon {
  position: absolute;
  bottom: -150px;
  width: 90px;
  height: 110px;
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  pointer-events: auto;
  cursor: pointer;
  box-shadow: inset -10px -10px 0 rgba(0,0,0,0.1), 0 10px 15px rgba(0,0,0,0.15);
  animation: floatUp 8s linear infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}

.balloon::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 45px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 12px solid currentColor;
  transform: translateX(-50%);
}

.balloon-string {
  position: absolute;
  bottom: -50px;
  left: 45px;
  width: 2px;
  height: 45px;
  background-color: rgba(58, 50, 34, 0.4);
  transform: translateX(-50%);
}

.balloon-text {
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

/* Pop particle effects */
.confetti {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  pointer-events: none;
  animation: explode 0.6s ease-out forwards;
}

/* ---------------------------------------------------- */
/* ANIMATIONS                                           */
/* ---------------------------------------------------- */

@keyframes bounce {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(2deg); }
}

@keyframes floatCloud {
  0% { transform: translateX(100vw); }
  100% { transform: translateX(-200px); }
}

@keyframes floatUp {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-50vh) rotate(3deg);
  }
  100% {
    transform: translateY(-120vh) rotate(-3deg);
  }
}

@keyframes explode {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) scale(0);
    opacity: 0;
  }
}

/* Responsive details */
@media (max-width: 600px) {
  .view {
    padding: 16px;
  }
  .navbar {
    top: 8px;
    left: 8px;
    right: 8px;
  }
  .activity-view {
    padding-top: 80px;
  }
  .activities-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ==================================================== */
/* EXPANDED ACTIVITIES STYLING                          */
/* ==================================================== */

/* Card Colors expansion */
.activity-card.orange { box-shadow: 0 10px 0 var(--sunny-orange-dark); }
.activity-card.orange:active { box-shadow: 0 2px 0 var(--sunny-orange-dark); }
.activity-card.orange .card-btn { background-color: var(--sunny-orange); }

/* Balloon Pop Milestone Checkpoint */
.checkpoint-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(58, 50, 34, 0.45);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  animation: fadeIn 0.3s ease forwards;
}

.checkpoint-card {
  background: white;
  border: 5px solid var(--text-dark);
  border-radius: var(--border-radius-lg);
  padding: 32px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 12px 0 var(--text-dark);
  animation: popZoom 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.checkpoint-icon {
  font-size: 3.5rem;
  animation: wobble 1s infinite alternate;
}

.checkpoint-num {
  font-size: 6rem;
  font-weight: 850;
  color: var(--lavender);
  text-shadow: 4px 4px 0 var(--text-dark);
  margin: 10px 0;
  animation: pulseScale 1s infinite alternate;
}

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

.checkpoint-subtitle {
  font-size: 1.1rem;
  color: #6b6049;
  font-weight: 600;
}

/* Objects & Body Choice Grids */
.objects-grid, .body-parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 20px;
  width: 100%;
  max-width: 500px;
  margin: 24px 0;
}

.object-choice-card, .body-choice-card {
  background: #fbfbf6;
  border: 3px solid var(--text-dark);
  border-radius: var(--border-radius-md);
  aspect-ratio: 1;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 0 var(--text-dark);
  transition: all 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.object-choice-card:hover, .body-choice-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 0 var(--text-dark);
  background: white;
}

.object-choice-card:active, .body-choice-card:active {
  transform: translateY(4px);
  box-shadow: 0 0px 0 var(--text-dark);
}

.choice-emoji {
  font-size: 3.2rem;
  margin-bottom: 6px;
}

.choice-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
}

/* Safari Sound Board Layout */
.animals-grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
  width: 100%;
}

.animal-choice-card {
  background: white;
  border: 4px solid var(--text-dark);
  border-radius: var(--border-radius-lg);
  padding: 24px 16px;
  cursor: pointer;
  box-shadow: 0 8px 0 var(--text-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.animal-choice-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 0 var(--text-dark);
}

.animal-choice-card:active {
  transform: translateY(4px);
  box-shadow: 0 0px 0 var(--text-dark);
}

.animal-choice-card .choice-emoji {
  font-size: 4rem;
  transition: transform 0.2s;
}

.animal-choice-card:hover .choice-emoji {
  transform: scale(1.15) rotate(4deg);
}

/* Keyframes for new overlays */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes popZoom {
  from { transform: scale(0.6); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes pulseScale {
  from { transform: scale(0.95); }
  to { transform: scale(1.05); }
}

@keyframes wobble {
  from { transform: rotate(-5deg); }
  to { transform: rotate(5deg); }
}