@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@700;800;900&display=swap');

:root {
  --font: 'Nunito', 'Comic Sans MS', cursive;
  --tap: 80px;
  --radius: 24px;
  --c1: #c8b8f0; --c2: #b8d4f0; --c3: #a8e6cf; --c4: #FFD93D;
  --c5: #FF9F43; --c6: #FF6B6B; --c7: #4ECDC4; --c8: #45B7D1;
  --bg-dark: #1a1a2e;
  --white: #ffffff;
}

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

html, body {
  width: 100%; height: 100%; overflow: hidden;
  font-family: var(--font);
  background: var(--bg-dark);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

/* Prevent double-tap zoom on iOS */
* { touch-action: manipulation; }

.screen {
  width: 100vw; height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 24px; gap: 20px;
}

.title {
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 900; color: var(--white);
  text-shadow: 0 3px 12px rgba(0,0,0,0.3);
  text-align: center;
}

.subtitle {
  font-size: clamp(14px, 3vw, 20px);
  color: rgba(255,255,255,0.6);
  text-align: center;
}

/* Avatar bubble (profile chooser) */
.avatar-btn {
  width: 120px; height: 120px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.3);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 8px 28px rgba(0,0,0,0.3);
  gap: 4px;
}
.avatar-btn:active { transform: scale(0.92); }
.avatar-btn .emoji { font-size: 52px; line-height: 1; }
.avatar-btn .name {
  font-size: 14px; font-weight: 800;
  color: var(--white); text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.avatar-btn .age-label {
  font-size: 11px; color: rgba(255,255,255,0.5);
}

/* Big section button (home screen) */
.section-btn {
  min-width: var(--tap); min-height: var(--tap);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.92);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  cursor: pointer; gap: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  transition: transform 0.12s ease;
  padding: 16px 20px;
}
.section-btn:active { transform: scale(0.93); }
.section-btn .icon { font-size: 44px; line-height: 1; }
.section-btn .label { font-size: 15px; font-weight: 900; letter-spacing: 1px; }

/* Activity card (section hub) */
.activity-card {
  min-width: var(--tap); min-height: var(--tap);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(255,255,255,0.2);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  cursor: pointer; gap: 8px; padding: 20px;
  transition: transform 0.12s ease, background 0.12s ease;
  flex: 1;
}
.activity-card:active { transform: scale(0.93); background: rgba(255,255,255,0.22); }
.activity-card .icon { font-size: 40px; }
.activity-card .label { font-size: 14px; font-weight: 800; color: var(--white); text-align: center; }

/* Back button */
.back-btn {
  position: fixed; top: 16px; left: 16px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; cursor: pointer;
  transition: background 0.12s;
  z-index: 100;
}
.back-btn:active { background: rgba(255,255,255,0.3); }

/* Row / column flex helpers */
.row { display: flex; flex-direction: row; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: center; }
.col { display: flex; flex-direction: column; align-items: center; gap: 16px; }

/* Animations */
@keyframes popIn {
  0% { transform: scale(0); opacity: 0; }
  70% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
.pop-in { animation: popIn 0.3s ease forwards; }
.float { animation: float 3s ease-in-out infinite; }
.pulse { animation: pulse 2s ease-in-out infinite; }