/* ── Cabii Platform – Shared Styles ── */
:root {
  --primary: #FF6B6B;
  --secondary: #4ECDC4;
  --accent: #FFD700;
  --bg-light: #F8FAFF;
  --text: #333;
  --text-light: #777;
  --radius: 22px;
  --shadow: 0 8px 28px rgba(0,0,0,0.11);
  --font: 'Arial Rounded MT Bold', 'Comic Sans MS', 'Trebuchet MS', Arial, sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Navigation Bar ── */
.cabii-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  padding: 8px 16px;
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}

.cabii-nav .logo {
  font-size: clamp(18px, 3.5vw, 26px);
  font-weight: bold;
  color: var(--primary);
  text-decoration: none;
  display: flex; align-items: center; gap: 6px;
}

.cabii-nav .nav-controls {
  display: flex; align-items: center; gap: 10px;
}

.lang-select {
  padding: 5px 10px;
  border-radius: 12px;
  border: 2px solid #e0e0e0;
  font-family: var(--font);
  font-size: 14px;
  cursor: pointer;
  background: white;
}

.age-select {
  padding: 5px 10px;
  border-radius: 12px;
  border: 2px solid #e0e0e0;
  font-family: var(--font);
  font-size: 14px;
  cursor: pointer;
  background: white;
}

/* ── Category Grid ── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.category-card {
  background: white;
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  display: flex; flex-direction: column; align-items: center;
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  border-top: 7px solid transparent;
  color: inherit;
}
.category-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 18px 45px rgba(0,0,0,0.16);
}

.category-card .card-emoji {
  font-size: clamp(48px, 8vw, 72px);
  display: block;
  margin-bottom: 12px;
}

.category-card .card-title {
  font-size: clamp(18px, 3vw, 24px);
  font-weight: bold;
  margin-bottom: 6px;
}

.category-card .card-desc {
  font-size: clamp(12px, 2vw, 15px);
  color: var(--text-light);
  line-height: 1.5;
}

/* ── Game Card (inside category pages) ── */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

.game-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px 20px 20px;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  display: flex; flex-direction: column; align-items: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border-top: 6px solid transparent;
  color: inherit;
}
.game-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 40px rgba(0,0,0,0.15);
}

.game-card .card-emoji {
  font-size: clamp(44px, 7vw, 64px);
  display: block;
  margin-bottom: 10px;
  animation: floatEmoji 3.5s ease-in-out infinite alternate;
}

@keyframes floatEmoji {
  from { transform: translateY(0); }
  to { transform: translateY(-8px); }
}

.game-card .card-title {
  font-size: clamp(16px, 2.8vw, 20px);
  font-weight: bold;
  margin-bottom: 6px;
}

.game-card .card-desc {
  font-size: clamp(12px, 2vw, 14px);
  color: var(--text-light);
  line-height: 1.45;
  margin-bottom: 14px;
  flex-grow: 1;
}

.play-btn {
  display: inline-block;
  padding: 10px 26px;
  border-radius: 50px;
  color: white;
  font-size: clamp(13px, 2.2vw, 16px);
  font-weight: bold;
  font-family: var(--font);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  transition: transform 0.15s ease;
}
.play-btn:hover { transform: scale(1.06); }

/* ── Page Header (category / game) ── */
.page-header {
  text-align: center;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(12px);
  border-radius: 30px;
  padding: 22px 36px;
  margin: 80px auto 28px;
  max-width: 900px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
}
.page-header h1 {
  font-size: clamp(24px, 5vw, 42px);
  margin-bottom: 4px;
}
.page-header p {
  font-size: clamp(13px, 2.5vw, 18px);
  color: var(--text-light);
}

/* ── Back Button ── */
.back-btn {
  position: fixed; bottom: 18px; left: 18px; z-index: 150;
  width: 52px; height: 52px;
  border-radius: 50%; border: none;
  background: white;
  font-size: 24px; cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transition: transform 0.18s;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
}
.back-btn:hover { transform: scale(1.12); }

/* ── Footer ── */
.cabii-footer {
  margin-top: 36px;
  padding: 16px 24px;
  text-align: center;
  font-size: 14px;
  color: rgba(50,50,50,0.55);
  background: rgba(255,255,255,0.5);
  border-radius: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Backgrounds ── */
.bg-kids { background: linear-gradient(180deg, #87CEEB 0%, #B8E8FF 40%, #C8F0C8 75%, #7DC87D 100%); }
.bg-play { background: linear-gradient(160deg, #FFF3E0 0%, #FFE0B2 50%, #FFCCBC 100%); }
.bg-world { background: linear-gradient(160deg, #E8F5E9 0%, #C8E6C9 50%, #A5D6A7 100%); }
.bg-joy { background: linear-gradient(160deg, #FCE4EC 0%, #F8BBD0 50%, #F48FB1 100%); }
.bg-land { background: linear-gradient(160deg, #E3F2FD 0%, #BBDEFB 50%, #90CAF9 100%); }
.bg-math { background: linear-gradient(160deg, #FFF8E1 0%, #FFECB3 50%, #FFD54F 100%); }
.bg-school { background: linear-gradient(160deg, #F3E5F5 0%, #E1BEE7 50%, #CE93D8 100%); }
.bg-language { background: linear-gradient(160deg, #E0F7FA 0%, #B2EBF2 50%, #80DEEA 100%); }
.bg-net { background: linear-gradient(160deg, #E8EAF6 0%, #C5CAE9 50%, #9FA8DA 100%); }
.bg-main { background: linear-gradient(180deg, #667eea 0%, #764ba2 100%); }

/* ── Content wrapper ── */
.page-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Age Badge ── */
.age-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: bold;
  background: rgba(0,0,0,0.08);
  color: #555;
  margin-top: 8px;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .category-grid, .games-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .cabii-nav {
    padding: 6px 10px;
  }
}

@media (max-width: 400px) {
  .category-grid, .games-grid {
    grid-template-columns: 1fr;
  }
}