/* ===========================
   CLEDUCA — Estilos Principales
   =========================== */

* {
  touch-action: manipulation;
}

/* Scrollbars personalizados */
::-webkit-scrollbar {
  width: 6px;
  height: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--c-primary);
}

.no-scrollbar::-webkit-scrollbar,
.home-materias-scroll::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}
.no-scrollbar,
.home-materias-scroll {
  -ms-overflow-style: none !important;
  scrollbar-width: none !important;
}

.home-materias-scroll {
  display: flex;
  overflow-x: auto;
  gap: 12px;
  padding: 4px 2px 14px 2px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  width: 100%;
  box-sizing: border-box;
}

.home-materia-card {
  flex: 0 0 138px;
  min-width: 138px;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: 20px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, border-color 0.2s ease;
  box-sizing: border-box;
}
.home-materia-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-primary);
}

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=Quicksand:wght@400;500;600;700&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  height: 100%;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background-color: var(--c-bg, #FAF9F6);
}

body {
  min-height: 100%;
  font-family: 'Quicksand', sans-serif;
  background-color: var(--c-bg, #FAF9F6);
  color: var(--c-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text);
}

/* ── App Shell ── */
#app {
  width: 100%;
  max-width: 100%;
  min-height: 100dvh;
  margin: 0 auto;
  position: relative;
  overflow-x: hidden;
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
}

/* ── Views ── */
.view {
  display: none;
  min-height: 100dvh;
  flex-direction: column;
  padding-bottom: 90px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}
#view-game {
  height: 100dvh !important;
  max-height: 100dvh !important;
  min-height: 100dvh !important;
  overflow: hidden !important;
  padding-bottom: 0 !important;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.view.active {
  display: flex;
  animation: fadeIn 0.35s ease forwards;
}
.view.slide-left  { animation: slideInRight 0.35s ease forwards; }
.view.slide-right { animation: slideInLeft 0.35s ease forwards; }

/* ── Top Header ── */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-bg-nav);
  border-bottom: 2px solid var(--c-border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}
.top-bar-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  background: var(--grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}
.top-back-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  color: var(--c-primary);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  transition: all 0.2s ease;
  line-height: 1;
}
.top-back-btn:active {
  transform: scale(0.92);
}
.top-stats {
  display: flex;
  align-items: center;
  gap: 12px;
}
.stat-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 5px 10px;
  border-radius: 20px;
  background: var(--c-surface);
  white-space: nowrap;
}
.stat-chip.xp   { color: var(--c-xp); }
.stat-chip.lives { color: var(--c-lives); }
.stat-chip.streak { color: var(--c-streak); }
.stat-chip .icon { font-size: 1rem; }

/* ── Bottom Navigation ── */
.bottom-nav {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  min-width: 300px;
  max-width: 90%;
  height: 64px;
  background: var(--c-bg-nav);
  border: 1px solid var(--c-border);
  border-radius: 40px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 16px;
  gap: 12px;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 4px;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--c-text-muted);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  transition: all 0.2s ease;
  position: relative;
  min-width: 50px;
}
.nav-item .nav-icon { font-size: 1.4rem; line-height: 1; }
.nav-item.active {
  color: var(--c-primary);
}
.nav-item.active .nav-icon {
  transform: scale(1.15);
}
.nav-item::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--c-primary);
  border-radius: 2px 2px 0 0;
  transition: width 0.3s ease;
}
.nav-item.active::after { width: 24px; }

/* Botón central flotante (FAB) */
.nav-fab-container {
  position: relative;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transform: translateY(-16px);
}
.nav-fab {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--grad-btn);
  border: 4px solid var(--c-bg); /* Cutout effect */
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 16px var(--c-shadow);
  transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
  position: absolute;
}
.nav-fab:hover { transform: scale(1.08); }
.nav-fab:active { transform: scale(0.95); }
.nav-fab .fab-icon { font-size: 1.6rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2)); }
.nav-fab .fab-label {
  position: absolute;
  bottom: -22px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--c-primary);
  white-space: nowrap;
}

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 16px;
  border: none;
  cursor: pointer;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.3px;
  transition: all 0.2s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--grad-btn);
  color: var(--c-text-on-primary);
  box-shadow: 0 4px 0 var(--c-primary-dark), 0 6px 20px var(--c-shadow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--c-primary-dark), 0 8px 25px var(--c-shadow); }
.btn-primary:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--c-primary-dark); }

.btn-secondary {
  background: var(--c-bg-card);
  color: var(--c-primary);
  border: 2.5px solid var(--c-primary);
  box-shadow: 0 4px 0 rgba(0,0,0,0.1);
}
.btn-secondary:hover { background: var(--c-surface); transform: translateY(-2px); }
.btn-secondary:active { transform: translateY(2px); box-shadow: 0 2px 0 rgba(0,0,0,0.1); }

.btn-ghost {
  background: transparent;
  color: var(--c-text-muted);
  padding: 10px 16px;
}
.btn-ghost:hover { background: var(--c-surface); color: var(--c-text); }

.btn-google {
  background: #fff;
  color: #1F2937;
  border: 2px solid #E5E7EB;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  gap: 10px;
}
.btn-google:hover { background: #F9FAFB; border-color: #D1D5DB; transform: translateY(-1px); }

.btn-danger {
  background: linear-gradient(135deg, #EF4444, #DC2626);
  color: #fff;
  box-shadow: 0 4px 0 #B91C1C;
}

.btn-full { width: 100%; }
.btn-lg { padding: 16px 32px; font-size: 1.1rem; border-radius: 18px; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; border-radius: 12px; }
.btn-icon { width: 44px; height: 44px; padding: 0; border-radius: 14px; }

/* ── Cards ── */
.card {
  background: var(--c-bg-card);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 2px 12px var(--c-shadow-card);
  border: 1.5px solid var(--c-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 24px var(--c-shadow-card); }
.card-lg { border-radius: 24px; padding: 20px; }
.card-sm { border-radius: 16px; padding: 12px; }

.game-card {
  background: var(--c-bg-card);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 16px var(--c-shadow-card);
  border: 1.5px solid var(--c-border);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
}
.game-card:hover { transform: translateY(-4px) scale(1.01); box-shadow: 0 12px 32px var(--c-shadow-card); }
.game-card:active { transform: scale(0.98); }
.game-card-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  background: var(--grad-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
}
.game-card-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--c-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 10px;
}
.games-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.subjects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.game-card-body { padding: 14px 14px 16px; }
.game-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  color: var(--c-primary);
  margin-bottom: 4px;
}
.game-card-title { font-size: 1.1rem; margin-bottom: 4px; }
.game-card-desc { font-size: 0.85rem; color: var(--c-text-muted); line-height: 1.4; margin-bottom: 12px; }
.game-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 12px;
  background: var(--grad-btn);
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.game-card-btn:hover { transform: scale(1.03); }

/* ── Inputs ── */
.input-group { margin-bottom: 16px; }
.input-label {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--c-text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}
.input-field {
  width: 100%;
  padding: 13px 16px;
  border-radius: 14px;
  border: 2.5px solid var(--c-border);
  background: var(--c-bg-input);
  color: var(--c-text);
  font-family: 'Quicksand', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input-field:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-shadow);
}
.input-field::placeholder { color: var(--c-text-light); }

/* PIN Input */
.pin-inputs {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 16px 0;
}
.pin-digit {
  width: 56px;
  height: 64px;
  border-radius: 16px;
  border: 2.5px solid var(--c-border);
  background: var(--c-bg-input);
  text-align: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--c-text);
  outline: none;
  transition: all 0.2s ease;
}
.pin-digit:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-shadow); }

/* ── Badges / Tags ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
}
.badge-primary { background: var(--c-surface); color: var(--c-primary); }
.badge-xp { background: rgba(255,200,0,0.15); color: var(--c-xp); }
.badge-lives { background: rgba(255,75,75,0.12); color: var(--c-lives); }
.badge-streak { background: rgba(255,150,0,0.12); color: var(--c-streak); }
.badge-new { background: #FF4500; color: #fff; font-size: 0.65rem; padding: 2px 7px; border-radius: 6px; }

/* ── Progress Bar ── */
.progress-wrap {
  background: var(--c-border);
  border-radius: 20px;
  height: 12px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--grad-btn);
  border-radius: 20px;
  transition: width 0.8s cubic-bezier(0.22,1,0.36,1);
  position: relative;
  overflow: hidden;
}
.progress-bar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
  animation: shine 2s linear infinite;
  background-size: 200% auto;
}
.progress-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--c-text-muted);
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
}

/* ── Modals / Overlays ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}
.modal-overlay.center { align-items: center; }
.modal-sheet {
  background: var(--c-bg-card);
  border-radius: 28px 28px 0 0;
  padding: 24px 20px 40px;
  width: 100%;
  max-width: 430px;
  max-height: 90dvh;
  overflow-y: auto;
  animation: slideInBottom 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-dialog {
  background: var(--c-bg-card);
  border-radius: 24px;
  padding: 28px 24px;
  width: calc(100% - 40px);
  max-width: 380px;
  animation: bounceIn 0.4s ease;
}
.modal-handle {
  width: 40px;
  height: 4px;
  background: var(--c-border);
  border-radius: 4px;
  margin: 0 auto 20px;
}
.modal-title {
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: 8px;
}
.modal-subtitle {
  font-size: 0.9rem;
  color: var(--c-text-muted);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.5;
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: none;
  background: var(--c-surface);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-muted);
  transition: all 0.2s ease;
}
.modal-close:hover { background: var(--c-border); color: var(--c-text); }

/* ── Toast Notifications ── */
.toast-container {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 40px);
  max-width: 390px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--c-bg-card);
  border-radius: 16px;
  padding: 12px 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  border: 1.5px solid var(--c-border);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.4s ease, fadeIn 0.4s ease;
  pointer-events: all;
}
.toast.success { border-left: 4px solid var(--c-primary); }
.toast.error   { border-left: 4px solid var(--c-lives); }
.toast.info    { border-left: 4px solid var(--c-tertiary); }
.toast.warning { border-left: 4px solid var(--c-streak); }
.toast-icon { font-size: 1.5rem; }
.toast-text { flex: 1; }
.toast-text strong { display: block; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 0.9rem; }
.toast-text span { font-size: 0.8rem; color: var(--c-text-muted); }

/* ── Section Headers ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 16px 12px;
}
.section-title {
  font-size: 1.1rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
}
.section-link {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--c-primary);
  text-decoration: none;
  cursor: pointer;
}
.section-link:hover { text-decoration: underline; }

/* ── Subject Chips ── */
.subject-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--c-bg-card);
  border: 1.5px solid var(--c-border);
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 2px 8px var(--c-shadow-card);
}
.subject-chip:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 20px var(--c-shadow-card); }
.subject-chip:active { transform: scale(0.98); }
.subject-chip-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--grad-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.subject-chip-info { flex: 1; }
.subject-chip-name { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 0.95rem; }
.subject-chip-desc { font-size: 0.78rem; color: var(--c-text-muted); }
.subject-chip-progress { text-align: right; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 0.8rem; color: var(--c-primary); }

/* ── Achievement Cards ── */
.achievement-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: 18px;
  background: var(--c-bg-card);
  border: 1.5px solid var(--c-border);
  transition: all 0.2s ease;
}
.achievement-card.locked { opacity: 0.55; filter: grayscale(0.6); }
.achievement-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--grad-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--c-shadow);
}
.achievement-info { flex: 1 }
.achievement-name { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 0.95rem; }
.achievement-desc { font-size: 0.8rem; color: var(--c-text-muted); margin-top: 2px; }
.achievement-xp { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 0.8rem; color: var(--c-xp); margin-top: 4px; }

/* ── Profile Cards (Netflix-style) ── */
.profiles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 16px;
}
.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  border-radius: 20px;
  background: var(--c-bg-card);
  border: 2px solid var(--c-border);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 4px 16px var(--c-shadow-card);
}
.profile-card:hover { transform: translateY(-4px) scale(1.03); border-color: var(--c-primary); box-shadow: 0 12px 32px var(--c-shadow); }
.profile-card:active { transform: scale(0.97); }
.profile-card.add-profile { border-style: dashed; background: var(--c-surface); }
.profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: var(--grad-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  border: 3px solid var(--c-border);
  transition: border-color 0.2s ease;
}
.profile-card:hover .profile-avatar { border-color: var(--c-primary); }
.profile-name { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 0.9rem; text-align: center; }
.profile-grade { font-size: 0.75rem; color: var(--c-text-muted); }
.profile-xp-bar { width: 100%; }

/* ── Grade Selector ── */
.grade-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 20px;
  background: var(--c-bg-card);
  border: 2.5px solid var(--c-border);
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 2px 10px var(--c-shadow-card);
}
.grade-card:hover { border-color: var(--c-primary); transform: translateX(4px); box-shadow: 0 4px 20px var(--c-shadow); }
.grade-card.selected { border-color: var(--c-primary); background: var(--c-surface); }
.grade-card.selected .grade-icon { background: var(--grad-btn); }
.grade-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--c-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
  transition: all 0.2s ease;
}
.grade-info { flex: 1; }
.grade-name { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 1.1rem; }
.grade-ages { font-size: 0.8rem; color: var(--c-text-muted); }
.grade-check { font-size: 1.4rem; color: var(--c-primary); opacity: 0; transition: opacity 0.2s; }
.grade-card.selected .grade-check { opacity: 1; }

/* ── Cleo Container ── */
.cleo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.cleo-wrap {
  position: relative;
  cursor: pointer;
}
.cleo-svg { width: 120px; height: 120px; }
.cleo-bubble {
  background: var(--c-bg-card);
  border-radius: 20px;
  border: 2px solid var(--c-border);
  padding: 12px 16px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 16px var(--c-shadow-card);
  max-width: 240px;
}
.cleo-bubble::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 10px solid var(--c-border);
}
.cleo-bubble::after {
  content: '';
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 9px solid var(--c-bg-card);
}
.cleo-name-tag {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 900;
  font-size: 1.2rem;
  background: var(--grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Skin Selector ── */
.skins-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 8px 0;
}
.skin-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  border-radius: 16px;
  border: 2.5px solid var(--c-border);
  background: var(--c-bg-card);
  cursor: pointer;
  transition: all 0.22s ease;
}
.skin-card.selected { border-color: var(--c-primary); background: var(--c-surface); }
.skin-card.locked { opacity: 0.5; position: relative; }
.skin-card-icon { font-size: 2.5rem; }
.skin-card-name { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 0.7rem; text-align: center; }
.skin-lock {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

/* ── Premium Banner ── */
.premium-banner {
  background: linear-gradient(135deg, #A855F7, #EC4899);
  border-radius: 20px;
  padding: 16px 20px;
  margin: 24px 16px 20px 16px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 6px 24px rgba(124,58,237,0.3);
}
.premium-banner:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(124,58,237,0.4); }
.premium-banner-icon { font-size: 2.5rem; }
.premium-banner-text h3 { font-size: 1rem; font-weight: 800; color: #fff; margin-bottom: 2px; }
.premium-banner-text p { font-size: 0.8rem; opacity: 0.9; }
.premium-badge {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 10px;
  margin-left: auto;
  white-space: nowrap;
}

/* ── Dividers & Layout ── */
.divider {
  height: 1px;
  background: var(--c-border);
  margin: 16px 0;
}
.divider-text {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--c-text-muted);
}
.divider-text::before, .divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--c-border);
}
.p-4 { padding: 16px; }
.p-5 { padding: 20px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.px-5 { padding-left: 20px; padding-right: 20px; }
.pb-safe { padding-bottom: max(20px, env(safe-area-inset-bottom)); }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-muted { color: var(--c-text-muted); }
.font-headline { font-family: 'Plus Jakarta Sans', sans-serif; }

/* ── Scroll ── */
.scroll-x {
  display: flex;
  overflow-x: auto;
  gap: 12px;
  padding: 4px 16px 12px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.scroll-x::-webkit-scrollbar { display: none; }

/* ── Splash View specific ── */
#view-splash {
  min-height: 100dvh;
  background: var(--grad-hero);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 40px 24px;
}
.splash-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 900;
  font-size: 3rem;
  color: #fff;
  letter-spacing: -1px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.splash-tagline {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.5;
}
.splash-clouds {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 200px;
  pointer-events: none;
  overflow: hidden;
}
.cloud {
  position: absolute;
  background: rgba(255,255,255,0.3);
  border-radius: 50px;
  animation: float linear infinite;
}

/* ── Game UI ── */
.game-header {
  background: var(--c-bg-nav);
  padding: 12px 16px;
  border-bottom: 2px solid var(--c-border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.game-progress-bar {
  flex: 1;
  height: 10px;
  background: var(--c-border);
  border-radius: 10px;
  overflow: hidden;
}
.game-progress-fill {
  height: 100%;
  background: var(--grad-btn);
  border-radius: 10px;
  transition: width 0.5s ease;
}
.game-lives {
  display: flex;
  gap: 4px;
  font-size: 1.2rem;
}
.life { transition: all 0.3s ease; }
.life.lost { filter: grayscale(1); opacity: 0.4; }

.question-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
  gap: 20px;
}
.question-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  text-align: center;
  line-height: 1.3;
}
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
}
.option-btn {
  padding: 18px 12px;
  border-radius: 18px;
  border: 2.5px solid var(--c-border);
  background: var(--c-bg-card);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 2px 8px var(--c-shadow-card);
  text-align: center;
}
.option-btn:hover { border-color: var(--c-primary); background: var(--c-surface); transform: scale(1.03); }
.option-btn:active { transform: scale(0.97); }
.option-btn.correct {
  border-color: #58CC02;
  background: #EDFFD5;
  color: #3E9700;
  animation: pulse 0.3s ease;
}
.option-btn.wrong {
  border-color: #FF4B4B;
  background: #FFE8E8;
  color: #CC0000;
  animation: shake 0.4s ease;
}

/* ── Theme Selector ── */
.themes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.theme-btn {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 14px;
  border: 3px solid transparent;
  cursor: pointer;
  transition: all 0.22s ease;
  position: relative;
  overflow: hidden;
}
.theme-btn.active { border-color: var(--c-text); transform: scale(1.1); }
.theme-btn span {
  position: absolute;
  bottom: 3px;
  left: 0; right: 0;
  text-align: center;
  font-size: 0.55rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* ── Ads Modal ── */
.ad-modal-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
}
.ad-countdown {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--c-surface);
  border: 4px solid var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--c-primary);
  animation: glowPulse 1s ease-in-out infinite;
}
.ad-progress {
  width: 100%;
  height: 6px;
  background: var(--c-border);
  border-radius: 6px;
  overflow: hidden;
}
.ad-progress-fill {
  height: 100%;
  background: var(--grad-btn);
  border-radius: 6px;
  transition: width 1s linear;
}

/* ── Parental Controls ── */
.parental-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.parental-dialog {
  background: var(--c-bg-card);
  border-radius: 24px;
  padding: 28px 24px;
  width: 100%;
  max-width: 360px;
  text-align: center;
  animation: bounceIn 0.4s ease;
}
.parental-icon { font-size: 3rem; margin-bottom: 12px; }
.parental-title { font-size: 1.3rem; margin-bottom: 8px; }
.parental-desc { font-size: 0.85rem; color: var(--c-text-muted); margin-bottom: 20px; }

/* ── Onboarding Screens ── */
#view-onboard, #view-grade, #view-profiles, #view-auth {
  padding-bottom: 0;
}
.onboard-header {
  background: var(--grad-hero);
  padding: 48px 24px 60px;
  text-align: center;
  border-radius: 0 0 32px 32px;
}
.onboard-title { color: #fff; font-size: 1.7rem; margin-bottom: 8px; }
.onboard-subtitle { color: rgba(255,255,255,0.85); font-size: 0.95rem; font-weight: 600; }
.onboard-body { padding: 24px 20px; flex: 1; }

/* ── Floating XP popup ── */
.xp-popup {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-bg-card);
  border-radius: 20px;
  padding: 14px 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  border: 2px solid var(--c-xp);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  z-index: 900;
  animation: popIn 0.5s ease, fadeIn 0.5s ease reverse 2s forwards;
  pointer-events: none;
}
.xp-popup .xp-icon { font-size: 1.5rem; }
.xp-popup .xp-amount { color: var(--c-xp); font-size: 1.3rem; }

/* ── Full Responsive Media Queries (Mobile, Tablet, iPad, Desktop) ── */
@media (min-width: 640px) {
  body {
    background-color: var(--c-bg, #FAF9F6);
  }

  .top-bar {
    padding: 16px 32px;
  }

  .games-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .subjects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .profiles-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .home-materias-scroll {
    gap: 16px;
  }

  .home-materia-card {
    flex: 0 0 160px;
    min-width: 160px;
  }

  .bottom-nav {
    min-width: 480px;
    max-width: 560px;
    height: 72px;
    bottom: 28px;
    padding: 0 24px;
  }

  .nav-item {
    font-size: 0.72rem;
    padding: 8px 12px;
    min-width: 60px;
  }

  .nav-item .nav-icon {
    font-size: 1.6rem;
  }

  .modal-sheet {
    max-width: 560px;
    margin: 0 auto;
    border-radius: 28px 28px 0 0;
  }

  .modal-dialog {
    max-width: 480px;
  }

  /* Game View Tablet & iPad Adapters */
  #view-game {
    max-width: 1000px !important;
    margin: 0 auto;
  }

  #view-game div[style*="max-width:440px"],
  #view-game div[style*="max-width: 440px"],
  #view-game div[style*="max-width:400px"],
  #view-game div[style*="max-width: 400px"],
  #view-game div[style*="max-width:340px"],
  #view-game div[style*="max-width: 340px"],
  #view-game div[style*="max-width:320px"],
  #view-game div[style*="max-width: 320px"] {
    max-width: 680px !important;
  }

  #view-game #prog-grid {
    max-width: 340px !important;
    height: 340px !important;
  }

  #view-game canvas {
    max-width: 100% !important;
    height: auto !important;
  }
}

@media (min-width: 1024px) {
  .games-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .subjects-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .profiles-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .bottom-nav {
    min-width: 560px;
    max-width: 640px;
    height: 76px;
    bottom: 32px;
  }

  /* Game View Desktop Adapters */
  #view-game {
    max-width: 1100px !important;
  }

  #view-game div[style*="max-width:440px"],
  #view-game div[style*="max-width: 440px"],
  #view-game div[style*="max-width:400px"],
  #view-game div[style*="max-width: 400px"],
  #view-game div[style*="max-width:340px"],
  #view-game div[style*="max-width: 340px"],
  #view-game div[style*="max-width:320px"],
  #view-game div[style*="max-width: 320px"],
  #view-game div[style*="max-width:680px"],
  #view-game div[style*="max-width: 680px"] {
    max-width: 860px !important;
  }

  #view-game #prog-grid {
    max-width: 380px !important;
    height: 380px !important;
  }
}

/* ── Safe area (iPhone notch) ── */
@supports (padding: max(0px)) {
  .bottom-nav { padding-bottom: max(8px, env(safe-area-inset-bottom)); height: auto; min-height: 70px; }
}

/* ── Scrollbar custom ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-text-muted); }