/* ===========================
   ESTILOS BASE GLOBALES
   =========================== */
@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Nunito:wght@400;600;700;800&display=swap');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

/* ========= TIPOGRAFÍA ========= */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 2rem); }

p {
  line-height: 1.6;
  font-size: 1.05rem;
}

/* ========= BOTONES GLOBALES ========= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255,255,255,0.15);
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--text-white);
  box-shadow: 0 6px 0 var(--color-primary-dark), var(--shadow-colored);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 0 var(--color-primary-dark), var(--shadow-colored);
}

.btn-primary:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--color-primary-dark);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--text-white);
  box-shadow: 0 6px 0 var(--color-secondary-dark), 0 6px 24px rgba(78,205,196,0.25);
}

.btn-secondary:hover {
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--color-secondary-dark);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--text-dark);
  box-shadow: 0 6px 0 var(--color-accent-dark);
}

.btn-lg {
  padding: 18px 48px;
  font-size: 1.3rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.95rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ========= TARJETAS ========= */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ========= BARRA DE PROGRESO ========= */
.progress-bar {
  width: 100%;
  height: 20px;
  background: #E8E8EE;
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.08);
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.progress-bar__fill::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  to { left: 200%; }
}

/* ========= MASCOTA ========= */
.mascota {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: 4px solid var(--bg-card);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-mascota);
  cursor: pointer;
  user-select: none;
  animation: mascotaFloat 3s ease-in-out infinite;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.mascota:hover {
  transform: scale(1.08);
}

.mascota:active {
  transform: scale(0.95);
}

@keyframes mascotaFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.mascota-bubble {
  position: fixed;
  bottom: 130px;
  right: var(--space-lg);
  max-width: 220px;
  background: var(--bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  z-index: var(--z-mascota);
  opacity: 0;
  transform: translateY(10px) scale(0.9);
  transition: all var(--transition-normal);
  pointer-events: none;
}

.mascota-bubble.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ========= NAVEGACIÓN / HEADER ========= */
.nav-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--acento-tema, var(--text-medium));
  text-decoration: none;
  cursor: pointer;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  border: none;
  background: transparent;
}

.nav-back:hover {
  background: rgba(0,0,0,0.06);
  color: var(--text-dark);
}

/* ========= PANTALLA MÓDULO (WRAPPER) ========= */
.module-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.module-header {
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.module-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--text-dark);
}

.module-content {
  flex: 1;
  padding: 0 var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

/* ========= ESTRELLAS / BADGE ========= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
}

.badge-success {
  background: rgba(107, 203, 119, 0.15);
  color: #2E9B3E;
}

.badge-warning {
  background: rgba(255, 179, 71, 0.15);
  color: #B87300;
}

/* ========= ANIMACIONES DE FEEDBACK ========= */
@keyframes bounceIn {
  0% { transform: scale(0) rotate(-10deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(5deg); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px) rotate(-2deg); }
  40% { transform: translateX(8px) rotate(2deg); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

@keyframes popIn {
  0% { transform: scale(0.5); opacity: 0; }
  70% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.anim-bounce-in { animation: bounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
.anim-shake { animation: shake 0.4s ease forwards; }
.anim-pop-in { animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
.anim-fade-up { animation: fadeSlideUp 0.4s ease forwards; }

/* ========= FEEDBACK OVERLAY ========= */
.feedback-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.feedback-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.feedback-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  width: 90%;
  animation: bounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feedback-emoji {
  font-size: 5rem;
  display: block;
  margin-bottom: var(--space-md);
}

.feedback-text {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

/* ========= RESPONSIVE ========= */
@media (max-width: 768px) {
  .module-header {
    padding: var(--space-md);
  }

  .module-content {
    padding: 0 var(--space-md) var(--space-md);
  }

  .mascota {
    width: 70px;
    height: 70px;
    bottom: var(--space-md);
    right: var(--space-md);
    font-size: 34px;
  }

  .mascota-bubble {
    bottom: 110px;
    right: var(--space-md);
    max-width: 180px;
  }
}