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

body.welcome-body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: #0f172a;
  color: #f8fafc;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2vw;
}

/* TARJETA PRINCIPAL MÁS GRANDE EN ESCRITORIO */
.welcome-card {
  background-color: #1e293b;
  border: 1px solid #334155;
  border-radius: 24px;
  padding: clamp(2.5rem, 4vw, 4rem);
  width: min(90%, 920px); /* Ampliado para mayor presencia en PC */
  text-align: center;
  box-shadow: 0 25px 30px -5px rgba(0, 0, 0, 0.45);
}

.avatar-container {
  margin-bottom: 1.25rem;
}

.welcome-avatar {
  width: clamp(95px, 8vw, 130px);
  height: clamp(95px, 8vw, 130px);
  border-radius: 50%;
  object-fit: cover;
  border: none;
}

.welcome-name {
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.welcome-title {
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  color: #3b82f6;
  font-weight: 600;
  margin-bottom: 2.25rem;
}

/* CAJA DE MENSAJE FIJA (EVITA QUE SE ENCOJA AL CAMBIAR DE TEXTO) */
.welcome-message-box {
  background-color: #0f172a;
  border: 1px solid #334155;
  border-radius: 16px;
  padding: 1.75rem clamp(1.2rem, 2.5vw, 2.5rem);
  margin-bottom: 2.25rem;
  
  /* Altura fija calculada para que quepan holgadamente los 4 idiomas sin "bailar" */
  height: 135px; 
  
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* SLIDER DE TEXTO */
.msg-slider {
  width: 100%;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
  transform: translateX(0);
  opacity: 1;
}

.msg-slider.slide-out {
  transform: translateX(-40px);
  opacity: 0;
}

.msg-slider.slide-prepare {
  transition: none !important;
  transform: translateX(40px);
  opacity: 0;
}

#dynamic-text {
  font-size: clamp(1rem, 1.15vw, 1.15rem);
  color: #cbd5e1;
  line-height: 1.5;
}

.msg-ask {
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
  font-weight: 600;
  color: #f8fafc;
  margin-top: 0.4rem;
}

/* GRID DE BANDERAS */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.75rem, 1.2vw, 1.5rem);
  margin-bottom: 2.25rem;
}

.lang-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background-color: #0f172a;
  border: 1px solid #334155;
  padding: clamp(0.95rem, 1.1vw, 1.25rem);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.2s ease-in-out;
  text-align: left;
}

.lang-card:hover,
.lang-card.active {
  border-color: #3b82f6;
  transform: translateY(-3px);
  background-color: #1e293b;
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.2);
}

.lang-flag-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 50%;
  flex-shrink: 0;
}

.lang-info {
  display: flex;
  flex-direction: column;
}

.lang-name {
  color: #f1f5f9;
  font-size: 0.98rem;
  font-weight: 600;
}

.lang-sub {
  color: #64748b;
  font-size: 0.8rem;
}

.welcome-footer {
  font-size: 0.95rem;
  color: #64748b;
  border-top: 1px solid #334155;
  padding-top: 1.5rem;
}

.modal-back-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-size: 0.95rem;
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.modal-back-btn:hover {
  text-decoration: underline;
  background: none;
  border-color: transparent;
}

/* AJUSTES RESPONSIVE PARA MÓVILES */
@media (max-width: 600px) {
  body.welcome-body {
    padding: 1rem 0.5rem;
  }

  .welcome-card {
    padding: 1.5rem 1rem;
    width: 95%;
  }

  .avatar-container {
    margin-bottom: 0.75rem;
  }

  .welcome-title {
    margin-bottom: 1.25rem;
  }

  .welcome-message-box {
    height: 140px; /* Reducido para celular */
    padding: 1rem 0.75rem;
    margin-bottom: 1.25rem;
  }

  /* FORZAR GRID DE 2x2 EN MÓVIL */
  .lang-grid {
    grid-template-columns: repeat(2, 1fr) !important; 
    gap: 0.6rem;
    margin-bottom: 1.25rem;
  }

  .lang-card {
    padding: 0.75rem 0.5rem;
    gap: 0.5rem;
  }

  .lang-flag-img {
    width: 26px;
    height: 26px;
  }

  .lang-name {
    font-size: 0.85rem;
  }

  .lang-sub {
    font-size: 0.7rem;
  }

  .welcome-footer {
    padding-top: 1rem;
  }
}