/* Estilos para el header y footer */
.header {
    display: flex;
    position: fixed;
    justify-content: space-between;
    align-items: center;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 30px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid #334155;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}
.logo {
    color: #e2e8f0;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.logo:hover {
    color: #38bdf8;
}
.header-botones {
  display: flex;
  align-items: center;
  gap: 15px;
}
.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 45px;
  height: 45px;
  padding: 10px 12px;
  border: 2px solid #475569;
  border-radius: 5px;
  background: #334155;
  color: #e2e8f0;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}
.control-btn:hover {
  background: #475569;
  border-color: #38bdf8;
  color: #38bdf8;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
/* Contenedor principal para ajustar el contenido con header */
.main-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: 80px;
  min-height: calc(100vh - 160px);
}
/* Footer */
.footer {
  display: flex;
  position: fixed;
  justify-content: space-between;
  align-items: center;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 15px 30px;
  box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.3);
  border-top: 1px solid #334155;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}
.copyright {
  color: #94a3b8;
  font-size: 0.9rem;
  font-weight: 400;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.footer-link {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}
.footer-link:hover {
  color: #38bdf8;
  transform: translateY(-1px);
}
.footer-link i {
  font-size: 1rem;
}
/* Responsive design */
@media (max-width: 768px) {
  .header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 12px 20px;
  }

  .logo {
    font-size: 1.5rem;
    margin-bottom: 5px;
  }

  .header-botones {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
  }
  
  .control-btn {
    min-width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px 20px;
    text-align: center;
  }

  .footer-links {
    gap: 15px;
  }

  .main-container {
    margin-top: 70px;
    min-height: calc(100vh - 140px);
  }
}
@media (max-width: 480px) {
  .header {
    display: flex;
    gap: 6px;
    padding: 10px 8px;
  }
  .logo {
    font-size: 1.1rem;
  }
  .header-botones {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .control-btn {
    min-width: 35px;
    height: 35px;
    font-size: 0.9rem;
  }
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
}