/* ---------- HEADER LAYOUT ---------- */
header {
  background: var(--bg-primario);
  color: var(--txt-cuarto);
  border-bottom: var(--sombra-chica);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
              0 2px 4px -2px rgba(0, 0, 0, 0.06);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px;
  width: 100%;
  box-sizing: border-box;
}

/* LOGO IZQUIERDA */
.logo2 img {
  max-width: 140px;
  height: auto;
}

/* MENÚ CENTRADO */
.nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-center ul {
  list-style: none;
  display: flex;
  gap: 1.5em;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-center li a {
  text-decoration: none;
  color: var(--txt-cuarto);
  font-weight: bolder;
  transition: color 0.3s ease;
}

.nav-center li a:hover {
  color: var(--txt-terciario);
}

.nav-center li a.active {
  color: #502626;
  border-bottom: 2px solid #4a1a1a;
}

/* USUARIO / SALIR DERECHA */
.user-section {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-shrink: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--txt-cuarto);
}

.logout-btn, .login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.logout-btn {
  background: var(--bg-quinto);
  color: var(--txt-primario);
}

.login-btn {
  background: var(--bg-terciario);
  color: var(--txt-primario);
}

/* ---------- MENÚ MÓVIL ---------- */
.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--txt-cuarto);
}

/* Estilos responsivos */
@media (max-width: 768px) {
  .header-container {
    justify-content: space-between;
    position: relative;
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: block;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--txt-cuarto);
  }

  /* Ocultamos menú y usuario */
  .nav-center,
  .user-section {
    display: none;
    width: 100%;
  }

  /* Cuando está activo el menú */
  .header-container.active .nav-center,
  .header-container.active .user-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-primario);
    padding: 15px 0;
    animation: slideDown 0.3s ease;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Quitamos la posición absoluta del centro */
  .nav-center {
    position: static;
    transform: none;
  }

  .nav-center ul {
    flex-direction: column;
    gap: 1em;
    padding: 0;
    margin: 0;
  }

  .nav-center li a {
    font-size: 1rem;
    color: var(--txt-cuarto);
  }

  .user-section {
    flex-direction: column;
    gap: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .logout-btn,
  .login-btn {
    width: 80%;
    justify-content: center;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}