/* ============================================
   NAVBAR.CSS — Barra de navegación
   ============================================ */

/* ── Navbar principal ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 200;
}

/* ── Logo ── */
.logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.logo span {
  color: var(--color-primary);
}

/* ── Links de navegación ── */
.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

/* ── Botones de autenticación ── */
.nav-auth {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.btn-login {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--border-radius);
  border: 0.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-login:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-registro {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--border-radius);
  border: none;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-registro:hover {
  background: var(--color-primary-dark);
}

/* ── Botón hamburguesa — solo visible en móvil ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: transparent;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Animación X al abrir */
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Responsive móvil ── */
@media (max-width: 768px) {
  nav {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 0;
  }

  .nav-hamburger {
    display: flex;
  }

  /* Menú desplegable */
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    width: 100%;
    padding: 8px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 12px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 10px 4px;
    font-size: 14px;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }

  /* Auth oculta en móvil hasta abrir menú */
  .nav-auth {
    display: none;
  }

  .nav-auth.open {
    display: flex;
    width: 100%;
    padding: 12px 0 4px;
    border-top: 1px solid var(--color-border);
  }
}