.tienda-categorias {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  background: var(--card-bg);
  padding: 1rem 0 0.5rem 0;
  border-bottom: 1px solid #e0e0e0;
  margin-bottom: 0.5rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.categoria-btn {
  background: none;
  border: none;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.05em;
  padding: 0.5em 1.2em;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.categoria-btn.active,
.categoria-btn:hover {
  background: linear-gradient(90deg, #646cff 60%, #535bf2 100%);
  color: #fff;
}

.tienda-buscador {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1.2rem 0 0.5rem 0;
  gap: 0.5rem;
}

.tienda-buscador input {
  padding: 0.7em 1.2em;
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  font-size: 1em;
  background: var(--background-color);
  color: var(--text-color);
  outline: none;
  transition: border 0.2s;
  width: 260px;
}

.tienda-buscador i {
  color: var(--primary-color);
  font-size: 1.2em;
}

.tienda-buscador input:focus {
  border: 1.5px solid #646cff;
}

/* Productos */
.tienda-productos {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin: 2rem 0;
}

.producto-card {
  background: var(--card-bg, #181c24);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
  width: 300px;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 440px;
  position: relative;
  opacity: 0;
  transform: translateY(40px);
}

.producto-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s, transform 0.6s;
}

.producto-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 32px rgba(100,108,255,0.15);
}

.producto-card img {
  width: 100%;
  max-width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1rem;
  background: #23272f;
  flex-shrink: 0;
}

.producto-card h2 {
  font-size: 1.2rem;
  color: #646cff;
  margin: 0.5rem 0 0.3rem 0;
  min-height: 2.5em;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.producto-card p {
  color: var(--descripcion-producto);
  font-size: 1rem;
  margin-bottom: 1.2rem;
  min-height: 3.5em;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.btn-comprar {
  display: inline-block;
  background: linear-gradient(90deg, #646cff 60%, #535bf2 100%);
  color: #fff;
  font-weight: bold;
  padding: 0.7em 1.5em;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(100,108,255,0.10);
  letter-spacing: 0.5px;
  margin-top: auto;
}

.btn-comprar:hover {
  background: linear-gradient(90deg, #535bf2 60%, #646cff 100%);
  box-shadow: 0 4px 16px rgba(100,108,255,0.18);
}

/* Responsive */
@media (max-width: 900px) {
  .tienda-productos {
    gap: 1.2rem;
  }
  .producto-card {
    width: 45vw;
    min-width: 220px;
    max-width: 320px;
    min-height: 440px;
  }
}

@media (max-width: 600px) {
  .tienda-categorias {
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.95em;
  }
  .tienda-buscador input {
    width: 100%;
    max-width: 220px;
  }
  .tienda-productos {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  .producto-card {
    width: 90vw;
    max-width: 350px;
    min-height: 440px;
  }
}

/* Modo oscuro */
[data-theme="dark"] .tienda-categorias {
  background: #181c24;
  border-bottom: 1px solid #23293a;
}
[data-theme="dark"] .categoria-btn {
  color: #60a5fa;
}
[data-theme="dark"] .categoria-btn.active,
[data-theme="dark"] .categoria-btn:hover {
  background: linear-gradient(90deg, #23293a 60%, #646cff 100%);
  color: #fff;
}
[data-theme="dark"] .tienda-buscador input {
  background: #181c24;
  color: #e5e7eb;
  border: 1px solid #535bf2;
}
[data-theme="dark"] .producto-card {
  background: #181c24;
}