/* ========================================
   Formato Vinilo - Diseño FV DISCOS
   ======================================== */

:root {
  --bordo: #9B2D3F;
  --bordo-oscuro: #7A2230;
  --blanco: #FFFFFF;
  --negro: #1A1A1A;
  --gris-fondo: #FAFAFA;
  --gris-img: #F0F0F0;
  --gris-linea: #E5E5E5;
  --gris-texto: #777777;
  --gris-oscuro: #333333;
}

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

html { -webkit-font-smoothing: antialiased; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--gris-oscuro);
  background: var(--blanco);
  line-height: 1.5;
}

/* ========== HEADER ========== */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-linea);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2rem;
}

.header-logo {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border: 1px solid var(--gris-linea);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--blanco);
}

.header-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.header-search {
  flex: 1;
  position: relative;
  max-width: 560px;
}

.header-search input {
  width: 100%;
  padding: 0.85rem 2.75rem 0.85rem 1.1rem;
  border: 1px solid var(--gris-linea);
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--gris-oscuro);
}

.header-search input::placeholder { color: #AAA; }
.header-search input:focus { outline: none; border-color: var(--bordo); }

.header-search .search-icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gris-texto);
  pointer-events: none;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-shrink: 0;
}

.header-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--gris-oscuro);
  font-size: 0.9rem;
  background: none;
  border: none;
}

.header-control .label-small {
  font-size: 0.72rem;
  color: var(--gris-texto);
  display: block;
  line-height: 1.1;
}

.header-control .label-main {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.header-control svg { width: 18px; height: 18px; }

.carrito-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gris-oscuro);
  padding: 0;
}

.carrito-btn svg { width: 26px; height: 26px; }

.carrito-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  background: var(--bordo);
  color: var(--blanco);
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
}

.menu-hamburguesa {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gris-oscuro);
}
.menu-hamburguesa svg { width: 26px; height: 26px; }

/* Search mobile (oculto en desktop) */
.mobile-search { display: none; }

/* ========== LAYOUT ========== */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  min-height: 60vh;
}

.container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2.5rem;
}

/* ========== SIDEBAR ========== */
.sidebar { padding-right: 0.5rem; }

.sidebar-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.5rem;
}

.sidebar-top h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--negro);
}

.limpiar-filtros {
  background: none;
  border: none;
  color: var(--bordo);
  font-size: 0.82rem;
  text-decoration: underline;
  cursor: pointer;
}

.filter-section {
  border-top: 1px solid var(--gris-linea);
  padding: 1.1rem 0;
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.filter-header h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.7px;
  color: var(--negro);
}

.filter-header .chevron {
  color: var(--gris-texto);
  font-size: 0.7rem;
  transition: transform 0.2s;
}

.filter-section.collapsed .chevron { transform: rotate(-90deg); }
.filter-section.collapsed .filter-body { display: none; }

.filter-body { margin-top: 0.9rem; }

.filter-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.32rem 0;
  cursor: pointer;
}

.filter-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--bordo);
  flex-shrink: 0;
}

.filter-item label {
  flex: 1;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--gris-oscuro);
}

.filter-count { color: var(--gris-texto); font-size: 0.82rem; }

.ver-mas {
  background: none;
  border: none;
  color: var(--bordo);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0.4rem 0 0 1.6rem;
}

/* Precio */
#priceRange {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--gris-linea);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  margin: 0.5rem 0;
}
#priceRange::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bordo);
  cursor: pointer;
}
#priceRange::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bordo);
  border: none;
  cursor: pointer;
}

.price-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--gris-texto);
  margin-bottom: 1rem;
}

.aplicar-btn {
  width: 100%;
  padding: 0.7rem;
  background: none;
  border: 1px solid var(--bordo);
  color: var(--bordo);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.aplicar-btn:hover { background: var(--bordo); color: var(--blanco); }

/* ========== CATALOGO ========== */
.catalog-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.75rem;
}

.catalog-head h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 0.25rem;
}

.catalog-count { font-size: 0.85rem; color: var(--gris-texto); }

.view-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--gris-texto);
}

.view-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gris-linea);
  padding: 2px;
}
.view-btn.active { color: var(--bordo); }
.view-btn svg { width: 20px; height: 20px; display: block; }

/* Grid */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem 1.5rem;
}

/* ========== CARD ========== */
.product-card {
  display: flex;
  flex-direction: column;
}

.product-image {
  width: 100%;
  aspect-ratio: 1;
  background: var(--gris-img);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  margin-bottom: 0.85rem;
}
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-image .placeholder { font-size: 2.5rem; opacity: 0.3; }

.product-type {
  font-size: 0.68rem;
  color: var(--gris-texto);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.product-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--negro);
  line-height: 1.25;
  margin-bottom: 0.2rem;
}

.product-artist {
  font-size: 0.85rem;
  color: var(--gris-oscuro);
  margin-bottom: 0.2rem;
}

.product-state {
  font-size: 0.8rem;
  color: var(--gris-texto);
  margin-bottom: 0.7rem;
}

.product-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

.product-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--negro);
}

.product-actions { display: flex; gap: 0.4rem; }

.btn-accion {
  border: 1px solid var(--gris-linea);
  background: var(--blanco);
  border-radius: 5px;
  padding: 0.45rem 0.55rem;
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--gris-oscuro);
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-accion:hover { border-color: var(--bordo); color: var(--bordo); }

.btn-reservar {
  border-color: var(--bordo);
  background: var(--bordo);
  color: var(--blanco);
}
.btn-reservar:hover { background: var(--bordo-oscuro); border-color: var(--bordo-oscuro); color: var(--blanco); }

/* ========== PAGINACION ========== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2.5rem;
}

.pagination button {
  min-width: 34px;
  height: 34px;
  border: none;
  background: none;
  color: var(--gris-oscuro);
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.88rem;
}
.pagination button.active {
  background: var(--bordo);
  color: var(--blanco);
  font-weight: 700;
}
.pagination button:disabled { color: var(--gris-linea); cursor: default; }

/* ========== FOOTER ========== */
footer {
  background: var(--bordo);
  color: var(--blanco);
  margin-top: 3rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 2.25rem 2rem 1.5rem;
}

.footer-col { display: flex; gap: 0.75rem; align-items: flex-start; }
.footer-col .ic { flex-shrink: 0; opacity: 0.9; }
.footer-col .ic svg { width: 22px; height: 22px; }
.footer-col h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 0.25rem; }
.footer-col p, .footer-col a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  line-height: 1.5;
}
.footer-col a:hover { text-decoration: underline; }

.footer-bottom {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.8);
  border-top: 1px solid rgba(255,255,255,0.2);
  padding: 1rem;
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  text-decoration: none;
}
.whatsapp-float svg { width: 30px; height: 30px; fill: white; }

/* ========== MOBILE NAV (oculto en desktop) ========== */
.mobile-nav { display: none; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1100px) {
  .catalog-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .container { grid-template-columns: 200px 1fr; gap: 1.5rem; }
}

@media (max-width: 768px) {
  /* Header mobile */
  .header-content {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.85rem 1rem;
  }
  .menu-hamburguesa { display: block; order: 1; }
  .header-logo { order: 2; width: 60px; height: 60px; margin: 0 auto; }
  .header-controls { order: 3; margin-left: auto; gap: 1rem; }
  .header-control { display: none; } /* filtrar/ordenar pasan a la barra de abajo */
  .header-search { display: none; }  /* search desktop oculto */

  .mobile-search {
    display: block;
    order: 4;
    flex-basis: 100%;
    position: relative;
  }
  .mobile-search input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 1px solid var(--gris-linea);
    border-radius: 6px;
    font-size: 0.9rem;
  }
  .mobile-search input:focus { outline: none; border-color: var(--bordo); }
  .mobile-search .search-icon {
    position: absolute; right: 1rem; top: 50%;
    transform: translateY(-50%); color: var(--gris-texto);
  }

  /* Barra Filtrar / Ordenar mobile */
  .mobile-actions {
    display: flex;
    order: 5;
    flex-basis: 100%;
    gap: 0.75rem;
    margin-top: 0.25rem;
  }
  .mobile-actions button {
    flex: 1;
    padding: 0.7rem;
    border: 1px solid var(--gris-linea);
    background: var(--blanco);
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--gris-oscuro);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
  }

  /* Layout: una sola columna */
  main { padding: 1.25rem 1rem 5rem; }
  .container { grid-template-columns: 1fr; }

  /* Sidebar como panel deslizable */
  .sidebar {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 82%;
    max-width: 320px;
    height: 100vh;
    background: var(--blanco);
    z-index: 400;
    padding: 1.5rem;
    overflow-y: auto;
    box-shadow: 2px 0 16px rgba(0,0,0,0.15);
  }
  .sidebar.open { display: block; }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 399;
  }
  .sidebar-overlay.open { display: block; }

  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 1rem;
  }

  /* Footer se vuelve barra inferior fija */
  footer { display: none; }

  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--bordo);
    z-index: 250;
    padding: 0.6rem 0;
  }
  .mobile-nav a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    color: var(--blanco);
    text-decoration: none;
    font-size: 0.68rem;
  }
  .mobile-nav a svg { width: 22px; height: 22px; }

  .whatsapp-float { bottom: 5rem; }
}

@media (max-width: 420px) {
  .product-title { font-size: 0.88rem; }
  .product-actions { flex-direction: column; }
  .btn-accion { width: 100%; text-align: center; }
}