/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; padding: 0 24px; gap: 24px;
}
.nav-logo {
  font-size: 15px; font-weight: 700; color: var(--text-primary);
  letter-spacing: -0.02em; text-decoration: none; white-space: nowrap;
}
.nav-links { display: flex; gap: 20px; flex: 1; }
.nav-link {
  font-size: 14px; color: var(--text-secondary);
  text-decoration: none; cursor: pointer; background: none; border: none;
  transition: color var(--duration-fast);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-actions { display: flex; gap: 8px; margin-left: auto; align-items: center; }
.nav-avatar {
  width: 28px; height: 28px; border-radius: var(--radius-full);
  border: 1px solid var(--border-default); object-fit: cover;
}
.nav-spacer { height: var(--nav-h); }

/* ── PAGE SYSTEM ── */
.page { display: none; }
.page.active { display: block; }

/* ── CATALOG ── */
.catalog-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  min-height: calc(100vh - var(--nav-h));
}

.sidebar {
  border-right: 1px solid var(--border-subtle);
  padding: 24px 20px;
  display: flex; flex-direction: column; gap: 20px;
  position: sticky; top: var(--nav-h);
  height: calc(100vh - var(--nav-h)); overflow-y: auto;
}
.sidebar-section { display: flex; flex-direction: column; gap: 10px; }
.sidebar-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-tertiary); }

.filter-chip {
  padding: 6px 12px; border-radius: var(--radius-full);
  border: 1px solid var(--border-default); background: transparent;
  color: var(--text-secondary); font-size: 13px; cursor: pointer;
  transition: all var(--duration-fast);
}
.filter-chip:hover { border-color: var(--border-strong); color: var(--text-primary); }
.filter-chip.active { background: var(--text-primary); color: #000; border-color: transparent; }

.catalog-main { padding: 24px; display: flex; flex-direction: column; gap: 20px; }

.catalog-toolbar {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
}
.catalog-toolbar .input-icon-wrap { flex: 1; min-width: 200px; }
.catalog-count { font-size: 13px; color: var(--text-tertiary); white-space: nowrap; }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.catalog-empty {
  grid-column: 1/-1; padding: 60px 0;
  text-align: center; color: var(--text-tertiary);
  display: flex; flex-direction: column; gap: 8px; align-items: center;
}
.catalog-empty-icon { font-size: 32px; }

.pagination {
  display: flex; align-items: center; justify-content: center; gap: 8px; padding: 8px 0;
}
.page-btn {
  width: 32px; height: 32px; border-radius: var(--radius-md);
  background: transparent; border: 1px solid var(--border-default);
  color: var(--text-secondary); cursor: pointer; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--duration-fast);
}
.page-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.page-btn.active { background: var(--text-primary); color: #000; border-color: transparent; }
.page-btn[disabled] { opacity: 0.3; cursor: not-allowed; }

/* ── PRODUCT DETAIL ── */
#producto { padding: 32px 24px; max-width: 1100px; margin: 0 auto; }

.product-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.product-img-wrap {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
}
.product-img-wrap img { width: 100%; height: 100%; object-fit: contain; padding: 32px; }

.product-info { display: flex; flex-direction: column; gap: 20px; }
.product-brand { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-tertiary); }
.product-name  { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
.product-price { font-family: var(--font-mono); font-size: 36px; font-weight: 600; letter-spacing: -0.02em; }
.product-desc  { font-size: 13px; color: var(--text-secondary); line-height: 1.7; white-space: pre-line; }
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.product-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-tertiary); cursor: pointer;
  background: none; border: none; margin-bottom: 8px;
  transition: color var(--duration-fast);
}
.product-back:hover { color: var(--text-primary); }

/* ── MIS PEDIDOS ── */
#mis-pedidos { padding: 32px 24px; max-width: 760px; margin: 0 auto; }
.pedidos-header { margin-bottom: 24px; }
.pedidos-header h1 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.pedidos-header p  { font-size: 14px; color: var(--text-secondary); margin-top: 6px; }

.pedido-row {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 16px 20px;
  display: flex; align-items: center; gap: 16px;
  transition: border-color var(--duration-fast);
}
.pedido-row:hover { border-color: var(--border-default); }
.pedido-info { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.pedido-id   { font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); }
.pedido-nombre { font-size: 14px; font-weight: 500; }
.pedido-fecha  { font-size: 12px; color: var(--text-tertiary); }
.pedido-precio { font-family: var(--font-mono); font-size: 15px; font-weight: 600; }
.pedidos-list  { display: flex; flex-direction: column; gap: 10px; }

/* ── MODAL PEDIDO ── */
.pedido-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 12px; font-weight: 500; color: var(--text-secondary); }
.form-row .input { padding: 9px 12px; }

.pedido-resumen {
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.resumen-nombre { font-size: 14px; font-weight: 500; line-height: 1.4; }
.resumen-precio { font-family: var(--font-mono); font-size: 22px; font-weight: 600; margin-top: 4px; }

/* ── SKELETON CARDS ── */
.card-skeleton .card-img  { height: 165px; }
.card-skeleton .card-body { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.skel-line { height: 13px; border-radius: 4px; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static; height: auto;
    border-right: none; border-bottom: 1px solid var(--border-subtle);
    padding: 16px 20px;
  }
  .sidebar-section { flex-direction: row; flex-wrap: wrap; gap: 8px; align-items: center; }
  .sidebar-label { width: 100%; }
  .product-detail { grid-template-columns: 1fr; gap: 24px; }
  .product-price { font-size: 28px; }
}

@media (max-width: 600px) {
  .nav { padding: 0 16px; gap: 12px; }
  .nav-links { display: none; }
  .catalog-main { padding: 16px; }
  .catalog-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  #producto, #mis-pedidos { padding: 16px; }
}