/**
 * Smart Brand Builder Pro — Frontend Stylesheet
 *
 * Namespaced with `.sbbp-` to avoid conflicts with WooCommerce themes.
 * Responsive breakpoints: 1200px desktop / 768px tablet / 480px mobile
 */

/* ============================================================
   CSS Custom Properties (layout tokens only)
   Product card design is intentionally left to the active theme.
   ============================================================ */
:root {
  --sbbp-cols: 4;
  --sbbp-gap: 1.25rem;
  --sbbp-accent: #0071ce;
  --sbbp-accent-hover: #005fa3;
  --sbbp-text: #1a1a1a;
  --sbbp-text-muted: #666;
  --sbbp-border: #e8e8e8;
  --sbbp-tab-active: #0071ce;
  --sbbp-transition: 0.22s ease;
}

/* ============================================================
   Grid wrapper
   The inner <ul class="products"> and column widths are rendered
   by WooCommerce (woocommerce_product_loop_start) using the theme's
   own styles. We only need the outer wrapper for data attributes
   and Load More targeting.
   ============================================================ */
.sbbp-grid-wrapper {
  width: 100%;
  box-sizing: border-box;
}

/* Let the product cards be fully transparent so they blend with whatever
   background colour the page/section has. The theme's own border, shadow,
   and typography styles still apply via content-product.php. */
.sbbp-grid-wrapper ul.products li.product {
  background-color: transparent !important;
}


/* ============================================================
   Load More
   ============================================================ */
.sbbp-load-more-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 2rem;
}

.sbbp-load-more {
  min-width: 160px;
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--sbbp-accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--sbbp-transition);
}

.sbbp-load-more:hover  { background: var(--sbbp-accent-hover); }
.sbbp-load-more:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.sbbp-load-more__spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--sbbp-border);
  border-top-color: var(--sbbp-accent);
  border-radius: 50%;
  display: none;
  animation: sbbp-spin 0.7s linear infinite;
}

.sbbp-load-more-wrap.is-loading .sbbp-load-more__spinner { display: block; }
.sbbp-load-more-wrap.is-loading .sbbp-load-more { opacity: 0.5; pointer-events: none; }

/* ============================================================
   Category Sections
   ============================================================ */
.sbbp-brand-sections {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.sbbp-brand-section { width: 100%; }

.sbbp-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--sbbp-border);
}

.sbbp-section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--sbbp-text);
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.sbbp-section-count {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--sbbp-text-muted);
}

.sbbp-section-view-all {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sbbp-accent);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--sbbp-transition);
}

.sbbp-section-view-all:hover { color: var(--sbbp-accent-hover); }

/* ============================================================
   Category Tabs
   ============================================================ */
.sbbp-tabs-wrapper { width: 100%; }

.sbbp-tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 2px solid var(--sbbp-border);
  margin-bottom: 1.5rem;
  padding-bottom: 0;
}

.sbbp-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sbbp-text-muted);
  cursor: pointer;
  transition: color var(--sbbp-transition), border-color var(--sbbp-transition);
  border-radius: 4px 4px 0 0;
  outline: none;
}

.sbbp-tab-btn:hover {
  color: var(--sbbp-accent);
}

.sbbp-tab-btn--active {
  color: var(--sbbp-tab-active);
  border-bottom-color: var(--sbbp-tab-active);
  background: rgba(0, 113, 206, 0.05);
}

.sbbp-tab-count {
  font-size: 0.75rem;
  font-weight: 400;
  margin-left: 3px;
  color: inherit;
  opacity: 0.7;
}

.sbbp-tab-panel { display: none; }
.sbbp-tab-panel--active { display: block; }

/* Fade-in animation for tab panels */
.sbbp-tab-panel--active {
  animation: sbbp-fadeIn 0.2s ease forwards;
}

/* Tab loading overlay */
.sbbp-tabs-loading {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 2rem;
  color: var(--sbbp-text-muted);
}

.sbbp-tabs-loading[aria-busy="true"] { display: flex; }

/* Skeleton cards (pre-load placeholder) */
.sbbp-tab-skeleton {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sbbp-gap);
}

.sbbp-skeleton-card {
  aspect-ratio: 3/4;
  border-radius: var(--sbbp-card-radius);
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: sbbp-shimmer 1.4s infinite;
}

/* ============================================================
   Spinner
   ============================================================ */
.sbbp-spinner {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 2px solid var(--sbbp-border);
  border-top-color: var(--sbbp-accent);
  border-radius: 50%;
  animation: sbbp-spin 0.7s linear infinite;
  vertical-align: middle;
}

/* ============================================================
   No Products
   ============================================================ */
.sbbp-no-products {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--sbbp-text-muted);
}

.sbbp-no-products__icon svg {
  stroke: #ccc;
  display: block;
  margin: 0 auto;
}

.sbbp-no-products__message {
  font-size: 1rem;
  margin: 0;
}

.sbbp-no-products__cta {
  background: var(--sbbp-accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: background var(--sbbp-transition);
}

.sbbp-no-products__cta:hover { background: var(--sbbp-accent-hover); color: #fff; }

/* ============================================================
   Elementor widget placeholder (editor view)
   ============================================================ */
.sbbp-elementor-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 2rem;
  background: #f7f8fc;
  border: 2px dashed #c0c8d8;
  border-radius: 6px;
  color: #666;
  font-size: 0.9rem;
  text-align: center;
}

.sbbp-elementor-placeholder .dashicons {
  font-size: 2rem;
  width: 2rem;
  height: 2rem;
  color: #0071ce;
}

/* ============================================================
   Keyframes
   ============================================================ */
@keyframes sbbp-spin {
  to { transform: rotate(360deg); }
}

@keyframes sbbp-fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes sbbp-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}