/* ============================================================
   Categories & Vendors Pages — Open Air Hubs
   Matches styling patterns from homepage.css / about-us.css
   ============================================================ */

/* --- Page Hero Banner --- */
.oah-page-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--oah-blue-banner);
  padding: 60px 0;
}
.oah-page-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: rgba(255, 255, 255, 0.06);
  border-top-left-radius: 30% 50%;
  border-bottom-left-radius: 30% 50%;
  z-index: 0;
}
.oah-page-hero .container {
  position: relative;
  z-index: 1;
}
.oah-page-hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
  font-family: Helvetica, Arial, sans-serif;
}
.oah-page-hero p {
  font-size: 1.4rem;
  line-height: 1.5;
  color: #fff;
  opacity: 0.9;
  margin-bottom: 0;
  max-width: 600px;
}
.oah-page-hero .breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0 0 12px 0;
  font-size: 0.9rem;
}
.oah-page-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}
.oah-page-hero .breadcrumb a:hover {
  color: #fff;
  text-decoration: none;
}
.oah-page-hero .breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.9);
}
.oah-page-hero .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.5);
}

/* --- Category Cards (all-categories & subcategory pages) --- */
.oah-categories-section {
  padding: 60px 0;
  background: #fff;
}
.oah-categories-section .section-intro {
  text-align: center;
  margin-bottom: 40px;
}
.oah-categories-section .section-intro h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--oah-dark);
  margin-bottom: 8px;
  font-family: Helvetica, Arial, sans-serif;
}
.oah-categories-section .section-intro p {
  font-size: 1.2rem;
  color: var(--oah-gray);
  max-width: 600px;
  margin: 0 auto;
}
.oah-category-card {
  display: flex;
  flex-direction: column;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
  background: #fff;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.oah-category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  color: inherit;
}
.oah-category-card .card-img {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.oah-category-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.oah-category-card .card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.oah-category-card .card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--oah-dark);
  margin-bottom: 8px;
  font-family: Helvetica, Arial, sans-serif;
}
.oah-category-card .card-body p {
  font-size: 0.9rem;
  color: var(--oah-gray);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --- Vendors / Professionals Listing --- */
.oah-vendors-section {
  padding: 40px 0 60px;
  background: #fff;
}
.oah-vendors-section .section-intro {
  margin-bottom: 30px;
}
.oah-vendors-section .section-intro h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--oah-dark);
  margin-bottom: 4px;
  font-family: Helvetica, Arial, sans-serif;
}
.oah-vendors-section .section-intro p {
  font-size: 1.1rem;
  color: var(--oah-gray);
  margin-bottom: 0;
}

/* Filter sidebar */
.oah-filter-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  padding: 28px;
  position: sticky;
  top: 100px;
}
.oah-filter-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--oah-dark);
  margin-bottom: 20px;
  font-family: Helvetica, Arial, sans-serif;
}
.oah-filter-card .filter-group {
  margin-bottom: 20px;
}
.oah-filter-card .filter-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--oah-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  display: block;
}
.oah-filter-card .form-control {
  border-radius: 8px;
  border: 1px solid #ddd;
  padding: 10px 14px;
  font-size: 0.95rem;
}
.oah-filter-card .form-control:focus {
  border-color: var(--oah-blue-banner);
  box-shadow: 0 0 0 2px rgba(26, 110, 155, 0.1);
}
.oah-filter-card .btn-filter {
  background: linear-gradient(to right, #3ea8f3, #0173be);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  width: 100%;
  transition: background 0.2s;
}
.oah-filter-card .btn-filter:hover {
  background: linear-gradient(to right, #0173be, #3ea8f3);
}

/* Category tree in filter */
.oah-filter-card .cat-tree {
  list-style: none;
  padding: 0;
  margin: 0;
}
.oah-filter-card .cat-tree li {
  border-bottom: 1px solid #f0f0f0;
  padding: 8px 0;
}
.oah-filter-card .cat-tree li:last-child {
  border-bottom: none;
}
.oah-filter-card .cat-tree .cat-parent {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--oah-dark);
  font-size: 0.95rem;
}
.oah-filter-card .cat-tree .cat-parent i {
  margin-left: auto;
  opacity: 0.3;
  transition: transform 0.2s;
}
.oah-filter-card .cat-tree .cat-parent.collapsed i {
  transform: rotate(-90deg);
}
.oah-filter-card .cat-tree .cat-children {
  list-style: none;
  padding: 4px 0 0 16px;
  margin: 0;
}
.oah-filter-card .cat-tree .cat-children li {
  border-bottom: none;
  padding: 4px 0;
}
.oah-filter-card .cat-tree .cat-children label {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--oah-dark);
  margin-bottom: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}
.oah-filter-card .cat-tree .cat-children li.active label {
  font-weight: 600;
  color: var(--oah-blue-banner);
}

/* Professional cards */
.oah-professional-card {
  display: flex;
  flex-direction: column;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
  background: #fff;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.oah-professional-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  color: inherit;
}
.oah-professional-card .card-img {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.oah-professional-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.oah-professional-card .card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--oah-blue-banner);
  color: #fff;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}
.oah-professional-card .card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.oah-professional-card .card-body h5 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--oah-dark);
  margin-bottom: 4px;
}
.oah-professional-card .card-body .card-category {
  font-size: 0.9rem;
  color: var(--oah-blue-banner);
  font-weight: 600;
  margin-bottom: 2px;
}
.oah-professional-card .card-body .card-subcategory {
  font-size: 0.85rem;
  color: var(--oah-gray);
  margin-bottom: 8px;
}
.oah-professional-card .card-body .card-location {
  font-size: 0.85rem;
  color: var(--oah-gray);
  margin-bottom: 8px;
}
.oah-professional-card .card-body .card-languages {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.oah-professional-card .card-body .lang-badge {
  background: var(--oah-light-bg);
  color: var(--oah-dark);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Empty state */
.oah-empty-state {
  text-align: center;
  padding: 60px 20px;
}
.oah-empty-state i {
  font-size: 3rem;
  color: #ccc;
  margin-bottom: 16px;
}
.oah-empty-state h4 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--oah-dark);
  margin-bottom: 8px;
}
.oah-empty-state p {
  font-size: 1.1rem;
  color: var(--oah-gray);
  margin-bottom: 16px;
}
.oah-empty-suggestions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.oah-empty-suggestions span {
  font-size: 0.9rem;
  color: var(--oah-gray);
  font-weight: 600;
}
.oah-empty-suggestions a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--oah-light-bg);
  color: var(--oah-blue-banner);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}
.oah-empty-suggestions a:hover {
  background: var(--oah-blue-banner);
  color: #fff;
  text-decoration: none;
}

/* Practice number on cards */
.oah-professional-card .card-body .card-practice {
  font-size: 0.8rem;
  color: var(--oah-gray);
  margin-bottom: 4px;
  display: block;
}
.oah-professional-card .card-body .card-practice i {
  margin-right: 2px;
}

/* Loading overlay */
.oah-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: 8px;
}

/* --- Responsive --- */
@media (max-width: 991.98px) {
  .oah-filter-card {
    display: none;
    position: static;
    margin-bottom: 24px;
  }
  .oah-filter-card.filter-open {
    display: block;
    animation: slideDown 0.2s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  #filterToggle {
    border-radius: 30px;
    font-weight: 600;
  }
  #filterToggle.active {
    background: var(--oah-blue-banner);
    color: #fff;
  }
}
@media (min-width: 992px) {
  #filterToggle {
    display: none !important;
  }
}

@media (max-width: 767.98px) {
  .oah-page-hero {
    padding: 40px 0;
  }
  .oah-page-hero h1 {
    font-size: 1.8rem;
  }
  .oah-page-hero p {
    font-size: 1.1rem;
  }
  .oah-categories-section {
    padding: 40px 0;
  }
  .oah-category-card {
    padding: 24px 16px;
  }
  .oah-category-card img {
    width: 48px;
    height: 48px;
  }
  .oah-category-card h3 {
    font-size: 1.2rem;
  }
  .oah-professional-card .card-img {
    height: 160px;
  }
  .oah-empty-suggestions {
    flex-direction: column;
  }
}

@media (min-width: 768px) and (max-width: 1023.98px) {
  .oah-page-hero h1 {
    font-size: 2.2rem;
  }
  .oah-page-hero p {
    font-size: 1.2rem;
  }
}