/* ============================================================
   CATEGORY PAGE — enhanced styles
   ============================================================ */

/* ── Design tokens ── */
:root {
  --cat-primary:   #17506b;
  --cat-accent:    #ff7043;
  --cat-success:   #28a745;
  --cat-warning:   #ffc107;
  --cat-surface:   #ffffff;
  --cat-bg:        #f4f7fa;
  --cat-border:    #e4eaf0;
  --cat-text:      #1a2a36;
  --cat-muted:     #6b7a8d;
  --cat-radius:    14px;
  --cat-shadow-sm: 0 2px 8px rgba(23, 80, 107, .08);
  --cat-shadow-md: 0 6px 24px rgba(23, 80, 107, .12);
  --cat-shadow-lg: 0 16px 48px rgba(23, 80, 107, .18);
  --cat-transition: all .3s cubic-bezier(.4, 0, .2, 1);
}

/* ============================================================
   BANNER
   ============================================================ */
.category-banner {
  min-height: 420px;
  position: relative;
  overflow: hidden;
}

.category-banner-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 1;
}

.banner-overlay-gradient {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to bottom,
    rgba(10, 30, 50, .45) 0%,
    rgba(10, 30, 50, .70) 60%,
    rgba(10, 30, 50, .90) 100%
  );
}

.category-banner > .container {
  position: relative;
  z-index: 3;
}

/* Glassmorphism pill */
.banner-glass-pill {
  display: inline-flex;
  align-items: center;
  padding: .5rem 1.4rem;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: .9rem;
  font-weight: 500;
  color: #fff;
}

.hover-opacity-full { opacity: .75; transition: opacity .2s; }
.hover-opacity-full:hover { opacity: 1; }
.opacity-40 { opacity: .4; }

/* Banner title */
.banner-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .3);
  margin-bottom: .75rem;
}

.banner-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, .85);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* Stats bar */
.banner-stats-bar {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 50px;
  padding: .75rem 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.banner-stat {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: #fff;
}

.banner-stat-num {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
}

.banner-stat-lbl {
  font-size: .78rem;
  opacity: .8;
  font-weight: 400;
}

.banner-stat-sep {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, .3);
}

/* Entry animations */
.banner-animate-in {
  animation: bannerFadeUp .6s ease both;
  animation-delay: var(--delay, 0s);
}

@keyframes bannerFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .category-banner { min-height: 300px; }
  .banner-stats-bar { gap: 1rem; padding: .6rem 1.2rem; }
  .banner-stat-num { font-size: 1rem; }
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb-bar {
  background: var(--cat-bg);
  border-bottom: 1px solid var(--cat-border);
}

.breadcrumb-bar .breadcrumb-item a {
  color: var(--cat-primary);
  font-weight: 500;
  transition: color .2s;
}

.breadcrumb-bar .breadcrumb-item a:hover { color: var(--cat-accent); }

/* ============================================================
   ACTIVE FILTER CHIPS
   ============================================================ */
.active-filters-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  padding: .75rem 1rem;
  background: #fff8f5;
  border: 1px solid rgba(255, 112, 67, .2);
  border-radius: var(--cat-radius);
}

.active-filters-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--cat-accent);
  white-space: nowrap;
}

.active-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  flex: 1;
}

.active-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .25rem .7rem;
  background: var(--cat-accent);
  color: #fff;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
}

.chip-remove {
  background: none;
  border: none;
  color: rgba(255, 255, 255, .85);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
  transition: color .15s;
}

.chip-remove:hover { color: #fff; }

.chip-clear-all {
  background: none;
  border: none;
  color: var(--cat-accent);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  padding: 0 .5rem;
  text-decoration: underline;
  transition: opacity .2s;
}

.chip-clear-all:hover { opacity: .75; }

/* ============================================================
   FILTER SIDEBAR
   ============================================================ */
.filter-sidebar-sticky {
  position: sticky;
  top: 90px;
}

.filter-panel {
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  overflow: hidden;
  box-shadow: var(--cat-shadow-sm);
}

/* Panel header */
.filter-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--cat-border);
  background: var(--cat-bg);
}

.filter-panel-title {
  font-weight: 700;
  font-size: .95rem;
  color: var(--cat-text);
}

.filter-clear-top-btn {
  background: none;
  border: none;
  color: var(--cat-accent);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  transition: opacity .2s;
}

.filter-clear-top-btn:hover { opacity: .7; }

/* Filter groups */
.filter-group {
  border-bottom: 1px solid var(--cat-border);
}

.filter-group:last-of-type { border-bottom: none; }

.filter-group-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: .85rem 1.2rem;
  background: none;
  border: none;
  font-weight: 600;
  font-size: .88rem;
  color: var(--cat-text);
  cursor: pointer;
  transition: background .2s;
}

.filter-group-toggle:hover { background: var(--cat-bg); }

.toggle-icon {
  font-size: .75rem;
  color: var(--cat-muted);
  transition: transform .3s ease;
}

.filter-group-toggle[aria-expanded="true"] .toggle-icon,
.filter-group-toggle:not(.collapsed) .toggle-icon {
  transform: rotate(180deg);
}

.filter-group-body {
  padding: .5rem 1.2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .1rem;
}

/* Filter option rows */
.filter-option {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .55rem .6rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s;
  min-height: 44px;
  user-select: none;
}

.filter-option:hover { background: var(--cat-bg); }

.filter-option-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.filter-custom-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--cat-border);
  border-radius: 4px;
  background: #fff;
  transition: var(--cat-transition);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.filter-option-input:checked ~ .filter-custom-check {
  background: var(--cat-primary);
  border-color: var(--cat-primary);
}

.filter-option-input:checked ~ .filter-custom-check::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(40deg) translateY(-1px);
}

.filter-option-label {
  flex: 1;
  font-size: .88rem;
  color: var(--cat-text);
}

.filter-option-input:checked ~ .filter-custom-check + .filter-option-label {
  font-weight: 600;
  color: var(--cat-primary);
}

/* Price tag badge */
.price-tag {
  font-size: .7rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 50px;
}

.free-tag {
  background: rgba(40, 167, 69, .12);
  color: var(--cat-success);
}

/* Rating rows */
.filter-rating-row { align-items: center; }

.filter-stars { display: flex; gap: 2px; }

.filter-stars .fas.fa-star { color: var(--cat-warning); font-size: .85rem; }
.filter-stars .far.fa-star { color: #d0d7de; font-size: .85rem; }

.filter-rating-label {
  font-size: .82rem;
  color: var(--cat-muted);
  white-space: nowrap;
}

/* Active state full row highlight */
.filter-option:has(.filter-option-input:checked) {
  background: rgba(23, 80, 107, .05);
}

/* Filter action buttons */
.filter-actions {
  padding: 1rem 1.2rem;
  border-top: 1px solid var(--cat-border);
  background: var(--cat-bg);
}

.filter-btn-clear,
.filter-btn-apply {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .6rem 1rem;
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--cat-transition);
}

.filter-btn-clear {
  background: #fff;
  border: 1px solid var(--cat-border);
  color: var(--cat-muted);
}

.filter-btn-clear:hover {
  border-color: var(--cat-accent);
  color: var(--cat-accent);
}

.filter-btn-apply {
  background: var(--cat-primary);
  color: #fff;
}

.filter-btn-apply:hover { background: #0f3c53; }

/* Mobile offcanvas */
.mobile-filter-offcanvas .offcanvas-title {
  font-weight: 700;
  color: var(--cat-primary);
}

.mobile-filter-offcanvas .filter-panel {
  border: none;
  box-shadow: none;
}

.mobile-filter-trigger .btn {
  height: 48px;
  border-radius: 12px;
  font-weight: 600;
  transition: var(--cat-transition);
}

.mobile-filter-trigger .btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--cat-shadow-md);
}

/* ============================================================
   VIEW TOGGLE
   ============================================================ */
.view-toggle-group {
  display: inline-flex;
  background: var(--cat-bg);
  border-radius: 10px;
  padding: 3px;
  border: 1px solid var(--cat-border);
  gap: 3px;
}

.view-toggle-group .btn {
  background: transparent;
  border: none;
  color: var(--cat-muted);
  padding: 8px 14px;
  border-radius: 7px;
  font-size: .95rem;
  transition: var(--cat-transition);
  display: flex;
  align-items: center;
}

.view-toggle-group .btn:hover {
  color: var(--cat-primary);
  background: rgba(23, 80, 107, .08);
}

.view-toggle-group .btn.active {
  background: var(--cat-primary);
  color: #fff;
  box-shadow: 0 3px 10px rgba(23, 80, 107, .3);
}

.view-toggle-group .btn:focus { outline: none; box-shadow: none; }

/* ============================================================
   COURSE CARDS
   ============================================================ */
.course-card {
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--cat-transition);
  box-shadow: var(--cat-shadow-sm);
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--cat-shadow-lg);
  border-color: rgba(23, 80, 107, .15);
}

/* Image wrap */
.course-card-img-wrap {
  position: relative;
  height: 185px;
  overflow: hidden;
  background: #e9ecef;
  flex-shrink: 0;
}

.course-card-img-wrap > a {
  display: block;
  width: 100%;
  height: 100%;
}

.course-card-img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
  transition: transform .45s ease;
}

.course-card:hover .course-card-img { transform: scale(1.06); }

/* Image hover overlay */
.course-img-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 30, 50, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .3s ease;
}

.course-card:hover .course-img-overlay { opacity: 1; }

.overlay-view-btn {
  display: inline-flex;
  align-items: center;
  padding: .55rem 1.2rem;
  background: #fff;
  color: var(--cat-primary);
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(8px);
  transition: transform .3s ease;
  white-space: nowrap;
}

.course-card:hover .overlay-view-btn { transform: translateY(0); }
.overlay-view-btn:hover { background: var(--cat-accent); color: #fff; }

/* Featured badge — inset-inline-start keeps it at the "start" edge in both LTR and RTL */
.cc-badge {
  position: absolute;
  top: .6rem;
  inset-inline-start: .6rem;
  z-index: 4;
  font-size: .7rem;
  font-weight: 700;
  padding: .3rem .7rem;
  border-radius: 50px;
  letter-spacing: .02em;
}

.cc-badge-featured {
  background: linear-gradient(135deg, #f6a623, #f77f00);
  color: #fff;
  box-shadow: 0 2px 8px rgba(247, 127, 0, .35);
}

/* Wishlist button — inset-inline-end keeps it at the "end" edge in both LTR and RTL */
.cc-wishlist-btn {
  position: absolute;
  top: .6rem;
  inset-inline-end: .6rem;
  z-index: 4;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--cat-transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .15);
}

.cc-wishlist-btn:hover {
  background: #fff;
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(220, 53, 69, .3);
}

.cc-wishlist-btn i { font-size: .85rem; color: #b0b8c1; transition: color .2s; }
.cc-wishlist-btn i.text-danger,
.cc-wishlist-btn:hover i { color: #dc3545; }

/* Price badges */
.cc-price-wrap {
  position: absolute;
  bottom: .6rem;
  left: .6rem;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: .35rem;
}

.cc-price {
  display: inline-block;
  padding: .25rem .65rem;
  border-radius: 6px;
  font-size: .72rem;
  font-weight: 700;
  line-height: 1;
}

.cc-price-free {
  background: var(--cat-success);
  color: #fff;
  box-shadow: 0 2px 6px rgba(40, 167, 69, .35);
}

.cc-price-paid {
  background: var(--cat-primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(23, 80, 107, .35);
}

.cc-price-original {
  background: rgba(0, 0, 0, .55);
  color: rgba(255, 255, 255, .7);
  text-decoration: line-through;
  font-size: .65rem;
}

/* Card body */
.course-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1rem 1.1rem;
}

/* Title */
.cc-title {
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: .6rem;
  color: var(--cat-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}

.cc-title a {
  color: inherit;
  text-decoration: none;
  transition: color .2s;
}

.cc-title a:hover { color: var(--cat-primary); }

/* Rating */
.cc-rating {
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: .6rem;
  min-height: 22px;
}

.cc-stars { display: flex; gap: 2px; }
.cc-stars .fas { color: var(--cat-warning); font-size: .78rem; }
.cc-stars .far { color: #d0d7de; font-size: .78rem; }

.cc-rating-val {
  font-size: .78rem;
  font-weight: 700;
  color: var(--cat-muted);
}

.cc-new-badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .65rem;
  background: rgba(23, 80, 107, .08);
  color: var(--cat-primary);
  border-radius: 50px;
  font-size: .72rem;
  font-weight: 700;
}

/* Meta */
.cc-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  padding: .55rem 0;
  border-top: 1px solid var(--cat-border);
  border-bottom: 1px solid var(--cat-border);
  margin-bottom: .85rem;
}

.cc-meta-item {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--cat-muted);
}

.cc-meta-item i { font-size: .72rem; }

/* Actions */
.cc-actions {
  display: flex;
  gap: .5rem;
  margin-top: auto;
}

.cc-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .55rem .75rem;
  border-radius: 8px;
  font-size: .8rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--cat-transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 40px;
}

.cc-btn span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cc-btn-primary {
  background: var(--cat-primary);
  color: #fff;
  box-shadow: 0 3px 10px rgba(23, 80, 107, .25);
}

.cc-btn-primary:hover {
  background: #0f3c53;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 5px 16px rgba(23, 80, 107, .35);
}

.cc-btn-outline {
  background: transparent;
  color: var(--cat-primary);
  border: 1.5px solid var(--cat-primary);
}

.cc-btn-outline:hover {
  background: var(--cat-primary);
  color: #fff;
  transform: translateY(-1px);
}

/* ── LIST VIEW ── */
#coursesList.list-view-active .course-card {
  flex-direction: row;
  max-height: 160px;
}

#coursesList.list-view-active .course-card-img-wrap {
  width: 220px;
  height: 160px;
  flex-shrink: 0;
  border-radius: 0;
}

#coursesList.list-view-active .course-card-body {
  padding: .85rem 1rem;
}

#coursesList.list-view-active .cc-title {
  font-size: .9rem;
  min-height: auto;
  -webkit-line-clamp: 1;
}

#coursesList.list-view-active .cc-actions {
  flex-wrap: nowrap;
}

#coursesList.list-view-active .cc-btn {
  font-size: .75rem;
  padding: .4rem .6rem;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-courses-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 5rem 2rem;
  background: var(--cat-surface);
  border: 2px dashed var(--cat-border);
  border-radius: var(--cat-radius);
  text-align: center;
}

.empty-icon-wrap {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--cat-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.empty-icon {
  font-size: 2.5rem;
  color: var(--cat-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
  .filter-sidebar-sticky { position: static; }

  #coursesList.list-view-active .course-card {
    flex-direction: column;
    max-height: none;
  }

  #coursesList.list-view-active .course-card-img-wrap {
    width: 100%;
    height: 185px;
  }
}

@media (max-width: 576px) {
  .banner-stats-bar { gap: .75rem; padding: .5rem 1rem; }
  .course-card-img-wrap { height: 160px; }
  .cc-title { font-size: .88rem; }
  .cc-btn { font-size: .75rem; padding: .45rem .6rem; }
}