/*
==========================================================
  COURSES PAGE REDESIGN — Kompeten.co.id
  Design Direction: Refined Premium Education
  Clean · Elegant · Modern · SEO-Friendly
==========================================================
*/

/* ── Google Fonts ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ── Design Tokens ────────────────────────────────────── */
:root {
  --c-primary:      #004F44;
  --c-primary-lt:   #00695c;
  --c-accent:       #FFA729;
  --c-accent-lt:    #FFD08A;
  --c-bg:           #F5F7F6;
  --c-bg-card:      #FFFFFF;
  --c-text:         #1C2B29;
  --c-text-muted:   #6B7B79;
  --c-border:       #E4ECEB;
  --c-tag-bg:       #E8F2F0;
  --c-tag-text:     #004F44;

  --radius-card:    16px;
  --radius-pill:    999px;
  --radius-sm:      8px;

  --shadow-card:    0 2px 16px rgba(0,79,68,.07), 0 1px 3px rgba(0,0,0,.04);
  --shadow-hover:   0 12px 40px rgba(0,79,68,.14), 0 2px 8px rgba(0,0,0,.06);
  --shadow-sidebar: 0 2px 20px rgba(0,79,68,.08);

  --transition:     all .28s cubic-bezier(.4,0,.2,1);

  --font-display:   'DM Serif Display', Georgia, serif;
  --font-body:      'DM Sans', -apple-system, sans-serif;
}

/* ══════════════════════════════════════════════════════
   SECTION WRAPPER
══════════════════════════════════════════════════════ */
.kp-courses-section {
  background: var(--c-bg);
  padding: 60px 0 80px;
}

/* ══════════════════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════════════════ */
.kp-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.kp-sidebar-panel {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-sidebar);
}

.kp-sidebar-panel .kp-panel-title {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.kp-sidebar-panel .kp-panel-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--c-border);
}

/* Search widget */
.kp-search-widget {
  position: relative;
}

.kp-search-widget input {
  width: 100%;
  padding: 12px 48px 12px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-bg);
  transition: var(--transition);
  outline: none;
}

.kp-search-widget input:focus {
  border-color: var(--c-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0,79,68,.08);
}

.kp-search-widget button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: var(--c-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  cursor: pointer;
}

.kp-search-widget button:hover {
  background: var(--c-accent);
  color: var(--c-text);
}

/* Filter items */
.kp-filter-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kp-filter-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.kp-filter-item:hover {
  background: var(--c-tag-bg);
}

.kp-filter-item label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  flex: 1;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text);
  margin: 0;
}

.kp-filter-item .count {
  font-size: 12px;
  color: var(--c-text-muted);
  font-weight: 500;
  background: var(--c-bg);
  border-radius: var(--radius-pill);
  padding: 1px 8px;
  min-width: 28px;
  text-align: center;
}

/* Custom checkbox */
.kp-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--c-border);
  border-radius: 5px;
  flex-shrink: 0;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.kp-checkbox:checked {
  background: var(--c-primary);
  border-color: var(--c-primary);
}

.kp-checkbox:checked::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0px;
  width: 6px;
  height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

/* Toggle switches */
.kp-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text);
  cursor: pointer;
}

.kp-toggle-switch {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.kp-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.kp-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--c-border);
  border-radius: var(--radius-pill);
  transition: var(--transition);
  cursor: pointer;
}

.kp-toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}

.kp-toggle-switch input:checked + .kp-toggle-slider {
  background: var(--c-primary);
}

.kp-toggle-switch input:checked + .kp-toggle-slider::before {
  transform: translateX(18px);
}

/* Star rating filter */
.kp-star-row {
  display: flex;
  gap: 2px;
  font-size: 13px;
}

.kp-star-row .fa-star { color: var(--c-accent); }
.kp-star-row .fa-star.empty { color: #D4DBD9; }

/* ══════════════════════════════════════════════════════
   TOOLBAR
══════════════════════════════════════════════════════ */
.kp-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 12px 16px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.kp-toolbar-divider {
  flex: 1;
}

.kp-toggle-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--c-border);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-muted);
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  user-select: none;
}

.kp-toggle-pill input { display: none; }

.kp-toggle-pill:has(input:checked),
.kp-toggle-pill.is-active {
  background: var(--c-tag-bg);
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.kp-sort-select {
  appearance: none;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 7px 32px 7px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text);
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7B79' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center, var(--c-bg-card);
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}

.kp-sort-select:focus {
  border-color: var(--c-primary);
}

.kp-view-toggle {
  display: flex;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.kp-view-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--c-text-muted);
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
}

.kp-view-btn:hover,
.kp-view-btn.active {
  background: var(--c-primary);
  color: #fff;
}

/* ══════════════════════════════════════════════════════
   COURSE CARD — GRID VIEW
══════════════════════════════════════════════════════ */
.kp-course-card {
  background: var(--c-bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.kp-course-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(0,79,68,.15);
}

/* Image area */
.kp-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  display: block;
}

.kp-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}

.kp-course-card:hover .kp-card-image img {
  transform: scale(1.05);
}

/* Category badge */
.kp-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: rgba(255,255,255,.95);
  color: var(--c-primary);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
}

/* Free badge */
.kp-card-free-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  background: var(--c-accent);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  z-index: 2;
}

/* Diskon — pojok kanan atas kartu (mirip Udemy: ribbon sale ungu + angka besar) */
.kp-card-discount-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  left: auto;
  z-index: 3;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding: 6px 10px 8px;
  border-radius: 4px;
  background: #5624d0;
  color: #fff;
  font-family: var(--font-body);
  line-height: 1;
  box-shadow: 0 2px 10px rgba(86, 36, 208, 0.45);
}

.kp-card-discount-tag .kp-discount-pct {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.kp-card-discount-tag .kp-discount-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.92;
}

/* Gratis + diskon: hindari tabrakan kanan — pindahkan badge gratis ke kiri */
.kp-card-image:has(.kp-card-discount-tag) .kp-card-free-tag {
  left: 12px;
  right: auto;
}

.kp-card-image:has(.kp-card-badge):has(.kp-card-discount-tag) .kp-card-free-tag {
  top: 42px;
}

.kp-card-image:has(.kp-card-discount-tag):not(:has(.kp-card-badge)) .kp-card-free-tag {
  top: 12px;
}

/* Card body */
.kp-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 14px;
}

/* Instructor row */
.kp-card-instructor {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kp-card-instructor img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--c-border);
}

.kp-card-instructor-name {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kp-card-instructor-in {
  font-size: 12px;
  color: var(--c-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Title */
.kp-card-title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  margin: 0;
}

.kp-card-title:hover {
  color: var(--c-primary);
}

/* Stats row */
.kp-card-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.kp-card-price {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
}

.kp-card-price.is-free {
  color: #16a34a;
}

.kp-card-price.has-discount {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.kp-card-price.has-discount .kp-price-strike {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-muted, #94a3b8);
}

.kp-card-price.has-discount .kp-price-strike del {
  text-decoration: line-through;
}

.kp-card-price.has-discount .kp-price-current {
  font-size: 18px;
  font-weight: 800;
  color: var(--c-primary);
}

.kp-card-price.has-discount .kp-price-save {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(220, 38, 38, .1);
  color: #b91c1c;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
}

.kp-card-duration {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-muted);
}

.kp-card-duration i {
  font-size: 12px;
  color: var(--c-accent);
}

/* CTA button on card */
.kp-card-cta {
  display: block;
  text-align: center;
  padding: 10px 0;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: var(--transition);
  letter-spacing: .02em;
}

.kp-card-cta:hover {
  background: var(--c-accent);
  color: var(--c-text);
  transform: none;
}

/* ── LIST VIEW ──────────────────────────────────────── */
#coursesContainer.list-view .col-xl-4,
#coursesContainer.list-view .col-lg-6,
#coursesContainer.list-view .col-md-6 {
  width: 100%;
  flex: 0 0 100%;
  max-width: 100%;
}

#coursesContainer.list-view .kp-course-card {
  flex-direction: row;
  align-items: stretch;
  height: auto;
}

#coursesContainer.list-view .kp-card-image {
  aspect-ratio: unset;
  width: 240px;
  min-width: 240px;
  flex-shrink: 0;
}

#coursesContainer.list-view .kp-card-image img {
  height: 100%;
}

#coursesContainer.list-view .kp-card-body {
  padding: 20px 24px;
  flex-direction: row;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

#coursesContainer.list-view .kp-card-title {
  -webkit-line-clamp: 1;
  flex: 1;
  min-width: 200px;
}

#coursesContainer.list-view .kp-card-instructor { display: none; }

#coursesContainer.list-view .kp-card-footer {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
  flex-shrink: 0;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

/* ══════════════════════════════════════════════════════
   EMPTY STATE
══════════════════════════════════════════════════════ */
.kp-empty-state {
  text-align: center;
  padding: 80px 24px;
  background: var(--c-bg-card);
  border: 1px dashed var(--c-border);
  border-radius: var(--radius-card);
}

.kp-empty-state i {
  font-size: 48px;
  color: var(--c-border);
  margin-bottom: 16px;
  display: block;
}

.kp-empty-state p {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--c-text-muted);
}

/* ══════════════════════════════════════════════════════
   LOADING STATE
══════════════════════════════════════════════════════ */
.kp-loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 24px;
  width: 100%;
}

.kp-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--c-border);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: kp-spin .7s linear infinite;
}

@keyframes kp-spin {
  to { transform: rotate(360deg); }
}

/* ══════════════════════════════════════════════════════
   PAGINATION
══════════════════════════════════════════════════════ */
.kp-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 48px;
}

.kp-pagination a,
.kp-pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--c-border);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-muted);
  text-decoration: none;
  transition: var(--transition);
  background: var(--c-bg-card);
}

.kp-pagination a:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  background: var(--c-tag-bg);
}

.kp-pagination li.active span,
.kp-pagination li.active a {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
}

.kp-pagination .disabled span {
  opacity: .35;
  cursor: not-allowed;
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */
@media (max-width: 991px) {
  .kp-sidebar {
    position: static;
    margin-bottom: 32px;
  }

  #coursesContainer.list-view .kp-card-image {
    width: 180px;
    min-width: 180px;
  }
}

@media (max-width: 767px) {
  .kp-courses-section { padding: 40px 0 60px; }

  .kp-toolbar { padding: 10px 12px; gap: 6px; }

  #coursesContainer.list-view .kp-course-card {
    flex-direction: column;
  }

  #coursesContainer.list-view .kp-card-image {
    width: 100%;
    min-width: unset;
    aspect-ratio: 16/9;
  }

  #coursesContainer.list-view .kp-card-body {
    flex-direction: column;
    align-items: flex-start;
  }

  #coursesContainer.list-view .kp-card-footer {
    flex-direction: row;
    align-items: center;
    border-top: 1px solid var(--c-border);
    padding-top: 14px;
    margin-top: 8px;
    width: 100%;
  }
}

/* ══════════════════════════════════════════════════════
   FADE-IN ANIMATION (replaces WOW)
══════════════════════════════════════════════════════ */
@keyframes kp-fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kp-animate {
  animation: kp-fadeUp .5s ease both;
}

.kp-animate-delay-1 { animation-delay: .1s; }
.kp-animate-delay-2 { animation-delay: .2s; }
.kp-animate-delay-3 { animation-delay: .3s; }
.kp-animate-delay-4 { animation-delay: .4s; }
.kp-animate-delay-5 { animation-delay: .5s; }
.kp-animate-delay-6 { animation-delay: .6s; }

/* ══════════════════════════════════════════════════════
   SIDEBAR MOBILE OVERLAY (< 992px)
══════════════════════════════════════════════════════ */
.kp-sidebar-toggle-btn {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-pill);
  background: var(--c-bg-card);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  transition: var(--transition);
}

.kp-sidebar-toggle-btn:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

@media (max-width: 991px) {
  .kp-sidebar-toggle-btn { display: flex; }
}