/* ── K2 Learning Library — Scoped CSS ────────────────────────────
   Every selector is prefixed with k2vl- and nested under #k2-library
   to avoid collisions with Webflow's global styles.
   ─────────────────────────────────────────────────────────────── */

/* ── Design tokens ───────────────────────────────────────────── */

#k2-library {
  --k2vl-green: #43ce8b;
  --k2vl-green-dark: #2fb073;
  --k2vl-green-light: #e8f9f0;
  --k2vl-ink: #1a2b32;
  --k2vl-slate: #667085;
  --k2vl-line: #e6ebed;
  --k2vl-radius-sm: 0.5rem;
  --k2vl-radius-md: 0.75rem;
  --k2vl-radius-lg: 1rem;
  --k2vl-radius-full: 9999px;
  --k2vl-font: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;

  font-family: var(--k2vl-font);
  color: var(--k2vl-ink);
  box-sizing: border-box;
}

#k2-library *, #k2-library *::before, #k2-library *::after {
  box-sizing: inherit;
}

/* ── Search ──────────────────────────────────────────────────── */

#k2-library .k2vl-search-wrap {
  position: relative;
  max-width: 42rem;
  margin-bottom: 1.25rem;
}

#k2-library .k2vl-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.25rem;
  height: 1.25rem;
  color: var(--k2vl-slate);
  pointer-events: none;
}

#k2-library .k2vl-search-input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 3rem;
  border-radius: var(--k2vl-radius-md);
  border: 1px solid var(--k2vl-line);
  background: #fff;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--k2vl-ink);
  font-family: var(--k2vl-font);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

#k2-library .k2vl-search-input:focus {
  border-color: var(--k2vl-green);
  box-shadow: 0 0 0 3px rgba(67, 206, 139, 0.25);
}

#k2-library .k2vl-search-input::placeholder {
  color: var(--k2vl-slate);
}

/* ── Filters ─────────────────────────────────────────────────── */

#k2-library .k2vl-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem 2rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--k2vl-line);
}

#k2-library .k2vl-filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#k2-library .k2vl-filter-group--role {
  min-width: 14rem;
  flex-shrink: 0;
}

#k2-library .k2vl-filter-divider {
  display: none;
}

@media (min-width: 768px) {
  #k2-library .k2vl-filters {
    flex-wrap: nowrap;
    align-items: start;
  }
  #k2-library .k2vl-filter-divider {
    display: block;
    width: 1px;
    align-self: stretch;
    background: var(--k2vl-line);
  }
}

#k2-library .k2vl-filter-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--k2vl-slate);
  text-align: left;
}

#k2-library .k2vl-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ── Chips ───────────────────────────────────────────────────── */

#k2-library .k2vl-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--k2vl-font);
  line-height: 1.25;
  border-radius: var(--k2vl-radius-full);
  border: 1px solid var(--k2vl-line);
  background: #fff;
  color: var(--k2vl-ink);
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
  white-space: nowrap;
}

#k2-library .k2vl-chip:hover {
  border-color: var(--k2vl-green);
}

#k2-library .k2vl-chip--active {
  background-color: var(--k2vl-green);
  border-color: var(--k2vl-green);
  color: #fff;
}

#k2-library .k2vl-chip--active:hover {
  background-color: var(--k2vl-green-dark);
  border-color: var(--k2vl-green-dark);
}

/* ── Results bar ─────────────────────────────────────────────── */

#k2-library .k2vl-results-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

#k2-library .k2vl-results-count {
  font-size: 0.875rem;
  color: var(--k2vl-slate);
}

#k2-library .k2vl-results-sort {
  font-size: 0.75rem;
  color: var(--k2vl-slate);
}

#k2-library .k2vl-results-sort strong {
  color: var(--k2vl-ink);
  font-weight: 600;
}

/* ── Grid ────────────────────────────────────────────────────── */

#k2-library .k2vl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  #k2-library .k2vl-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  #k2-library .k2vl-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── Card ────────────────────────────────────────────────────── */

#k2-library .k2vl-card {
  background: #fff;
  border-radius: var(--k2vl-radius-lg);
  border: 1px solid var(--k2vl-line);
  overflow: hidden;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
  outline: none;
}

#k2-library .k2vl-card:hover,
#k2-library .k2vl-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(26, 43, 50, 0.18);
}

#k2-library .k2vl-card:focus-visible {
  outline: 2px solid var(--k2vl-green);
  outline-offset: 2px;
}

#k2-library .k2vl-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
}

#k2-library .k2vl-card-play-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#k2-library .k2vl-card-play {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color: var(--k2vl-ink);
}

#k2-library .k2vl-card-play svg {
  margin-left: 2px;
}

#k2-library .k2vl-card-duration {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: var(--k2vl-radius-sm);
}

#k2-library .k2vl-card-body {
  padding: 1rem;
}

#k2-library .k2vl-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.5rem;
}

#k2-library .k2vl-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.125rem 0.5rem;
  border-radius: var(--k2vl-radius-full);
}

#k2-library .k2vl-tag--role {
  background: var(--k2vl-green-light);
  color: var(--k2vl-green-dark);
}

#k2-library .k2vl-tag--topic {
  background: #f3f4f6;
  color: var(--k2vl-slate);
}

#k2-library .k2vl-card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--k2vl-ink);
  margin: 0;
}

#k2-library .k2vl-card-desc {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--k2vl-slate);
  margin: 0.375rem 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Empty state ─────────────────────────────────────────────── */

#k2-library .k2vl-empty {
  text-align: center;
  padding: 4rem 1rem;
}

#k2-library .k2vl-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

#k2-library .k2vl-empty-title {
  font-weight: 600;
  color: var(--k2vl-ink);
}

#k2-library .k2vl-empty-desc {
  font-size: 0.875rem;
  color: var(--k2vl-slate);
  margin-top: 0.25rem;
}

#k2-library .k2vl-empty-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--k2vl-font);
  border: 1px solid var(--k2vl-line);
  border-radius: var(--k2vl-radius-md);
  background: #fff;
  color: var(--k2vl-ink);
  cursor: pointer;
  transition: border-color 150ms ease;
}

#k2-library .k2vl-empty-btn:hover {
  border-color: var(--k2vl-green);
}

/* ── Loading ─────────────────────────────────────────────────── */

#k2-library .k2vl-loading {
  text-align: center;
  padding: 4rem 1rem;
  font-size: 0.875rem;
  color: var(--k2vl-slate);
}

@keyframes k2vl-shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

#k2-library .k2vl-skeleton-card {
  border-radius: var(--k2vl-radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--k2vl-line);
}

#k2-library .k2vl-skeleton-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(90deg, #eef1f3 25%, #e2e7ea 37%, #eef1f3 63%);
  background-size: 800px 100%;
  animation: k2vl-shimmer 1.6s ease-in-out infinite;
}

#k2-library .k2vl-skeleton-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#k2-library .k2vl-skeleton-tags {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 0.125rem;
}

#k2-library .k2vl-skeleton-tag {
  width: 3.5rem;
  height: 1.375rem;
  border-radius: 9999px;
  background: linear-gradient(90deg, #eef1f3 25%, #e2e7ea 37%, #eef1f3 63%);
  background-size: 800px 100%;
  animation: k2vl-shimmer 1.6s ease-in-out infinite;
}

#k2-library .k2vl-skeleton-tag--wide {
  width: 5.5rem;
  animation-delay: 0.05s;
}

#k2-library .k2vl-skeleton-line {
  height: 0.75rem;
  border-radius: 4px;
  background: linear-gradient(90deg, #eef1f3 25%, #e2e7ea 37%, #eef1f3 63%);
  background-size: 800px 100%;
  animation: k2vl-shimmer 1.6s ease-in-out infinite;
}

#k2-library .k2vl-skeleton-line--title {
  width: 75%;
  height: 1rem;
  margin-top: 0.125rem;
}

#k2-library .k2vl-skeleton-line--sub {
  width: 100%;
  animation-delay: 0.1s;
}

#k2-library .k2vl-skeleton-line--desc {
  width: 90%;
  animation-delay: 0.15s;
}

#k2-library .k2vl-skeleton-line--short {
  width: 40%;
  animation-delay: 0.2s;
}

/* ── Modal ───────────────────────────────────────────────────── */

#k2-library .k2vl-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

#k2-library .k2vl-modal {
  background: #fff;
  border-radius: var(--k2vl-radius-lg);
  width: 100%;
  max-width: 56rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

#k2-library .k2vl-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.25rem;
  border-bottom: 1px solid var(--k2vl-line);
  gap: 1rem;
}

#k2-library .k2vl-modal-header-text {
  min-width: 0;
}

#k2-library .k2vl-modal-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--k2vl-ink);
}

#k2-library .k2vl-modal-meta {
  font-size: 0.75rem;
  color: var(--k2vl-slate);
  margin-top: 0.125rem;
}

#k2-library .k2vl-modal-close {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--k2vl-radius-sm);
  border: 1px solid var(--k2vl-line);
  background: #fff;
  cursor: pointer;
  color: var(--k2vl-ink);
  transition: background-color 150ms ease;
}

#k2-library .k2vl-modal-close:hover {
  background: #f9fafb;
}

#k2-library .k2vl-modal-player {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
}

#k2-library .k2vl-modal-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

#k2-library .k2vl-modal-desc {
  padding: 1.25rem;
  font-size: 0.875rem;
  color: var(--k2vl-slate);
  line-height: 1.6;
}