/* =============================================================
   Library Plugin — Stylesheet
   Inherits colour scheme from the active WordPress theme.
   Accent colours use wp-theme tokens where available,
   falling back to neutral values so any theme looks good.
   ============================================================= */

:root {
  /* Structural / accent — these do NOT fight the theme palette */
  --lsl-accent:      var(--wp--preset--color--primary,        #8b5cf6);
  --lsl-accent2:     var(--wp--preset--color--secondary,       #22d3ee);
  --lsl-cyan:        #22d3ee;
  --lsl-lime:        #a3e635;
  --lsl-rose:        #fb7185;
  --lsl-amber:       #fbbf24;
  --lsl-emerald:     #34d399;

  /* Surface colours — inherit from theme tokens */
  --lsl-bg:          transparent;
  --lsl-surface:     var(--wp--preset--color--base,            #ffffff);
  --lsl-surface2:    var(--wp--preset--color--base-2,          #f5f5f5);
  --lsl-border:      var(--wp--preset--color--contrast-3,      rgba(0,0,0,0.1));

  /* Text — inherit from theme */
  --lsl-text:        var(--wp--preset--color--contrast,        inherit);
  --lsl-muted:       var(--wp--preset--color--contrast-2,      #6b6b8a);

  /* Typography — inherit from theme */
  --lsl-font-body:   var(--wp--preset--font-family--body,      inherit);
  --lsl-font-head:   var(--wp--preset--font-family--heading,   inherit);

  --lsl-radius:      var(--wp--preset--border-radius,          12px);
  --lsl-radius-sm:   8px;
}

/* ---- Reset scope ---- */
.lsl-library, .lsl-library * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.lsl-library {
  font-family: var(--lsl-font-body);
  color: var(--lsl-text);
  background: var(--lsl-bg);
  position: relative;
}

/* ---------------------------------------------------------------
   HEADER
--------------------------------------------------------------- */
.lsl-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--lsl-surface);
  border-bottom: 1px solid var(--lsl-border);
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.lsl-logo {
  font-family: var(--lsl-font-head);
  font-weight: 800;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--lsl-text);
  text-decoration: none;
  white-space: nowrap;
}

.lsl-logo-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--lsl-accent);
  flex-shrink: 0;
}

.lsl-search-form { flex: 1; max-width: 340px; }

.lsl-search-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--lsl-surface2);
  border: 1px solid var(--lsl-border);
  border-radius: var(--lsl-radius-sm);
  padding: 0.4rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lsl-search-wrap:focus-within {
  border-color: var(--lsl-accent);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}

.lsl-search-icon { color: var(--lsl-muted); font-size: 1rem; }

.lsl-search-wrap input {
  background: none;
  border: none;
  outline: none;
  color: var(--lsl-text);
  font-family: var(--lsl-font-body);
  font-size: 0.875rem;
  width: 100%;
}

.lsl-search-wrap input::placeholder { color: var(--lsl-muted); }

/* ---------------------------------------------------------------
   LAYOUT
--------------------------------------------------------------- */
.lsl-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

/* ---------------------------------------------------------------
   SIDEBAR
--------------------------------------------------------------- */
.lsl-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: sticky;
  top: 72px;
  height: fit-content;
}

.lsl-card {
  background: var(--lsl-surface);
  border: 1px solid var(--lsl-border);
  border-radius: var(--lsl-radius);
  padding: 1.1rem;
}

.lsl-sidebar-title {
  font-family: var(--lsl-font-head);
  font-weight: 700;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--lsl-muted);
  margin-bottom: 0.75rem;
}

.lsl-filter-list { list-style: none; display: flex; flex-direction: column; gap: 0.15rem; }

.lsl-filter-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.7rem;
  border-radius: var(--lsl-radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--lsl-muted);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.lsl-filter-item:hover,
.lsl-filter-item.active {
  background: var(--lsl-surface2);
  color: var(--lsl-text);
}

.lsl-filter-item.active { color: var(--lsl-accent); font-weight: 600; }

.lsl-filter-left { display: flex; align-items: center; gap: 0.55rem; }

.lsl-filter-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

.lsl-filter-count {
  font-size: 0.7rem;
  background: var(--lsl-surface2);
  border: 1px solid var(--lsl-border);
  padding: 0.1rem 0.45rem;
  border-radius: 99px;
}

.lsl-topic-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.lsl-topic-tag {
  font-size: 0.75rem;
  padding: 0.28rem 0.7rem;
  border-radius: 99px;
  border: 1px solid var(--lsl-border);
  color: var(--lsl-muted);
  text-decoration: none;
  transition: all 0.15s;
  background: transparent;
}

.lsl-topic-tag:hover { border-color: var(--lsl-accent); color: var(--lsl-accent); }
.lsl-topic-tag.active { background: var(--lsl-surface2); border-color: var(--lsl-accent); color: var(--lsl-accent); }

/* ---------------------------------------------------------------
   MAIN
--------------------------------------------------------------- */
.lsl-main { display: flex; flex-direction: column; gap: 1.25rem; }

.lsl-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.lsl-subheading { font-size: 0.82rem; color: var(--lsl-muted); margin-top: 0.2rem; }

.lsl-sort-select {
  background: var(--lsl-surface);
  border: 1px solid var(--lsl-border);
  border-radius: var(--lsl-radius-sm);
  color: var(--lsl-text);
  font-family: var(--lsl-font-body);
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  outline: none;
  cursor: pointer;
}

/* Active filters bar */
.lsl-active-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
}

.lsl-filter-label { color: var(--lsl-muted); }

.lsl-active-chip {
  background: var(--lsl-surface2);
  border: 1px solid var(--lsl-border);
  color: var(--lsl-text);
  border-radius: 99px;
  padding: 0.2rem 0.65rem;
  text-decoration: none;
  transition: all 0.15s;
}

.lsl-active-chip:hover { border-color: var(--lsl-accent); color: var(--lsl-accent); }
.lsl-clear-all { color: var(--lsl-muted); text-decoration: underline; margin-left: 0.25rem; }
.lsl-clear-all:hover { color: var(--lsl-text); }

/* ---------------------------------------------------------------
   FEATURED BANNER
--------------------------------------------------------------- */
.lsl-featured-banner {
  background: var(--lsl-surface2);
  border: 1px solid var(--lsl-border);
  border-radius: var(--lsl-radius);
  padding: 1.4rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.lsl-featured-badge {
  position: absolute;
  top: 0.9rem; right: 0.9rem;
  font-family: var(--lsl-font-head);
  font-weight: 800;
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  color: var(--lsl-accent);
  background: var(--lsl-surface);
  padding: 0.18rem 0.55rem;
  border-radius: 99px;
  border: 1px solid var(--lsl-border);
}

.lsl-featured-type { font-size: 0.8rem; font-weight: 600; margin-bottom: 0.4rem; }

.lsl-featured-title {
  font-family: var(--lsl-font-head);
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

.lsl-featured-title a { color: var(--lsl-text); text-decoration: none; }
.lsl-featured-title a:hover { color: var(--lsl-accent); }

.lsl-featured-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--lsl-muted);
  margin-bottom: 1rem;
}

.lsl-featured-thumb {
  width: 180px; height: 115px;
  border-radius: var(--lsl-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--lsl-border);
  background: var(--lsl-surface2);
}

.lsl-thumb-img { width: 100%; height: 100%; object-fit: cover; }

.lsl-play-overlay { font-size: 2rem; }

.lsl-btn-watch {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--lsl-accent);
  color: #fff;
  border: none;
  border-radius: var(--lsl-radius-sm);
  padding: 0.6rem 1.3rem;
  font-family: var(--lsl-font-body);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
}

.lsl-btn-watch:hover { opacity: 0.88; transform: translateY(-1px); color: #fff; }

/* ---------------------------------------------------------------
   CONTENT LIST
--------------------------------------------------------------- */
.lsl-content-list { display: flex; flex-direction: column; gap: 0.65rem; }

.lsl-content-item {
  background: var(--lsl-surface);
  border: 1px solid var(--lsl-border);
  border-radius: var(--lsl-radius);
  padding: 0.9rem 1.1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
  animation: lslFadeUp 0.4s ease both;
}

.lsl-content-item:hover {
  border-color: var(--lsl-accent);
  background: var(--lsl-surface2);
  transform: translateX(3px);
}

/* Left accent strip */
.lsl-content-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity 0.2s;
}

.lsl-content-item:hover::before { opacity: 1; }
.lsl-content-item.video::before   { background: var(--lsl-cyan); }
.lsl-content-item.article::before { background: var(--lsl-lime); }
.lsl-content-item.course::before  { background: var(--lsl-rose); }
.lsl-content-item.podcast::before { background: var(--lsl-amber); }

/* Thumbnail */
.lsl-item-thumb {
  width: 84px; height: 58px;
  border-radius: var(--lsl-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  border: 1px solid var(--lsl-border);
  text-decoration: none;
  overflow: hidden;
  background: var(--lsl-surface2);
}

.lsl-thumb-emoji { font-size: 1.5rem; }

.lsl-type-badge {
  position: absolute;
  bottom: 4px; right: 4px;
  font-size: 0.58rem;
  font-weight: 700;
  padding: 0.12rem 0.38rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--lsl-surface);
  color: var(--lsl-muted);
  border: 1px solid var(--lsl-border);
}

/* Body */
.lsl-item-body { min-width: 0; }

.lsl-item-topic {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.lsl-item-title {
  font-family: var(--lsl-font-head);
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.3;
  margin-bottom: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lsl-item-title a { color: var(--lsl-text); text-decoration: none; }
.lsl-item-title a:hover { color: var(--lsl-accent); }

.lsl-item-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.73rem;
  color: var(--lsl-muted);
}

/* Difficulty badge */
.lsl-difficulty {
  display: inline-flex;
  align-items: center;
  font-size: 0.68rem;
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--lsl-border);
  color: var(--lsl-muted);
}

.lsl-difficulty.beginner     { border-color: var(--lsl-emerald); color: var(--lsl-emerald); }
.lsl-difficulty.intermediate { border-color: var(--lsl-amber);   color: var(--lsl-amber); }
.lsl-difficulty.advanced     { border-color: var(--lsl-rose);    color: var(--lsl-rose); }

/* Item actions */
.lsl-item-actions { flex-shrink: 0; }

.lsl-btn-go {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--lsl-radius-sm);
  background: var(--lsl-surface2);
  border: 1px solid var(--lsl-border);
  color: var(--lsl-muted);
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.15s;
}

.lsl-btn-go:hover { background: var(--lsl-accent); border-color: var(--lsl-accent); color: #fff; }

/* ---------------------------------------------------------------
   EMPTY STATE
--------------------------------------------------------------- */
.lsl-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--lsl-muted);
}

.lsl-empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.lsl-empty h3 { font-family: var(--lsl-font-head); font-size: 1.2rem; color: var(--lsl-text); margin-bottom: 0.5rem; }
.lsl-empty a { color: var(--lsl-accent); }

/* ---------------------------------------------------------------
   PAGINATION
--------------------------------------------------------------- */
.lsl-main .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding-top: 0.5rem;
  list-style: none;
}

.lsl-main .page-numbers li { display: inline; }

.lsl-main .page-numbers a,
.lsl-main .page-numbers span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px; height: 34px;
  border-radius: var(--lsl-radius-sm);
  border: 1px solid var(--lsl-border);
  background: var(--lsl-surface);
  color: var(--lsl-muted);
  font-family: var(--lsl-font-body);
  font-size: 0.85rem;
  text-decoration: none;
  padding: 0 0.5rem;
  transition: all 0.15s;
}

.lsl-main .page-numbers a:hover { border-color: var(--lsl-accent); color: var(--lsl-accent); }
.lsl-main .page-numbers .current { background: var(--lsl-accent); border-color: var(--lsl-accent); color: #fff; }

/* ---------------------------------------------------------------
   ANIMATION
--------------------------------------------------------------- */
@keyframes lslFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.lsl-content-item:nth-child(1)  { animation-delay: 0.04s; }
.lsl-content-item:nth-child(2)  { animation-delay: 0.08s; }
.lsl-content-item:nth-child(3)  { animation-delay: 0.12s; }
.lsl-content-item:nth-child(4)  { animation-delay: 0.16s; }
.lsl-content-item:nth-child(5)  { animation-delay: 0.20s; }
.lsl-content-item:nth-child(6)  { animation-delay: 0.24s; }
.lsl-content-item:nth-child(7)  { animation-delay: 0.28s; }
.lsl-content-item:nth-child(8)  { animation-delay: 0.32s; }
.lsl-content-item:nth-child(9)  { animation-delay: 0.36s; }
.lsl-content-item:nth-child(10) { animation-delay: 0.40s; }

/* ---------------------------------------------------------------
   TWO-COLUMN SECTION LAYOUT
--------------------------------------------------------------- */
.lsl-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 600px;
}

.lsl-section-titlebar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.25rem 1.5rem 0.75rem;
  border-bottom: 1px solid var(--lsl-border);
}

.lsl-section-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.lsl-section-heading {
  font-family: var(--lsl-font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--lsl-text);
  margin: 0;
}

.lsl-section-resources {
  border-right: 1px solid var(--lsl-border);
}

.lsl-section-resources .lsl-layout {
  padding: 1rem 1rem 1.5rem;
  grid-template-columns: 200px 1fr;
  gap: 1rem;
}

.lsl-section-resources .lsl-sidebar { position: static; }
.lsl-section-resources .lsl-main { gap: 1rem; }
.lsl-section-resources .lsl-heading { display: none; }

/* ---------------------------------------------------------------
   RESPONSIVE
--------------------------------------------------------------- */
@media (max-width: 1100px) {
  .lsl-two-col { grid-template-columns: 1fr; }
  .lsl-section-resources { border-right: none; border-bottom: 1px solid var(--lsl-border); }
}

@media (max-width: 900px) {
  .lsl-layout { grid-template-columns: 1fr; }
  .lsl-featured-banner { grid-template-columns: 1fr; }
  .lsl-featured-thumb { display: none; }
}

@media (max-width: 600px) {
  .lsl-header { padding: 0 1rem; }
  .lsl-layout { padding: 1rem; }
  .lsl-content-item { grid-template-columns: auto 1fr; }
  .lsl-item-actions { display: none; }
  .lsl-item-title { white-space: normal; }
}

/* ---------------------------------------------------------------
   NEWSLETTER — PDF PREVIEW (featured banner)
--------------------------------------------------------------- */
.lsl-pdf-preview {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: #1a1a2e;
}

.lsl-pdf-preview iframe {
  width: 100%;
  height: 100%;
  border: none;
  pointer-events: none;
}

.lsl-pdf-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  opacity: 0;
  transition: opacity 0.2s;
}

.lsl-pdf-preview:hover .lsl-pdf-overlay {
  opacity: 1;
}

.lsl-pdf-overlay span {
  background: rgba(0,0,0,0.6);
  padding: 6px 14px;
  border-radius: 20px;
}

/* ---------------------------------------------------------------
   DOCUMENTATION type badge
--------------------------------------------------------------- */
.lsl-type-badge.documentation,
.lsl-filter-item.documentation .lsl-filter-dot,
.lsl-item-topic.documentation { color: #818cf8; }

/* ---------------------------------------------------------------
   TYPE SECTION DIVIDERS (all-content grouped view)
--------------------------------------------------------------- */
.lsl-section-heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--type-color, #a78bfa);
  padding: 0.25rem 0 0.5rem;
  margin-top: 0.25rem;
}

.lsl-section-emoji {
  font-size: 1rem;
}

.lsl-section-divider {
  border: none;
  border-top: 1px solid #1e293b;
  margin: 1rem 0 0.75rem;
}