/* ═══════════════════════════════════════════════
   Ebook Library – Frontend Styles
   ═══════════════════════════════════════════════ */

:root {
  --ebl-primary:    #4F6AF5;
  --ebl-secondary:  #F5754F;
  --ebl-success:    #5CB85C;
  --ebl-warning:    #F0AD4E;
  --ebl-dark:       #1a1a2e;
  --ebl-gray:       #6c757d;
  --ebl-light:      #f8f9fc;
  --ebl-border:     #e2e8f0;
  --ebl-radius:     10px;
  --ebl-shadow:     0 4px 20px rgba(0,0,0,.08);
  --ebl-shadow-hover: 0 8px 30px rgba(79,106,245,.18);
  --ebl-transition: .25s ease;
  --ebl-font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ── Grid ──────────────────────────────────── */
.ebl-grid {
  display: grid;
  gap: 24px;
}
.ebl-cols-1 { grid-template-columns: repeat(1, 1fr); }
.ebl-cols-2 { grid-template-columns: repeat(2, 1fr); }
.ebl-cols-3 { grid-template-columns: repeat(3, 1fr); }
.ebl-cols-4 { grid-template-columns: repeat(4, 1fr); }
.ebl-cols-5 { grid-template-columns: repeat(5, 1fr); }
.ebl-cols-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 1100px) {
  .ebl-cols-4, .ebl-cols-5, .ebl-cols-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .ebl-cols-3, .ebl-cols-4, .ebl-cols-5, .ebl-cols-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .ebl-grid { grid-template-columns: 1fr !important; }
}

/* ── Card ──────────────────────────────────── */
.ebl-card {
  background: #fff;
  border-radius: var(--ebl-radius);
  box-shadow: var(--ebl-shadow);
  overflow: hidden;
  transition: transform var(--ebl-transition), box-shadow var(--ebl-transition);
  display: flex;
  flex-direction: column;
}
.ebl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ebl-shadow-hover);
}
.ebl-card-cover-link { display: block; }
.ebl-card-cover {
  width: 100%;
  padding-top: 140%;
  background-size: cover;
  background-position: center;
  background-color: #e9edf7;
  position: relative;
}
.ebl-card-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ebl-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.ebl-card-cats { display: flex; flex-wrap: wrap; gap: 4px; }
.ebl-cat-badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--ebl-primary);
  color: #fff;
  text-decoration: none;
  transition: opacity .2s;
}
.ebl-cat-badge:hover { opacity: .85; color: #fff; }
.ebl-card-title { margin: 0; font-size: 15px; line-height: 1.4; }
.ebl-card-title a { color: var(--ebl-dark); text-decoration: none; }
.ebl-card-title a:hover { color: var(--ebl-primary); }
.ebl-card-author { font-size: 13px; color: var(--ebl-gray); margin: 0; }
.ebl-card-author a { color: var(--ebl-gray); text-decoration: none; }
.ebl-card-author a:hover { color: var(--ebl-primary); }
.ebl-card-rating { font-size: 14px; color: #f5a623; }
.ebl-stars { letter-spacing: 2px; }
.ebl-card-meta {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-size: 12px; color: var(--ebl-gray);
}
.ebl-card-meta span {
  background: var(--ebl-light);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--ebl-border);
}
.ebl-card .ebl-btn { margin-top: auto; }

/* ── Badges ────────────────────────────────── */
.ebl-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: #fff;
}
.ebl-badge-featured { background: var(--ebl-warning); }
.ebl-badge-new      { background: var(--ebl-success); }
.ebl-badge-free     { background: var(--ebl-primary); }

/* ── Buttons ───────────────────────────────── */
.ebl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--ebl-transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.ebl-btn-primary {
  background: var(--ebl-primary);
  color: #fff;
}
.ebl-btn-primary:hover { background: #3a55e0; color: #fff; }
.ebl-btn-download {
  background: var(--ebl-success);
  color: #fff;
}
.ebl-btn-download:hover { background: #449d44; color: #fff; }
.ebl-btn-outline {
  background: transparent;
  border-color: var(--ebl-primary);
  color: var(--ebl-primary);
}
.ebl-btn-outline:hover { background: var(--ebl-primary); color: #fff; }
.ebl-btn-block { width: 100%; }

/* ── Section title ─────────────────────────── */
.ebl-section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--ebl-dark);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ebl-primary);
  display: inline-block;
}
.ebl-section { margin-bottom: 48px; }

/* ── Search ────────────────────────────────── */
.ebl-search-wrap { margin-bottom: 24px; }
.ebl-search-form { background: #fff; padding: 20px; border-radius: var(--ebl-radius); box-shadow: var(--ebl-shadow); }
.ebl-search-bar { display: flex; gap: 0; margin-bottom: 12px; }
.ebl-search-input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid var(--ebl-border);
  border-right: none;
  border-radius: var(--ebl-radius) 0 0 var(--ebl-radius);
  font-size: 15px;
  outline: none;
  transition: border-color .2s;
}
.ebl-search-input:focus { border-color: var(--ebl-primary); }
.ebl-search-btn {
  padding: 12px 24px;
  background: var(--ebl-primary);
  color: #fff;
  border: none;
  border-radius: 0 var(--ebl-radius) var(--ebl-radius) 0;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.ebl-search-btn:hover { background: #3a55e0; }
.ebl-search-filters { display: flex; gap: 12px; flex-wrap: wrap; }
.ebl-filter-select {
  padding: 8px 12px;
  border: 1px solid var(--ebl-border);
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  background: var(--ebl-light);
}
.ebl-result-count { font-size: 14px; color: var(--ebl-gray); margin-bottom: 16px; }
.ebl-no-results { text-align: center; padding: 40px; color: var(--ebl-gray); grid-column: 1/-1; }

/* ── Categories grid ───────────────────────── */
.ebl-category-grid {
  display: grid;
  gap: 16px;
}
.ebl-cat-card {
  background: #fff;
  border-radius: var(--ebl-radius);
  padding: 24px 16px;
  text-align: center;
  text-decoration: none;
  box-shadow: var(--ebl-shadow);
  transition: transform var(--ebl-transition), box-shadow var(--ebl-transition);
  border-top: 4px solid var(--cat-color, var(--ebl-primary));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.ebl-cat-card:hover { transform: translateY(-3px); box-shadow: var(--ebl-shadow-hover); }
.ebl-cat-card .dashicons { font-size: 32px; width: 32px; height: 32px; color: var(--cat-color, var(--ebl-primary)); }
.ebl-cat-name { font-weight: 700; font-size: 15px; color: var(--ebl-dark); }
.ebl-cat-count { font-size: 12px; color: var(--ebl-gray); }

/* ── Authors grid ──────────────────────────── */
.ebl-author-grid { display: grid; gap: 16px; }
.ebl-author-card {
  background: #fff;
  border-radius: var(--ebl-radius);
  padding: 20px;
  text-align: center;
  text-decoration: none;
  box-shadow: var(--ebl-shadow);
  transition: transform var(--ebl-transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.ebl-author-card:hover { transform: translateY(-3px); }
.ebl-author-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ebl-primary), var(--ebl-secondary));
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ebl-author-name { font-weight: 600; color: var(--ebl-dark); font-size: 14px; }
.ebl-author-count { font-size: 12px; color: var(--ebl-gray); }

/* ── Pagination ────────────────────────────── */
.ebl-pagination, .ebl-pagination + .nav-links {
  display: flex; justify-content: center; margin-top: 32px;
}
.ebl-pagination .page-numbers, .navigation .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; margin: 0 3px;
  border: 2px solid var(--ebl-border); border-radius: 8px;
  text-decoration: none; color: var(--ebl-dark); font-weight: 600;
  transition: all .2s;
}
.ebl-pagination .page-numbers.current, .navigation .page-numbers.current {
  background: var(--ebl-primary); border-color: var(--ebl-primary); color: #fff;
}
.ebl-pagination .page-numbers:hover, .navigation .page-numbers:hover {
  background: var(--ebl-primary); border-color: var(--ebl-primary); color: #fff;
}

/* ── Breadcrumb ────────────────────────────── */
.ebl-breadcrumb {
  font-size: 13px; color: var(--ebl-gray);
  margin-bottom: 20px;
  display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
}
.ebl-breadcrumb a { color: var(--ebl-primary); text-decoration: none; }
.ebl-breadcrumb span { color: var(--ebl-gray); }

/* ── Single page ───────────────────────────── */
.ebl-single-wrap { max-width: 1200px; margin: 0 auto; padding: 30px 20px; }
.ebl-single-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 768px) {
  .ebl-single-layout { grid-template-columns: 1fr; }
}
.ebl-single-sidebar { position: sticky; top: 20px; }
.ebl-single-cover {
  border-radius: var(--ebl-radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  margin-bottom: 16px;
}
.ebl-single-cover img { width: 100%; display: block; }
.ebl-single-actions { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.ebl-single-stats {
  display: flex; gap: 16px; justify-content: center;
  background: var(--ebl-light);
  border-radius: 8px; padding: 12px;
}
.ebl-stat-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ebl-gray); }
.ebl-single-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.ebl-single-cats { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.ebl-single-title { font-size: 28px; font-weight: 800; color: var(--ebl-dark); line-height: 1.3; margin-bottom: 12px; }
.ebl-single-authors { font-size: 15px; color: var(--ebl-gray); margin-bottom: 12px; }
.ebl-single-authors a { color: var(--ebl-primary); text-decoration: none; }
.ebl-single-rating { font-size: 22px; color: #f5a623; letter-spacing: 3px; margin-bottom: 16px; }
.ebl-rating-num { font-size: 14px; color: var(--ebl-gray); vertical-align: middle; }

.ebl-info-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.ebl-info-table th, .ebl-info-table td {
  padding: 10px 14px;
  border: 1px solid var(--ebl-border);
  font-size: 14px;
}
.ebl-info-table th {
  width: 40%; background: var(--ebl-light);
  font-weight: 600; color: var(--ebl-gray);
  text-align: left;
}

.ebl-single-excerpt { background: var(--ebl-light); padding: 20px; border-radius: var(--ebl-radius); margin-bottom: 24px; border-left: 4px solid var(--ebl-primary); }
.ebl-single-excerpt h3 { margin-top: 0; }
.ebl-single-content { margin-bottom: 24px; }
.ebl-single-content h3 { border-bottom: 2px solid var(--ebl-border); padding-bottom: 10px; }
.ebl-single-tags { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 24px; }
.ebl-tag-link {
  display: inline-block;
  padding: 4px 10px;
  background: var(--ebl-light);
  border: 1px solid var(--ebl-border);
  border-radius: 4px;
  font-size: 12px;
  text-decoration: none;
  color: var(--ebl-gray);
  transition: all .2s;
}
.ebl-tag-link:hover { background: var(--ebl-primary); color: #fff; border-color: var(--ebl-primary); }
.ebl-related { margin-top: 48px; padding-top: 32px; border-top: 2px solid var(--ebl-border); }

/* ── Archive page ──────────────────────────── */
.ebl-archive-wrap { max-width: 1200px; margin: 0 auto; padding: 30px 20px; }
.ebl-archive-header {
  background: linear-gradient(135deg, var(--ebl-dark) 0%, #16213e 100%);
  color: #fff;
  padding: 40px;
  border-radius: var(--ebl-radius);
  margin-bottom: 32px;
}
.ebl-archive-title { font-size: 32px; font-weight: 800; margin: 0 0 8px; }
.ebl-archive-desc { opacity: .8; font-size: 15px; margin: 0 0 20px; }
.ebl-archive-search { display: flex; gap: 0; max-width: 500px; }
.ebl-archive-search input {
  flex: 1; padding: 10px 16px;
  border: none; border-radius: var(--ebl-radius) 0 0 var(--ebl-radius);
  font-size: 14px;
}
.ebl-archive-search button {
  padding: 10px 20px;
  background: var(--ebl-primary); color: #fff; border: none;
  border-radius: 0 var(--ebl-radius) var(--ebl-radius) 0;
  cursor: pointer; font-weight: 600;
}
.ebl-archive-layout { display: grid; grid-template-columns: 250px 1fr; gap: 32px; align-items: start; }
@media (max-width: 768px) { .ebl-archive-layout { grid-template-columns: 1fr; } }
.ebl-archive-sidebar { position: sticky; top: 20px; }
.ebl-filter-widget {
  background: #fff;
  border-radius: var(--ebl-radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--ebl-shadow);
}
.ebl-filter-widget h3 { margin: 0 0 14px; font-size: 15px; font-weight: 700; color: var(--ebl-dark); }
.ebl-filter-list { list-style: none; margin: 0; padding: 0; }
.ebl-filter-list li { border-bottom: 1px solid var(--ebl-border); }
.ebl-filter-list li:last-child { border-bottom: none; }
.ebl-filter-list a {
  display: flex; justify-content: space-between; padding: 8px 0;
  text-decoration: none; color: var(--ebl-dark); font-size: 14px; transition: color .2s;
}
.ebl-filter-list a:hover { color: var(--ebl-primary); }
.ebl-filter-list .active a { color: var(--ebl-primary); font-weight: 700; }
.ebl-count { color: var(--ebl-gray); font-size: 12px; }

.ebl-sort-bar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px; padding: 12px 16px;
  background: #fff; border-radius: var(--ebl-radius); box-shadow: var(--ebl-shadow);
}
.ebl-total { font-size: 13px; color: var(--ebl-gray); }
.ebl-sort-links { display: flex; gap: 8px; }
.ebl-sort-link {
  padding: 5px 12px; border-radius: 6px; font-size: 13px; text-decoration: none;
  color: var(--ebl-gray); background: var(--ebl-light); border: 1px solid var(--ebl-border);
  transition: all .2s;
}
.ebl-sort-link.active, .ebl-sort-link:hover { background: var(--ebl-primary); color: #fff; border-color: var(--ebl-primary); }