.main-content {
  overflow-y: auto;
}
body.sidebar-is-open {
  overflow: hidden;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}
.marketplace-container {
  width: 100%;
  max-width: 1500px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
  box-sizing: border-box;
}
.marketplace-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 280px;
  max-width: 85%;
  background: var(--neutral-50);
  z-index: 1200;
  display: flex; 
  flex-direction: column;
  transform: translateX(-100%); 
  transition: transform 0.3s ease-in-out;
  border-right: 1px solid var(--border-color);
}

.page-title-image {
  width: 100%;  
  height: auto; 
  max-height: 250px; 
  object-fit: cover; 
  display: block;
  margin: 0 auto var(--space-sm);
  border-radius: var(--radius-lg);
}

@media (max-width: 768px) {
  .page-title-image {
    max-height: 180px; 
  }
}

@media (max-width: 480px) {
  .page-title-image {
    max-height: 120px; 
    border-radius: var(--radius-md);
  }
}

.marketplace-sidebar.is-open {
  transform: translateX(0);
  box-shadow: 0 0 25px rgba(0,0,0,0.15);
}
.sidebar-content {
  padding: var(--space-lg);
  overflow-y: auto;
  flex-grow: 1;
}
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  z-index: 1199;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease-in-out, visibility 0s 0.3s linear;
}
.sidebar-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}
.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg); 
  border-bottom: 1px solid var(--border-color); 
  flex-shrink: 0; 
}
.sidebar-close-btn {
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
}
.sidebar-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}
.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.page-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  line-height: 1.2;
  margin: 0;
}
.desktop-filter-bar {
  margin-bottom: var(--space-md);
}
.filter-toggle-btn { display: none; }
.filter-form-horizontal { display: flex; align-items: center; gap: var(--space-md); flex-wrap: wrap; padding: var(--space-sm); background-color: var(--neutral-50); border: 1px solid var(--border-color); border-radius: var(--radius-lg); }
.filter-form-horizontal .search-group { flex-grow: 1; position: relative; }
.filter-form-horizontal .search-group input { height: 42px; width: 100%; padding-left: 40px; background-color: var(--dark-bg); border: none; border-radius: var(--radius-md); }
.filter-form-horizontal select { height: 42px; background-color: var(--dark-bg); border: none; border-radius: var(--radius-md); -webkit-appearance: none; -moz-appearance: none; appearance: none; padding: 0 16px; font-weight: 500; cursor: pointer; }
.filter-form-horizontal .form-group { position: relative; }
.filter-form-horizontal .search-group .fa-search { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-secondary); }
.filter-form-horizontal .currency-selector-wrapper { background: transparent;}
.reset-btn { margin-left: auto; }
.book-card .book-cover-wrapper,
.book-card .book-info {
    cursor: pointer;
}
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); 
  gap: var(--space-md); 
}
.book-card { display: flex; flex-direction: column; transition: transform 0.2s ease-out, box-shadow 0.2s ease-out; }
.book-card { position: relative; }
.bestseller-emoji { position:absolute; top:6px; right:6px; font-size:1.5rem; }
.book-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-radius: var(--radius-md); }
.book-cover-wrapper { aspect-ratio: 2 / 3; border-radius: var(--radius-md); overflow: hidden; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); }
.book-cover { width: 100%; height: 100%; object-fit: cover; }
.book-info { position: relative; padding: 12px 4px 8px; }
.book-title { font-family: 'Lora', serif; font-size: 0.9rem; font-weight: 600; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: 25px; }
.book-author { font-size: 0.8rem; color: var(--text-secondary); margin: 2px 0 6px; }
.book-price { font-size: 1rem; font-weight: 700; margin: 0; }
.book-rating { font-size: 0.8rem; color: #f8b400; margin-bottom: 6px; }
.rating-count { color: var(--text-secondary); margin-left: 4px; }
.book-actions { display: flex; gap: var(--space-sm); padding: 0 4px; align-items: center; }
.action-form { display: contents; }
.btn-buy { flex-grow: 1; padding: 8px 10px; font-size: 0.9rem; }
.secondary-actions { display: flex; gap: var(--space-xs); }
.btn-icon { width: 36px; height: 36px; border-radius: var(--radius-md); border: 1px solid var(--border-color); background: var(--neutral-50); }
.book-info-trigger { position: absolute; top: 10px; right: 4px; background: none; border: none; color: var(--text-secondary); padding: 2px 4px; cursor: pointer; border-radius: 4px; opacity: 0.5; transition: opacity 0.2s, background-color 0.2s; }
.book-card:hover .book-info-trigger { opacity: 1; }
.book-info-trigger:hover { background-color: var(--dark-bg); }
.pagination-nav { display: flex; justify-content: center; margin-top: var(--space-xl); }
.pagination { display: flex; list-style: none; padding-left: 0; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; border: 1px solid var(--border-color); }
.page-item .page-link { display: block; padding: 10px 16px; background: var(--neutral-50); color: var(--text-secondary); text-decoration: none; border-left: 1px solid var(--border-color); transition: background-color 0.2s ease, color 0.2s ease; }
.page-item:first-child .page-link { border-left: none; }
.page-item .page-link:hover { background: var(--dark-bg); color: var(--text-color); }
.page-item.active .page-link { background-color: var(--primary-color); color: white; font-weight: 600; cursor: default; }
.page-item.disabled .page-link { color: #ccc; pointer-events: none; }
.modal-overlay { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(4px); z-index: 1200; display: flex; align-items: center; justify-content: center; padding: 1rem; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0s 0.3s linear; }
.modal-overlay.active { opacity: 1; visibility: visible; transition-delay: 0s; }
.modal-container { background: var(--neutral-50); border-radius: var(--radius-xl); width: 100%; max-width: 800px; max-height: 90vh; box-shadow: var(--shadow-md); position: relative; transform: scale(0.95); transition: transform 0.3s ease; }
.modal-overlay.active .modal-container { transform: scale(1); }
.modal-close { position: absolute; top: 12px; right: 12px; width: 32px; height: 32px; border-radius: 50%; border: none; background: var(--dark-bg); color: var(--text-secondary); font-size: 1.5rem; line-height: 1; cursor: pointer; z-index: 10; }
.modal-content { display: flex; flex-direction: column; padding: var(--space-lg); max-height: 90vh; overflow-y: auto; }
.modal-cover-wrapper { width: 150px; flex-shrink: 0; aspect-ratio: 2 / 3; border-radius: var(--radius-md); overflow: hidden; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); margin: 0 auto var(--space-lg); }
#modal-book-cover { width: 100%; height: 100%; object-fit: cover; }
.modal-info-wrapper { text-align: center; }
#modal-book-title { font-family: 'Playfair Display', serif; font-size: 1.8rem; margin: 0 0 4px; }
#modal-book-author { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: var(--space-md); }
#modal-book-rating { justify-content: center; }
.modal-description { margin: var(--space-lg) 0; color: var(--text-secondary); line-height: 1.6; text-align: left; max-height: 200px; overflow-y: auto; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); padding: var(--space-md) 0; }
.modal-price-wrapper { margin-bottom: var(--space-lg); }
#modal-book-price { font-size: 1.5rem; font-weight: 700; color: var(--primary-color); }
.modal-actions { display: flex; justify-content: center; gap: var(--space-md); }
/* --- Become Writer Nudge (under header) --- */
.writer-nudge {
  position: fixed;
  top: calc(var(--header-height) + 10px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1101;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;

  width: min(560px, 92vw);
  padding: 10px 12px;

  background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 50%, #06b6d4 100%);
  color: #fff;

  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  animation: nudgeSlideDown 280ms ease both;
}

@keyframes nudgeSlideDown {
  from { opacity: 0; transform: translate(-50%, -8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

.writer-nudge .nudge-left {
  display: flex; align-items: center; gap: 10px; min-width: 0;
}
.writer-nudge .nudge-icon {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.writer-nudge .nudge-icon i { font-size: 1rem; color: #fff; }

.writer-nudge .nudge-text { line-height: 1.2; }
.writer-nudge .nudge-text strong { display: block; font-size: 0.98rem; }
.writer-nudge .nudge-text small { opacity: 0.9; }

.writer-nudge .nudge-right {
  display: flex; align-items: center; gap: 8px; margin-left: auto;
}

.writer-nudge .btn-cta {
  background: #fff; color: #0f172a; border-color: transparent;
  padding: 8px 12px; border-radius: 10px; font-weight: 800;
}
.writer-nudge .btn-cta:hover { filter: brightness(0.95); }

.writer-nudge .nudge-countdown {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 46px; height: 32px; padding: 0 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.25);
  font-weight: 700;
}

.writer-nudge .nudge-close {
  width: 32px; height: 32px; line-height: 1;
  border-radius: 999px; border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.18); color: #fff;
  cursor: pointer;
}
.writer-nudge .nudge-close:hover { background: rgba(255,255,255,0.28); }
.btn-add-free {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border: 1px solid var(--border-color);
  background: var(--neutral-50); color: var(--text-color);
  border-radius: var(--radius-md); font-weight: 600;
}
.btn-add-free:hover { background: var(--dark-bg); }

/* Mobile: make it full-width-ish and tighter */
@media (max-width: 680px) {
  .writer-nudge { width: min(96vw, 560px); padding: 10px; gap: 10px; }
  .writer-nudge .nudge-text small { display: none; }
}

@media (max-width: 768px) {
  .marketplace-container { display: block; }
  .marketplace-sidebar, .sidebar-overlay, .filter-toggle-btn { display: none; }
  .content-header { display: block; }
  .content-header { text-align: center; }
  .desktop-filter-bar { display: block; }
  .desktop-filter-bar { margin-bottom: var(--space-lg); }

  .filter-form-horizontal { display: grid; }
  .filter-form-horizontal { grid-template-columns: 1fr 1fr; }
  .filter-form-horizontal { grid-auto-rows: auto; }
  .filter-form-horizontal { gap: 8px; }
  .filter-form-horizontal { padding: var(--space-sm); }
  .filter-form-horizontal { background-color: var(--neutral-50); }
  .filter-form-horizontal { border: 1px solid var(--border-color); }
  .filter-form-horizontal { border-radius: var(--radius-lg); }

  .filter-form-horizontal > .form-group:not(.search-group) { display: contents; }

  .filter-form-horizontal .search-group { grid-column: 1 / -1; }
  .filter-form-horizontal .search-group { position: relative; }
  .filter-form-horizontal .search-group input { height: 38px; }
  .filter-form-horizontal .search-group input { width: 100%; }
  .filter-form-horizontal .search-group input { padding-left: 40px; }
  .filter-form-horizontal .search-group input { background-color: var(--dark-bg); }
  .filter-form-horizontal .search-group input { border: none; }
  .filter-form-horizontal .search-group input { border-radius: var(--radius-md); }
  .filter-form-horizontal .search-group .fa-search { position: absolute; }
  .filter-form-horizontal .search-group .fa-search { left: 14px; }
  .filter-form-horizontal .search-group .fa-search { top: 50%; }
  .filter-form-horizontal .search-group .fa-search { transform: translateY(-50%); }
  .filter-form-horizontal .search-group .fa-search { color: var(--text-secondary); }

  .filter-form-horizontal .form-group { position: relative; }
  .filter-form-horizontal select { height: 38px; }
  .filter-form-horizontal select { background-color: var(--dark-bg); }
  .filter-form-horizontal select { border: none; }
  .filter-form-horizontal select { border-radius: var(--radius-md); }
  .filter-form-horizontal select { -webkit-appearance: none; }
  .filter-form-horizontal select { -moz-appearance: none; }
  .filter-form-horizontal select { appearance: none; }
  .filter-form-horizontal select { padding-left: 12px; }
  .filter-form-horizontal select { padding-right: 28px; }
  .filter-form-horizontal select { font-weight: 500; }
  .filter-form-horizontal select { cursor: pointer; }

  #genre_desktop { grid-column: 1 / 2; }
  #genre_desktop { height: 38px; }
  #genre_desktop { background-color: var(--dark-bg); }
  #genre_desktop { border: none; }
  #genre_desktop { border-radius: var(--radius-md); }
  #genre_desktop { -webkit-appearance: none; }
  #genre_desktop { -moz-appearance: none; }
  #genre_desktop { appearance: none; }
  #genre_desktop { padding-left: 12px; }
  #genre_desktop { padding-right: 28px; }
  #genre_desktop { font-weight: 500; }
  #genre_desktop { cursor: pointer; }

  #lang_desktop { grid-column: 2 / 3; }
  #lang_desktop { height: 38px; }
  #lang_desktop { background-color: var(--dark-bg); }
  #lang_desktop { border: none; }
  #lang_desktop { border-radius: var(--radius-md); }
  #lang_desktop { -webkit-appearance: none; }
  #lang_desktop { -moz-appearance: none; }
  #lang_desktop { appearance: none; }
  #lang_desktop { padding-left: 12px; }
  #lang_desktop { padding-right: 28px; }
  #lang_desktop { font-weight: 500; }
  #lang_desktop { cursor: pointer; }

  .form-actions-horizontal { grid-column: 1 / 2; }
  .form-actions-horizontal { display: flex; }
  .form-actions-horizontal { gap: 6px; }
  .form-actions-horizontal .btn { padding: 6px 10px; }
  .form-actions-horizontal .btn { font-size: 0.85rem; }
  .form-actions-horizontal .btn { line-height: 1.2; }

  .filter-form-horizontal .currency-selector-wrapper { grid-column: 2 / 3; }
  .filter-form-horizontal .currency-selector-wrapper { background: transparent; }
  .filter-form-horizontal .currency-selector-wrapper { justify-self: end; }
  #currency-selector { height: 38px; }
  #currency-selector { font-size: 0.9rem; }
  #currency-selector { background-color: var(--dark-bg); }
  #currency-selector { border: none; }
  #currency-selector { border-radius: var(--radius-md); }
  #currency-selector { -webkit-appearance: none; }
  #currency-selector { -moz-appearance: none; }
  #currency-selector { appearance: none; }
  #currency-selector { padding-left: 12px; }
  #currency-selector { padding-right: 28px; }
  #currency-selector { font-weight: 500; }
  #currency-selector { cursor: pointer; }

  .reset-btn { margin-left: auto; }

  .book-grid { grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); }
  .book-grid { gap: var(--space-md); }

  .book-info { padding: 8px 4px 6px; }

  .book-title { font-size: 0.8rem; }
  .book-title { padding-right: 0; }

  .book-author { font-size: 0.75rem; }
  .book-author { margin: 2px 0 4px; }

  .book-price { font-size: 0.9rem; }

  .book-actions { padding: 0 4px 4px; }
  .book-actions { gap: 4px; }

  .btn-buy { padding: 6px 8px; }
  .btn-buy { font-size: 0.8rem; }

  .btn-icon { width: 30px; }
  .btn-icon { height: 30px; }
}