html {
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 4px;
}

.text-balance {
  text-wrap: balance;
}

body,
section,
div,
h1,
h2,
h3,
p,
a,
button,
svg,
span {
  transition-property: background-color, border-color, color, fill, stroke,
    opacity, transform, height, max-height;
  transition-duration: 300ms;
  transition-timing-function: ease-in-out;
}

.modal {
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-10px);
}
.modal.visible-modal {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.hidden-modal {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-10px);
}

#sidebar {
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    background-color 0.3s ease;
}
#sidebar.expanded {
  width: 16rem;
}
#main-content {
  transition: margin-left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
@media (min-width: 768px) {
  #main-content.sidebar-expanded {
    margin-left: 18rem;
  }
}

.nav-label {
  transition: opacity 0.2s ease, transform 0.2s ease;
  opacity: 0;
  transform: translateX(-10px);
  white-space: nowrap;
  display: none;
}
#sidebar.expanded .nav-label {
  opacity: 1;
  transform: translateX(0);
  display: inline-block;
}

#mobile-menu {
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.4s ease, transform 0.4s ease;
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
  overflow: hidden;
}
#mobile-menu.open {
  max-height: 100vh;
  opacity: 1;
  transform: translateY(0);
}
.mobile-open #icon-hamburger {
  display: none;
}
.mobile-open #icon-close {
  display: block;
}
#icon-close {
  display: none;
}

.theme-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.theme-switch,
.theme-switch * {
  box-sizing: border-box;
}
.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 34px;
  border: 2px solid #333;
}
.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: #333;
  transition: 0.4s;
  border-radius: 50%;
}
input:checked + .slider {
  background-color: #111111;
  border-color: #fff;
}
input:checked + .slider:before {
  transform: translateX(20px);
  background-color: #fff;
}

.podcast-card {
  border: 1px solid rgba(0, 0, 0, 0.2);
  transition: all 0.5s ease;
}
.dark .podcast-card {
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.podcast-image-container {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.5s ease;
}
.podcast-card:hover .podcast-image-container {
  max-height: 250px;
  opacity: 1;
}
.podcast-card:hover {
  background-color: transparent;
}

.hide-scrollbar::-webkit-scrollbar {
  display: none;
}
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.scroll-container {
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
}
.scroll-item {
  scroll-snap-align: start;
}

.filter-btn {
  transition: all 0.3s ease;
  border-width: 1px;
  opacity: 0.6;
}
.filter-btn:hover {
  opacity: 1;
}
.light .filter-btn.active {
  background-color: #111111;
  color: #ffffff;
  border-color: #111111;
  opacity: 1;
}
.dark .filter-btn.active {
  background-color: #ffffff;
  color: #111111;
  border-color: #ffffff;
  opacity: 1;
}

/* PDF content area: same styles for screen and native PDF export */
#pdf-content {
  background-color: #ffffff;
  color: #111111;
  font-family: "Inter", sans-serif;
  max-width: 7.5in;
  overflow-wrap: break-word;
  word-break: break-word;
}
#pdf-content p {
  orphans: 2;
  widows: 2;
}
#pdf-content li {
  page-break-inside: avoid;
}
#pdf-content .pdf-section {
  page-break-inside: auto;
  page-break-before: always;
}
#pdf-content .pdf-section:first-of-type {
  page-break-before: auto;
}
#pdf-content .pdf-section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  page-break-after: avoid;
  page-break-inside: avoid;
}
#pdf-content .pdf-section-icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  color: #111111;
}
#pdf-content .pdf-section-card {
  border: 1px solid #DED9D5;
  border-radius: 0.75rem;
  background: #ffffff;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}
#pdf-content .pdf-practice-box {
  background: #F2F0EE;
  border-radius: 0.5rem;
  border-left: 4px solid #111111;
  page-break-inside: avoid;
}
#pdf-content .pdf-practice-box h4 {
  page-break-after: avoid;
}
#pdf-content .pdf-practice-of-week {
  margin-top: 0.5rem;
}
#pdf-content .pdf-practice-of-week-push {
  page-break-before: always;
  page-break-inside: avoid;
}
#pdf-content .pdf-keep-together {
  page-break-inside: avoid;
}
#pdf-content .pdf-face-up-block {
  page-break-before: always;
  page-break-inside: avoid;
}
#pdf-content .pdf-section-icon {
  width: 32px !important;
  height: 32px !important;
  min-width: 32px;
  min-height: 32px;
}
#pdf-content .pdf-section-icon,
#pdf-content .pdf-section-icon path {
  stroke: #111111 !important;
  fill: none !important;
}
#pdf-content h3 {
  page-break-after: avoid;
  page-break-inside: avoid;
}
#pdf-content h4 {
  page-break-after: avoid;
  page-break-inside: avoid;
}
#pdf-content .font-serif {
  font-family: "Playfair Display", serif;
}
#pdf-content .pdf-title-block {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid #111111;
  page-break-after: avoid;
}