/**
 * Breakpoints:
 * - Desktop: > 992px
 * - Tablet: 480px - 992px  
 * - Mobile: <= 480px
 */

/* CSS Variables for consistent styling */
:root {
  --side-menu-width: 400px;
  --side-menu-bg: #F2F2F2;
  --side-menu-border: #CCCCCC;
  --side-menu-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --transition-duration: 0.3s;
  --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 60px;
  --z-index-side-menu: 1000;
  --z-index-overlay: 999;
}

/* Side Menu Container */
#issue-side-menu {
  position: fixed;
  left: 0;
  width: var(--side-menu-width);
  height: 100vh;
  background-color: var(--side-menu-bg);
  border-right: 1px solid var(--side-menu-border);
  box-shadow: var(--side-menu-shadow);
  z-index: var(--z-index-side-menu);
  transform: translateX(-100%);
  transition: transform var(--transition-duration) var(--transition-easing);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

/* Side Menu Header */
.side-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--side-menu-border);
  background-color: #f8f9fa;
  position: sticky;
  top: 0;
  z-index: 10;
}

.side-menu-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
  color: #333;
}

/* Close Button */
.side-menu-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: background-color 0.2s;
  color: #666;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.side-menu-close:hover {
  background-color: #e9ecef;
  color: #333;
}

.side-menu-close:focus {
  outline: 2px solid #007bff;
  outline-offset: 2px;
}

/* Side Menu Content */
.side-menu-content {
  padding: 1rem;
}

/* Article List */
.side-menu-articles {
  list-style: none;
  padding: 0;
  margin: 0;
}

.side-menu-article-item {
  margin-bottom: 0.75rem;
}

.side-menu-article-link {
}

.side-menu-article-link a {
  text-align: left;
}

.side-menu-article-title {
  font-weight: 500;
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
  line-height: 1.3;
}

.side-menu-article-meta {
  font-size: 0.8rem;
  color: #666;
  margin: 0;
}

/* Main Content Wrapper */
.main-content-wrapper {
  transition: margin-left var(--transition-duration) var(--transition-easing);
  min-height: 100vh;
  width: 100%;
  box-sizing: border-box;
}

/* Overlay for mobile/tablet when menu is open */
.side-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-index-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-duration) var(--transition-easing),
  visibility var(--transition-duration) var(--transition-easing);
}

/* Menu Toggle Button (for when menu is hidden) */
.side-menu-toggle {
  z-index: 1001;
  position: relative;
  right: 0px;
  border: none;
  border-radius: 6px;
  padding: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: unset;
  transform: rotate(180deg);
}

.side-menu-toggle.menu-open {
  transform: rotate(0deg);
}

.oxel_icon_button_icon.side-menu-toggle {
  margin-right: 0;
}

/* Hamburger Icon */
.hamburger-icon {
  display: flex;
  flex-direction: column;
  width: 18px;
  height: 14px;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background-color: currentColor;
  margin: 1px 0;
  transition: transform 0.2s;
}

/* Desktop Styles (> 992px) */
@media (min-width: 993px) {
  /* Show side menu by default on desktop - fully visible */
  #issue-side-menu {
    transform: translateX(0);
  }

  /* When hidden on desktop, show 20% of the menu */
  #issue-side-menu.desktop-hidden {
    transform: translateX(-80%);
  }

  /* Main content takes full remaining width when side menu is visible */
  .main-content-wrapper {
    margin-left: var(--side-menu-width);
    width: calc(100vw - var(--side-menu-width));
  }

  /* When side menu is partially hidden, adjust main content to take remaining space */
  .main-content-wrapper.side-menu-partial {
    margin-left: calc(var(--side-menu-width) * 0.2);
    width: calc(100vw - (var(--side-menu-width) * 0.2));
  }

  /* Hide overlay on desktop */
  .side-menu-overlay {
    display: none;
  }

}

/* Tablet Styles (480px - 992px) */
@media (min-width: 481px) and (max-width: 992px) {
  /* Reset desktop width constraints */
  .main-content-wrapper {
    margin-left: 0 !important;
    width: 100% !important;
  }

  /* Side menu slides in from left, partially visible by default */
  #issue-side-menu {
    transform: translateX(-80%);
    width: min(var(--side-menu-width), 85vw);
  }

  #issue-side-menu.tablet-visible {
    transform: translateX(0);
  }

  /* Show overlay when menu is fully open on tablet */
  .side-menu-overlay.visible {
    opacity: 1;
    visibility: visible;
  }

  body.has-side-menu .ct-inner-content {
    padding-top: 93px;
  }

}


@media (max-width: 1120px) {
  body.has-side-menu .ct-inner-content {
    padding-top: 94px;
  }
}

@media (min-width: 481px) and (max-width: 768px) {
  body.has-side-menu .ct-inner-content {
    padding-top: 78px;
  }
}

/* Mobile Styles (<= 480px) */
@media (max-width: 480px) {
  /* Reset desktop width constraints */
  .main-content-wrapper {
    margin-left: 0 !important;
    width: 100% !important;
  }

  /* Full width menu on mobile, hidden by default */
  #issue-side-menu {
    width: min(var(--side-menu-width), 90vw);
    transform: translateX(-100%);
  }

  #issue-side-menu.mobile-visible {
    transform: translateX(0);
  }

  /* Show overlay when menu is open on mobile */
  .side-menu-overlay.visible {
    opacity: 1;
    visibility: visible;
  }

  /* Smaller toggle button on mobile */
  .side-menu-toggle {
    position: fixed;
    width: 44px;
    height: 44px;
    top: 0.75rem;
    left: 0.75rem;
  }

  /* Reduce side menu padding on mobile */
  .side-menu-content {
    padding: 0.75rem;
  }

  .side-menu-header {
    padding: 0.75rem;
  }

}

/* States */
.side-menu-open #issue-side-menu {
  transform: translateX(0);
}

.side-menu-open .side-menu-overlay {
  opacity: 1;
  visibility: visible;
}

#articles-main-container {
  transition: margin-left 0.3s ease-in-out, width 0.3s ease-in-out;
}

.side-menu-open #articles-main-container {
  margin-left: var(--side-menu-width);
}

.side-menu-partial #articles-main-container {
  margin-left: calc(var(--side-menu-width) * 0.2);
}

.wp-singular .oxy-header-wrapper {
  position: fixed;
  width: 100%;
  z-index: 999;
}

.wp-singular .ct-inner-content {
  padding-top: 103px;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  #issue-side-menu,
  .main-content-wrapper,
  .side-menu-overlay,
  .side-menu-close,
  .side-menu-toggle,
  .hamburger-line {
    transition: none;
  }
}


/* Print styles */
@media print {
  #issue-side-menu,
  #issue-mobile-menu,
  .side-menu-toggle,
  .side-menu-overlay {
    display: none !important;
  }

  .main-content-wrapper {
    margin-left: 0 !important;
  }
}

#issue-mobile-menu {
  transition: transform var(--transition-duration) var(--transition-easing);
  transform: translateY(calc(100% - 40px));
  animation: mobile-menu-bounce 2s;
  transform-origin: center bottom;
  padding-bottom: env(safe-area-inset-bottom, 43px);
}

#issue-mobile-menu.mobile-menu-open {
  transform: translateY(0);
}

#issue-mobile-menu .mobile-menu-open-box {
  background-color: var(--side-menu-bg);
  transition: opacity var(--transition-duration) var(--transition-easing) 80%;
  opacity: 1;
}
#issue-mobile-menu .mobile-menu-close-box {
  background-color: #ffffff;
  display: none;
}

#issue-mobile-menu.mobile-menu-open .mobile-menu-open-box {
  display: none;
  opacity: 0;
}
#issue-mobile-menu.mobile-menu-open .mobile-menu-close-box {
  display: flex;
}

#issue-mobile-menu .issue-mobile-toc-container {
  max-height: 63vh;
  overflow: scroll;
  background-color: #ffffff;
}

#issue-mobile-menu.mobile-menu-open .issue-mobile-toc-container {
  display: block;
}

@keyframes mobile-menu-bounce {
  from,
  20%,
  53%,
  to {
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translateY(calc(100% - 40px));
  }

  40%,
  43% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translateY(calc(100% - 60px)) scaleY(1.1);
  }

  70% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translateY(calc(100% - 48px)) scaleY(1.05);
  }

  80% {
    transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translateY(calc(100% - 40px)) scaleY(0.95);
  }

  90% {
    transform: translateY(calc(100% - 44px)) scaleY(1.02);
  }
}