/* Graph & Node Minimal CSS Overrides (Pico CSS v2) */
:root {
  --pico-primary: #00f5c4;
  --pico-primary-hover: #00d4aa;
  --pico-primary-focus: rgba(0, 245, 196, 0.2);
}

body {
  background-color: #06070a;
  color: #e2e8f0;
  font-family: system-ui, -apple-system, sans-serif;
}

a {
  text-underline-offset: 4px;
}

article {
  background: #0c0e14 !important;
  border: 1px solid rgba(255, 255, 255, 0.06) !important;
  border-radius: 8px !important;
}

nav a {
  transition: opacity 0.2s ease;
}

nav a:hover {
  opacity: 0.85;
}

@media (max-width: 576px) {
  h1 { font-size: 2.25rem !important; }
  h2 { font-size: 1.75rem !important; }
}

/* Tree Section Styling */
.tree-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  align-items: center;
  gap: 2rem;
  margin-top: 2rem;
  position: relative;
}

.tree-card {
  background: #0c0e14 !important;
  border: 1px solid rgba(255, 255, 255, 0.06) !important;
  border-radius: 12px !important;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  z-index: 2;
}

.tree-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top left, rgba(0, 245, 196, 0.08), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.tree-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 245, 196, 0.3) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 245, 196, 0.05);
}

.tree-card:hover::before {
  opacity: 1;
}

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

.card-tag.tag-primary {
  border-color: rgba(0, 245, 196, 0.3);
  color: #00f5c4;
  background: rgba(0, 245, 196, 0.05);
}

.card-details {
  list-style: none;
  padding-left: 0;
  margin-top: 1.5rem;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-details li {
  font-size: 0.85rem;
  color: var(--pico-muted-color);
  position: relative;
  padding-left: 1.25rem;
}

.card-details li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: rgba(0, 245, 196, 0.6);
}

.tree-visual-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative; /* Establish positioning context for SVG overlay */
  animation: float 6s ease-in-out infinite;
}

.tree-main-graphic {
  width: 100%;
  max-width: 540px; /* Increased from 380px */
  height: auto;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  /* This filter converts the dark logo paths into the bright brand cyan #00f5c4 on our dark theme */
  filter: invert(72%) sepia(87%) saturate(3298%) hue-rotate(115deg) brightness(103%) contrast(105%);
  mix-blend-mode: screen; /* Blends out the inverted dark background of the PNG */
  opacity: 0.85;
}

/* Nav Logo Styling */
.nav-logo {
  height: 144px; /* Increased to 144px for a bigger logo */
  width: auto;
  vertical-align: middle;
  transition: all 0.3s ease;
  /* Inverts navbar logo to clean bright white/silver */
  filter: invert(1) brightness(1.5);
}

.nav-logo:hover {
  filter: invert(72%) sepia(87%) saturate(3298%) hue-rotate(115deg) brightness(103%) contrast(105%);
}

.drawer-logo {
  height: 120px;
  width: auto;
  vertical-align: middle;
  margin-bottom: 2rem;
  transition: all 0.3s ease;
  filter: invert(1) brightness(1.5);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.3s ease;
}

.drawer-logo:hover {
  filter: invert(72%) sepia(87%) saturate(3298%) hue-rotate(115deg) brightness(103%) contrast(105%);
}

.mobile-menu-drawer.open .drawer-logo {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.05s;
}

@media (max-width: 576px) {
  .nav-logo {
    height: 80px; /* Increased from 60px to scale nicely on smaller mobile screens */
  }
}

/* Connecting Pointer Lines Overlay */
.tree-overlay-svg {
  position: absolute;
  top: 0;
  left: -2rem; /* Spans across the gap to touch the card border */
  width: calc(100% + 4rem);
  height: 100%;
  pointer-events: none;
  z-index: 3;
  overflow: visible;
}

.pointer-line {
  stroke: rgba(0, 245, 196, 0.18);
  stroke-width: 1.5px;
  stroke-dasharray: 6, 6;
  fill: none;
  transition: all 0.4s ease;
}

.pointer-dot {
  fill: #06070a;
  stroke: rgba(0, 245, 196, 0.3);
  stroke-width: 1.5px;
  transition: all 0.4s ease;
}

.pointer-dot-target {
  fill: rgba(0, 245, 196, 0.3);
  stroke: rgba(0, 245, 196, 0.6);
  stroke-width: 1.5px;
  transition: all 0.4s ease;
}

/* Hover Interactivity for Pointers */
.tree-container:has(#card-canopy:hover) .canopy-path {
  stroke: #00f5c4;
  stroke-width: 2.5px;
  stroke-dasharray: 4, 4;
  filter: drop-shadow(0 0 6px rgba(0, 245, 196, 0.8));
  animation: flow-left 1.2s linear infinite;
}

.tree-container:has(#card-canopy:hover) .pointer-dot.canopy-dot {
  stroke: #00f5c4;
  fill: #00f5c4;
  filter: drop-shadow(0 0 4px rgba(0, 245, 196, 0.8));
}

.tree-container:has(#card-canopy:hover) .pointer-dot-target.canopy-dot {
  fill: #00f5c4;
  stroke: #00f5c4;
  r: 4.5px;
  filter: drop-shadow(0 0 8px rgba(0, 245, 196, 1));
}

.tree-container:has(#card-roots:hover) .roots-path {
  stroke: #00f5c4;
  stroke-width: 2.5px;
  stroke-dasharray: 4, 4;
  filter: drop-shadow(0 0 6px rgba(0, 245, 196, 0.8));
  animation: flow-right 1.2s linear infinite;
}

.tree-container:has(#card-roots:hover) .pointer-dot.roots-dot {
  stroke: #00f5c4;
  fill: #00f5c4;
  filter: drop-shadow(0 0 4px rgba(0, 245, 196, 0.8));
}

.tree-container:has(#card-roots:hover) .pointer-dot-target.roots-dot {
  fill: #00f5c4;
  stroke: #00f5c4;
  r: 4.5px;
  filter: drop-shadow(0 0 8px rgba(0, 245, 196, 1));
}

@keyframes flow-left {
  to {
    stroke-dashoffset: -20;
  }
}

@keyframes flow-right {
  to {
    stroke-dashoffset: 20;
  }
}

/* Float Animation */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

/* Two-way Interactivity using :has() */

/* 1. Hover Card Canopy -> Highlight Canopy with a soft tech glow */
.tree-container:has(#card-canopy:hover) .tree-main-graphic {
  opacity: 1;
  filter: invert(72%) sepia(87%) saturate(3298%) hue-rotate(115deg) brightness(115%) contrast(105%) drop-shadow(0 0 20px rgba(0, 245, 196, 0.4));
  transform: scale(1.03);
}

/* 2. Hover Card Roots -> Highlight Roots with a deep graph glow */
.tree-container:has(#card-roots:hover) .tree-main-graphic {
  opacity: 1;
  filter: invert(72%) sepia(87%) saturate(3298%) hue-rotate(115deg) brightness(125%) contrast(105%) drop-shadow(0 0 30px rgba(0, 245, 196, 0.6));
  transform: scale(1.03);
}

/* 3. Hover Tree Graphic -> Highlight both Canopy and Roots cards */
.tree-container:has(.tree-main-graphic:hover) #card-canopy,
.tree-container:has(.tree-main-graphic:hover) #card-roots {
  border-color: rgba(0, 245, 196, 0.25) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 245, 196, 0.03);
}

/* Mobile Responsiveness & Mobile Menu */

.mobile-hamburger-wrapper {
  display: none;
}

.mobile-menu-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(6, 7, 10, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-20px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu-drawer.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu-content {
  width: 100%;
  text-align: center;
  padding: 2rem;
}

.mobile-menu-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.mobile-menu-links li {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
}

/* Premium staggered fade-in */
.mobile-menu-drawer.open .mobile-menu-links li:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-drawer.open .mobile-menu-links li:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu-drawer.open .mobile-menu-links li:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu-drawer.open .mobile-menu-links li:nth-child(4) { transition-delay: 0.25s; }

.mobile-menu-drawer.open .mobile-menu-links li {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu-links a {
  font-size: 1.8rem;
  font-weight: 500;
  color: #e2e8f0;
  text-decoration: none;
  transition: color 0.3s ease;
  display: inline-block;
  padding: 0.5rem 1.5rem;
}

.mobile-menu-links a:hover {
  color: var(--pico-primary);
}

/* Call to Action Button in Drawer */
.mobile-menu-links a[role="button"] {
  background-color: var(--pico-primary);
  color: #06070a !important;
  border-radius: 8px;
  padding: 0.75rem 2rem;
  font-weight: 600;
  font-size: 1.5rem;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 245, 196, 0.2);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.mobile-menu-links a[role="button"]:hover {
  background-color: var(--pico-primary-hover);
  transform: scale(1.02);
}

/* Lock page scroll when menu is active */
body.menu-open {
  overflow: hidden !important;
  position: fixed;
  width: 100%;
}

@media (max-width: 992px) {
  .desktop-menu {
    display: none !important;
  }

  .mobile-hamburger-wrapper {
    display: flex !important;
    align-items: center;
    margin: 0;
    padding: 0;
  }

  .hamburger-btn {
    display: block !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer;
    width: 48px;
    height: 48px;
    position: relative;
    z-index: 1000;
    padding: 0;
    margin: 0;
    box-shadow: none !important;
    outline: none !important;
  }

  .hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--pico-primary);
    position: absolute;
    left: 12px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.3s ease;
  }

  .hamburger-line:nth-child(1) {
    top: 17px;
  }

  .hamburger-line:nth-child(2) {
    top: 24px;
  }

  .hamburger-line:nth-child(3) {
    top: 31px;
  }

  /* Morphing hamburger lines to 'X' shape */
  .hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: #ffffff;
  }

  .hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background-color: #ffffff;
  }

  header nav {
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .nav-logo {
    height: 100px; /* Scaled down for tablet viewports */
  }

  .tree-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .tree-visual-wrapper {
    order: -1;
    max-width: 320px;
    margin: 0 auto;
  }

  .tree-overlay-svg {
    display: none;
  }
}

/* Lexicon UI Styling */

.nav-title {
  font-family: system-ui, -apple-system, sans-serif;
  letter-spacing: 1px;
}

.filters-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.4);
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  font-size: 0.75rem !important;
  padding: 0.35rem 0.85rem !important;
  border-radius: 50px !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  background: rgba(255, 255, 255, 0.02) !important;
  color: rgba(226, 232, 240, 0.8) !important;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  margin-bottom: 0 !important;
  width: auto !important;
  height: auto !important;
  font-weight: 500 !important;
  box-shadow: none !important;
  outline: none !important;
}

.pill:hover {
  background: rgba(255, 255, 255, 0.06) !important;
  border-color: rgba(0, 245, 196, 0.25) !important;
  color: #fff !important;
}

.pill.active {
  background: var(--pico-primary) !important;
  color: #06070a !important;
  border-color: var(--pico-primary) !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 12px rgba(0, 245, 196, 0.15) !important;
}

/* Lexicon Grid & Cards */
.lexicon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.term-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #0c0e14 !important;
  border: 1px solid rgba(255, 255, 255, 0.06) !important;
  border-radius: 12px !important;
  padding: 1.75rem !important;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
  cursor: pointer;
  margin-bottom: 0 !important;
  position: relative;
  overflow: hidden;
  height: 100%;
}

.term-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top left, rgba(0, 245, 196, 0.06), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.term-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 245, 196, 0.35) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45), 0 0 20px rgba(0, 245, 196, 0.05);
}

.term-card:hover::before {
  opacity: 1;
}

.term-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.term-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.risk-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.risk-badge.high {
  background: rgba(239, 68, 68, 0.1) !important;
  color: #ef4444 !important;
  border: 1px solid rgba(239, 68, 68, 0.2) !important;
}

.risk-badge.medium {
  background: rgba(245, 158, 11, 0.1) !important;
  color: #f59e0b !important;
  border: 1px solid rgba(245, 158, 11, 0.2) !important;
}

.risk-badge.low {
  background: rgba(16, 185, 129, 0.1) !important;
  color: #10b981 !important;
  border: 1px solid rgba(16, 185, 129, 0.2) !important;
}

.term-card-body h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: #ffffff;
  line-height: 1.25;
}

.term-card-body p {
  font-size: 0.9rem;
  color: var(--pico-muted-color);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  /* Limit to 3 lines */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.term-card-footer {
  display: flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pico-primary);
  margin-top: auto;
}

.term-card-footer span {
  transition: transform 0.2s ease;
  margin-left: 0.25rem;
}

.term-card:hover .term-card-footer span {
  transform: translateX(4px);
}

/* Sliding details drawer styling */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(6, 7, 10, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1090;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.details-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 520px;
  height: 100vh;
  background: rgba(12, 14, 20, 0.96) !important;
  border-left: 1px solid rgba(255, 255, 255, 0.08) !important;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6) !important;
  z-index: 1100;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.details-drawer.open {
  transform: translateX(0);
}

.drawer-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.close-btn {
  background: transparent !important;
  border: none !important;
  color: rgba(255, 255, 255, 0.5) !important;
  font-size: 2.25rem !important;
  cursor: pointer;
  padding: 0 !important;
  line-height: 1 !important;
  margin: 0 !important;
  width: auto !important;
  height: auto !important;
  box-shadow: none !important;
  transition: color 0.2s ease;
}

.close-btn:hover {
  color: #fff !important;
}

.drawer-body {
  padding: 2rem;
  flex: 1;
  overflow-y: auto;
}

.drawer-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.drawer-badge.high {
  background: rgba(239, 68, 68, 0.1) !important;
  color: #ef4444 !important;
  border-color: rgba(239, 68, 68, 0.2) !important;
}

.drawer-badge.medium {
  background: rgba(245, 158, 11, 0.1) !important;
  color: #f59e0b !important;
  border-color: rgba(245, 158, 11, 0.2) !important;
}

.drawer-badge.low {
  background: rgba(16, 185, 129, 0.1) !important;
  color: #10b981 !important;
  border-color: rgba(16, 185, 129, 0.2) !important;
}

.drawer-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.75rem;
}

.healthcare-alert {
  background: rgba(0, 245, 196, 0.03) !important;
  border: 1px solid rgba(0, 245, 196, 0.15) !important;
  border-radius: 8px !important;
  padding: 1.25rem !important;
  margin-bottom: 2rem !important;
}

.drawer-links-list {
  list-style: none !important;
  padding-left: 0 !important;
  margin: 0 !important;
}

.drawer-links-list li {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.drawer-links-list a {
  color: var(--pico-primary) !important;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.drawer-links-list a:hover {
  text-decoration: underline !important;
}

.related-terms-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.related-node-btn {
  font-size: 0.75rem !important;
  padding: 0.3rem 0.75rem !important;
  background: rgba(255, 255, 255, 0.03) !important;
  color: #e2e8f0 !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 4px !important;
  cursor: pointer;
  transition: all 0.2s ease !important;
  margin: 0 !important;
  width: auto !important;
  height: auto !important;
}

.related-node-btn:hover {
  background: rgba(0, 245, 196, 0.05) !important;
  border-color: var(--pico-primary) !important;
  color: var(--pico-primary) !important;
}

/* Mobile styles for Drawer */
@media (max-width: 576px) {
  .details-drawer {
    max-width: 100%;
  }
  
  .drawer-body {
    padding: 1.5rem;
  }
}

.term-card.hidden {
  display: none !important;
}