:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --accent-blue: #0b81a2;
  --accent-green: #36b700;
  --accent-amber: #f0c571;
  --accent-pink: #e25759;
  --accent-purple: #7E4794;
  --accent-cyan: #59a89c;
  --border-width: 2.5px;
  --shadow: 5px 5px 0px 0px var(--ink);
  --wobble: 255px 15px 225px 15px/15px 225px 15px 255px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  padding: 2rem;
  background-image: radial-gradient(var(--ink) 1px, transparent 1px);
  background-size: 30px 30px;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  width: 100%;
}

/* Universal Search Bar sticky to top left */
.universal-search {
  position: sticky;
  top: 1rem;
  z-index: 100;
  margin-bottom: 2rem;
  display: flex;
  justify-content: flex-end;
}

.universal-search input {
  width: 350px;
  background: var(--surface);
  border: var(--border-width) solid var(--ink);
  padding: 0.8rem 1.2rem;
  border-radius: 40px;
  font-family: 'Lexend', sans-serif;
  font-size: 1rem;
  box-shadow: 4px 4px 0px var(--ink);
  outline: none;
  transition: 0.2s;
}

.universal-search input:focus {
  box-shadow: 6px 6px 0px var(--accent-blue);
  transform: translateY(-2px);
}

h1,
h2,
h3,
h4 {
  font-family: 'Lexend', sans-serif;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.6rem;
  margin: 3.5rem 0 1.5rem;
  display: inline-block;
  background: var(--accent-amber);
  padding: 0.5rem 1.5rem;
  border: var(--border-width) solid var(--ink);
  box-shadow: 4px 4px 0px var(--ink);
  border-radius: var(--wobble);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  border-bottom: 2.5px dashed var(--ink);
  display: inline-block;
  padding-bottom: 0.2rem;
}

.bookmark-banner {
  background: var(--ink);
  color: #fff;
  padding: 0.5rem;
  text-align: center;
  font-family: Lexend;
  font-size: 0.8rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.card {
  background: var(--surface);
  border: var(--border-width) solid var(--ink);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.speakers {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.tag-speaker {
  background: var(--accent-blue);
  padding: 0.4rem 1rem;
  border: 2px solid var(--ink);
  border-radius: 40px;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-3 {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Sections Styles */
.sticker-box {
  background: var(--surface);
  border: var(--border-width) solid var(--ink);
  padding: 1.5rem;
  border-radius: 15px;
  box-shadow: 4px 4px 0px var(--ink);
  position: relative;
}

.sticker-box::before {
  content: '📍';
  position: absolute;
  top: -10px;
  left: 10px;
  font-size: 1.5rem;
}

/* Legal Map */
.legal-section {
  margin-top: 2rem;
}

.legal-item {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  border-left: 4px solid var(--ink);
}

.legal-item strong {
  display: block;
  font-family: 'Lexend';
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

/* Case Study */
.case-lab {
  background: #fffdf0;
  border: 3px solid var(--ink);
  padding: 2rem;
  border-radius: 25px;
  margin: 2rem 0;
  box-shadow: 6px 6px 0px var(--ink);
}

.reveal-btn {
  background: var(--ink);
  color: #fff;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 800;
  font-family: 'Lexend';
  transition: 0.2s;
}

.reveal-btn:hover {
  background: var(--accent-purple);
  color: var(--ink);
}

.answer {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: #fff;
  border: 2px dashed var(--ink);
  border-radius: 10px;
  animation: bounceIn 0.4s;
}

@keyframes bounceIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Audit Tables */
.audit-table-wrap {
  overflow-x: auto;
  border: var(--border-width) solid var(--ink);
  border-radius: 15px;
  margin: 1rem 0;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 800px;
}

th {
  background: #f8f9fa;
  padding: 1rem;
  border-bottom: var(--border-width) solid var(--ink);
  font-size: 0.75rem;
  text-align: left;
}

td {
  padding: 1rem;
  border-bottom: 1.5px solid #eee;
  font-size: 0.85rem;
  vertical-align: top;
}

/* Custom Checkboxes */
input[type="checkbox"] {
  width: 22px;
  height: 22px;
  cursor: pointer;
  accent-color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 4px;
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.check-row label {
  cursor: pointer;
  flex: 1;
}

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

.pill {
  padding: 0.2rem 0.6rem;
  border: 1.5px solid var(--ink);
  border-radius: 5px;
  font-size: 0.7rem;
  font-weight: 800;
  font-family: 'JetBrains Mono';
}

/* Database Controls */
.db-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.btn-filter {
  background: var(--surface);
  border: 2px solid var(--ink);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-family: 'Lexend';
  font-weight: 800;
  font-size: 0.7rem;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow: 2px 2px 0px var(--ink);
}

.btn-filter.active {
  background: var(--ink);
  color: #fff;
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px var(--ink);
}

.btn-main {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  padding: 1rem 2rem;
  border-radius: 15px;
  text-decoration: none;
  font-family: 'Lexend', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 6px 6px 0px var(--accent-amber);
  transition: 0.2s;
  border: 2px solid var(--ink);
  cursor: pointer;
  text-align: center;
}

.btn-main:hover {
  transform: translateY(-3px);
  box-shadow: 8px 8px 0px var(--accent-amber);
}

.btn-main:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--accent-amber);
}

.explorer-wrap {
  max-height: 500px;
  overflow-y: auto;
  border: var(--border-width) solid var(--ink);
  border-radius: 15px;
  background: var(--surface);
}

.cat-tag {
  font-family: 'JetBrains Mono';
  font-size: 0.65rem;
  font-weight: 700;
  background: #eee;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

footer {
  margin-top: 5rem;
  padding: 4rem;
  border-top: var(--border-width) solid var(--ink);
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--surface);
}

/* Colors */
.bg-blue {
  background-color: var(--accent-blue);
  color: #fff;
}

.bg-green {
  background-color: var(--accent-green);
  color: #fff;
}

.bg-pink {
  background-color: var(--accent-pink);
  color: #fff;
}

.bg-purple {
  background-color: var(--accent-purple);
  color: #fff;
}

.bg-amber {
  background-color: var(--accent-amber);
  color: var(--ink);
}

.bg-blue h3,
.bg-blue h4,
.bg-blue p,
.bg-blue .pill {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.bg-green h3,
.bg-green h4,
.bg-green p,
.bg-green .pill {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.bg-pink h3,
.bg-pink h4,
.bg-pink p,
.bg-pink .pill {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.bg-purple h3,
.bg-purple h4,
.bg-purple p,
.bg-purple .pill {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

/* Hide element for universal search */
.hidden {
  display: none !important;
}

.highlight-card {
  animation: glow-pulse 2s infinite alternate;
  border-color: var(--accent-blue) !important;
  box-shadow: 10px 10px 0px var(--accent-blue) !important;
}

@keyframes glow-pulse {
  from {
    border-color: var(--ink);
  }

  to {
    border-color: var(--accent-blue);
  }
}

.didactic-section {
  background: #fdfdfd;
  border: 3px solid var(--ink);
  padding: 2.5rem;
  border-radius: 30px;
  margin: 4rem 0;
  box-shadow: 8px 8px 0px var(--ink);
}

.prompt-matrix {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-top: 2rem;
}

.prompt-box {
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 15px;
  padding: 1.5rem;
  position: relative;
}

.prompt-box.bad {
  border-color: var(--accent-pink);
  background: #fff8f8;
}

.prompt-box.good {
  border-color: var(--accent-green);
  background: #f8fff8;
}

.prompt-header {
  font-weight: 800;
  font-size: 0.75rem;
  padding-bottom: 0.6rem;
  margin-bottom: 0.6rem;
  border-bottom: 1px dashed rgba(26, 26, 26, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copy-prompt-btn {
  background: var(--ink);
  color: #fff;
  border: none;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-family: 'Lexend', sans-serif;
  cursor: pointer;
  transition: 0.2s;
}

.copy-prompt-btn:hover {
  background: var(--accent-blue);
}

.prompt-content {
  font-family: 'JetBrains Mono';
  font-size: 0.85rem;
  line-height: 1.5;
  color: #444;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

.quiz-options {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.quiz-opt {
  background: var(--surface);
  border: 2px solid var(--ink);
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
  cursor: pointer;
  font-family: 'Inter';
  font-weight: 600;
  font-size: 0.9rem;
  transition: 0.1s;
  box-shadow: 3px 3px 0px var(--ink);
  text-align: left;
}

.quiz-opt:hover {
  background: #fcfcfc;
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--ink);
}

.quiz-opt.correct {
  background: var(--accent-green) !important;
  color: #fff;
  box-shadow: 0px 0px 0px var(--ink) !important;
  transform: translate(3px, 3px);
}

.quiz-opt.wrong {
  background: var(--accent-pink) !important;
  color: #fff;
  box-shadow: 0px 0px 0px var(--ink) !important;
  transform: translate(3px, 3px);
  opacity: 0.7;
}

.quiz-feedback {
  margin-top: 1rem;
  font-weight: 700;
  font-size: 0.85rem;
  display: none;
  padding: 1rem;
  border-radius: 10px;
  border: 2px solid var(--ink);
}

.protip-sticker {
  display: inline-block;
  background: var(--accent-amber);
  color: var(--ink);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 800;
  font-family: 'Lexend';
  margin-bottom: 0.5rem;
  border: 1px solid var(--ink);
}

/* Universal Progress Bar */
.learning-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 5px;
  width: 0%;
  background: var(--accent-blue);
  z-index: 1001;
  transition: width 0.3s;
}

/* ----- PRESENTER PHOTOS ----- */
.presenters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.presenter-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.6rem;
}

.presenter-photo {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0px var(--ink);
  object-fit: cover;
  background: #eee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  overflow: hidden;
}

.presenter-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.presenter-name {
  font-family: 'Lexend', sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  line-height: 1.2;
}

.presenter-role {
  font-size: 0.72rem;
  color: #666;
  font-weight: 600;
}

/* ----- LIMITATIONS BANNER ----- */
.limitations-banner {
  background: #fffbea;
  border: 2.5px solid var(--accent-amber);
  border-radius: 16px;
  padding: 1.2rem 1.5rem;
  margin: 2rem 0;
  box-shadow: 4px 4px 0px var(--accent-amber);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.limitations-banner .lim-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.limitations-banner h4 {
  font-family: 'Lexend', sans-serif;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.limitations-banner ul {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.8rem;
  color: #555;
  line-height: 1.6;
}

/* ----- BUY ME A COFFEE ----- */
.bmc-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #FFDD00;
  color: #000;
  border: 2px solid var(--ink);
  border-radius: 30px;
  padding: 0.35rem 0.85rem;
  font-family: 'Lexend', sans-serif;
  font-weight: 800;
  font-size: 0.72rem;
  text-decoration: none;
  box-shadow: 2px 2px 0px var(--ink);
  transition: 0.2s;
  white-space: nowrap;
}

.bmc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 3px 3px 0px var(--ink);
}

.bmc-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ----- SCROLL TO TOP ----- */
#scrollTopBtn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--ink);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  border: 3px solid var(--accent-blue);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 4px 4px 0px var(--ink);
  transition: 0.2s;
}
#scrollTopBtn:hover { transform: translateY(-5px); box-shadow: 6px 6px 0px var(--ink); }

.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  opacity: 0.8;
  transition: 0.2s;
  border-bottom: 2px solid transparent;
}

.footer-email:hover {
  opacity: 1;
  border-bottom-color: var(--accent-blue);
}

/* ----- MOBILE RESPONSIVENESS ----- */
@media (max-width: 768px) {
  body {
    padding: 0.75rem;
    overflow-x: hidden;
  }

  h1 {
    font-size: 1.6rem;
    word-break: break-word;
  }

  h2 {
    font-size: 1.15rem;
    padding: 0.4rem 0.8rem;
    margin: 2rem 0 1rem;
    max-width: 100%;
    word-break: break-word;
  }

  .card {
    padding: 1.2rem;
    border-radius: 12px;
    box-shadow: 4px 4px 0px var(--ink);
  }

  .universal-search {
    position: relative;
    top: 0;
    margin-bottom: 1rem;
    justify-content: center;
  }

  .universal-search input {
    width: 100%;
    max-width: 100%;
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .didactic-section {
    padding: 1rem;
    border-radius: 16px;
    margin: 1.5rem 0;
    box-shadow: 4px 4px 0px var(--ink);
    overflow-x: hidden;
  }

  .prompt-matrix {
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 100%;
    overflow-x: hidden;
  }

  .prompt-box {
    padding: 0.8rem;
    word-break: break-word;
  }

  .prompt-content {
    font-size: 0.75rem;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .anatomy-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1.5rem;
    border: 1px solid #eee;
    border-radius: 10px;
  }

  .anatomy-table table {
    min-width: 320px;
  }

  /* Improve horizontal scrolling experience */
  .explorer-wrap, .audit-table-wrap, .anatomy-table {
    -webkit-overflow-scrolling: touch;
    overflow-x: auto;
  }

  .sticker-box {
    box-shadow: 3px 3px 0px var(--ink);
  }

  .compass-wrap {
    gap: 0.6rem;
  }

  .compass-btn {
    padding: 0.6rem 0.9rem;
    font-size: 0.8rem;
    border-radius: 12px;
    gap: 0.4rem;
  }

  .compass-btn span {
    font-size: 1.1rem;
  }

  footer {
    padding: 2rem 1rem;
    margin-top: 2rem;
  }

  .speakers {
    justify-content: center;
  }

  .tag-speaker {
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
  }

  .explorer-wrap {
    max-height: 60vh; /* Scalable height based on device */
    border-radius: 12px;
    overscroll-behavior: contain; /* Prevents parent page from scrolling while inside table */
    -webkit-overflow-scrolling: touch;
    overflow-y: auto;
    overflow-x: auto;
  }

  .explorer-wrap table {
    min-width: 700px; /* Force horizontal scroll for data density */
  }

  .explorer-wrap th, .explorer-wrap td {
    padding: 0.5rem 0.75rem; /* Even tighter padding */
    font-size: 0.75rem;
    line-height: 1.3;
  }

  .db-controls {
    gap: 0.5rem;
  }

  .btn-filter {
    font-size: 0.65rem;
    padding: 0.3rem 0.6rem;
  }

  .case-lab {
    padding: 1.2rem;
    border-radius: 16px;
  }

  .presenters-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 1rem;
  }

  .presenter-photo {
    width: 90px;
    height: 90px;
  }

  .limitations-banner {
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
  }

  .audit-table-wrap {
    padding: 1rem !important;
  }
}

@media (max-width: 768px) {
  body { padding: 1rem; }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.3rem; margin: 2rem 0 1rem; width: 100%; text-align: center; }
  .grid-3, .grid-2 { grid-template-columns: 1fr !important; gap: 1.5rem !important; }
  .universal-search input { width: 100%; max-width: 100%; }
  
  /* Responsive Tables and Wrappers */
  .explorer-wrap, .audit-table-wrap, .anatomy-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 3px solid var(--ink);
    border-radius: 15px;
    margin-bottom: 2rem;
    background: #fff;
  }
  
  table { 
    min-width: 700px; /* Ensure tables have enough space to breathe on mobile */
  }

  .card { padding: 1.5rem; border-radius: 15px; }
  
  .didactic-section {
    padding: 1.5rem;
    margin: 2rem 0;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.35rem; }
  h2 { font-size: 1.1rem; padding: 0.4rem 1rem; }
  .card { padding: 1rem; }
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.modal-box {
  background: var(--surface);
  border: var(--border-width) solid var(--ink);
  border-radius: 20px;
  box-shadow: 10px 10px 0px var(--ink);
  padding: 2.5rem;
  max-width: 600px;
  width: 90%;
  position: relative;
  animation: bounceIn 0.3s;
}

.close-modal-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--ink);
  color: #fff;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 1.2rem;
  font-weight: 800;
  cursor: pointer;
  transition: 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-modal-btn:hover {
  background: var(--accent-pink);
}

/* Accordion items for STARD/QUADAS */
.opt {
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 0.8rem 1.2rem;
  cursor: pointer;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: 0.15s;
  box-shadow: 3px 3px 0px var(--ink);
}

.opt:hover {
  background: #fffcf0;
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--ink);
}

/* Colors */
.bg-blue {
  background-color: var(--accent-blue);
  color: #fff;
}