/* ---------- Visualization Modal ---------- */
/*
 * Modal overlay for interactive visualizations
 * Includes accessibility features: keyboard nav, focus trap, ARIA
 */

/* Clickable visualization cards */
.viz-card {
  cursor: pointer;
  outline: none;
}

.viz-card:focus {
  outline: 2px solid rgba(0, 102, 255, 0.5);
  outline-offset: 4px;
}

/* Modal container - hidden by default */
.viz-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  overflow: hidden;
}

.viz-modal[aria-hidden="false"] {
  display: block;
}

/* Semi-transparent backdrop */
.viz-modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.425);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

/* Main modal content container */
.viz-modal-content {
  position: relative;
  width: 90%;
  max-width: 1200px;
  max-height: 85vh;
  margin: 5vh auto;
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  overflow: hidden;
  animation: slideUp 0.4s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Close button */
.viz-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  color: #1d1d1f;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.viz-modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  transform: rotate(90deg);
}

.viz-modal-close:focus {
  outline: 2px solid rgba(0, 102, 255, 0.5);
  outline-offset: 2px;
}

/* Modal header */
.viz-modal-header {
  padding: 30px 80px 20px 30px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  background: rgba(0, 0, 0, 0.02);
}

.modal-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.viz-modal-header h2 {
  font-size: 24px;
  font-weight: 600;
  color: #1d1d1f;
  margin: 0;
  letter-spacing: -0.02em;
  flex: 1;
}

.cv-title-section {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
}

.cv-modal-links {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-shrink: 0;
}

.cv-link-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0066FF;
  border-radius: 8px;
  color: #FFFFFF;
  font-size: 18px;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(0, 102, 255, 0.2);
}

.cv-link-icon:hover {
  background: #0052CC;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 102, 255, 0.3);
}

/* Modal body - scrollable content area */
.viz-modal-body {
  padding: 30px;
  overflow-y: auto;
  flex: 1;
}

/* Description text */
#viz-modal-description {
  font-size: 15px;
  line-height: 1.6;
  color: #6E6E73;
  margin-bottom: 30px;
  font-weight: 300;
}

/* Visualization canvas container */
#viz-canvas-container {
  width: 100%;
  min-height: 400px;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Loading state */
#viz-canvas-container.loading::after {
  content: "Loading visualization...";
  color: #86868B;
  font-size: 14px;
  font-style: italic;
}

/* Canvas element styling */
#viz-canvas-container canvas,
#viz-canvas-container svg {
  max-width: 100%;
  max-height: 500px;
  display: block;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .viz-modal-content {
    width: 95%;
    max-height: 90vh;
    margin: 3vh auto;
  }

  .viz-modal-header {
    padding: 20px 60px 15px 20px;
  }

  .viz-modal-header h2 {
    font-size: 20px;
  }

  .viz-modal-body {
    padding: 20px;
  }

  .viz-modal-close {
    width: 36px;
    height: 36px;
    font-size: 20px;
    top: 15px;
    right: 15px;
  }

  #viz-modal-description {
    font-size: 14px;
    margin-bottom: 20px;
  }

  #viz-canvas-container {
    min-height: 300px;
  }
}

@media (max-width: 480px) {
  .viz-modal-content {
    width: 100%;
    max-height: 100vh;
    margin: 0;
    border-radius: 0;
  }

  .viz-modal-header h2 {
    font-size: 18px;
  }

  #viz-canvas-container {
    min-height: 250px;
  }
}

/* ---------- Modal Language Toggle ---------- */
/* Language toggle visibility control */
.viz-modal-body.lang-en-active .lang-ko {
  display: none;
}

.viz-modal-body.lang-en-active .lang-en {
  display: inline;
}

.viz-modal-body.lang-ko-active .lang-en {
  display: none;
}

.viz-modal-body.lang-ko-active .lang-ko {
  display: inline;
}

/* Default state - show Korean */
.viz-modal-body .lang-en {
  display: none;
}

.viz-modal-body .lang-ko {
  display: inline;
}

/* ---------- CV Modal ---------- */
.cv-modal-content {
  max-width: 900px;
}

.cv-content {
  text-align: left;
}

.cv-section {
  margin-bottom: 30px;
}

.cv-section h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1d1d1f;
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  text-align: left;
}

.cv-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cv-section li {
  margin-bottom: 12px;
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
  font-size: 14px;
  color: #6E6E73;
  text-align: left;
}

.cv-section li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #86868B;
}

.cv-section p {
  font-size: 14px;
  line-height: 1.6;
  color: #6E6E73;
  margin: 0;
  text-align: left;
}

/* ---------- Publication Overview Modal ---------- */
.overview-modal-content {
  max-width: 900px;
}

.overview-content {
  font-size: 15px;
  line-height: 1.7;
  color: #1d1d1f;
}

.overview-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: #4ECDC4;
  margin: 25px 0 15px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(78, 205, 196, 0.3);
}

.overview-content h3:first-child {
  margin-top: 0;
}

.overview-content p {
  margin-bottom: 15px;
  color: #6E6E73;
}

.overview-content ul,
.overview-content ol {
  margin-bottom: 15px;
  padding-left: 25px;
}

.overview-content li {
  margin-bottom: 8px;
  color: #6E6E73;
}

.overview-content strong {
  color: #1d1d1f;
  font-weight: 600;
}

.overview-content em {
  color: rgba(78, 205, 196, 0.9);
  font-style: normal;
}

.overview-highlight {
  background: rgba(78, 205, 196, 0.1);
  border-left: 3px solid #4ECDC4;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
}

.overview-highlight p {
  margin: 0;
}

/* Overview sections */
.overview-section {
  margin-bottom: 30px;
}

.overview-section h3 {
  font-size: 18px;
  font-weight: 600;
  color: #4ECDC4;
  margin: 25px 0 15px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(78, 205, 196, 0.3);
}

.overview-section h4 {
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin: 15px 0 10px 0;
}

/* Chart containers */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 20px 0;
}

.chart-container {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 16px;
  min-width: 0;
  overflow: hidden;
  max-height: 280px;
}

.chart-container canvas {
  max-width: 70%;
  max-height: 200px !important;
  height: auto !important;
}

.chart-container h4 {
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 14px;
  text-align: center;
  color: #1d1d1f;
}

.chart-caption {
  font-size: 12px;
  color: #86868B;
  margin-top: 10px;
  line-height: 1.5;
  text-align: center;
}

/* Context stats */
.context-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin: 20px 0;
}

.stat-box {
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid rgba(78, 205, 196, 0.3);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.stat-number {
  font-size: 28px;
  font-weight: 700;
  color: #4ECDC4;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 12px;
  color: #6E6E73;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Methodology list */
.methodology-list {
  list-style: none;
  padding-left: 0;
}

.methodology-list li {
  background: rgba(0, 0, 0, 0.02);
  border-left: 3px solid rgba(78, 205, 196, 0.5);
  padding: 12px 15px;
  margin-bottom: 10px;
  border-radius: 4px;
}

/* Results list */
.results-list {
  counter-reset: results-counter;
  list-style: none;
  padding-left: 0;
}

.results-list li {
  counter-increment: results-counter;
  position: relative;
  padding-left: 50px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.results-list li:last-child {
  border-bottom: none;
}

.results-list li::before {
  content: counter(results-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 35px;
  height: 35px;
  background: rgba(78, 205, 196, 0.2);
  color: #4ECDC4;
  border: 2px solid rgba(78, 205, 196, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

/* Implications grid */
.implications-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 20px 0;
}

.implication-box {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 20px;
}

.implication-box h4 {
  color: #4ECDC4;
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 16px;
}

.implication-box ul {
  list-style: none;
  padding-left: 0;
}

.implication-box li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
}

.implication-box li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: #4ECDC4;
  font-weight: bold;
}

/* Innovation box */
.innovation-box {
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
  border: 1px solid rgba(78, 205, 196, 0.3);
  border-radius: 8px;
  padding: 20px;
  margin-top: 30px;
}

.innovation-box h3 {
  border-bottom: none;
  color: #4ECDC4;
  margin-top: 0;
}

/* Responsive design for charts */
@media (max-width: 768px) {
  .chart-grid {
    grid-template-columns: 1fr;
  }

  .context-stats {
    grid-template-columns: 1fr;
  }

  .implications-grid {
    grid-template-columns: 1fr;
  }

  /* CV modal header - mobile layout */
  .modal-header-top {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .cv-title-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .viz-modal-header h2 {
    font-size: 20px;
    line-height: 1.2;
  }

  /* Hide CV modal links on mobile */
  .cv-modal-links {
    display: none;
  }
}