/* Folds Page Styles - Dark Industrial Aesthetic */

/* Page header */
.folds-page {
  max-width: 100%;
  padding-top: 4rem;
}

.folds-header {
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.folds-header h1 {
  font-family: var(--font-mono);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
}

.folds-description {
  color: var(--text-secondary);
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.65;
}

/* Grid layout for fold cards */
.folds-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .folds-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
  }
}

/* Fold card styling - beveled design */
.fold-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  padding: 1.5rem;
  transition: border-color 0.2s ease, background 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}

.fold-card:hover {
  border-color: var(--accent-primary);
  background: var(--surface-3);
}

/* Card header with title and badges */
.fold-card__header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.fold-card__title {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text-primary);
  line-height: 1.3;
}

.fold-card:hover .fold-card__title {
  color: var(--accent-primary);
}

.fold-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

/* Tag styling for disease */
.tag {
  display: inline-block;
  background: var(--surface-3);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.fold-card:hover .tag {
  background: var(--surface-1);
}

/* Variant badge styling */
.variant-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-primary);
  background: transparent;
  border: 1.5px solid var(--accent-primary);
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.02em;
}

/* Card metadata footer */
.fold-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

/* Confidence indicator */
.fold-card__confidence {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.confidence-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.confidence-high {
  background: var(--confidence-high);
  box-shadow: 0 0 8px rgba(0, 212, 170, 0.5);
}

.confidence-medium {
  background: var(--confidence-medium);
  box-shadow: 0 0 8px rgba(212, 168, 0, 0.5);
}

.confidence-low {
  background: var(--confidence-low);
  box-shadow: 0 0 8px rgba(255, 68, 102, 0.5);
}

.confidence-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.fold-card__date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--surface-1);
  border: 1px solid var(--border);
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.empty-state p {
  color: var(--text-tertiary);
  font-size: 15px;
  margin: 0;
}

/* Load more button container */
.load-more-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.load-more-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.75rem 2rem;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: not-allowed;
  transition: all 0.15s ease;
}

.load-more-btn:not(:disabled) {
  cursor: pointer;
}

.load-more-btn:not(:disabled):hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.load-more-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin: 0;
}

/* Search and filter form */
.search-filters {
  background: var(--surface-1);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 2rem;
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.search-filters__row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.search-filters__row:last-child {
  margin-bottom: 0;
}

.search-filters__field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-width: 150px;
}

.search-filters__field--search {
  flex: 2;
}

.search-filters__field--actions {
  flex-direction: row;
  align-items: flex-end;
}

.search-filters label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.search-filters input,
.search-filters select {
  background: var(--surface-0);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-primary);
  transition: border-color 0.15s ease;
}

.search-filters input:focus,
.search-filters select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.search-filters input::placeholder {
  color: var(--text-tertiary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn--primary {
  background: var(--accent-primary);
  color: var(--surface-0);
}

.btn--primary:hover {
  background: var(--accent-secondary);
  color: var(--surface-0);
}

.btn--secondary {
  background: var(--surface-2);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .folds-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .fold-card {
    padding: 1.25rem;
  }

  .fold-card__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .search-filters__row {
    flex-direction: column;
  }

  .search-filters__field {
    min-width: 100%;
  }

  .search-filters__field--actions {
    flex-direction: column;
  }

  .search-filters__field--actions .btn {
    width: 100%;
  }
}

/* ========================================
   Fold Detail Page
   ======================================== */

.fold-detail {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 1rem 0 1rem;
}

@media (min-width: 768px) {
  .fold-detail {
    padding: 4rem 2rem 0 2rem;
  }
}

.fold-detail__header {
  margin-bottom: 2rem;
}

.fold-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-tertiary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  transition: color 0.15s ease;
}

.fold-detail__back:hover {
  color: var(--accent-primary);
}

.fold-detail__title {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  margin: 0 0 1rem 0;
  color: var(--text-primary);
}

.fold-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.fold-detail__date {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Tags */
.tag--variant {
  background: transparent;
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  font-family: var(--font-mono);
}

.tag--disease {
  background: var(--surface-2);
  color: var(--text-secondary);
}

.tag--uniprot {
  background: var(--surface-1);
  color: var(--text-tertiary);
  border: 1px solid var(--border);
}

/* Confidence display */
.fold-detail__confidence {
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--surface-1);
  border: 1px solid var(--border);
  width: fit-content;
}

.confidence-label {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.confidence-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
}

.confidence-value--high {
  color: var(--confidence-high);
}

.confidence-value--medium {
  color: var(--confidence-medium);
}

.confidence-value--low {
  color: var(--confidence-low);
}

/* Sections */
.fold-detail__section {
  margin-bottom: 3rem;
}

.fold-detail__section h2 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 1.5rem 0;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
}

.fold-detail__empty {
  color: var(--text-tertiary);
  font-style: italic;
  padding: 2rem;
  text-align: center;
  background: var(--surface-1);
  border: 1px solid var(--border);
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

/* AI Summary - Beveled card */
.fold-detail__summary {
  background: var(--surface-2);
  border: 1px solid var(--border);
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  padding: 1.5rem 2rem;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

/* PNG Grid */
.fold-detail__pngs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.fold-detail__figure {
  margin: 0;
  background: var(--surface-1);
  border: 1px solid var(--border);
  overflow: hidden;
}

.fold-detail__figure img {
  width: 100%;
  height: auto;
  display: block;
}

.fold-detail__figure figcaption {
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
  border-top: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Notes Editor */
.notes-editor {
  background: var(--surface-1);
  border: 1px solid var(--border);
  padding: 1rem;
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.notes-editor__textarea {
  width: 100%;
  min-height: 150px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--surface-0);
  border: 1px solid var(--border);
  resize: vertical;
  transition: border-color 0.15s ease;
}

.notes-editor__textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.notes-editor__textarea::placeholder {
  color: var(--text-tertiary);
}

.notes-editor__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.notes-editor__status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.notes-editor__status--saving {
  color: var(--text-tertiary);
}

.notes-editor__status--success {
  color: var(--confidence-high);
}

.notes-editor__status--error {
  color: var(--confidence-low);
}

/* Viewer Help Box */
.viewer-help {
  margin-top: 1rem;
}

.viewer-help__mobile-note {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--confidence-medium);
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

@media (max-width: 768px) {
  .viewer-help__mobile-note {
    display: flex;
  }
}

.viewer-help__details {
  background: var(--surface-1);
  border: 1px solid var(--border);
}

.viewer-help__summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: color 0.15s ease, background 0.15s ease;
  list-style: none;
}

.viewer-help__summary::-webkit-details-marker {
  display: none;
}

.viewer-help__summary:hover {
  color: var(--text-secondary);
  background: var(--surface-2);
}

.viewer-help__icon {
  font-size: 14px;
}

.viewer-help__content {
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.viewer-help__content p {
  margin: 0 0 1rem 0;
}

.viewer-help__content p:last-child {
  margin-bottom: 0;
}

.viewer-help__content a {
  color: var(--accent-primary);
  text-decoration: none;
}

.viewer-help__content a:hover {
  text-decoration: underline;
}

.viewer-help__controls-title {
  margin-bottom: 0.5rem !important;
  font-weight: 600;
  color: var(--text-primary);
}

.viewer-help__controls {
  margin: 0 0 1rem 0;
  padding-left: 1.25rem;
}

.viewer-help__controls li {
  margin-bottom: 0.35rem;
}

.viewer-help__controls li:last-child {
  margin-bottom: 0;
}

/* ========================================
   Publication-Quality Summary Sections
   ======================================== */

.summary-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* TLDR Section - Prominent styling */
.summary-tldr {
  background: var(--surface-1);
  border-left: 4px solid var(--accent-primary);
  padding: 1.25rem 1.5rem;
}

.summary-tldr h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin: 0 0 0.75rem 0;
}

.summary-tldr p {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-primary);
  margin: 0;
}

/* Detailed Analysis Section */
.summary-detailed {
  padding: 0;
}

.summary-detailed h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 1rem 0;
}

.summary-content {
  line-height: 1.75;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

/* Inline citations [N] styling */
.summary-content a[href^="#cite-"] {
  color: var(--accent-primary);
  font-weight: 500;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.summary-content a[href^="#cite-"]:hover {
  text-decoration: underline;
}

/* Works Cited Section */
.works-cited {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  margin-top: 0.5rem;
}

.works-cited h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 1rem 0;
}

.citation-list {
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

.citation-list a {
  color: var(--accent-primary);
  text-decoration: none;
}

.citation-list a:hover {
  text-decoration: underline;
}

/* Similar Research Section */
.similar-research {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  margin-top: 0.5rem;
}

.similar-research h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 1rem 0;
}

.similar-papers {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  white-space: pre-wrap;
  line-height: 1.7;
  color: var(--text-secondary);
}

.similar-papers strong {
  color: var(--text-primary);
  font-weight: 600;
}

.similar-papers em {
  color: var(--text-tertiary);
  font-style: italic;
}

.similar-papers a {
  color: var(--accent-primary);
  text-decoration: none;
}

.similar-papers a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .fold-detail__pngs {
    grid-template-columns: 1fr;
  }
}