/* Red Stag-style document viewer — used by every /sample/d/{id}/ page */

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: #1F1A14;
  color: #1F1A14;
  font-size: 14px;
}

.viewer-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
}

/* HEADER */
.viewer-header {
  background: linear-gradient(180deg, #2C2620 0%, #1F1A14 100%);
  color: #F5EFE6;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #C76647;
}
.viewer-header .brand {
  font-family: 'Bitter', Georgia, serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #F5EFE6;
  text-decoration: none;
}
.viewer-header .brand .dot { color: #C76647; }
.viewer-header .breadcrumb {
  font-size: 0.78rem;
  color: #C8B8A0;
}
.viewer-header .breadcrumb a {
  color: #C8B8A0;
  text-decoration: none;
}
.viewer-header .breadcrumb a:hover { color: #F5EFE6; }
.viewer-header .actions { display: flex; gap: 0.5rem; }
.viewer-header .actions a {
  color: #F5EFE6;
  background: rgba(245,239,230,0.12);
  padding: 0.35rem 0.8rem;
  border-radius: 2px;
  font-size: 0.78rem;
  text-decoration: none;
  border: 1px solid rgba(245,239,230,0.18);
}
.viewer-header .actions a:hover { background: rgba(245,239,230,0.22); }

/* MAIN — left sidebar | doc center | right sidebar (mirrored width) */
.viewer-main {
  display: grid;
  grid-template-columns: 300px 1fr 300px;
  background: #f4ede0;
  overflow: hidden;
}
@media (max-width: 1100px) {
  .viewer-main { grid-template-columns: 280px 1fr; }
  .viewer-sidebar.right { display: none; }
}
@media (max-width: 800px) {
  .viewer-main { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
}
.viewer-sidebar.right {
  border-right: 0;
  border-left: 1px solid #C8B8A0;
  background: #EFE6D6;
}
.viewer-sidebar.right .ocr-block {
  background: #F5EFE6;
  border: 1px dashed #C8B8A0;
  padding: 0.55rem 0.65rem;
  margin-top: 0.4rem;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Monaco, monospace;
  font-size: 0.7rem;
  line-height: 1.5;
  color: #2C2825;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow-y: auto;
}

/* SIDEBAR */
.viewer-sidebar {
  background: #EFE6D6;
  border-right: 1px solid #C8B8A0;
  padding: 1.25rem 1rem;
  overflow-y: auto;
  font-size: 0.85rem;
}
.viewer-sidebar h3 {
  font-family: 'Bitter', Georgia, serif;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8C6A4A;
  margin: 1.25rem 0 0.45rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px dashed #C8B8A0;
  font-weight: 700;
}
.viewer-sidebar h3:first-child { margin-top: 0; }
.viewer-sidebar .field {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(200,184,160,0.3);
}
.viewer-sidebar .field:last-child { border-bottom: 0; }
.viewer-sidebar .field .k {
  font-size: 0.72rem;
  color: #4A413A;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.viewer-sidebar .field .v {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Monaco, monospace;
  font-size: 0.78rem;
  color: #1F1A14;
  text-align: right;
  word-break: break-word;
  font-weight: 600;
}
.viewer-sidebar .field .v.long {
  font-family: 'Bitter', Georgia, serif;
  font-size: 0.82rem;
  font-weight: 400;
  text-align: left;
  flex: 1;
}
.viewer-sidebar .filename {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Monaco, monospace;
  font-size: 0.72rem;
  color: #7B2D26;
  background: #fff;
  padding: 0.5rem 0.6rem;
  border: 1px solid #C8B8A0;
  border-radius: 2px;
  word-break: break-all;
  margin-top: 0.5rem;
}
.viewer-sidebar .abstractor-note {
  background: #FBF7EE;
  border-left: 3px solid #C76647;
  padding: 0.6rem 0.75rem;
  margin-top: 0.5rem;
  font-family: 'Bitter', Georgia, serif;
  font-style: italic;
  color: #4A413A;
  font-size: 0.85rem;
  line-height: 1.45;
}

/* DOC AREA */
.viewer-doc {
  background: #f4ede0;
  display: grid;
  grid-template-rows: 1fr;
  overflow: hidden;
  position: relative;
}
.viewer-doc .doc-pane {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  height: 100%;
}
.viewer-doc .doc-pane .ocr-panel { display: none; } /* OCR moved to right sidebar */

/* PDF panel */
.pdf-panel {
  background: #c8c0b0;
  padding: 1rem;
  overflow-y: auto;
  border-right: 1px solid #B8A88C;
}
.pdf-panel .label {
  font-family: 'Bitter', Georgia, serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #4A413A;
  margin-bottom: 0.6rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.pdf-panel .label .pgnav {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: #7B2D26;
}
.pdf-page {
  background: #fff;
  border: 1px solid #888;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  padding: 2.5rem 2.25rem;
  font-family: 'Times New Roman', Times, serif;
  font-size: 0.92rem;
  line-height: 1.65;
  color: #1F1A14;
  margin: 0 auto 1rem;
  max-width: 700px;
  min-height: 880px;
}
.pdf-page h1 {
  font-family: 'Times New Roman', Times, serif;
  text-align: center;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  margin-bottom: 0.35rem;
  font-weight: 700;
  text-transform: uppercase;
}
.pdf-page h2 {
  font-family: 'Times New Roman', Times, serif;
  text-align: center;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.pdf-page p { margin-bottom: 0.85rem; text-indent: 1.5rem; text-align: justify; }
.pdf-page p.center { text-align: center; text-indent: 0; }
.pdf-page p.no-indent { text-indent: 0; }
.pdf-page .signature-block {
  margin-top: 2rem;
  font-size: 0.88rem;
  text-indent: 0;
}
.pdf-page .signature-line {
  border-top: 1px solid #1F1A14;
  width: 240px;
  margin-top: 1.5rem;
  padding-top: 0.2rem;
  font-size: 0.78rem;
}
.pdf-page .vol-page {
  position: relative;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: #4A413A;
  text-align: right;
  margin-bottom: 1rem;
}
.pdf-page hr {
  border: 0; border-top: 1px solid #C8B8A0; margin: 1.25rem 0;
}

/* OCR panel */
.ocr-panel {
  background: #f4ede0;
  padding: 1rem;
  overflow-y: auto;
}
.ocr-panel .label {
  font-family: 'Bitter', Georgia, serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #4A413A;
  margin-bottom: 0.6rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
}
.ocr-panel .label .conf {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: #7B2D26;
}
.ocr-text {
  background: #fff;
  border: 1px solid #C8B8A0;
  padding: 1rem 1.25rem;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Monaco, monospace;
  font-size: 0.78rem;
  line-height: 1.65;
  color: #1F1A14;
  white-space: pre-wrap;
  border-radius: 2px;
}

/* BOTTOM TAB STRIP — Red Stag pattern */
.viewer-tabs {
  background: linear-gradient(180deg, #C8BCA0 0%, #B5A98C 100%);
  border-top: 1px solid #888;
  display: flex;
  padding: 0;
}
.viewer-tabs button {
  background: linear-gradient(180deg, #D8CDB3 0%, #C0B59A 100%);
  border: 0;
  border-right: 1px solid #999;
  padding: 0.55rem 1.25rem;
  font-family: 'Bitter', Georgia, serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: #4A413A;
  cursor: pointer;
  border-top: 2px solid transparent;
}
.viewer-tabs button:hover { background: #E5DCC4; color: #1F1A14; }
.viewer-tabs button.active {
  background: #f4ede0;
  color: #7B2D26;
  border-top: 2px solid #7B2D26;
}

.view-pane { display: none; }
.view-pane.active { display: grid; height: 100%; }

/* Index view (when "Index" tab clicked) */
.index-view {
  padding: 2rem;
  background: #f4ede0;
  overflow-y: auto;
  font-family: 'Bitter', Georgia, serif;
}
.index-view h2 {
  color: #7B2D26;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}
.index-view dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0.5rem 1.25rem;
  max-width: 800px;
}
.index-view dt {
  font-family: -apple-system, sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #4A413A;
  align-self: center;
}
.index-view dd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: #1F1A14;
}