/* Octopus shared viewer CSS (served from /docs/_assets/octopus_viewer.css)
 * Source of truth lives in repo; copied into ARCHIVE_DIR/_assets by InteractiveHTMLViewer.
 */

:root {
  --sidebar-width: 120px;
  --header-height: auto;
  --primary-color: #2563eb;
  --secondary-color: #64748b;
  --text-color: #1f2937;
  --bg-color: #f9fafb;
  --border-color: #e5e7eb;
  --hover-color: #f3f4f6;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-color);
  background: var(--bg-color);
  overflow: hidden;
}

#app { display: flex; flex-direction: column; height: 100vh; }

/* Header */
#header {
  background: white;
  border-bottom: 2px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

#header h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.header-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.view-toggle, .meta-toggle {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  align-items: center;
}

.view-btn {
  padding: 0.5rem 0.85rem;
  background: white;
  color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

.view-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  box-shadow: 0 3px 8px rgba(37, 99, 235, 0.12);
}

.view-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.18);
}

.btn-secondary {
  padding: 0.5rem 1rem;
  background: var(--secondary-color);
  color: white;
  border: none;
  border-radius: 0.25rem;
  cursor: pointer;
  font-size: 0.875rem;
}

.btn-secondary:hover { opacity: 0.9; }

.collapsible {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-color);
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

/* Layout */
#main-container { display: flex; flex: 1; overflow: hidden; }

#sidebar {
  width: var(--sidebar-width);
  background: white;
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  padding: 1rem;
}

#sidebar h2 { font-size: 1rem; margin-bottom: 0.5rem; color: var(--secondary-color); }

#toc { display: flex; flex-direction: column; gap: 0.25rem; }

.toc-item {
  display: block;
  padding: 0.35rem 0.5rem;
  border-radius: 0.35rem;
  color: var(--secondary-color);
  text-decoration: none;
  border: 1px solid transparent;
}
.toc-item:hover { background: var(--hover-color); border-color: var(--border-color); }
.toc-item.active { background: rgba(37,99,235,0.12); border-color: rgba(37,99,235,0.25); color: var(--primary-color); }

#content { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 0; overflow: hidden; }

#image-panel, #text-panel {
  background: white;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-color);
}

#image-controls, #text-controls {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Text-side toolbar: ALWAYS single row (no wrap). We'll auto-compress via JS/CSS if needed. */
#text-controls {
  flex-wrap: nowrap;
  justify-content: flex-start;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  padding-right: 1.25rem; /* avoid last button getting clipped at edge */
}

/* Prevent buttons/labels from forcing wraps */
#text-controls * {
  white-space: nowrap;
}

/* Prevent flex shrink clipping inside the text toolbar */
#text-controls > *,
#text-controls .text-tabs,
#text-controls .page-mini-controls,
#text-controls .font-controls,
#text-controls .btn-control,
#text-controls .btn-font {
  flex: 0 0 auto;
}

/* Override global "push right" behavior inside the text toolbar */
#text-controls .zoom-controls,
#text-controls .font-controls {
  margin-left: 0;
}

/* Make text-toolbar controls more compact (without hiding buttons) */
#text-controls { gap: 0.5rem; padding: 0.55rem 0.75rem; }
#text-controls .btn-control { padding: 0.35rem 0.55rem; font-size: 0.85rem; }
#text-controls .btn-font { padding: 0.25rem 0.45rem; font-size: 0.85rem; }
#text-controls .font-controls label { display: none; }

/* Image-side toolbar can wrap if needed */
#image-controls {
  flex-wrap: wrap;
}

.btn-control {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-color);
  background: white;
  border-radius: 0.4rem;
  cursor: pointer;
  color: var(--secondary-color);
}

.btn-control:hover { border-color: var(--primary-color); color: var(--primary-color); }
.btn-control.ghost { background: transparent; }

.zoom-controls { display: flex; gap: 0.35rem; align-items: center; margin-left: auto; }
.font-controls { display: flex; gap: 0.35rem; align-items: center; margin-left: auto; }
.btn-font { padding: 0.35rem 0.55rem; border: 1px solid var(--border-color); background: white; border-radius: 0.35rem; cursor: pointer; }

#image-container {
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  background: #f0f0f0;
  cursor: grab;
  position: relative;
}
#page-image {
  max-width: none;
  max-height: none;
  width: 100%;
  height: auto;
  display: block;
  transform-origin: top left;
  cursor: grab;
  user-select: none;
}

#keywords-content {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.keyword {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
}

.text-tabs { display: flex; gap: 0.35rem; align-items: center; }
.text-tabs .tab {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-color);
  background: white;
  border-radius: 999px;
  cursor: pointer;
  color: var(--secondary-color);
}
.text-tabs .tab.active { background: var(--primary-color); color: white; border-color: var(--primary-color); }

#text-content { flex: 1; overflow: auto; padding: 1rem; }
#text-display { line-height: 1.6; white-space: normal; }
.marker { background: rgba(245, 158, 11, 0.15); padding: 0.1rem 0.25rem; border-radius: 0.25rem; color: #b45309; }

/* View modes */
#app.mode-image #content { grid-template-columns: 1fr; }
#app.mode-image #text-panel { display: none; }
#app.mode-text #content { grid-template-columns: 1fr; }
#app.mode-text #image-panel { display: none; }