/* 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;
  /* BDM theme accent: earth (kept consistent with KerkoApp) */
  --primary-color: #5b3a29;
  --primary-color-2: #2f3e2e;
  --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: 1.75rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

#header {
  position: relative;
  transition: padding 0.2s ease;
}
#header.collapsed {
  padding: 0.4rem 0.75rem;
}
#header.collapsed #doc-title,
#header.collapsed .header-controls,
#header.collapsed .collapsible {
  display: none;
}

#header h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.65rem;
  margin-bottom: 1rem;
  color: var(--text-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(91, 58, 41, 0.12);
}

.view-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 4px 10px rgba(91, 58, 41, 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;
  text-decoration: none;
}

.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(91, 58, 41, 0.12); border-color: rgba(91, 58, 41, 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;
}

/* Unified toolbar sizing */
#image-controls,
#text-controls {
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  flex-wrap: nowrap;
}
#image-controls .btn-control,
#text-controls .btn-control,
#text-controls .tab { padding: 0.35rem 0.55rem; font-size: 0.85rem; }
#image-controls .btn-font,
#text-controls .btn-font { padding: 0.25rem 0.45rem; font-size: 0.85rem; }
#image-controls .font-controls label,
#text-controls .font-controls label { display: none; }

.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;
  touch-action: none;
}
#page-image {
  max-width: none;
  max-height: none;
  width: 100%;
  height: auto;
  display: block;
  transform-origin: top left;
  cursor: grab;
  user-select: none;
  touch-action: 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; }

/* Header collapse toggle */
#header-toggle {
  position: absolute;
  bottom: -14px;
  right: 1rem;
  z-index: 10;
  width: 2rem;
  height: 1.25rem;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 0 0 6px 6px;
  background: white;
  color: var(--secondary-color);
  font-size: 0.65rem;
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
  transition: bottom 0.2s ease;
}
#header-toggle:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
}
#header.collapsed #header-toggle {
  bottom: -1px;
}

/* 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; }

/* Mobile sidebar overlay */
#sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(15, 23, 42, 0.4);
  -webkit-tap-highlight-color: transparent;
}
#sidebar-backdrop.visible { display: block; }

#sidebar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  min-width: 2.25rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-color);
  background: white;
  border-radius: 0.4rem;
  cursor: pointer;
  color: var(--secondary-color);
  font-size: 0.85rem;
}
#sidebar-toggle:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

@media (max-width: 900px) {
  :root { --sidebar-width: 0; }

  #app { height: 100dvh; min-height: 100vh; }

  #header { padding: 0.85rem 1rem 1rem; }
  #header h1 {
    font-size: 1.2rem;
    margin-bottom: 0.65rem;
    line-height: 1.25;
    padding-right: 2rem;
  }

  #content {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(38vh, 1fr) minmax(28vh, 1fr);
  }

  #app.mode-image #content,
  #app.mode-text #content {
    grid-template-rows: 1fr;
  }

  #image-panel,
  #text-panel {
    border-left: none;
    min-height: 0;
  }

  #text-panel { border-top: 1px solid var(--border-color); }

  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(88vw, 300px);
    max-width: 300px;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
    padding-top: max(1rem, env(safe-area-inset-top));
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
    padding-left: max(1rem, env(safe-area-inset-left));
  }

  #sidebar.open { transform: translateX(0); }

  #sidebar-toggle { display: inline-flex; }

  #image-container,
  #text-content {
    -webkit-overflow-scrolling: touch;
  }

  body.sidebar-open { overflow: hidden; }
}

@media (max-width: 600px) {
  #header {
    padding: 0.65rem 0.75rem 0.85rem;
    padding-top: max(0.65rem, env(safe-area-inset-top));
  }

  #header h1 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
  }

  .header-controls {
    gap: 0.5rem;
    margin-bottom: 0.5rem;
  }

  .view-btn {
    padding: 0.45rem 0.6rem;
    font-size: 0.78rem;
  }

  .btn-secondary {
    padding: 0.45rem 0.65rem;
    font-size: 0.78rem;
  }

  #image-controls,
  #text-controls {
    padding: 0.45rem 0.5rem;
    gap: 0.35rem;
  }

  #image-controls .btn-control,
  #text-controls .btn-control,
  #text-controls .tab {
    min-height: 2.25rem;
    min-width: 2.25rem;
    padding: 0.35rem 0.45rem;
    font-size: 0.8rem;
  }

  #page-indicator,
  .page-mini-indicator {
    font-size: 0.8rem;
    white-space: nowrap;
  }

  #content {
    grid-template-rows: minmax(42vh, 1fr) minmax(32vh, 1fr);
  }

  #text-content { padding: 0.75rem; }

  #header-toggle {
    right: 0.75rem;
    width: 2.25rem;
    height: 1.35rem;
  }
}

@media (max-width: 380px) {
  .view-btn[data-view="split"] { font-size: 0; }
  .view-btn[data-view="split"]::after { content: '⚌'; font-size: 0.95rem; }
  .view-btn[data-view="image"] { font-size: 0; }
  .view-btn[data-view="image"]::after { content: '🖼'; font-size: 0.95rem; }
  .view-btn[data-view="text"] { font-size: 0; }
  .view-btn[data-view="text"]::after { content: '📝'; font-size: 0.95rem; }
}