/* ═══════════════════════════════════════════════════════════════════════════ */
/* Document Viewer  -  shared sidebar component (dv-*)                       */
/* Used by collection_view and chat (inline sidebar)                         */
/* ═══════════════════════════════════════════════════════════════════════════ */

/* ── Inline sidebar container (reused across pages) ── */

.cv-sidebar {
  border-left: 1px solid var(--border);
  overflow: hidden;
  display: flex; flex-direction: column;
  position: relative;
  background: var(--panel-bg);
  width: 340px; min-width: 240px;
}

/* ── Overlay mode (fixed slide-in) — kept for compatibility ── */

.dv-backdrop {
  position: fixed; inset: 0; z-index: 199;
  background: rgba(22, 22, 22, 0.5);
  opacity: 0; pointer-events: none;
  transition: opacity 0.24s ease;
}
.dv-backdrop.active { opacity: 1; pointer-events: auto; }

.dv-sidebar--overlay {
  position: fixed;
  right: 0; top: 0; bottom: 0;
  width: 480px; z-index: 200;
  transform: translateX(100%);
  transition: transform 0.24s cubic-bezier(0.2, 0, 0, 1);
  background: var(--panel-bg);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  box-shadow: -2px 0 8px rgba(0,0,0,0.12);
}
.dv-sidebar--overlay.open { transform: translateX(0); }

@media (max-width: 768px) {
  .dv-sidebar--overlay { width: 100%; }
}

/* ── Header ── */

.dv-header {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 0.5rem 0.75rem 0.75rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--surface);
  min-height: 3rem;
}

.dv-header-btn {
  width: 2rem; height: 2rem;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none;
  color: var(--text-secondary); cursor: pointer;
  flex-shrink: 0; transition: color 0.1s, background 0.1s;
  text-decoration: none;
}
.dv-header-btn:hover {
  color: var(--text);
  background: var(--layer-hover, rgba(141,141,141,.12));
}
html.dark .dv-header-btn:hover { background: rgba(255,255,255,.08); }

.dv-header-info { flex: 1; min-width: 0; }

.dv-doc-name {
  font-size: 0.875rem; font-weight: 600;
  color: var(--text); margin: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.dv-doc-meta {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-secondary);
  font-family: var(--digits-font-family);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ── Metadata strip ── */

.dv-meta-strip {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0 1rem; height: 2.5rem; min-height: 2.5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0; overflow: hidden;
}

.dv-ext-badge {
  font-size: 0.6875rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.125rem 0.4375rem;
  background: var(--blue-20, #d0e2ff); color: var(--blue-70, #0043ce);
  flex-shrink: 0;
}
html.dark .dv-ext-badge { background: var(--blue-90, #002d9c); color: var(--blue-40, #a6c8ff); }

/* Extension overrides */
.dv-ext-badge[data-ext="pdf"]  { background: var(--red-20); color: var(--red-70); }
html.dark .dv-ext-badge[data-ext="pdf"]  { background: var(--red-90, #520408); color: var(--red-40, #ff8389); }
.dv-ext-badge[data-ext="csv"],
.dv-ext-badge[data-ext="xlsx"],
.dv-ext-badge[data-ext="xls"]  { background: var(--green-20); color: var(--green-70); }
html.dark .dv-ext-badge[data-ext="csv"],
html.dark .dv-ext-badge[data-ext="xlsx"],
html.dark .dv-ext-badge[data-ext="xls"]  { background: #071908; color: #6fdc8c; }
.dv-ext-badge[data-ext="html"],
.dv-ext-badge[data-ext="htm"]  { background: var(--teal-20); color: var(--teal-70); }
html.dark .dv-ext-badge[data-ext="html"],
html.dark .dv-ext-badge[data-ext="htm"]  { background: #022b30; color: #3ddbd9; }
.dv-ext-badge[data-ext="json"] { background: var(--purple-20); color: var(--purple-70); }
html.dark .dv-ext-badge[data-ext="json"] { background: #1c0f30; color: #d4bbff; }
.dv-ext-badge[data-ext="txt"],
.dv-ext-badge[data-ext="md"]   { background: var(--gray-20); color: var(--gray-70); }

.dv-meta-divider { width: 1px; height: 1rem; background: var(--border); flex-shrink: 0; }
.dv-meta-icon { color: var(--text-secondary); flex-shrink: 0; }
.dv-meta-label {
  font-size: 0.6875rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-secondary); flex-shrink: 0;
}
.dv-meta-value {
  font-size: 0.75rem; color: var(--text-secondary);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0;
}
.dv-meta-mono { font-family: 'IBM Plex Mono', monospace; flex-shrink: 0; }

/* ── Tabs ── */

.dv-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}

.dv-tab {
  flex: 1; padding: 0.75rem 0;
  border: none; background: none; cursor: pointer;
  font-size: 0.8125rem; font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  text-align: center;
  transition: color 0.1s, border-color 0.1s, background 0.1s;
  font-family: 'IBM Plex Sans', sans-serif;
}
.dv-tab:hover {
  background: var(--layer-hover, rgba(141,141,141,.08));
  color: var(--text);
}
html.dark .dv-tab:hover { background: rgba(255,255,255,.06); }
.dv-tab.active { color: var(--blue-60); border-bottom-color: var(--blue-60); font-weight: 600; }
html.dark .dv-tab.active { color: var(--blue-40); border-bottom-color: var(--blue-40); }

/* ── Panels ── */

.dv-panels { flex: 1; overflow: hidden; display: flex; flex-direction: column; }
.dv-panel { display: none; flex: 1; overflow-y: auto; flex-direction: column; }
.dv-panel.active { display: flex; }

.dv-placeholder {
  padding: 3rem 1rem;
  color: var(--text-tertiary);
  text-align: center; font-size: 0.875rem;
}

.dv-embed {
  flex: 1; width: 100%;
  min-height: 100%; height: 100%;
  border: none;
  background: var(--gray-10);
}
html.dark .dv-embed { background: var(--gray-90); }

.dv-raw-text {
  padding: 1.25rem 1.5rem 2rem;
  white-space: pre-wrap; word-break: break-word;
  font-size: 0.8125rem; line-height: 1.7;
  color: var(--text);
  font-family: var(--digits-font-family);
}

/* ── Markdown preview ── */
.dv-markdown {
  padding: 1.25rem 1.5rem 2rem;
  font-size: 0.875rem; line-height: 1.7;
  color: var(--text);
  overflow-y: auto;
}
.dv-markdown h1, .dv-markdown h2, .dv-markdown h3,
.dv-markdown h4, .dv-markdown h5, .dv-markdown h6 {
  color: var(--text); margin: 1.25em 0 0.5em; font-weight: 600;
}
.dv-markdown h1 { font-size: 1.5rem; }
.dv-markdown h2 { font-size: 1.25rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
.dv-markdown h3 { font-size: 1.0625rem; }
.dv-markdown p { margin: 0 0 0.75em; }
.dv-markdown ul, .dv-markdown ol { margin: 0 0 0.75em; padding-left: 1.5em; }
.dv-markdown li { margin-bottom: 0.25em; }
.dv-markdown blockquote {
  margin: 0 0 0.75em; padding: 0.5em 1em;
  border-left: 3px solid var(--blue-60); color: var(--text-secondary);
  background: rgba(15,98,254,0.04);
}
html.dark .dv-markdown blockquote { background: rgba(15,98,254,0.06); }
.dv-markdown code {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.8125rem;
  background: var(--field); padding: 0.125em 0.375em;
}
.dv-markdown pre {
  background: var(--field); padding: 1rem; overflow-x: auto;
  margin: 0 0 0.75em; border: 1px solid var(--border);
}
.dv-markdown pre code { background: none; padding: 0; }
.dv-markdown table {
  border-collapse: collapse; width: 100%; margin: 0 0 0.75em;
  font-size: 0.8125rem;
}
.dv-markdown th, .dv-markdown td {
  border: 1px solid var(--border); padding: 0.375rem 0.625rem; text-align: left;
}
.dv-markdown th { background: var(--field); font-weight: 600; }
.dv-markdown img { max-width: 100%; }
.dv-markdown a { color: var(--blue-60); }
html.dark .dv-markdown a { color: var(--blue-40); }
.dv-markdown hr { border: none; border-top: 1px solid var(--border); margin: 1.5em 0; }

/* ── JSON syntax colors (shared) ── */
.dv-json-viewer .json-key     { color: var(--blue-60, #0f62fe); }
.dv-json-viewer .json-string  { color: var(--green-60, #198038); }
.dv-json-viewer .json-number  { color: var(--purple-60, #8a3ffc); }
.dv-json-viewer .json-boolean { color: var(--teal-60, #005d5d); }
.dv-json-viewer .json-null    { color: var(--gray-50, #8d8d8d); }
html.dark .dv-json-viewer .json-key     { color: var(--blue-40, #78a9ff); }
html.dark .dv-json-viewer .json-string  { color: var(--green-40, #42be65); }
html.dark .dv-json-viewer .json-number  { color: var(--purple-40, #be95ff); }
html.dark .dv-json-viewer .json-boolean { color: var(--teal-40, #08bdba); }
html.dark .dv-json-viewer .json-null    { color: var(--gray-50, #8d8d8d); }

/* ── JSON viewer ── */
.dv-json-viewer {
  padding: 1.25rem 1.5rem 2rem;
  overflow: auto; flex: 1;
}
.dv-json-viewer pre {
  margin: 0; white-space: pre-wrap; word-break: break-all;
  font-size: 0.8125rem; line-height: 1.6;
  font-family: 'IBM Plex Mono', monospace;
}

/* ── CSV table ── */
.dv-csv-wrap {
  overflow: auto; flex: 1;
  padding: 0;
}
.dv-csv-table {
  border-collapse: collapse; width: 100%;
  font-size: 0.8125rem;
}
.dv-csv-table th {
  position: sticky; top: 0; z-index: 1;
  background: var(--panel-bg);
  text-align: left;
  font-size: 0.6875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.dv-csv-table td {
  padding: 0.375rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  white-space: nowrap;
  max-width: 300px;
  overflow: hidden; text-overflow: ellipsis;
}
.dv-csv-table tbody tr:hover { background: rgba(15,98,254,0.04); }
html.dark .dv-csv-table tbody tr:hover { background: rgba(120,169,255,0.06); }

/* ── Audio player ── */
.dv-audio-wrap {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1rem; padding: 3rem 1.5rem;
}
.dv-audio-name {
  font-size: 0.875rem; font-weight: 500;
  color: var(--text);
  text-align: center; word-break: break-word;
}

.dv-raw-text mark,
mark.dv-highlight {
  background: #f1c21b; color: #161616;
  font-style: normal; padding: 0.15em 0.1em;
}
html.dark .dv-raw-text mark,
html.dark mark.dv-highlight {
  background: var(--yellow-70, #8e6a00);
  color: var(--yellow-20, #fcf4d6);
}

/* ── Loading state ── */

.dv-loading {
  flex: 1; display: flex;
  align-items: center; justify-content: center; gap: 0.5rem;
  font-size: 0.875rem; color: var(--text-secondary);
  padding: 2rem; text-align: center;
}