/* ---------- theme ---------- */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --fg: #1c1c1e;
  --fg-dim: #6b6b70;
  --accent: #0a6cff;
  --border: #e4e4e8;
  --code-bg: #f0f0f3;
  --highlight: #fff3a8;
}
html[data-theme="dark"] {
  --bg: #15171a;
  --bg-alt: #1c1f23;
  --fg: #e6e6e8;
  --fg-dim: #9a9aa1;
  --accent: #4ea1ff;
  --border: #2a2d33;
  --code-bg: #22262b;
  --highlight: #6a5a00;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  display: grid;
  grid-template-columns: 300px 1fr;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- sidebar ---------- */
#sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-alt);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
}
#sidebar header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
#sidebar header h1 {
  font-size: 16px;
  margin: 0;
  letter-spacing: 0.3px;
}
#theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  width: 28px; height: 28px;
  cursor: pointer;
}
nav.primary {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
nav.primary a {
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 5px;
  border: 1px solid transparent;
}
nav.primary a.active {
  background: var(--bg);
  border-color: var(--border);
}
#session-filter {
  margin: 10px 14px 6px;
  padding: 6px 8px;
  font: inherit;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
}

/* sort controls (sidebar + globals) */
.sort-control {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-dim);
}
#session-sort-wrap {
  margin: 0 14px 6px;
}
.sort-control label {
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sort-control select {
  flex: 1;
  font: inherit;
  font-size: 12px;
  padding: 3px 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 5px;
  cursor: pointer;
}
.global-sort {
  margin: 0 0 14px;
}
.global-sort select { flex: 0 0 auto; min-width: 14em; }
.entry-group-label {
  display: inline-block;
  font-size: 0.7em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-dim);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 8px;
  vertical-align: middle;
  font-weight: 400;
}
.entry-meta {
  font-size: 0.75em;
  color: var(--fg-dim);
  margin-left: 8px;
  vertical-align: middle;
  font-weight: 400;
}
.view-mode {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 2px 14px 8px;
  font-size: 0.8em;
}
.view-mode-label {
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85em;
}
.view-mode button {
  flex: 1;
  padding: 4px 6px;
  font: inherit;
  font-size: 0.95em;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg-dim);
  border-radius: 5px;
  cursor: pointer;
}
.view-mode button:hover { color: var(--fg); border-color: var(--accent); }
.view-mode button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
#session-list {
  list-style: none;
  padding: 4px 6px 16px;
  margin: 0;
  overflow-y: auto;
  flex: 1;
}
#session-list li a {
  display: block;
  padding: 4px 8px;
  border-radius: 5px;
  color: var(--fg);
  font-size: 13px;
  line-height: 1.35;
}
#session-list li a:hover { background: var(--bg); text-decoration: none; }
#session-list li a.active { background: var(--accent); color: #fff; }
#session-list .num {
  display: inline-block;
  min-width: 2.6em;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}
#session-list li a.active .num { color: #e5efff; }

/* ---------- main ---------- */
#content {
  height: 100vh;
  overflow-y: auto;
  padding: 28px 40px 80px;
}
#view { max-width: 900px; margin: 0 auto; }
#loading {
  position: fixed; top: 10px; right: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
}

/* ---------- markdown ---------- */
#view h1 { font-size: 26px; margin: 0 0 8px; }
#view h2 { margin-top: 1.6em; border-bottom: 1px solid var(--border); padding-bottom: 4px; }
#view h3 { margin-top: 1.4em; color: var(--fg); }
#view img { max-width: 100%; border-radius: 6px; border: 1px solid var(--border); }
#view pre, #view code { background: var(--code-bg); border-radius: 4px; }
#view code { padding: 1px 5px; font-size: 0.92em; }
#view pre { padding: 10px 14px; overflow-x: auto; }
#view pre code { padding: 0; background: transparent; }
#view blockquote {
  margin: 0.6em 0;
  padding: 4px 14px;
  border-left: 3px solid var(--border);
  color: var(--fg-dim);
}
#view ul, #view ol { padding-left: 1.4em; }
#view li { margin: 2px 0; }
#view table { border-collapse: collapse; }
#view th, #view td { border: 1px solid var(--border); padding: 4px 8px; }
#view hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }

/* ---------- collapsible sections ---------- */
.collapse-bar {
  display: flex;
  gap: 6px;
  margin: 0 0 14px;
}
.collapse-bar button {
  font: inherit;
  font-size: 12px;
  padding: 3px 9px;
  background: var(--bg-alt);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
}
.collapse-bar button:hover { background: var(--bg); }

details.md-collapsible {
  border-left: 2px solid var(--border);
  padding: 0 0 0 12px;
  margin: 0.6em 0;
}
details.md-collapsible > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-left: -12px;
  padding: 2px 0 2px 6px;
  border-radius: 4px;
}
details.md-collapsible > summary:hover { background: var(--bg-alt); }
details.md-collapsible > summary::-webkit-details-marker { display: none; }
details.md-collapsible > summary::before {
  content: "▸";
  display: inline-block;
  width: 1em;
  color: var(--fg-dim);
  transition: transform 0.12s ease;
  font-size: 0.85em;
}
details.md-collapsible[open] > summary::before { transform: rotate(90deg); }

.md-heading {
  font-weight: 600;
  line-height: 1.25;
}
.md-heading.h2 { font-size: 1.35em; }
.md-heading.h3 { font-size: 1.1em;  color: var(--fg); }

/* Replace default heading margins inside summaries */
details.md-collapsible > summary .md-heading { margin: 0; padding: 0; border: none; }
details.md-collapsible.md-lvl-2 { border-left-color: var(--accent); }
details.md-collapsible.md-lvl-2 > summary { border-bottom: 1px solid var(--border); }

/* H2 intro body wrapper — a quiet toggle for prose under a category heading */
details.md-collapsible.md-intro {
  border-left-color: var(--border);
  margin: 4px 0 8px;
  padding-left: 8px;
}
details.md-collapsible.md-intro > summary {
  border: none;
  font-size: 12px;
  color: var(--fg-dim);
  padding: 0 0 0 6px;
}
.md-intro-label { font-style: italic; }

/* session-ref pills */
.sref {
  display: inline-block;
  padding: 0 5px;
  border-radius: 4px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  font-size: 0.85em;
  color: var(--accent);
  white-space: nowrap;
}
.sref:hover { background: var(--accent); color: #fff; text-decoration: none; border-color: var(--accent); }

/* auto-linked character / location names (background pass) */
.auto-link {
  color: inherit;
  text-decoration: underline dotted var(--fg-dim);
  text-underline-offset: 2px;
}
.auto-link:hover { color: var(--accent); text-decoration-color: var(--accent); }
.auto-link[data-kind="locations"]:hover { color: #2a8d4f; text-decoration-color: #2a8d4f; }
html[data-theme="dark"] .auto-link[data-kind="locations"]:hover { color: #67d18a; text-decoration-color: #67d18a; }

@keyframes focusFlash {
  0%   { background: var(--highlight); }
  100% { background: transparent; }
}
.focus-flash > summary { animation: focusFlash 1.2s ease-out; border-radius: 4px; }

/* search-result highlight inside the destination view */
mark.search-mark {
  background: var(--highlight);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}
@keyframes searchMarkFlash {
  0%, 60% { box-shadow: 0 0 0 4px var(--highlight); }
  100%    { box-shadow: 0 0 0 0 transparent; }
}
mark.search-mark-flash { animation: searchMarkFlash 1.5s ease-out; }

/* auto-link popup */
.auto-link { touch-action: manipulation; } /* avoid iOS double-tap-to-zoom */
.auto-popup {
  position: fixed;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  min-width: 220px;
  min-height: 160px;
  max-width: calc(100vw - 16px);
  max-height: calc(100vh - 16px);
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  overflow: hidden;
}
.auto-popup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  cursor: default;
  user-select: none;
}
.auto-popup-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.95em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.auto-popup-actions { display: flex; gap: 4px; }
.auto-popup-actions button {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.85em;
  cursor: pointer;
}
.auto-popup-actions button:hover { background: var(--bg); border-color: var(--accent); color: var(--accent); }
.auto-popup-close { padding: 3px 7px !important; font-size: 1em !important; line-height: 1; }
.auto-popup-body {
  flex: 1;
  overflow: auto;
  padding: 10px 14px;
  font-size: 0.92em;
  line-height: 1.5;
}
.auto-popup-body h1, .auto-popup-body h2 { font-size: 1.05em; margin: 0 0 6px; }
.auto-popup-body h3 { font-size: 1em; margin: 8px 0 4px; }
.auto-popup-body p, .auto-popup-body ul, .auto-popup-body ol { margin: 0 0 6px; }
.auto-popup-body img { max-width: 100%; height: auto; }
.auto-popup-resize {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 22px;
  height: 22px;
  cursor: nwse-resize;
  /* visual grip */
  background:
    linear-gradient(135deg, transparent 50%, var(--fg-dim) 50%, var(--fg-dim) 60%, transparent 60%,
                            transparent 70%, var(--fg-dim) 70%, var(--fg-dim) 80%, transparent 80%);
  border-bottom-right-radius: 8px;
  touch-action: none;
}
.kind-pill {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 0.75em;
  font-weight: 600;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  vertical-align: middle;
}
.kind-pill.kind-characters { color: var(--accent); border-color: var(--accent); }
.kind-pill.kind-locations  { color: #2a8d4f; border-color: #2a8d4f; }
html[data-theme="dark"] .kind-pill.kind-locations { color: #67d18a; border-color: #67d18a; }

/* ---------- session header / tabs ---------- */
.session-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1em;
  padding-bottom: 8px;
}
.session-head .nav-btns { display: flex; gap: 6px; }
.session-head .nav-btns a {
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 5px;
  font-size: 13px;
  color: var(--fg);
}
.tab-bar {
  display: flex;
  gap: 4px;
  margin: 0 0 14px;
  border-bottom: 1px solid var(--border);
}
.tab-bar button {
  background: none;
  border: 1px solid transparent;
  border-bottom: none;
  padding: 5px 12px;
  font: inherit;
  color: var(--fg-dim);
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  margin-bottom: -1px;
}
.tab-bar button.active {
  color: var(--fg);
  border-color: var(--border);
  background: var(--bg-alt);
}

/* ---------- search ---------- */
#search-input {
  width: 100%;
  padding: 8px 10px;
  font: inherit;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  margin-bottom: 14px;
}
.search-hit {
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.search-hit h4 { margin: 0 0 4px; font-size: 14px; }
.search-hit p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 13px;
  white-space: pre-wrap;
}
.search-hit mark { background: var(--highlight); color: inherit; padding: 0 2px; border-radius: 2px; }

.search-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0 0 8px;
  padding: 8px 10px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}
.search-filter {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  user-select: none;
}
.search-filter .count { color: var(--fg-dim); font-variant-numeric: tabular-nums; }
.search-status { color: var(--fg-dim); font-size: 13px; margin: 4px 0 10px; }

.search-hit .kind {
  display: inline-block;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 6px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  vertical-align: 1px;
}
.search-hit .kind-summary    { color: #0a6cff; border-color: #0a6cff55; }
.search-hit .kind-raw        { color: #8a6a00; border-color: #8a6a0055; }
.search-hit .kind-characters { color: #c63a8a; border-color: #c63a8a55; }
.search-hit .kind-locations  { color: #2a8d4f; border-color: #2a8d4f55; }
html[data-theme="dark"] .search-hit .kind-summary    { color: #6bb0ff; }
html[data-theme="dark"] .search-hit .kind-raw        { color: #d9b257; }
html[data-theme="dark"] .search-hit .kind-characters { color: #ff7ec0; }
html[data-theme="dark"] .search-hit .kind-locations  { color: #67d18a; }

/* sessions toggle (mobile only) */
#sessions-toggle {
  display: none;
  font: inherit;
  font-size: 13px;
  text-align: left;
  margin: 8px 14px 0;
  padding: 6px 10px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}
#sessions-toggle .caret {
  display: inline-block;
  transition: transform 0.15s ease;
  color: var(--fg-dim);
}
#sessions-toggle[aria-expanded="false"] .caret { transform: rotate(-90deg); }

@media (max-width: 800px) {
  body { grid-template-columns: 1fr; }
  #sidebar { height: auto; position: static; }
  #session-list { max-height: 50vh; }
  #content { padding: 20px; }
  #sessions-toggle { display: block; }
  body.sidebar-collapsed #sessions-pane { display: none; }
}