:root {
  --bg:        #0d1626;
  --bg-2:      #132037;
  --panel:     #182a47;
  --ink:       #e8eefc;
  --ink-dim:   #9fb0cf;
  --line:      #294063;
  --accent:    #b3122a;   /* Blue Prince red */
  --parchment: #efe6cf;

  /* category palette */
  --cat-mary:    #e6b54a;
  --cat-heist:   #d33a4e;
  --cat-sinclair:#4aa3c7;
  --cat-books:   #6fae5b;
  --cat-estate:  #9b7bd4;
  --cat-letters: #e0913c;
  --cat-library: #8a93a6;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---- top bar ------------------------------------------------------------- */
#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 20px;
  background: var(--bg-2);
  border-bottom: 2px solid var(--accent);
  flex-wrap: wrap;
}
#topbar h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: .3px;
}
#topbar h1::before {
  content: "";
  display: inline-block;
  width: 11px; height: 11px;
  margin-right: 9px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: var(--accent);
  vertical-align: middle;
}
.hint {
  margin: 4px 0 0;
  color: var(--ink-dim);
  font-size: 12px;
  max-width: 720px;
}
.controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.controls .toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-dim);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}
.controls button {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 12px;
  cursor: pointer;
}
.controls button:hover { border-color: var(--accent); }
.approx-chip {
  display: inline-block;
  padding: 0 5px;
  border: 1px dashed var(--ink-dim);
  border-radius: 4px;
  font-style: italic;
}

/* ---- layout -------------------------------------------------------------- */
#layout {
  display: flex;
  height: calc(100vh - 72px);
  min-height: 420px;
}
#timeline {
  flex: 1 1 auto;
  min-width: 0;
  padding: 10px;
}
#sidebar {
  flex: 0 0 340px;
  width: 340px;
  border-left: 1px solid var(--line);
  background: var(--bg-2);
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.card h2 {
  margin: 0 0 10px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--ink-dim);
}

/* ---- category filters ---------------------------------------------------- */
#filters { display: flex; flex-direction: column; gap: 7px; }
.filter-row {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
}
.filter-row .swatch {
  width: 14px; height: 14px;
  border-radius: 3px;
  flex: 0 0 auto;
  border: 1px solid rgba(255,255,255,.25);
}
.filter-row .count {
  margin-left: auto;
  color: var(--ink-dim);
  font-size: 11px;
}

/* ---- detail panel -------------------------------------------------------- */
.detail-empty { color: var(--ink-dim); font-size: 13px; }
.detail-title { font-size: 16px; font-weight: 600; margin: 0 0 8px; }
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
}
.badge.cat { color: #0d1626; font-weight: 600; }
.badge.approx { border-style: dashed; color: var(--cat-mary); }
.badge.confirmed { color: var(--ink-dim); }
.detail-date {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 9px;
  margin-bottom: 10px;
  font-size: 12px;
}
.detail-date .lbl { color: var(--ink-dim); }
.detail-desc { font-size: 13px; color: var(--ink); }
.detail-source { margin-top: 12px; }
.detail-source a {
  color: var(--cat-sinclair);
  font-size: 11px;
  word-break: break-all;
}
.detail-thumb {
  display: block;
  margin-top: 8px;
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #000;
}
.detail-thumb.missing {
  display: none;
}

/* ---- vis.js theming ------------------------------------------------------ */
.vis-timeline {
  border: 1px solid var(--line) !important;
  border-radius: 10px;
  background: var(--bg);
  font-family: inherit;
}
.vis-panel.vis-center,
.vis-panel.vis-left,
.vis-panel.vis-right,
.vis-panel.vis-top,
.vis-panel.vis-bottom { border-color: var(--line) !important; }

.vis-time-axis .vis-text { color: var(--ink-dim) !important; }
.vis-time-axis .vis-grid.vis-minor { border-color: rgba(255,255,255,.05) !important; }
.vis-time-axis .vis-grid.vis-major { border-color: rgba(255,255,255,.12) !important; }

.vis-labelset .vis-label,
.vis-foreground .vis-group { border-color: var(--line) !important; }
.vis-labelset .vis-label .vis-inner {
  color: var(--ink);
  font-weight: 600;
  font-size: 12px;
  padding: 6px 8px;
}

.vis-current-time { background-color: var(--accent) !important; }

/* items: colored fill + dark text, per category className from app.js */
.vis-item {
  border-width: 1px;
  border-radius: 6px;
  color: #14202f;
  font-size: 12px;
}
.vis-item.vis-selected {
  box-shadow: 0 0 0 2px var(--ink), 0 0 0 4px var(--accent);
  z-index: 5;
}
.vis-item .vis-item-content { padding: 3px 7px; }

.cat-mary     { background: var(--cat-mary);     border-color: #b98e23; }
.cat-heist    { background: var(--cat-heist);    border-color: #8c1f2c; color:#fff; }
.cat-sinclair { background: var(--cat-sinclair); border-color: #2c7894; }
.cat-books    { background: var(--cat-books);    border-color: #4d8a3c; }
.cat-estate   { background: var(--cat-estate);   border-color: #6f53a8; color:#fff; }
.cat-letters  { background: var(--cat-letters);  border-color: #b46c22; }
.cat-library  { background: var(--cat-library);  border-color: #5f6678; color:#f2f4f8; }

/* approximate items: dashed + hatch overlay */
.vis-item.approx {
  border-style: dashed;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,.22) 0, rgba(255,255,255,.22) 2px,
    transparent 2px, transparent 7px
  );
}

/* vis tooltip */
.vis-tooltip {
  background: var(--panel) !important;
  color: var(--ink) !important;
  border: 1px solid var(--accent) !important;
  border-radius: 8px !important;
  font-family: inherit !important;
  font-size: 12px !important;
  box-shadow: 0 6px 20px rgba(0,0,0,.5) !important;
  max-width: 320px;
}

@media (max-width: 820px) {
  #layout { flex-direction: column; height: auto; }
  #sidebar { width: 100%; flex-basis: auto; border-left: none; border-top: 1px solid var(--line); }
  #timeline { height: 58vh; }
}