/* kpi-cupboard / citation-panel / citation-panel.css
 *
 * Built on the kpi-cupboard DESIGN_VISUAL_LANGUAGE glass-card substrate.
 * Dark-theme first (KPI standard); falls back to readable on white if used
 * inside a light-mode app.
 *
 * All selectors namespaced under .kpi-cp to prevent collision with host app.
 */

.kpi-cp-mount {
  --kpi-cp-accent: var(--text-faint, #9ca3af);
  --kpi-cp-bg-top: var(--surface-card-top, #15161b);
  --kpi-cp-bg-bot: var(--bg-base, #0c0d11);
  --kpi-cp-border: rgba(255,255,255,0.06);
  --kpi-cp-text: var(--text, #e5e7eb);
  --kpi-cp-text-faint: var(--text-faint, #9ca3af);
  --kpi-cp-radius: 10px;
  font: 13px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  color: var(--kpi-cp-text);
  margin: 6px 0;
}

.kpi-cp {
  border-radius: var(--kpi-cp-radius);
  border: 1px solid var(--kpi-cp-border);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), transparent 35%),
    radial-gradient(circle at 50% -20%, color-mix(in srgb, var(--kpi-cp-accent) 14%, transparent), transparent 55%),
    linear-gradient(180deg, var(--kpi-cp-bg-top) 0%, var(--kpi-cp-bg-bot) 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.05) inset,
    0 6px 18px -10px rgba(0,0,0,0.55);
  transition: border-color 0.18s, box-shadow 0.18s;
  overflow: hidden;
}

.kpi-cp[open] {
  border-color: color-mix(in srgb, var(--kpi-cp-accent) 30%, var(--kpi-cp-border));
}

.kpi-cp-summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
  color: var(--kpi-cp-text-faint);
}
.kpi-cp-summary::-webkit-details-marker { display: none; }
.kpi-cp-summary:hover { color: var(--kpi-cp-text); }

.kpi-cp-chev {
  display: inline-block;
  transition: transform 0.15s;
  color: var(--kpi-cp-accent);
}
.kpi-cp[open] .kpi-cp-chev { transform: rotate(90deg); }

.kpi-cp-label { flex: 1; font-weight: 500; }
.kpi-cp-meta { font-size: 11px; opacity: 0.6; }

.kpi-cp-body {
  padding: 4px 12px 12px;
  border-top: 1px solid var(--kpi-cp-border);
}

.kpi-cp-citation {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.kpi-cp-citation:last-child { border-bottom: none; }

.kpi-cp-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kpi-cp-sim {
  font-size: 10px;
  width: 14px;
  text-align: center;
}
.kpi-cp-sim-high { color: var(--cr-resolved, #22c55e); }
.kpi-cp-sim-mid  { color: var(--cr-info, #3b82f6); }
.kpi-cp-sim-low  { color: var(--cr-in-progress, #fbbf24); }

.kpi-cp-text { flex: 1; color: var(--kpi-cp-text); }

.kpi-cp-insert {
  background: linear-gradient(180deg, #3a3a3e 0%, #28282b 100%);
  color: var(--kpi-cp-text);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 12px;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset;
  transition: transform 0.1s, border-color 0.15s;
}
.kpi-cp-insert:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--kpi-cp-accent) 50%, transparent);
}

.kpi-cp-snippet {
  font-size: 12px;
  color: var(--kpi-cp-text-faint);
  margin: 4px 0 0 24px;
  line-height: 1.5;
}

.kpi-cp-empty, .kpi-cp-error, .kpi-cp-loading {
  padding: 10px 0 6px;
  color: var(--kpi-cp-text-faint);
  font-style: italic;
  font-size: 12px;
}
.kpi-cp-error { color: var(--cr-open, #ef4444); font-style: normal; }

.kpi-cp-note {
  margin-top: 8px;
  font-size: 11px;
  opacity: 0.55;
  font-style: italic;
}

/* Light-mode fallback — KPI standard is dark, but if a host app forces light,
 * keep it readable rather than illegible. */
@media (prefers-color-scheme: light) {
  .kpi-cp-mount:not(.kpi-cp-force-dark) {
    --kpi-cp-bg-top: #fafafa;
    --kpi-cp-bg-bot: #f0f0f2;
    --kpi-cp-border: rgba(0,0,0,0.08);
    --kpi-cp-text: #18181b;
    --kpi-cp-text-faint: #71717a;
  }
}