/* ─────────────────────────────────────────────────────────────────────
   ChronoForge Pulse — External Signals widget (drop-in)
   Mount target: <div id="sc-external-events-root"></div>
   Companion to sc_flowchart.{css,js} — shares the same design vars
   when both are mounted on the same page.
   ───────────────────────────────────────────────────────────────────── */

#sc-external-events-root {
  /* Editorial-palette remap — token names kept so JS/CSS that
     references --xe-cyan/--xe-amber/etc. keeps working. */
  --xe-bg:        var(--bg, #f6f5f1);
  --xe-surface:   var(--bg-card, #ffffff);
  --xe-elev:      var(--bg-soft, #efece4);
  --xe-border:    var(--line, #e3e0d6);
  --xe-cyan:      var(--accent, #2d4a3e);
  --xe-green:     var(--accent, #2d4a3e);
  --xe-amber:     var(--warn, #b8633a);
  --xe-danger:    var(--warn, #b8633a);
  --xe-text:      var(--ink, #0e0d0a);
  --xe-muted:     var(--muted, #6a6760);

  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body:    "Manrope", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, monospace;

  font-family: var(--body);
  color: var(--xe-text);
  background: var(--xe-bg);
  border: 1px solid var(--xe-border);
  border-radius: 2px;
  padding: 0;
  display: flex;
  flex-direction: column;
  max-height: 720px;
  position: relative;
  overflow: hidden;
}

/* ── Head ──────────────────────────────────────────────────────────── */
.xe-head {
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--xe-border);
  background: linear-gradient(180deg, var(--xe-elev), var(--xe-surface));
}
.xe-head-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}
.xe-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 15px;
  margin: 0;
  letter-spacing: -0.01em;
}
.xe-title .xe-pip {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--xe-amber);
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  box-shadow: 0 0 8px var(--xe-amber);
  animation: xe-pulse 2.4s ease-in-out infinite;
}
@keyframes xe-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
.xe-meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--xe-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.xe-controls {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.xe-chip {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid var(--xe-border);
  background: transparent;
  color: var(--xe-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.xe-chip:hover { color: var(--xe-text); border-color: var(--xe-cyan); }
.xe-chip.active {
  color: var(--xe-cyan);
  border-color: var(--xe-cyan);
  background: rgba(45, 74, 62, 0.06);
}
.xe-refresh {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--xe-cyan);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
}
.xe-refresh:disabled { opacity: 0.4; cursor: progress; }

/* ── Feed ──────────────────────────────────────────────────────────── */
.xe-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
}
.xe-feed::-webkit-scrollbar { width: 6px; }
.xe-feed::-webkit-scrollbar-thumb { background: var(--xe-border); }

.xe-event {
  padding: 12px 18px;
  border-bottom: 1px solid var(--xe-border);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 14px;
  cursor: pointer;
  transition: background 0.12s;
}
.xe-event:hover { background: var(--xe-elev); }
.xe-event:last-child { border-bottom: none; }

.xe-event-headline {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  margin: 0;
  grid-column: 1 / -1;
}
.xe-event-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--xe-muted);
  letter-spacing: 0.04em;
}
.xe-badge {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 6px;
  border: 1px solid currentColor;
  display: inline-block;
}
.xe-badge.commodity   { color: var(--xe-amber); }
.xe-badge.weather     { color: #6c8b7a; }
.xe-badge.geopolitical{ color: var(--xe-danger); }
.xe-badge.regulatory  { color: var(--xe-green); }
.xe-badge.market      { color: var(--xe-cyan); }
.xe-badge.other       { color: var(--xe-muted); }

.xe-impact {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}
.xe-impact-dot {
  width: 5px; height: 5px;
  background: var(--xe-border);
}
.xe-impact-dot.on  { background: var(--xe-amber); }
.xe-impact[data-severity="high"]    .xe-impact-dot.on { background: var(--xe-danger); }
.xe-impact[data-severity="critical"] .xe-impact-dot.on { background: var(--xe-danger); box-shadow: 0 0 6px var(--xe-danger); }

.xe-affects {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--xe-cyan);
  letter-spacing: 0.04em;
}

.xe-source {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--xe-muted);
  text-decoration: none;
}
.xe-source:hover { color: var(--xe-cyan); }

/* ── Empty / loading / error ──────────────────────────────────────── */
.xe-state {
  padding: 36px 22px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--xe-muted);
  letter-spacing: 0.06em;
}
.xe-state.error { color: var(--xe-danger); }
.xe-spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 1.5px solid var(--xe-border);
  border-top-color: var(--xe-cyan);
  border-radius: 50%;
  animation: xe-spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
@keyframes xe-spin { to { transform: rotate(360deg); } }

/* ── AI summary panel ─────────────────────────────────────────────── */
.xe-summary {
  border-top: 2px solid var(--xe-border);
  background: linear-gradient(180deg, var(--xe-surface), var(--xe-bg));
  padding: 14px 18px;
}
.xe-summary-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.xe-summary-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--xe-cyan);
  margin: 0;
}
.xe-summary-toggle {
  background: none;
  border: 1px solid var(--xe-border);
  color: var(--xe-muted);
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 8px;
  cursor: pointer;
}
.xe-summary-toggle:hover { color: var(--xe-cyan); border-color: var(--xe-cyan); }
.xe-summary-body {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--xe-text);
  white-space: pre-wrap;
}
.xe-summary-body.collapsed { display: none; }
.xe-summary-attribution {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--xe-muted);
  letter-spacing: 0.06em;
}