/* "What's new" widget — appears on the dashboard hub above the dash grid.
 * Tokens follow the rest of gateway.css: --surface-raised / --border-ghost /
 * --radius-md. Dark-mode falls through automatically because every colour
 * here is a token. */

.nv-changelog-widget {
  background: var(--surface-raised, var(--bg-raised));
  border: 1px solid var(--border-ghost);
  border-radius: var(--radius-md, var(--radius));
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  /* Smooth open/close — height isn't animatable so we settle for
     opacity + translate so the widget doesn't pop in jarringly. */
  transition: opacity 0.15s ease;
}

.nv-changelog-widget header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
  gap: var(--space-2);
}

.nv-changelog-widget h3 {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-primary);
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: -0.005em;
}

/* Unseen-count pill — only rendered when count > 0 (JS toggles `hidden`). */
.nv-changelog-widget__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  border-radius: 9px;
  background: var(--text-primary);
  color: var(--text-inverse, var(--bg-base));
  font-size: var(--text-xs);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.nv-changelog-widget__collapse {
  background: none;
  border: 1px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0 var(--space-2);
  font-size: var(--text-md);
  line-height: 1;
  height: 24px;
  border-radius: var(--radius-sm);
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.nv-changelog-widget__collapse:hover,
.nv-changelog-widget__collapse:focus-visible {
  background: var(--interactive-ghost);
  color: var(--text-primary);
  border-color: var(--border-ghost);
  outline: none;
}

.nv-changelog-widget__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nv-changelog-widget footer {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-ghost);
}
.nv-changelog-widget footer a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.12s ease;
}
.nv-changelog-widget footer a:hover {
  color: var(--text-primary);
}

/* ── Items ────────────────────────────────────────────────────────────── */

.nv-changelog-item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-ghost);
  position: relative;
  list-style: none;
}
.nv-changelog-item:last-child { border-bottom: none; }
.nv-changelog-item:first-child { padding-top: 0; }

.nv-changelog-item__date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.02em;
}
.nv-changelog-item__title {
  font-weight: 500;
  color: var(--text-primary);
  margin: 4px 0 2px;
  line-height: 1.4;
  font-size: 13.5px;
}
.nv-changelog-item__body {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Unseen dot — leading bullet that vanishes once /api/changelog/seen
   marks the entry. Sits in the date row's left margin. */
.nv-changelog-item--unseen .nv-changelog-item__date::before {
  content: "●";
  display: inline-block;
  margin-right: 6px;
  color: var(--text-primary);
  font-size: 9px;
  vertical-align: 2px;
}

/* ── Collapsed state ─────────────────────────────────────────────────── */

.nv-changelog-widget[data-collapsed="true"] .nv-changelog-widget__list,
.nv-changelog-widget[data-collapsed="true"] footer {
  display: none;
}
.nv-changelog-widget[data-collapsed="true"] header {
  margin-bottom: 0;
}
.nv-changelog-widget[data-collapsed="true"] .nv-changelog-widget__collapse::before {
  content: "+";
}
.nv-changelog-widget[data-collapsed="true"] .nv-changelog-widget__collapse {
  font-size: 0;
}
.nv-changelog-widget[data-collapsed="true"] .nv-changelog-widget__collapse::before {
  font-size: var(--text-md);
}