:root {
  --idea-soft: #edf5f0;
  --idea-line: #d4e3da;
}

.v213-idea-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel, 14px);
  background: linear-gradient(135deg, #f7faf8, #eef5f1);
}

.v213-idea-label {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.v213-idea-hero h3 {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.035em;
}

.v213-idea-hero p {
  max-width: 62ch;
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.v213-idea-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.v213-idea-stats > div {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface, #fff);
}

.v213-idea-stats span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.v213-idea-stats b {
  display: block;
  margin-top: 8px;
  color: var(--text);
  font-size: 24px;
  line-height: 1;
}

.v213-idea-filters {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 170px 170px;
  gap: 12px;
  margin: 18px 0;
}

.v213-idea-list {
  display: grid;
  gap: 12px;
}

.v213-idea-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface, #fff);
}

.v213-idea-card-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
}

.v213-idea-meta,
.v213-idea-context,
.v213-idea-state,
.v213-summary-source {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}

.v213-idea-card h4 {
  margin: 13px 0 7px;
  font-size: 16px;
}

.v213-idea-card > p {
  margin: 0;
  color: var(--text);
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.v213-idea-context {
  margin-top: 12px;
}

.v213-idea-context span {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--idea-soft);
  color: #315c47;
}

.v213-idea-state {
  margin-top: 12px;
}

.v213-idea-state .ok {
  color: var(--accent);
  font-weight: 650;
}

.v213-idea-actions {
  margin-top: 14px;
}

.v213-summary {
  margin-top: 14px;
  padding: 0;
  overflow: hidden;
}

.v213-summary > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.v213-summary > summary::-webkit-details-marker { display: none; }
.v213-summary > summary span:first-child { display: grid; gap: 4px; }
.v213-summary > summary small { color: var(--muted); font-weight: 400; }
.v213-summary-body { padding: 0 20px 20px; border-top: 1px solid var(--line); }

.v213-period-controls {
  display: grid;
  grid-template-columns: 150px 160px 160px auto;
  gap: 12px;
  align-items: end;
  padding-top: 18px;
}

.v213-summary-preview {
  margin-top: 16px;
  border: 1px solid var(--idea-line);
  border-radius: 12px;
  background: #f8fbf9;
  overflow: hidden;
}

.v213-summary-source {
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--idea-line);
}

.v213-summary-preview pre {
  margin: 0;
  padding: 18px;
  color: var(--text);
  font: inherit;
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.v213-summary-history { margin-top: 18px; }
.v213-summary-history h4 { margin: 0 0 10px; }
.v213-summary-history button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.v213-summary-history small { color: var(--muted); }

.v213-empty {
  display: grid;
  justify-items: start;
  gap: 7px;
  padding: 28px;
  color: var(--muted);
}
.v213-empty b { color: var(--text); }
.v213-empty .btn { margin-top: 7px; }

.v213-idea-modal { width: min(720px, calc(100vw - 28px)); }
.v213-ima-modal { width: min(820px, calc(100vw - 28px)); }
.v213-idea-form-grid { margin-top: 14px; }
.v213-original {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 3px solid var(--idea-line);
  background: #f8faf9;
  color: var(--muted);
}
.v213-original b { color: var(--text); font-size: 12px; }
.v213-original p { margin: 5px 0 0; line-height: 1.6; white-space: pre-wrap; }
.v213-helper { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }

#v212QuickType option[value="idea"] { font-weight: 700; }

@media (max-width: 900px) {
  .v213-idea-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v213-idea-filters { grid-template-columns: 1fr 1fr; }
  .v213-idea-filters .field:first-child { grid-column: 1 / -1; }
  .v213-period-controls { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .v213-idea-hero { grid-template-columns: 1fr; align-items: start; padding: 20px; }
  .v213-idea-hero .btn { width: 100%; }
  .v213-idea-stats,
  .v213-idea-filters,
  .v213-period-controls { grid-template-columns: 1fr; }
  .v213-idea-filters .field:first-child { grid-column: auto; }
  .v213-idea-actions .btn { flex: 1 1 calc(50% - 6px); }
  .v213-summary > summary { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  #ideas *, #ideaModal *, #ideaImaModal * { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}