/* ── Explore topic switcher ── */
.topics-switcher {
  display: flex;
  gap: 0;
  padding: 14px 12px 10px;
  margin: 0 12px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0,0,0,.04);
  border: 1px solid var(--border);
}

.topic-tab {
  flex: 1;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .2s, background .2s, border-color .2s;
  text-transform: none;
}

.topic-tab:hover {
  color: var(--text-2);
  background: rgba(255,255,255,.22);
}

.topic-tab.active {
  color: var(--text);
  background: rgba(255,255,255,.72);
  border-bottom-color: rgba(0,0,0,.22);
}

.topic-meta {
  display: none;
  padding: 0 16px 8px;
  font-size: 10px;
  font-family: var(--mono);
  color: var(--text-3);
}

.topic-meta.visible {
  display: block;
}

/* ── Digest blocks ── */
.digest-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 0 2px;
}

.digest-item {
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.35);
  border: 1px solid rgba(0,0,0,.03);
}

.digest-item-count {
  font-size: 10px;
  font-family: var(--mono);
  color: var(--text-3);
  margin-bottom: 4px;
}

.digest-item-desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.empty {
  padding: 12px;
  color: var(--text-3);
  font-size: 12px;
}

/* ── App container ── */
.app {
  display: flex;
  width: 100vw;
  height: 100vh;
}

/* ── Scatter ── */
.scatter-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 48% 50%, #efe9dc 0%, #f5f0e6 70%);
}

#scatter-chart { width: 100%; height: 100%; }

.scatter-lines {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 100;
  display: block;
}

.scatter-hint {
  position: absolute;
  bottom: 16px;
  left: 20px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-3);
  pointer-events: none;
  opacity: 0;
  animation: fadeIn 0.6s 0.5s forwards;
}

/* ── Right panel (floating card) ── */
.right-panel {
  width: var(--panel-w);
  min-width: 0;
  position: relative;
  overflow: hidden;
  background: rgba(250,247,240,.88);
  border-radius: var(--radius) 0 0 var(--radius);
  border-left: 1px solid rgba(0,0,0,.03);
  box-shadow: -6px 0 28px -4px rgba(0,0,0,.07);
  margin: 12px 0 12px -12px;
  z-index: 10;
}

.panel-list, .panel-detail {
  position: absolute;
  top: 48px; left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.panel-list { transform: translateX(0); }
.panel-list.hidden { transform: translateX(-100%); pointer-events: none; }

.panel-detail { transform: translateX(100%); }
.panel-detail.active { transform: translateX(0); }

/* ── Toolbar ── */
.toolbar {
  padding: 0 12px 10px;
  display: flex;
  gap: 6px;
  align-items: center;
}

.toolbar input {
  flex: 1;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.45);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}

.toolbar input::placeholder { color: var(--text-3); }
.toolbar input:focus { border-color: var(--border-2); background: rgba(255,255,255,.65); }

/* ── Cluster list ── */
.cluster-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 10px;
}

.cluster-list::-webkit-scrollbar { width: 3px; }
.cluster-list::-webkit-scrollbar-track { background: transparent; }
.cluster-list::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,.08);
  border-radius: 2px;
}

.card {
  padding: 12px 14px;
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
}

.card:hover { background: rgba(0,0,0,.04); }
.card.active { background: rgba(0,0,0,.06); }

.card-head {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 6px;
}

.tag {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.2px;
  padding: 2px 7px;
  border-radius: 3px;
  background: rgba(0,0,0,.04);
  color: var(--text-3);
}

.tag.count { color: var(--text-2); }

.card-desc {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Pagination ── */
.pagination {
  padding: 10px 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  color: var(--text-3);
  font-family: var(--mono);
}

.pagination button {
  padding: 6px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 13.5px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.pagination button:hover:not(:disabled) {
  border-color: var(--border-2);
  color: var(--text);
  background: rgba(0,0,0,.02);
}

.pagination button:disabled { opacity: 0.25; cursor: default; }

/* ── Detail panel ── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 14px 12px 10px;
  background: none;
  border: none;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.15s;
}

.back-btn:hover { color: var(--text); }

.detail-body {
  padding: 0 16px 16px;
  flex: 1;
  overflow-y: auto;
}

.detail-body::-webkit-scrollbar { width: 3px; }
.detail-body::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,.08);
  border-radius: 2px;
}

.detail-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 16px;
  padding: 0 16px;
}

.desc-block { margin-bottom: 16px; }

.desc-label {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}

.desc-text {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-2);
  white-space: pre-wrap;
}

.events-head {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
  margin-top: 8px;
}

.event {
  padding: 10px 12px;
  margin-bottom: 3px;
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--border);
  transition: border-color 0.15s, background 0.15s;
}

.event:hover {
  border-left-color: var(--border-2);
  background: rgba(0,0,0,.03);
}

.event:hover .event-text { color: var(--text); }
.event:hover .event-meta { color: var(--text-2); }
.event:hover .event-link { opacity: 1; }

.event-meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-3);
  margin-bottom: 4px;
}

.event-text {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-2);
}

.event-link {
  font-size: 11px;
  color: var(--text-2);
  text-decoration: none;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.event-link:hover { opacity: 1; }

.events-pag {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding-top: 10px;
}

.events-pag button {
  padding: 6px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 13.5px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.events-pag button:disabled { opacity: 0.25; }
.events-pag button:hover:not(:disabled) { border-color: var(--border-2); color: var(--text); }
.events-pag span { font-family: var(--mono); font-size: 10px; color: var(--text-3); align-self: center; }

/* ── Related clusters (parent / children) ── */
.related-cluster {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,.03);
  border: 1px solid rgba(0,0,0,.05);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-2);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  text-decoration: none;
}

.related-cluster:hover {
  background: rgba(0,0,0,.06);
  border-color: rgba(0,0,0,.1);
  color: var(--text);
}

.related-cluster-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.related-cluster.chip {
  font-size: 11px;
  padding: 4px 10px;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  html, body { overflow: auto; height: auto; }
  .app { flex-direction: column; height: auto; min-height: 100vh; }
  .scatter-wrap { height: 45vh; min-height: 280px; flex: none; }
  .right-panel {
    width: 100%; height: auto; min-height: 55vh;
    border-radius: 20px 20px 0 0; margin: -12px 0 0;
    border-left: none; border-top: 1px solid rgba(0,0,0,.03);
    box-shadow: 0 -4px 20px rgba(0,0,0,.06);
  }
  .panel-list, .panel-detail { top: 0; }
  .topics-switcher {
    margin: 0 10px;
    padding: 0;
    border-radius: 12px;
  }
  .topic-tab {
    min-width: 0;
    padding: 11px 6px;
    font-size: 10px;
    line-height: 1.2;
    white-space: normal;
    word-break: break-word;
  }
  .topic-meta {
    padding: 6px 14px 8px;
    line-height: 1.4;
  }
}