/* ── News Impact Feed ──────────────────────────────────────────────── */
.obs-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.78rem;
}
.obs-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 180ms ease;
}
.obs-social-link:hover,
.obs-social-link:focus-visible { color: #fff; }
.obs-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.7);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 180ms, color 180ms;
}
.obs-share-btn:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* News impact section */
.obs-news-impact {
  margin: 2rem 0;
  background: var(--obs-surface, #0e1117);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  overflow: hidden;
}
.obs-news-header {
  padding: 1.25rem 1.5rem 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.obs-news-header h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: #e8e6e0;
  margin: 0 0 0.25rem;
}
.obs-news-sub {
  font-size: 0.78rem;
  color: rgba(232,230,224,0.5);
  margin: 0 0 0.75rem;
}
.obs-news-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
.obs-news-filter-btn {
  padding: 0.2rem 0.65rem;
  font-size: 0.72rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(232,230,224,0.6);
  border-radius: 999px;
  cursor: pointer;
  transition: background 150ms, color 150ms;
}
.obs-news-filter-btn.active,
.obs-news-filter-btn:hover { background: rgba(255,255,255,0.14); color: #e8e6e0; }
.obs-news-add-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  background: rgba(1,105,111,0.3);
  border: 1px solid rgba(1,105,111,0.5);
  color: #4fc3c9;
  border-radius: 4px;
  cursor: pointer;
  transition: background 150ms;
}
.obs-news-add-btn:hover { background: rgba(1,105,111,0.5); }

/* Submission form */
.obs-news-submit {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  background: rgba(0,0,0,0.2);
}
.obs-news-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: rgba(232,230,224,0.6);
  margin-bottom: 0.6rem;
}
.obs-news-form input,
.obs-news-form select,
.obs-news-form textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: #e8e6e0;
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  font-family: inherit;
  transition: border-color 150ms;
}
.obs-news-form input:focus,
.obs-news-form select:focus,
.obs-news-form textarea:focus {
  outline: none;
  border-color: rgba(1,105,111,0.7);
}
.obs-news-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
@media (max-width: 600px) { .obs-news-form-row { grid-template-columns: 1fr; } }
.obs-news-form-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.obs-news-submit-btn {
  padding: 0.4rem 1rem;
  background: rgba(1,105,111,0.7);
  border: none;
  color: #e8e6e0;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 150ms;
}
.obs-news-submit-btn:hover { background: rgba(1,105,111,1); }
.obs-news-cancel-btn {
  padding: 0.4rem 0.75rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(232,230,224,0.6);
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
}
.obs-news-status { font-size: 0.72rem; margin-top: 0.3rem; min-height: 1em; }

/* News list */
.obs-news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 520px;
  overflow-y: auto;
}
.obs-news-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.5rem 0.85rem;
  align-items: start;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 120ms;
}
.obs-news-item:last-child { border-bottom: none; }
.obs-news-item:hover { background: rgba(255,255,255,0.03); }
.obs-news-item[data-filter="paradigm"] { border-left: 2px solid #d163a7; }
.obs-news-item[data-filter="structure"] { border-left: 2px solid #da7101; }
.obs-news-item[data-filter="rules"]     { border-left: 2px solid #d19900; }
.obs-news-item[data-filter="parameters"]{ border-left: 2px solid #4f98a3; }

.obs-news-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  min-width: 3rem;
  padding: 0.25rem 0.4rem;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  text-align: center;
}
.obs-news-badge-tier {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  line-height: 1;
  color: #e8e6e0;
}
.obs-news-badge-impact {
  font-size: 0.68rem;
  color: rgba(232,230,224,0.45);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.obs-news-body { min-width: 0; }
.obs-news-headline {
  font-size: 0.85rem;
  font-weight: 600;
  color: #e8e6e0;
  margin: 0 0 0.2rem;
  line-height: 1.35;
}
.obs-news-headline a { color: inherit; text-decoration: none; }
.obs-news-headline a:hover { text-decoration: underline; }
.obs-news-reason {
  font-size: 0.75rem;
  color: rgba(232,230,224,0.5);
  margin: 0;
  line-height: 1.45;
}

.obs-news-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.2rem;
  white-space: nowrap;
}
.obs-news-date {
  font-size: 0.68rem;
  color: rgba(232,230,224,0.35);
}
.obs-news-impact-dot { font-size: 0.8rem; }

/* Skeleton loader */
.obs-news-skeleton { animation: obs-shimmer 1.5s ease-in-out infinite; }
@keyframes obs-shimmer {
  0%,100%{ opacity:0.4 } 50%{ opacity:0.8 }
}
.skel { display: block; background: rgba(255,255,255,0.07); border-radius: 3px; }
.skel-badge  { width:3rem; height:3rem; }
.skel-text   { height:1rem; width:100%; margin-top:0.5rem; }
.skel-meta   { width:4rem; height:1rem; }

/* Sources panel */
.obs-news-sources {
  padding: 0.75rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.75rem;
  color: rgba(232,230,224,0.5);
}
.obs-news-sources summary { cursor: pointer; color: rgba(232,230,224,0.4); }
.obs-news-sources p { margin: 0.5rem 0; }
.obs-news-source-list { padding-left: 1.25rem; margin: 0.25rem 0; }
.obs-news-source-list li { margin: 0.25rem 0; }
.obs-news-source-list a { color: rgba(79,195,201,0.7); }
.obs-news-source-list a:hover { color: #4fc3c9; }