/* Signals — dark minimal theme */

:root {
  --bg: #0e0e11;
  --card: #17171c;
  --card-border: #26262e;
  --text: #e8e8ea;
  --muted: #9a9aa3;
  --accent: #7dd3fc;
  --green: #22c55e;
  --red: #ef4444;
  --blue: #3b82f6;
  --gray: #6b7280;
  --chip: #1e1e24;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

.topbar {
  padding: 28px 20px 8px;
  max-width: 720px;
  margin: 0 auto;
}

.topbar h1 {
  margin: 0;
  font-size: 34px;
  letter-spacing: -0.5px;
}

.tagline {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.meta {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.filters {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 20px 0;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.chip {
  background: var(--chip);
  color: var(--muted);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
  min-height: 40px;
}

.chip.active {
  background: var(--text);
  color: #111;
  border-color: var(--text);
  font-weight: 600;
}

.stats {
  max-width: 720px;
  margin: 0 auto;
  padding: 6px 20px 0;
  color: var(--muted);
  font-size: 14px;
}

.stats strong { color: var(--text); }

#timeline {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 16px;
}

.card-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.date {
  color: var(--muted);
  font-size: 13px;
}

.src {
  font-size: 12px;
  color: var(--accent);
  border: 1px solid #2a3a44;
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
}

.badge {
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 3px 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.v-opportunity { background: rgba(34, 197, 94, 0.15); color: var(--green); border: 1px solid rgba(34, 197, 94, 0.4); }
.v-risk { background: rgba(239, 68, 68, 0.15); color: var(--red); border: 1px solid rgba(239, 68, 68, 0.4); }
.v-theme { background: rgba(59, 130, 246, 0.15); color: var(--blue); border: 1px solid rgba(59, 130, 246, 0.4); }
.v-none { background: rgba(107, 114, 128, 0.15); color: var(--gray); border: 1px solid rgba(107, 114, 128, 0.4); }

.card h2 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.35;
}

.card h2 a {
  color: var(--text);
  text-decoration: none;
}

.card h2 a:hover { text-decoration: underline; }

.card ul {
  margin: 0;
  padding-left: 20px;
  color: #c9c9d1;
  font-size: 15px;
}

.card li { margin-bottom: 6px; }
.card li:last-child { margin-bottom: 0; }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 20px;
}

footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 40px;
  color: var(--muted);
  font-size: 13px;
}

.legend { line-height: 2; }

.updated { margin-top: 8px; }