:root {
  --bg: #f4f4f6;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #6b6b76;
  --border: #e3e3ea;
  --accent: #3d50c0;
  --accent-soft: #e4e8ff;
  --warn: #c9891f;

  --bgh: #8a4f9a;
  --pushpay: #2a8a5f;
  --sixth: #c04e4e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--accent);
  color: white;
  padding: 18px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
}

.subtitle {
  font-size: 13px;
  opacity: 0.75;
  margin-left: 10px;
}

.refresh button {
  background: rgba(255,255,255,0.15);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

.refresh button:hover {
  background: rgba(255,255,255,0.25);
}

.filters {
  background: var(--surface);
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-right: 4px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.15s;
}

.chip:hover {
  border-color: var(--accent);
}

.chip.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.chip.active .num {
  background: rgba(255,255,255,0.25);
}

.chip .num {
  background: var(--border);
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

.chip-feed.chip-bgh_capital.active { background: var(--bgh); border-color: var(--bgh); }
.chip-feed.chip-pushpay.active { background: var(--pushpay); border-color: var(--pushpay); }
.chip-feed.chip-sixth_street.active { background: var(--sixth); border-color: var(--sixth); }

.search {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.search input[type=text] {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  width: 240px;
}

.search button {
  padding: 7px 14px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

.search .clear {
  align-self: center;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}

.items {
  padding: 20px 28px;
  max-width: 900px;
  margin: 0 auto;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
}

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

.item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: 6px;
  padding: 16px 18px;
  margin-bottom: 12px;
  transition: border-color 0.15s;
}

.item.feed-bgh_capital { border-left-color: var(--bgh); }
.item.feed-pushpay { border-left-color: var(--pushpay); }
.item.feed-sixth_street { border-left-color: var(--sixth); }

.item.read { opacity: 0.72; }
.item.starred { background: #fffbe8; }

.item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.tag {
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.03em;
  color: white;
  text-transform: uppercase;
}

.tag-bgh_capital { background: var(--bgh); }
.tag-pushpay { background: var(--pushpay); }
.tag-sixth_street { background: var(--sixth); }

.item-title {
  margin: 2px 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
}

.item-title a {
  color: var(--text);
  text-decoration: none;
}

.item-title a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.item-summary {
  font-size: 14px;
  color: #3c3c43;
  margin-bottom: 10px;
}

.item-summary b, .item-summary strong {
  background: var(--accent-soft);
  padding: 0 2px;
  border-radius: 2px;
}

.item-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.item-actions form { margin: 0; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost.starred {
  color: var(--warn);
  border-color: var(--warn);
}

.foot {
  padding: 16px 28px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.poll-stat {
  margin-right: 14px;
}

@media (max-width: 720px) {
  .topbar { padding: 14px 18px; }
  .filters { padding: 12px 18px; }
  .items { padding: 16px 18px; }
  .search { margin-left: 0; width: 100%; }
  .search input[type=text] { flex: 1; width: auto; }
}