:root {
  --bg: #0f1115;
  --surface: #181b22;
  --surface-2: #20242e;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --text-dim: #9aa1ad;
  --accent: #5b8cff;
  --accent-2: #4cd9a8;
  --warn: #f5a623;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.4;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 20px; margin: 0; }
.last-updated { color: var(--text-dim); font-size: 13px; }

.highlights, .filters, .feed { padding: 24px 32px; }

.filters {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.filter-group::before {
  content: attr(data-label) ":";
  color: var(--text-dim);
  font-size: 12px;
  margin-right: 4px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  font-size: 13px;
  color: var(--text-dim);
}

.filter-row select, .filter-row input[type="search"] {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
}

.checkbox-label { display: flex; gap: 6px; align-items: center; }

.chip {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}

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

h2 { font-size: 15px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 16px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card.seen { opacity: 0.45; }

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}
.card-title:hover { color: var(--accent); }

.card-summary { font-size: 13px; color: var(--text-dim); }

.badge-row { display: flex; flex-wrap: wrap; gap: 6px; font-size: 11px; }

.badge {
  border-radius: 6px;
  padding: 2px 8px;
  background: var(--surface-2);
  color: var(--text-dim);
}

.badge.lente-corporate { background: #2a3a55; color: #9fc1ff; }
.badge.lente-trending { background: #4a2a55; color: #e3a8ff; }
.badge.lente-emergente { background: #2a5540; color: #7fe3b8; }
.badge.lente-top_aplicacao { background: #553a2a; color: #ffc28a; }

.badge.score { background: var(--accent-2); color: #08251a; font-weight: 700; }

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-dim);
}

.feedback-buttons { display: flex; gap: 6px; }
.feedback-buttons button {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  padding: 2px 8px;
  font-size: 13px;
  color: var(--text);
}
.feedback-buttons button.voted { border-color: var(--accent); }

.empty-state { color: var(--text-dim); font-size: 13px; }