:root {
  --bg: #0c0d10;
  --surface: #16181d;
  --surface-2: #1c1f26;
  --border: #262a33;
  --text: #e6e8ee;
  --muted: #8a92a3;
  --accent: #ff5a5f;
  --accent-dim: rgba(255, 90, 95, 0.18);
  --success: #4ade80;

  --sev-critical: #ef4444;
  --sev-high:     #f97316;
  --sev-medium:   #eab308;
  --sev-low:      #6b7280;

  --radius: 10px;
  --radius-sm: 6px;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;

  --shadow-card: 0 1px 0 rgba(255,255,255,0.02), 0 12px 28px -16px rgba(0,0,0,0.6);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 15px; line-height: 1.5; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); background: var(--surface-2); padding: 1px 4px; border-radius: 3px; font-size: 0.85em; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 24px; background: rgba(12,13,16,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.logo { display: inline-flex; align-items: center; justify-content: center;
        width: 36px; height: 36px; border-radius: 8px; background: var(--accent-dim); color: var(--accent);
        font-size: 22px; font-weight: 600; }
.brand h1 { margin: 0; font-size: 18px; letter-spacing: -0.01em; }
.tagline { margin: 2px 0 0; font-size: 13px; color: var(--muted); }

.stats { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; align-items: flex-end; }
.stat-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-value { font-family: var(--mono); font-size: 16px; }

.ghost-btn {
  background: transparent; color: var(--text); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: var(--radius-sm); cursor: pointer; font-size: 13px;
  transition: background 120ms ease, border-color 120ms ease;
}
.ghost-btn:hover { background: var(--surface-2); border-color: #2f3441; }
.ghost-btn:active { transform: translateY(1px); }
.ghost-btn[disabled] { opacity: 0.55; cursor: progress; }

/* ---------- Layout ---------- */
main { max-width: 1100px; margin: 0 auto; padding: 24px; }

/* ---------- Filters ---------- */
.filters {
  display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 20px;
}
.filter-group { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.filter-group.grow { flex: 1; min-width: 220px; justify-content: flex-end; }
.filter-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-right: 4px; }
.chip {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  font-size: 12.5px; padding: 4px 10px; border-radius: 999px;
  cursor: pointer; transition: all 120ms ease;
}
.chip:hover { color: var(--text); border-color: #353a47; }
.chip.active { background: var(--accent-dim); color: var(--text); border-color: rgba(255,90,95,0.4); }
.search {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 6px 12px; border-radius: var(--radius-sm); font-size: 13px; min-width: 200px; width: 100%; max-width: 320px;
}
.search:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }

/* ---------- Feed ---------- */
.feed { display: flex; flex-direction: column; gap: 12px; }

.placeholder {
  background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 48px 24px; color: var(--muted); text-align: center;
}
.placeholder-inner { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.placeholder-inner small { font-size: 12px; opacity: 0.7; }
.placeholder .dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent); animation: pulse 1.4s infinite ease-out;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,90,95,0.55); }
  100% { box-shadow: 0 0 0 14px rgba(255,90,95,0); }
}

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; display: grid; grid-template-columns: 14px 1fr auto;
  gap: 14px; align-items: start; transition: border-color 120ms ease, transform 120ms ease;
  box-shadow: var(--shadow-card);
}
.card:hover { border-color: #313643; }
.card.selected { border-color: var(--accent); }

.sev-dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 7px; box-shadow: 0 0 0 3px rgba(0,0,0,0.4); }
.sev-critical { background: var(--sev-critical); }
.sev-high     { background: var(--sev-high); }
.sev-medium   { background: var(--sev-medium); }
.sev-low      { background: var(--sev-low); }

.card-body { min-width: 0; }
.product { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.product-name { font-weight: 600; font-size: 16px; }
.product-name.unknown { color: var(--muted); font-style: italic; }
.badge {
  font-size: 10.5px; padding: 2px 7px; border-radius: 999px;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
  text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--mono);
}
.badge.cat       { background: rgba(74,222,128,0.08); color: #88f0b3; border-color: rgba(74,222,128,0.2); }
.badge.src       { background: var(--surface-2); }
.badge.src.hn    { color: #ff8a3d; }
.badge.src.github{ color: #c8c2ff; }
.badge.src.reddit{ color: #ff8c8c; }

.one-line { margin: 6px 0 0; color: var(--text); font-size: 14px; }
.title-line { margin: 6px 0 0; color: var(--muted); font-size: 13px; font-style: italic; }
.title-line a { color: inherit; }
.title-line a:hover { color: var(--text); }

.entities { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.entity { font-size: 11.5px; padding: 2px 8px; border-radius: 999px;
          background: var(--surface-2); color: var(--muted); cursor: pointer; border: 1px solid var(--border); font-family: var(--mono); }
.entity:hover { color: var(--text); border-color: #353a47; }

.card-meta { text-align: right; color: var(--muted); font-size: 12px; font-family: var(--mono); display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }
.score { color: var(--text); }

.load-more-wrap { display: flex; justify-content: center; margin: 24px 0; }

footer {
  margin: 48px auto 32px; max-width: 1100px; padding: 0 24px; color: var(--muted); font-size: 12.5px;
}
footer .micro { font-size: 11px; opacity: 0.7; }

/* ---------- Empty & error states ---------- */
.empty { text-align: center; padding: 36px; color: var(--muted); }
.error {
  background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5; padding: 14px 16px; border-radius: var(--radius); font-family: var(--mono); font-size: 13px;
}

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .stats { width: 100%; justify-content: flex-start; }
  .card { grid-template-columns: 14px 1fr; }
  .card-meta { grid-column: 2; text-align: left; flex-direction: row; gap: 12px; flex-wrap: wrap; align-items: flex-start; }
}