:root {
  --bg: #0b1220;
  --card: #121a2b;
  --line: #243044;
  --text: #e8eef8;
  --muted: #9aa8bf;
  --accent: #3db7ff;
  --accent2: #c0c8d4;
  --ok: #3dd68c;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #15233d 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: rgba(11, 18, 32, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand { display: flex; gap: 0.75rem; align-items: center; }
.logo {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0a101c;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.logo img { max-width: 100%; max-height: 100%; display: none; }
.logo img.loaded { display: block; }
.logo-fallback { font-size: 12px; color: var(--accent); font-weight: 700; }
.brand-title { font-weight: 700; letter-spacing: 0.02em; }
.brand-sub { font-size: 0.8rem; color: var(--muted); }

.nav { display: flex; flex-wrap: wrap; gap: 0.55rem 0.85rem; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
}
.nav a:hover { color: var(--accent); }

main { max-width: 980px; margin: 0 auto; padding: 1.1rem 1.1rem 2.5rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
  margin-bottom: 1rem;
}

.hero h1 { margin: 0.2rem 0 0.5rem; font-size: 1.45rem; line-height: 1.25; }
.lead { color: var(--text); margin: 0 0 0.75rem; }
.eyebrow { color: var(--muted); font-size: 0.8rem; margin: 0; }

h2 { margin: 0 0 0.65rem; font-size: 1.05rem; color: var(--accent); }
h3 { margin: 0.85rem 0 0.4rem; font-size: 0.95rem; color: var(--accent2); }

.muted { color: var(--muted); font-size: 0.92rem; }
.grid { display: grid; gap: 0.85rem; }
@media (min-width: 760px) { .grid.two { grid-template-columns: 1fr 1fr; } }

.box {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem;
  background: #0d1524;
}
.box.accent { border-color: rgba(61, 183, 255, 0.35); }

.callout {
  margin-top: 0.75rem;
  border-left: 3px solid var(--accent);
  background: rgba(61, 183, 255, 0.07);
  border-radius: 0 10px 10px 0;
  padding: 0.65rem 0.85rem;
}

.pills, .tag {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.pill, .tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.75rem;
  color: var(--accent);
}

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td {
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0.35rem;
  text-align: left;
  vertical-align: top;
}
th {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.table-wrap { overflow-x: auto; }

a { color: var(--accent); }

.filters { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.5rem 0 0.75rem; }
.filter {
  background: #0d1524;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  font-size: 0.8rem;
}
.filter.active, .filter:hover {
  color: var(--text);
  border-color: var(--accent);
}

.qa details {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  margin: 0.4rem 0;
  background: #0d1524;
}
.qa summary { cursor: pointer; font-weight: 600; color: var(--accent2); }

.tracker-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }
button#btnExport, button#btnClear, .filter {
  font-family: inherit;
}
#btnExport, #btnClear {
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  cursor: pointer;
  background: #0d1524;
  color: var(--text);
}
#btnExport:hover { border-color: var(--accent); }
#btnClear.danger { color: var(--danger); }

select.status {
  background: #0a101c;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.25rem;
  max-width: 140px;
}
textarea.note {
  width: 100%;
  min-height: 42px;
  background: #0a101c;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.35rem;
  resize: vertical;
  font-family: inherit;
  font-size: 0.85rem;
}

.checklist label { display: block; margin: 0.3rem 0; }
.checklist input { margin-right: 0.4rem; transform: scale(1.05); }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1rem 1rem 2rem;
}

tr.hidden { display: none; }

.activity {
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  background: #0d1524;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}
.log-row { padding: 0.25rem 0; border-bottom: 1px solid rgba(36,48,68,0.7); }
.log-row:last-child { border-bottom: 0; }
.logo img.loaded { display: block; }
.logo-fallback { display: block; }

.nav a.active { color: var(--accent); }
.search {
  width: 100%;
  margin-top: 0.65rem;
  background: #0a101c;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font-family: inherit;
}
.patent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.65rem;
  margin-top: 0.65rem;
}
.patent-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0d1524;
  padding: 0.7rem 0.75rem;
}
.patent-top { display: flex; justify-content: space-between; gap: 0.4rem; align-items: center; margin-bottom: 0.35rem; }
.patent-num { color: var(--muted); font-size: 0.78rem; }
.patent-code { font-weight: 700; color: var(--accent); letter-spacing: 0.02em; }
.patent-name { font-size: 0.88rem; margin: 0.2rem 0 0.25rem; }
.hidden { display: none !important; }

.ask-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.ask-btn {
  background: #1a3a55;
  border: 1px solid var(--accent);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  font-family: inherit;
}
.patent-domain {
  font-size: 0.78rem;
  color: var(--accent2);
  margin: 0.15rem 0 0.35rem;
}
.patent-blurb {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.45;
}
.patent-card { min-height: 150px; }