:root {
  --bg: #0e1116;
  --bg-card: #161b22;
  --bg-card-hi: #1c232c;
  --border: #2d333b;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --grey: #6e7681;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro Display", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.9em; }
.muted { color: var(--text-muted); }
.small { font-size: 12px; }

/* ── Header ─────────────────────────────────── */
.hdr {
  position: sticky; top: 0; z-index: 10;
  background: rgba(14,17,22,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.hdr-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 12px 24px;
  display: flex; align-items: center; gap: 24px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.brand span { color: var(--accent); }
nav { display: flex; gap: 18px; align-items: center; flex: 1; }
nav .meta { margin-left: auto; color: var(--text-muted); font-size: 13px; }

/* ── Layout ─────────────────────────────────── */
.main { max-width: 1280px; margin: 0 auto; padding: 24px; }
.panel { padding: 8px 0 24px; }
.panel h1 { margin: 0 0 16px; font-size: 28px; }
.count {
  display: inline-block;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1px 10px;
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  margin-left: 8px; vertical-align: middle;
}

/* ── Filters ─────────────────────────────────── */
.filters {
  display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; margin-bottom: 24px;
}
.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-group label { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.filter-group select, .filter-group input {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 10px; font-size: 14px; min-width: 200px;
}
.range { display: flex; align-items: center; gap: 6px; }
.range input { min-width: 70px; }
#f-reset {
  background: transparent; color: var(--text-muted); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 6px; font-size: 13px; cursor: pointer; height: 32px;
}
#f-reset:hover { color: var(--text); border-color: var(--text-muted); }

/* ── Cards grid ─────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.card {
  display: block;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover {
  border-color: var(--accent);
  text-decoration: none;
  transform: translateY(-1px);
  background: var(--bg-card-hi);
}
.card-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
}
.badge {
  font-family: ui-monospace, monospace; font-size: 12px; color: var(--text-muted);
  background: var(--bg); padding: 2px 8px; border-radius: 4px;
}
.score {
  font-weight: 700; font-size: 18px;
}
.score-high  { color: var(--green); border-color: var(--green); }
.score-mid   { color: var(--yellow); border-color: var(--yellow); }
.score-low   { color: var(--red); border-color: var(--red); }
.score-none  { color: var(--grey); border-color: var(--grey); }
.card.score-high { border-left: 3px solid var(--green); }
.card.score-mid  { border-left: 3px solid var(--yellow); }
.card.score-low  { border-left: 3px solid var(--red); }
.card.score-none { border-left: 3px solid var(--grey); opacity: 0.7; }

.card h3 {
  margin: 0 0 8px; font-size: 16px; font-weight: 600;
}
.card p.problem {
  margin: 0 0 12px; color: var(--text-muted); font-size: 14px;
}
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 11px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 2px 7px; color: var(--text-muted);
  text-transform: lowercase; letter-spacing: 0.3px;
}
.tier-developed { color: var(--green); }
.tier-emerging  { color: var(--yellow); }
.tier-frontier  { color: var(--red); }
.status-clean        { color: var(--green); }
.status-soft_block   { color: var(--yellow); }
.status-disqualified { color: var(--red); }

/* ── Idea drill-down ─────────────────────────────────── */
.idea-header {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  padding: 12px 0;
}
.back { font-size: 13px; color: var(--text-muted); }
.idea h1 { font-size: 24px; margin: 8px 0 24px; }
.idea-grid {
  display: grid; grid-template-columns: 1fr 320px;
  gap: 32px;
}
@media (max-width: 800px) { .idea-grid { grid-template-columns: 1fr; } }
.col-main h2 { font-size: 18px; margin: 24px 0 8px; }
.col-side .block {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; margin-bottom: 14px;
}
.col-side h3 {
  margin: 0 0 10px; font-size: 13px; text-transform: uppercase; color: var(--text-muted);
  letter-spacing: 0.5px;
}
.kv { width: 100%; border-collapse: collapse; font-size: 13px; }
.kv td { padding: 4px 0; vertical-align: top; }
.kv td:first-child { color: var(--text-muted); }
.kv td.r { text-align: right; }
.cmp-list { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.cmp-list li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.cmp-list li:last-child { border-bottom: none; }
.md-body { font-size: 14px; }
.md-body p { margin: 8px 0; }
.md-body ul { padding-left: 20px; }

/* ── Footer ─────────────────────────────────── */
.ftr {
  max-width: 1280px; margin: 40px auto 24px;
  padding: 16px 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text-muted);
}
.ftr code { color: var(--text-muted); }