:root {
  --bg: #07090c;
  --panel: #0f1318;
  --panel-2: #161b22;
  --border: #21262d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #4cc4ff;
  --good: #2ec27e;
  --bad: #ff5f6d;
  --warn: #f0b429;
  --grade-a: #2ec27e;
  --grade-b: #7bd88f;
  --grade-c: #f0b429;
  --grade-d: #f17c4a;
  --grade-f: #ff5f6d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "SF Pro Text", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0a0d12 0%, var(--bg) 100%);
  position: sticky;
  top: 0;
  z-index: 5;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.brand .logo {
  color: var(--accent);
  font-size: 22px;
}
.brand h1 {
  font-size: 16px;
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.brand .tagline {
  color: var(--muted);
  font-size: 12px;
}

.tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.tabs a {
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 500;
  font-size: 13px;
}
.tabs a.active {
  background: var(--panel-2);
  color: var(--text);
}

main {
  padding: 18px 24px 80px;
  max-width: 1280px;
  margin: 0 auto;
}

footer.bot {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 24px;
  background: rgba(7, 9, 12, 0.95);
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  z-index: 10;
}
footer .spacer { flex: 1; }

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}
.dot.ok { background: var(--good); box-shadow: 0 0 6px rgba(46, 194, 126, 0.6); }
.dot.bad { background: var(--bad); }

/* Stat strip */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.stat-card {
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.stat-card .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 4px;
}
.stat-card .value {
  font-size: 20px;
  font-weight: 600;
}
.stat-card .sub {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

/* Filters */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 8px 0 14px;
}
.toolbar select, .toolbar input {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
}
.toolbar label {
  color: var(--muted);
  font-size: 12px;
}

/* Table */
table.grid {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 13px;
}
table.grid th {
  text-align: left;
  background: var(--panel-2);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}
table.grid td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.grid tr:hover td {
  background: rgba(76, 196, 255, 0.04);
}
table.grid tr.detail-row td {
  background: #0a0e13;
  border-top: 1px dashed var(--border);
}
.right { text-align: right; }
.center { text-align: center; }
.mono { font-family: "JetBrains Mono", Menlo, Consolas, monospace; }
.tnum { font-variant-numeric: tabular-nums; }

/* Grade badge */
.grade {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 22px;
  padding: 0 6px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 12px;
  color: #0a0d12;
}
.grade-A { background: var(--grade-a); }
.grade-B { background: var(--grade-b); }
.grade-C { background: var(--grade-c); }
.grade-D { background: var(--grade-d); }
.grade-F { background: var(--grade-f); color: #fff; }

/* Axis chips */
.chips { display: inline-flex; gap: 4px; }
.chip {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: #2a2f37;
  border: 1px solid var(--border);
}
.chip.ok { background: var(--good); }
.chip.no { background: var(--bad); }
.chip-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.chip-label { display: inline-flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); }

/* Cards (shame/fame) */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.card .id {
  font-weight: 600;
  font-size: 14px;
  word-break: break-all;
}
.card .meta {
  font-size: 12px;
  color: var(--muted);
  margin: 4px 0 10px;
}
.card .missing {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.card .miss-tag {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 95, 109, 0.12);
  border: 1px solid rgba(255, 95, 109, 0.35);
  color: var(--bad);
}

/* About */
.prose { max-width: 760px; }
.prose h2 { margin-top: 24px; font-size: 16px; }
.prose code, .prose pre {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
  font-family: "JetBrains Mono", Menlo, monospace;
}
.prose pre { padding: 10px; overflow-x: auto; }

.empty {
  padding: 40px;
  text-align: center;
  color: var(--muted);
}

/* Bar (axis pass rate) */
.bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 12px;
}
.bar-track {
  flex: 1;
  height: 6px;
  background: #1c2129;
  border-radius: 3px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}
.bar-label { color: var(--muted); width: 110px; }
.bar-val { width: 50px; text-align: right; color: var(--text); }

/* Section heading */
.section-h {
  margin: 14px 0 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Spark */
.spark {
  display: inline-block;
  width: 90px;
  height: 22px;
  vertical-align: middle;
}

/* Detail evidence */
.evidence-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.evidence-list li {
  padding: 6px 0;
  border-top: 1px dashed var(--border);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.evidence-list li:first-child { border-top: none; }
.ev-key {
  min-width: 110px;
  color: var(--muted);
  font-size: 12px;
}
.ev-state {
  min-width: 24px;
  font-weight: 700;
}
.ev-state.ok { color: var(--good); }
.ev-state.no { color: var(--bad); }
.ev-evidence {
  flex: 1;
  font-family: "JetBrains Mono", Menlo, monospace;
  font-size: 12px;
  color: var(--text);
  word-break: break-word;
}

/* Delta arrow */
.delta-up { color: var(--good); }
.delta-down { color: var(--bad); }
.delta-flat { color: var(--muted); }