/* agent-sdk-pulse — dark, GitHub-vibe theme. No external CSS. */

:root {
  --bg:        #0d1117;
  --bg-2:      #161b22;
  --bg-3:      #1f2937;
  --line:      #30363d;
  --text:      #c9d1d9;
  --text-2:    #8b949e;
  --text-3:    #6e7681;
  --accent:    #58a6ff;
  --accent-2:  #3fb950;
  --warn:      #d29922;
  --bad:       #f85149;
  --good:      #2ea043;
  --pill-bg:   rgba(56,139,253,0.15);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter,
               Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji",
               "Segoe UI Emoji";
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

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

main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px;
}

/* topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(13,17,23,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand h1 {
  font-size: 18px;
  margin: 0;
  letter-spacing: -0.02em;
  font-weight: 700;
}
.brand .tagline {
  color: var(--text-2);
  font-size: 13px;
}
.brand .dot {
  width: 10px; height: 10px;
  background: var(--accent-2);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-2);
  align-self: center;
}
.meta { display: flex; align-items: center; gap: 12px; color: var(--text-2); }
.meta button {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 14px;
}
.meta button:hover { background: var(--bg-3); }

.muted { color: var(--text-2); }
.tiny { font-size: 11px; }

/* movers */
.movers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.mover-col {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}
.mover-col h2 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.mover-list .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.mover-list .row:last-child { border-bottom: none; }
.mover-list .name { font-weight: 500; }
.mover-list .pct.up { color: var(--good); font-weight: 600; }
.mover-list .pct.down { color: var(--bad); font-weight: 600; }
.mover-list .small { color: var(--text-2); font-size: 12px; }

/* frameworks */
.frameworks {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
}
.controls input,
.controls select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  min-width: 140px;
}
.controls .spacer { flex: 1; }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  color: var(--text-2);
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}
th.num { text-align: right; }
th[data-sort]:hover { color: var(--text); }
th.sorted-asc::after  { content: " ▲"; color: var(--accent); font-size: 10px; }
th.sorted-desc::after { content: " ▼"; color: var(--accent); font-size: 10px; }

td {
  padding: 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
td.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--bg-3); }

.pill {
  display: inline-block;
  background: var(--pill-bg);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
}
.pill.lang-python      { background: rgba(63,185,80,0.15); color: #56d364; }
.pill.lang-typescript  { background: rgba(56,139,253,0.15); color: #58a6ff; }
.pill.lang-multi       { background: rgba(210,153,34,0.15); color: #e3b341; }

.score-cell {
  font-weight: 700;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.score-cell.dormant { color: var(--bad); }
.score-cell.stale   { color: var(--warn); }
.score-cell.healthy { color: var(--good); }
.score-cell.warm    { color: var(--accent); }

.spark {
  display: inline-block;
  vertical-align: middle;
  height: 24px;
}

/* footer */
footer {
  margin-top: 18px;
  padding: 14px 4px 24px;
  color: var(--text-2);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--line);
}

/* modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal.hidden { display: none; }
.modal-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 22px 18px;
  width: 100%;
  max-width: 880px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal-card.narrow { max-width: 640px; }
.modal h2 { margin: 0 0 12px; }
.modal .close {
  position: absolute;
  top: 10px;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-2);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}
.modal .close:hover { color: var(--text); }

.modal-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
  font-size: 13px;
  margin-bottom: 16px;
  color: var(--text-2);
}
.modal-meta strong { color: var(--text); }

.modal-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.chart-block {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}
.chart-block h3 {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--text-2);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-source ul { margin: 4px 0 0; padding-left: 18px; font-size: 12px; color: var(--text-2); }
.modal-source li { margin: 2px 0; }

#jsonBody {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  max-height: 60vh;
  overflow: auto;
  font-size: 12px;
  color: var(--text);
}

/* responsive */
@media (max-width: 720px) {
  .movers { grid-template-columns: 1fr; }
  .modal-charts { grid-template-columns: 1fr; }
  .brand .tagline { display: none; }
  th, td { font-size: 12px; padding: 6px 4px; }
}