/* Minimal, readable, no frameworks */
:root {
  --bg: #0b0f14;
  --card: #121823;
  --text: #e7eef7;
  --muted: #9fb0c3;
  --line: rgba(255,255,255,0.08);
  --primary: #4ea1ff;
  --danger: #ff5a6a;
  --ghost: rgba(255,255,255,0.06);
  --ok: #44d07b;
  --warn: #ffd166;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(1200px 700px at 20% -10%, rgba(78,161,255,0.25), transparent 60%),
              radial-gradient(900px 500px at 80% 0%, rgba(255,90,106,0.15), transparent 55%),
              var(--bg);
  color: var(--text);
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 18px; }
header h1 { margin: 0 0 6px; font-size: 22px; letter-spacing: .2px; }
.sub { margin: 0; color: var(--muted); line-height: 1.4; }

.grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 980px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .grid section:nth-child(3),
  .grid section:nth-child(4) { grid-column: 1 / -1; }
}

.card {
  background: rgba(18,24,35,0.88);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
}

.card h2 { margin: 0 0 10px; font-size: 16px; }
.small { font-size: 12px; }
.muted { color: var(--muted); }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 10px 0; }
.row label { min-width: 120px; color: var(--muted); }
.label { display: block; margin: 8px 0 6px; color: var(--muted); }
.chk { min-width: unset; display: inline-flex; align-items: center; gap: 8px; }

input[type="number"], select, textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 10px;
  outline: none;
}
select { padding-right: 26px; }
textarea { width: 100%; resize: vertical; min-height: 110px; }

button {
  border: 1px solid var(--line);
  background: var(--ghost);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
}
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary { background: rgba(78,161,255,0.20); border-color: rgba(78,161,255,0.45); }
button.danger { background: rgba(255,90,106,0.18); border-color: rgba(255,90,106,0.5); }
button.ghost { background: rgba(255,255,255,0.05); }
button.mini { padding: 6px 8px; border-radius: 10px; font-size: 12px; }

.badge {
  display: inline-flex; align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12px;
}
.badge.ok { border-color: rgba(68,208,123,0.55); background: rgba(68,208,123,0.12); }
.badge.no { border-color: rgba(255,90,106,0.55); background: rgba(255,90,106,0.12); }

.split { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 560px) { .split { grid-template-columns: 1fr 1fr; } }

.logBox {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0,0,0,0.15);
}
.logHead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
pre#log {
  margin: 0;
  padding: 10px;
  font-family: var(--mono);
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 220px;
  overflow: auto;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
  margin-top: 10px;
}
@media (min-width: 820px) {
  .metrics { grid-template-columns: repeat(4, minmax(0,1fr)); }
}
.metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255,255,255,0.03);
}
.metric .k { color: var(--muted); font-size: 12px; }
.metric .v { font-size: 20px; margin-top: 4px; }

.diff {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: rgba(0,0,0,0.12);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
}
.diff .eq { color: var(--text); }
.diff .ins { color: var(--ok); }
.diff .del { color: var(--danger); text-decoration: line-through; opacity: 0.9; }
.diff .sub { color: var(--warn); }

.runs {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: auto;
}
table { width: 100%; border-collapse: collapse; min-width: 820px; }
thead th {
  position: sticky; top: 0;
  background: rgba(18,24,35,0.96);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-weight: 600;
  text-align: left;
  padding: 10px;
  font-size: 12px;
}
tbody td {
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 10px;
  font-size: 12px;
  vertical-align: top;
}
tbody tr:hover { background: rgba(255,255,255,0.03); }