:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #132238;
  --muted: #5f7087;
  --border: #dbe4ef;
  --accent: #1c67d7;
  --good: #1a7f37;
  --warn: #b7791f;
  --bad: #b42318;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}
.sub { color: var(--muted); margin-top: 6px; }
.run-form { display: flex; gap: 10px; align-items: center; }
select, button {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 15px;
}
button {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  cursor: pointer;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 6px 20px rgba(18, 41, 70, 0.05);
}
.hero {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.metric {
  background: #f9fbff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}
.metric.wide { grid-column: span 1; }
.label { color: var(--muted); font-size: 14px; }
.value { font-size: 32px; font-weight: 700; margin-top: 6px; }
.value.small { font-size: 16px; line-height: 1.5; font-weight: 600; }
.caps { text-transform: capitalize; }
.grid.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.flash-wrap { margin-bottom: 18px; }
.flash {
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 10px;
}
.flash.success { background: #ecfdf3; color: var(--good); }
.flash.error { background: #fff1f3; color: var(--bad); }
ul { margin: 0; padding-left: 20px; }
@media (max-width: 900px) {
  header, .run-form, .grid.two, .hero { grid-template-columns: 1fr; display: grid; }
}


/* Tooltip container */
.tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
  margin-left: 6px;
  color: #888;
  font-weight: bold;
}

/* Tooltip text */
.tooltip .tooltiptext {
  visibility: hidden;
  width: 260px;
  background-color: #222;
  color: #fff;
  text-align: left;
  border-radius: 6px;
  padding: 8px;
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  margin-left: -130px;
  opacity: 0;
  transition: opacity 0.2s;
  font-size: 12px;
  line-height: 1.4;
}

/* Arrow */
.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #222 transparent transparent transparent;
}

/* Show on hover */
.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}