* { box-sizing: border-box; }
body {
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
  line-height: 1.5;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1rem;
  color: #c9d1d9;
  background: #0d1117;
  min-height: 100vh;
}
.wrap { display: flex; flex-direction: column; gap: 2rem; }
header { display: flex; align-items: center; gap: 1rem; }
header a { color: #c9d1d9; text-decoration: none; }
header a:hover { color: #58a6ff; }
h1 { font-size: 1.25rem; font-weight: 600; margin: 0; }
h2 { font-size: 1rem; margin: 0 0 0.5rem 0; }

.inputs {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
}
.inputs label { display: flex; flex-direction: column; gap: 0.25rem; }
.inputs input {
  font-family: inherit;
  font-size: 14px;
  padding: 0.4rem 0.5rem;
  width: 8rem;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 4px;
  color: #c9d1d9;
}
.inputs input:focus {
  outline: none;
  border-color: #58a6ff;
}
.inputs button {
  font-family: inherit;
  font-size: 14px;
  padding: 0.5rem 1rem;
  background: #238636;
  border: none;
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
}
.inputs button:hover { background: #2ea043; }

.summary p { margin: 0.25rem 0; }
.summary strong { color: #8b949e; }
.extra-summary { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid #21262d; }
.extra-summary p { margin: 0.25rem 0; }
.hidden { display: none; }

.chart-section { max-width: 100%; }
.chart-section canvas { max-width: 100%; height: auto; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.4rem 0.75rem; text-align: right; border-bottom: 1px solid #21262d; }
th { color: #8b949e; font-weight: 600; }
th:first-child, td:first-child { text-align: left; }
tbody tr:hover { background: #161b22; }