* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 2rem 1rem 4rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: #f8fafc;
  color: #0f172a;
  line-height: 1.55;
}
header {
  max-width: 860px;
  margin: 0 auto 1.25rem;
  padding: 0 0.5rem;
}
header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.9rem;
  color: #0a5c36;
}
header .tag {
  margin: 0;
  color: #475569;
  font-size: 0.9rem;
}
main {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(15,23,42,0.04);
}
.controls {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.6rem;
}
@media (max-width: 640px) {
  .controls { grid-template-columns: 1fr; }
}
input, select {
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
}
input:focus, select:focus {
  outline: 2px solid #0a5c36;
  outline-offset: 1px;
  border-color: #0a5c36;
}
.meta {
  color: #64748b;
  font-size: 0.85rem;
  margin: 0.75rem 0 1rem;
}
.entry {
  border-top: 1px solid #e2e8f0;
  padding: 0.9rem 0;
}
.entry:last-child { border-bottom: 1px solid #e2e8f0; }
.entry .cat {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #0a5c36;
  background: #dcfce7;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 4px;
}
.entry .q {
  font-weight: 600;
  margin: 0.2rem 0 0.35rem;
}
.entry .a {
  color: #334155;
  font-size: 0.95rem;
}
mark {
  background: #fef08a;
  padding: 0 2px;
  border-radius: 2px;
}
footer {
  max-width: 860px;
  margin: 1.5rem auto 0;
  padding: 0 0.5rem;
  font-size: 0.82rem;
  color: #64748b;
  text-align: center;
}
footer a { color: #0a5c36; }