:root {
  --bg: #0f172a;
  --card: #111827;
  --ink: #e5e7eb;
  --muted: #94a3b8;
  --ring: #334155;
  --accent: #22c55e;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px;
}
.logo {
  text-align: center;
  margin-bottom: 18px;
}
.logo img {
  max-width: 120px;
  height: auto;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.35));
}
header h1 {
  font-size: 26px;
  margin: 6px 0 4px;
}
header p.lead {
  color: var(--muted);
  margin: 0 0 14px;
}
.chip {
  display: inline-block;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.35);
}
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.card {
  background: var(--card);
  border: 1px solid var(--ring);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
}
.card h2,
.card h3 {
  margin: 4px 0 6px;
  font-size: 18px;
  color: #86efac;
}
.tag {
  color: var(--muted);
  font-size: 14px;
  margin: 2px 0 14px;
}
.links-section {
  margin-top: 14px;
}
.links-section h2 {
  font-size: 16px;
  color: #cbd5e1;
  margin-bottom: 8px;
}
.links-section ul {
  margin: 0;
  padding-left: 18px;
}
.divider {
  height: 1px;
  background: var(--ring);
  margin: 16px 0;
  border-radius: 1px;
}
a {
  color: #93c5fd;
}
.site-nav {
  background: var(--card);
  border-bottom: 1px solid var(--ring);
}
.site-nav ul {
  display: flex;
  list-style: none;
  margin: 0 auto;
  padding: 0 8px;
  max-width: 720px;
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav ul::-webkit-scrollbar { display: none; }
.site-nav li { flex-shrink: 0; }
.site-nav a {
  display: block;
  padding: 10px 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--ink); }
.next-step {
  border-top: 1px solid var(--ring);
  margin-top: 28px;
  padding-top: 16px;
  font-size: 14px;
  color: var(--muted);
}
.next-step a {
  display: inline-block;
  padding: 6px 0;
  color: #86efac;
  font-weight: 600;
  text-decoration: none;
}
.next-step a:hover {
  text-decoration: underline;
}
footer {
  color: var(--muted);
  font-size: 13px;
  padding: 24px 20px 36px;
  text-align: center;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  overflow: visible;
  padding: 8px 16px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 15px;
  border-radius: 0 0 8px 0;
  outline: none;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
/* Shared form controls */
.select {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--ring);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}
.field-label {
  display: block;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 6px;
}
.tool-note {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 12px;
}
.back-to-top {
  display: block;
  text-align: center;
  margin: 20px 0 4px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}
.back-to-top:hover { text-decoration: underline; }
/* Print */
@media print {
  .logo, .chip, .next-step, footer, .site-nav { display: none; }
  body { background: #fff; color: #000; }
  .card {
    background: #fff;
    border: 1px solid #bbb;
    box-shadow: none;
    break-inside: avoid;
  }
  .card h2, .card h3, header h1 { color: #000; }
  header p.lead, .tag, .count { color: #444; }
  a { color: #000; }
  .wrap { max-width: 100%; padding: 0; }
  .select, input[type="number"] { border: 1px solid #bbb; background: #fff; color: #000; }
}