:root {
  --bg: #0a0c0e;
  --card: #0f1318;
  --line: #1c2329;
  --text: #c6d4dc;
  --muted: #889aa3;
  --accent: #6ad7a8;
  --warn: #f0b65e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Mono", "JetBrains Mono", monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 10, 12, 0.95);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-nav a {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-decoration: none;
}
.site-nav a.active, .site-nav a:hover { color: var(--accent); }
.site-nav .brand-link { color: var(--accent); font-weight: 700; }

.page {
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  text-align: center;
}
.page-wide { max-width: 820px; text-align: left; }
.glyph {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 12px;
  text-align: center;
}
.glyph.ok { color: var(--accent); }
h1 {
  font-size: 24px;
  letter-spacing: 0.28em;
  font-weight: 700;
  margin: 0 0 8px;
  text-align: center;
}
h2 {
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin: 32px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
h3 { font-size: 12px; color: var(--text); margin: 20px 0 8px; letter-spacing: 0.08em; }
.tagline { color: var(--muted); font-size: 12px; margin-bottom: 24px; text-align: center; }
.lead { font-size: 13px; line-height: 1.6; color: var(--muted); margin-bottom: 28px; }
.fine { font-size: 10px; color: #445060; margin-top: 20px; text-align: center; }
.steps { line-height: 1.8; color: var(--muted); font-size: 13px; padding-left: 20px; }
.steps li { margin-bottom: 6px; }

.checkout-form, .support-form, .card {
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
}
.checkout-form label, .support-form label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 8px;
}
.checkout-form input, .support-form input, .support-form textarea, .support-form select {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 16px;
  background: #080c0f;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  font: inherit;
}
.support-form textarea { min-height: 140px; resize: vertical; }
.btn, .checkout-form button, .support-form button {
  display: inline-block;
  padding: 12px 18px;
  background: rgba(106, 215, 168, 0.12);
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--accent);
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.12em;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover, .checkout-form button:hover { background: rgba(106, 215, 168, 0.2); }
.btn:disabled, .checkout-form button:disabled { opacity: 0.5; cursor: default; }
.btn.secondary { border-color: var(--line); color: var(--muted); background: transparent; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

.help-toc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 28px;
}
.help-toc ul { margin: 0; padding-left: 18px; }
.help-toc li { margin: 6px 0; font-size: 12px; }
.help-body p, .help-body li { font-size: 12px; color: var(--muted); }
.help-body strong { color: var(--text); }
.help-body code {
  background: #080c0f;
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
}
.callout {
  border-left: 3px solid var(--warn);
  padding: 12px 16px;
  background: rgba(240, 182, 94, 0.08);
  margin: 16px 0;
  font-size: 12px;
  color: var(--muted);
}
.callout.ok { border-color: var(--accent); background: rgba(106, 215, 168, 0.08); }
.site-footer {
  text-align: center;
  padding: 24px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: #445060;
  letter-spacing: 0.06em;
}

.alert { padding: 12px; border-radius: 4px; margin: 12px 0; font-size: 12px; }
.alert.ok { background: rgba(106,215,168,0.12); border: 1px solid var(--accent); color: var(--accent); }
.alert.err { background: rgba(240,100,100,0.1); border: 1px solid #c05050; color: #e08080; }

/* ===== HELP TABLES (feature/troubleshooting articles) ===== */
.help-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 13px;
}
.help-table th,
.help-table td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--line);
  vertical-align: top;
}
.help-table thead th {
  background: var(--card);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 11px;
}
.help-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.015); }
.help-table td code,
.help-table th code { font-size: 12px; }
.help-table strong { color: var(--text); }
@media (max-width: 640px) {
  .help-table, .help-table thead, .help-table tbody,
  .help-table th, .help-table td, .help-table tr { display: block; }
  .help-table thead { display: none; }
  .help-table tr { margin-bottom: 12px; border: 1px solid var(--line); }
  .help-table td { border: none; border-bottom: 1px solid var(--line); }
}