/* Approved Troubleshooting layout; scoped so other pages stay unchanged. */
.tm-refresh {
  min-height: 100vh;
  margin: 0;
  color: var(--tm-ink);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.tm-refresh * { box-sizing: border-box; }
.tm-refresh a { color: inherit; }
.tm-refresh a:focus-visible {
  outline: 3px solid var(--tm-blue);
  outline-offset: 3px;
}
.tm-refresh .tm-content { padding: 0; }
.tm-hero { padding: 28px 0 24px; border-bottom: 1px solid var(--tm-rule); text-align: center; }
.tm-hero h1 {
  margin: 0;
  color: #333;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(23px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.25;
}
.tm-hero-lede { margin: 12px 0 0; color: #666; font-size: 15px; line-height: 1.5; }
.tm-hero-bottom { display: flex; align-items: center; justify-content: center; margin-top: 8px; }
.tm-diagram-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 2px;
  color: var(--tm-blue) !important;
  font-size: 14px;
  font-weight: 400;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 160ms ease;
}
.tm-diagram-link svg { flex-shrink: 0; }
.tm-diagram-link:hover { color: var(--tm-blue-deep) !important; }
.tm-guide { display: block; padding: 34px 0 88px; }
.tm-groups { min-width: 0; }
.tm-group + .tm-group { margin-top: 46px; }
.tm-group-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 0 0 13px;
  margin-bottom: 14px;
  border-bottom: 1px solid #aeb8c3;
}
.tm-group-heading h2 {
  margin: 0;
  color: var(--tm-blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  font-weight: 400;
  letter-spacing: -.025em;
}
.tm-group-heading span { color: var(--tm-muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.tm-issue {
  display: grid;
  grid-template-columns: minmax(160px, .7fr) minmax(0, 1.3fr);
  gap: clamp(20px, 4vw, 52px);
  padding: 23px 24px 25px;
  background: var(--tm-card);
  border: 1px solid #e1e1da;
  border-top: 0;
  transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.tm-issue:first-of-type { border-top: 1px solid #e1e1da; }
.tm-issue:hover { position: relative; z-index: 1; background: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px #102d5010; }
.tm-symptom-label, .tm-fix-label { margin: 0 0 8px; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.tm-symptom-label { color: #596773; }
.tm-fix-label { color: var(--tm-blue); }
.tm-symptom { margin: 0; color: var(--tm-ink); font-size: 15px; font-weight: 650; line-height: 1.45; }
.tm-answer { margin: 0; color: #47535f; font-size: 14px; line-height: 1.65; }
.tm-answer p { margin: 0 0 9px; }
.tm-answer p:last-child { margin-bottom: 0; }
.tm-answer ol { margin: 0; padding-left: 20px; }
.tm-answer li { padding-left: 4px; margin: 0 0 7px; }
.tm-answer li:last-child { margin-bottom: 0; }
.tm-warning {
  display: block;
  margin-top: 14px;
  padding: 13px 15px;
  border-left: 4px solid var(--tm-signal);
  background: #fbf3dc;
  color: #3c3423;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .025em;
}
@media (max-width: 800px) {
  .tm-guide { padding-top: 30px; }
}
@media (max-width: 560px) {
  .tm-hero { padding: 24px 0 20px; }
  .tm-hero-lede { margin-top: 12px; font-size: 14px; }
  .tm-diagram-link { font-size: 13px; }
  .tm-guide { padding: 26px 0 52px; }
  .tm-group + .tm-group { margin-top: 34px; }
  .tm-group-heading h2 { font-size: 24px; }
  .tm-issue { grid-template-columns: 1fr; gap: 18px; padding: 19px 17px 21px; }
  .tm-symptom { font-size: 15px; }
  .tm-answer { font-size: 13.5px; }
}
@media (prefers-reduced-motion: reduce) {
  .tm-refresh *, .tm-refresh *::before, .tm-refresh *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}