/* Fire Alarm Guy — Troubleshooting Trees v1.0 */
.trbl-wrap{
  --trbl-navy:#071d3a;
  --trbl-blue:#0b3262;
  --trbl-red:#d72d2d;
  --trbl-ink:#07111f;
  --trbl-muted:#536174;
  --trbl-card:#ffffff;
  --trbl-soft:#f3f7fb;
  --trbl-line:#d9e3ef;
  --trbl-good:#177245;
  --trbl-warn:#a76000;
  --trbl-shadow:0 18px 45px rgba(7,17,31,.10);
  max-width:1320px;
  margin:0 auto;
  padding:32px 22px 54px;
  color:var(--trbl-ink);
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
.trbl-wrap *{box-sizing:border-box}
.trbl-wrap a{color:inherit}
.trbl-eyebrow{
  margin:0 0 8px;
  color:#bd1f28;
  font-size:.78rem;
  line-height:1.2;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-weight:900;
}
.trbl-hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:28px;
  align-items:stretch;
  border-radius:28px;
  padding:34px;
  background:radial-gradient(circle at top left,rgba(215,45,45,.38),transparent 34%),linear-gradient(135deg,#11152e 0%,#092d59 58%,#071d3a 100%);
  color:white;
  box-shadow:var(--trbl-shadow);
  overflow:hidden;
}
.trbl-hero h1{
  margin:0;
  max-width:760px;
  font-size:clamp(2.2rem,5vw,4.6rem);
  line-height:.95;
  letter-spacing:-.055em;
  color:#fff;
}
.trbl-hero p{
  max-width:820px;
  color:rgba(255,255,255,.92);
  font-size:1.12rem;
  line-height:1.55;
}
.trbl-hero__actions,
.trbl-fast__buttons,
.trbl-node__actions,
.trbl-outcome__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
}
.trbl-btn,
.trbl-link-btn{
  appearance:none;
  border:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  min-height:44px;
  border-radius:999px;
  padding:.75rem 1.08rem;
  text-decoration:none;
  font-weight:900;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.trbl-btn:hover,
.trbl-link-btn:hover{transform:translateY(-1px)}
.trbl-btn--primary{background:var(--trbl-red);color:#fff;box-shadow:0 10px 24px rgba(215,45,45,.28)}
.trbl-btn--ghost{background:#fff;color:var(--trbl-navy);border:1px solid rgba(255,255,255,.38)}
.trbl-btn--soft{background:#eef5ff;color:var(--trbl-navy);border:1px solid #cddbed}
.trbl-btn--small{min-height:38px;padding:.55rem .9rem;background:#eef3fa;color:var(--trbl-navy);border:1px solid var(--trbl-line)}
.trbl-link-btn{background:transparent;color:#0b3262;border:1px solid #c8d7ea;min-height:34px;padding:.42rem .75rem}
.trbl-hero__note{
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.23);
  border-radius:22px;
  padding:24px;
  align-self:stretch;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.trbl-hero__note strong{font-size:1.15rem;color:#fff}
.trbl-hero__note p{font-size:1rem;margin:8px 0 0;color:rgba(255,255,255,.88)}
.trbl-fast,
.trbl-reference,
.trbl-related{
  margin-top:22px;
  background:#fff;
  border:1px solid var(--trbl-line);
  border-radius:22px;
  padding:22px;
  box-shadow:0 10px 28px rgba(7,17,31,.06);
}
.trbl-fast{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.trbl-fast h2,
.trbl-section-head h2{
  margin:0;
  font-size:1.35rem;
  letter-spacing:-.03em;
  color:var(--trbl-ink);
}
.trbl-fast p{margin:0}
.trbl-fast__buttons button{
  border:1px solid #cbd8ea;
  background:#f7fbff;
  color:var(--trbl-navy);
  border-radius:999px;
  padding:.58rem .85rem;
  font-weight:900;
  cursor:pointer;
}
.trbl-fast__buttons button:hover{background:#eaf3ff}
.trbl-layout{
  margin-top:26px;
  display:grid;
  grid-template-columns:390px minmax(0,1fr);
  gap:24px;
  align-items:start;
}
.trbl-library,
.trbl-active{
  background:#fff;
  border:1px solid var(--trbl-line);
  border-radius:24px;
  padding:22px;
  box-shadow:var(--trbl-shadow);
}
.trbl-section-head p{margin:.35rem 0 0;color:var(--trbl-muted);line-height:1.55}
.trbl-section-head--center{text-align:center;max-width:790px;margin:0 auto 18px}
.trbl-tree-list{display:grid;gap:12px;margin-top:18px}
.trbl-tree-card{
  width:100%;
  display:block;
  text-align:left;
  border:1px solid var(--trbl-line);
  background:#fff;
  border-radius:18px;
  padding:16px;
  cursor:pointer;
  transition:border .15s ease, transform .15s ease, box-shadow .15s ease;
}
.trbl-tree-card:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(7,17,31,.08);border-color:#aac1dd}
.trbl-tree-card.is-active{border-color:#d72d2d;box-shadow:0 0 0 3px rgba(215,45,45,.10)}
.trbl-tree-card__top{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:8px}
.trbl-pill{
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  padding:.28rem .55rem;
  background:#fff1f1;
  border:1px solid #ffc6c6;
  color:#991b1b;
  text-transform:uppercase;
  font-size:.7rem;
  font-weight:1000;
  letter-spacing:.06em;
}
.trbl-level{font-size:.8rem;color:#4b6078;font-weight:900}
.trbl-tree-card h3{margin:0 0 6px;color:var(--trbl-ink);font-size:1.05rem}
.trbl-tree-card p{margin:0;color:var(--trbl-muted);line-height:1.45;font-size:.95rem}
.trbl-active__header{
  display:flex;
  align-items:start;
  justify-content:space-between;
  gap:14px;
  border-bottom:1px solid var(--trbl-line);
  padding-bottom:16px;
}
.trbl-active__header h2{margin:0;font-size:1.75rem;letter-spacing:-.04em;color:var(--trbl-ink)}
.trbl-active__summary{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin:18px 0;
}
.trbl-info-card{
  background:#f7fbff;
  border:1px solid #d8e5f5;
  border-radius:16px;
  padding:14px;
}
.trbl-info-card h3{margin:0 0 8px;font-size:.86rem;color:#1d3657;text-transform:uppercase;letter-spacing:.08em}
.trbl-info-card ul{margin:0;padding-left:18px;color:#36475d;line-height:1.55}
.trbl-decision{
  border-radius:20px;
  background:linear-gradient(180deg,#f6f9fd,#fff);
  border:1px solid var(--trbl-line);
  padding:20px;
}
.trbl-node h3,
.trbl-outcome h3{margin:0 0 10px;font-size:1.45rem;color:var(--trbl-ink);letter-spacing:-.03em}
.trbl-node p,
.trbl-outcome p{margin:0 0 14px;color:#34445a;line-height:1.6}
.trbl-node__hint,
.trbl-outcome__note{
  margin-top:14px;
  border-left:4px solid #f59e0b;
  background:#fff8eb;
  color:#6b3b00;
  padding:12px 14px;
  border-radius:12px;
  line-height:1.45;
}
.trbl-outcome__note{border-left-color:#177245;background:#ecfdf3;color:#0f5132}
.trbl-history-card{
  margin-top:18px;
  border:1px solid var(--trbl-line);
  border-radius:18px;
  padding:16px;
  background:#fff;
}
.trbl-history-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.trbl-history-card h3{margin:0;font-size:1.1rem;color:var(--trbl-ink)}
.trbl-history{margin:12px 0 0;padding-left:24px;color:#3d4b5f;line-height:1.6}
.trbl-history li{margin:.25rem 0}
.trbl-history:empty::before{content:'No selections yet.';color:#78879b}
.trbl-reminder-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.trbl-reminder-grid article{
  background:#f8fbff;
  border:1px solid var(--trbl-line);
  border-radius:18px;
  padding:18px;
}
.trbl-reminder-grid span{
  display:inline-grid;
  place-items:center;
  width:34px;height:34px;
  border-radius:999px;
  background:#0b3262;
  color:#fff;
  font-weight:1000;
}
.trbl-reminder-grid h3{margin:12px 0 6px;color:var(--trbl-ink)}
.trbl-reminder-grid p{margin:0;color:#526174;line-height:1.5}
.trbl-related{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
}
.trbl-related a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid #cbd8ea;
  background:#fff;
  color:#0b3262;
  border-radius:999px;
  padding:.7rem .95rem;
  text-decoration:none;
  font-weight:900;
}
.trbl-copy-ok{
  display:inline-block;
  margin-left:10px;
  color:var(--trbl-good);
  font-weight:900;
}
@media (max-width:980px){
  .trbl-hero{grid-template-columns:1fr}
  .trbl-layout{grid-template-columns:1fr}
  .trbl-active__summary{grid-template-columns:1fr}
  .trbl-reminder-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .trbl-wrap{padding:22px 14px 40px}
  .trbl-hero{padding:24px;border-radius:22px}
  .trbl-fast{align-items:flex-start;flex-direction:column}
  .trbl-reminder-grid{grid-template-columns:1fr}
  .trbl-active__header{flex-direction:column}
  .trbl-btn,.trbl-link-btn{width:100%}
  .trbl-node__actions .trbl-btn,
  .trbl-outcome__actions .trbl-btn{width:100%}
}

/* Troubleshooting Trees v1.0b — hero button text visibility fix */
.trbl-wrap .trbl-hero__actions .trbl-btn--ghost,
.trbl-wrap .trbl-hero__actions .trbl-btn--ghost:link,
.trbl-wrap .trbl-hero__actions .trbl-btn--ghost:visited,
.trbl-wrap .trbl-hero__actions .trbl-btn--ghost:hover,
.trbl-wrap .trbl-hero__actions .trbl-btn--ghost:focus {
  background:#ffffff !important;
  color:#071d3a !important;
  -webkit-text-fill-color:#071d3a !important;
  border:1px solid rgba(255,255,255,.65) !important;
  opacity:1 !important;
  text-shadow:none !important;
}

.trbl-wrap .trbl-hero__actions .trbl-btn--ghost:hover,
.trbl-wrap .trbl-hero__actions .trbl-btn--ghost:focus {
  background:#f4f8ff !important;
  box-shadow:0 10px 24px rgba(0,0,0,.16);
}


/* Cross-linking v1.0 additions */
.trbl-resource-links{max-width:1280px;margin:28px auto;padding:0 18px;}
.trbl-resource-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:18px;}
.trbl-resource-grid a{display:block;text-decoration:none;background:#fff;border:1px solid #dbe3ef;border-radius:18px;padding:18px;color:#0b1220;box-shadow:0 10px 28px rgba(15,23,42,.08);}
.trbl-resource-grid a:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,23,42,.12);}
.trbl-resource-grid strong{display:block;font-size:1.05rem;margin-bottom:6px;}
.trbl-resource-grid span{display:block;color:#475569;line-height:1.45;}
.trbl-outcome__resources{margin-top:14px;padding:14px;border-radius:14px;background:#f8fafc;border:1px solid #dbe3ef;}
.trbl-outcome__resources > div{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;}
.trbl-outcome__resources a{display:inline-flex;text-decoration:none;font-weight:800;border:1px solid #cbd5e1;border-radius:999px;padding:8px 12px;background:#fff;color:#0b2346;}
.trbl-outcome__resources a:hover{background:#eff6ff;}