.rulesPage .section{ padding: 30px 0; }

.rulesHero{
  padding: 48px 0 22px 0;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent);
}

.rulesHero__top h1{
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
}
.rulesHero__sub{
  margin: 10px 0 0 0;
  color: var(--muted);
  font-weight: 700;
}

.rulesTools{
  margin-top: 16px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.rulesSearch{
  flex: 1;
  min-width: 240px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15,22,33,.55);
  color: var(--text);
  outline: none;
  font-weight: 700;
}
.rulesSearch::placeholder{ color: rgba(169,180,207,.75); }

.rulesLayout{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap: 14px;
  align-items: start;
}

.rulesSide{
  position: sticky;
  top: 78px;
  border: 1px solid var(--border);
  background: rgba(15,22,33,.55);
  border-radius: var(--radius);
  padding: 14px;
}
.rulesSide__title{
  font-weight: 950;
  margin-bottom: 10px;
}
.rulesSide__hint{
  margin-top: 12px;
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}

.tab{
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  background: rgba(11,15,20,.35);
  color: var(--text);
  padding: 12px 12px;
  border-radius: 14px;
  cursor: pointer;
  font-weight: 900;
  margin-top: 8px;
}
.tab:hover{ background: rgba(255,255,255,.05); }
.tab.is-active{
  border-color: rgba(124,92,255,.45);
  box-shadow: 0 0 0 4px rgba(124,92,255,.10);
}

.rulesContent{
  border: 1px solid var(--border);
  background: rgba(15,22,33,.45);
  border-radius: var(--radius);
  padding: 16px;
}

.panel{ display:none; }
.panel.is-active{ display:block; }

.panel h2{
  margin: 6px 0 12px 0;
  font-size: 24px;
}

.ruleCard{
  border: 1px solid var(--border);
  background: rgba(11,15,20,.35);
  border-radius: var(--radius);
  padding: 14px;
  margin-top: 12px;
}
.ruleCard h3{
  margin: 0 0 8px 0;
  font-size: 16px;
}
.ruleCard ul{
  margin: 0;
  padding-left: 18px;
  color: rgba(234,240,255,.88);
}
.ruleCard li{ margin: 6px 0; }

.rulesFooterNote{
  margin-top: 14px;
  color: var(--muted);
  font-weight: 700;
}

/* Mobile */
@media (max-width: 900px){
  .rulesLayout{
    grid-template-columns: 1fr;
  }
  .rulesSide{
    position: static;
  }
}