body.page-tools-split {
  background: linear-gradient(180deg, #faf5ff 0%, var(--bg) 320px);
}
body.page-tools-split .reveal {
  opacity: 1 !important;
  transform: none !important;
}

.sp-hero {
  border-radius: 20px;
  padding: 22px 20px;
  background: linear-gradient(145deg, #f3e8ff 0%, #faf5ff 50%, #f8fafc 100%);
  border: 1px solid #d8b4fe;
  margin-bottom: 20px;
  text-align: center;
}
.sp-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 3.5vw, 1.65rem);
  color: #6b21a8;
}
.sp-hero-lead {
  margin: 0 auto;
  max-width: 560px;
  color: #374151;
  font-size: 0.94rem;
  line-height: 1.5;
}
.sp-result-label {
  margin: 18px 0 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #7c3aed;
}
.sp-result-value {
  margin: 0;
  font-size: clamp(1.5rem, 6vw, 2.25rem);
  font-weight: 900;
  color: #5b21b6;
}

.sp-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.sp-mode-tabs button {
  flex: 1 1 30%;
  min-width: 120px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
}
.sp-mode-tabs button[aria-pressed="true"] {
  background: #f3e8ff;
  border-color: #c084fc;
  color: #6b21a8;
}

.sp-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 640px) {
  .sp-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.sp-field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.sp-field input,
.sp-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font: inherit;
  font-size: 1rem;
  background: #fff;
  box-sizing: border-box;
}
.sp-inline {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sp-inline input {
  flex: 1;
}
.sp-step-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid #e9d5ff;
  background: #faf5ff;
  font-size: 1.25rem;
  font-weight: 700;
  color: #6b21a8;
  cursor: pointer;
  flex-shrink: 0;
}

.sp-person-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sp-person {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: center;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
}
@media (min-width: 520px) {
  .sp-person {
    grid-template-columns: minmax(100px, 1.2fr) minmax(80px, 0.8fr) minmax(120px, 1fr) auto;
  }
}
.sp-person-name {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  box-sizing: border-box;
}
.sp-person-meta input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  box-sizing: border-box;
}
.sp-person-amt {
  font-weight: 800;
  font-size: 1.05rem;
  color: #6b21a8;
  text-align: right;
  white-space: nowrap;
}
.sp-copy-one {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid #ddd6fe;
  background: #ede9fe;
  font-size: 0.78rem;
  font-weight: 600;
  color: #5b21b6;
  cursor: pointer;
  white-space: nowrap;
}

.sp-summary {
  margin-top: 16px;
  padding: 14px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-size: 0.9rem;
}
.sp-summary-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}
.sp-summary-row strong {
  color: #0f172a;
}
.sp-summary.is-warn {
  border-color: #fca5a5;
  background: #fef2f2;
}

.sp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.sp-action-btn {
  padding: 10px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  font-weight: 600;
  cursor: pointer;
  font: inherit;
}
.sp-action-btn--primary {
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  border-color: #7c3aed;
  color: #fff;
}

.sp-hint {
  margin: 8px 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* FAQ — đồng bộ accordion blog, tông tím công cụ chia bill */
.sp-faq .faq-list {
  margin-top: 4px;
}
.sp-faq .faq-item {
  background: #fff;
  border-color: #e9d5ff;
}
.sp-faq .faq-item[open] {
  border-color: #c084fc;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.08);
}
.sp-faq .faq-item summary {
  color: #4c1d95;
}
.sp-faq .faq-item summary::after {
  color: #7c3aed;
}
.sp-faq .faq-answer {
  color: #475569;
}
.sp-faq .faq-answer p {
  margin: 0;
  line-height: 1.55;
}
.sp-faq .faq-answer a {
  color: #6b21a8;
  font-weight: 600;
}