.tri-page,
.lp {
  max-width: 980px;
  margin: 0 auto;
  padding: 44px 20px 80px;
}

.tri-header,
.lp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 42px;
  flex-wrap: wrap;
}

.tri-logo,
.lp-logo {
  color: var(--accent);
  font-family: 'Cinzel Decorative', Georgia, serif;
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.tri-back,
.lp-back {
  display: inline-flex;
  padding: 7px 16px;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  border-radius: var(--radius-xs);
  font-size: 0.88rem;
  font-style: italic;
  text-decoration: none;
}

.tri-back:hover,
.lp-back:hover,
.lp-related-links a:hover,
.resources-grid a:hover,
.btn-xs:hover,
.btn-swap:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.tri-hero h1,
.lp h1 {
  font-family: 'Cinzel Decorative', Georgia, serif;
  color: var(--accent);
  font-size: 1.55rem;
  line-height: 1.3;
  margin: 0 0 12px;
}

.tri-subtitle,
.lp-date,
.hero-sub {
  color: var(--text-dim);
  font-size: 0.86rem;
  font-style: italic;
}

.tri-intro,
.lp-intro {
  color: var(--text-muted);
  line-height: 1.75;
  font-size: 0.98rem;
}

.controls-panel {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 20px;
  margin: 28px 0 16px;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: flex-end;
}

.ctrl-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ctrl-group label,
.sorter-box label {
  color: var(--text-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field-select {
  background: var(--bg);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  border-radius: var(--radius-xs);
  padding: 7px 10px;
  font: 0.88rem 'Source Serif 4', Georgia, serif;
}

.field-select:focus,
.sorter-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.sort-btn-wrap,
.box-actions,
.resources-grid,
.lp-related-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-sort {
  padding: 10px 28px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-xs);
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.btn-sort:hover,
.btn-tool:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.btn-swap,
.btn-xs {
  border: 1px solid var(--border-light);
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-xs);
  cursor: pointer;
}

.btn-swap {
  padding: 10px 18px;
  font-size: 0.88rem;
}

.btn-xs {
  padding: 5px 12px;
  font-size: 0.82rem;
}

.btn-xs.danger:hover {
  color: #e06c75;
  border-color: #e06c75;
}

.toggles-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  margin-top: 14px;
}

.toggle-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  user-select: none;
}

.toggle-chip input[type=checkbox] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
}

.toggle-chip span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stats-bar {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.stat {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.stat strong {
  color: var(--accent);
}

.sorter-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.sorter-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sorter-textarea {
  width: 100%;
  min-height: 280px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  padding: 12px;
  resize: vertical;
  box-sizing: border-box;
}

.sorter-textarea[readonly] {
  color: var(--text-muted);
}

.features-section,
.faq-section,
.resources-section,
.lp-section {
  margin-top: 34px;
}

.features-section h2,
.faq-section h2,
.resources-section h2,
.lp-section h2 {
  font-family: 'Cinzel Decorative', Georgia, serif;
  color: var(--accent);
  font-size: 0.98rem;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.feature h3 {
  color: var(--accent);
  font-size: 0.95rem;
  margin: 0 0 6px;
}

.feature p,
.lp-section p,
.faq-item p,
.tip-box p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.94rem;
}

.faq-list {
  display: grid;
  gap: 8px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  padding: 12px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
}

.faq-item p {
  padding: 0 0 14px;
  margin: 0;
}

.resources-section,
.lp-related {
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.resources-grid a,
.lp-related-links a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  font-style: italic;
  text-decoration: none;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 10px 18px;
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--radius-xs);
  font-size: 0.88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 100;
}

.toast.show {
  opacity: 1;
}

.lp {
  max-width: 760px;
}

.lp-ornament {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 32px;
}

.lp-ornament span {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-light), transparent);
}

.lp-ornament em {
  color: var(--accent);
  font-size: 0.8rem;
  opacity: 0.8;
  font-style: normal;
}

.hero-cta {
  text-align: center;
  margin: 0 0 42px;
  padding: 22px 18px;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
}

.btn-tool {
  display: inline-flex;
  padding: 13px 28px;
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--radius-xs);
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  font-size: 0.94rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
}

.lp-section ul,
.steps {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
}

.lp-section ul li {
  padding: 5px 0 5px 20px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.lp-section ul li::before {
  content: '*';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
  top: 7px;
}

.steps {
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  padding: 10px 0 10px 40px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-bottom: 1px solid var(--border);
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 10px;
  width: 26px;
  height: 26px;
  background: var(--accent-dim);
  border: 1px solid rgba(194, 163, 107, 0.3);
  border-radius: 50%;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tip-box,
.compare-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 16px 0;
}

.tip-box {
  border-left: 3px solid var(--accent);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}

.compare-box h3 {
  color: var(--accent);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 10px;
}

.compare-box code {
  display: block;
  font-family: 'Courier New', monospace;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.lp-related h3 {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

@media (max-width: 700px) {
  .sorter-layout,
  .compare-grid {
    grid-template-columns: 1fr;
  }
}