.tab-shell {
  min-width: 0;
}

.tabs,
[role="tablist"] {
  max-width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 7px;
  border-top: 3px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-panel);
}

[role="tab"] {
  min-height: 42px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  font-weight: 680;
}

[role="tab"]:hover,
[role="tab"]:focus-visible {
  color: var(--color-text);
  border-color: var(--color-border-soft);
}

[role="tab"][aria-selected="true"],
[role="tab"].is-active {
  color: var(--color-text);
  border-color: var(--color-accent);
  background: var(--color-bg-panel-2);
}

[role="tabpanel"] {
  min-width: 0;
  padding-top: 28px;
}

[role="tabpanel"][hidden] {
  display: none;
}

.toc-tabs {
  position: sticky;
  top: var(--toc-top);
  z-index: 40;
  max-width: 100%;
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  overflow-x: auto;
  border-top: 3px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-solid);
  box-shadow: 0 10px 24px var(--color-shadow);
  scrollbar-width: thin;
  overscroll-behavior-inline: contain;
}

.toc-tabs a {
  min-height: 48px;
  padding: 10px 17px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  border-right: 1px solid var(--color-border-soft);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.toc-tabs a:hover,
.toc-tabs a.is-current,
.toc-tabs a[aria-current="location"] {
  color: var(--color-text);
  background: var(--color-bg-panel-2);
}

.toc-tabs a.is-current,
.toc-tabs a[aria-current="location"] {
  box-shadow: inset 0 -4px 0 var(--color-accent);
}

.faq-list {
  border-top: 4px solid var(--color-border);
}

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

.faq-item summary {
  min-height: 64px;
  padding: 17px 54px 17px 18px;
  position: relative;
  cursor: pointer;
  color: var(--color-text);
  font-weight: 720;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 22px;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 850px;
  padding: 0 54px 24px 18px;
  color: var(--color-text-muted);
}

.faq-item:not([open]) .faq-answer {
  display: none;
}

.faq-answer > :last-child {
  margin-bottom: 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 18px;
}

.pricing-card {
  min-width: 0;
  position: relative;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border-top: 5px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  background: var(--color-bg-panel);
}

.pricing-card.is-featured,
.pricing-card[aria-current="true"] {
  border-top-color: var(--color-accent);
  background: var(--color-bg-panel-2);
  box-shadow: var(--shadow-panel);
}

.value-badge {
  width: max-content;
  max-width: 100%;
  margin-bottom: 18px;
  padding: 6px 10px;
  overflow: hidden;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-text);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.plan-name {
  margin-bottom: 6px;
  font-size: 24px;
}

.plan-period {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.plan-price {
  margin: 22px 0 18px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 54px);
  font-weight: 840;
  letter-spacing: -0.02em;
  line-height: 1;
}

.plan-price small {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 560;
}

.plan-features {
  margin: 0 0 28px;
  padding: 20px 0 0;
  border-top: 1px solid var(--color-border-soft);
  list-style: none;
}

.plan-features li {
  padding: 6px 0 6px 18px;
  position: relative;
  color: var(--color-text-muted);
}

.plan-features li::before {
  content: "";
  width: 7px;
  height: 7px;
  position: absolute;
  top: 16px;
  left: 0;
  border-radius: var(--radius-pill);
  background: var(--color-success);
}

.pricing-card .button {
  width: 100%;
  margin-top: auto;
}

.table-scroll,
.server-table-wrap,
.compare-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-top: 4px solid var(--color-border);
  -webkit-overflow-scrolling: touch;
}

.server-table,
.data-table,
.compare-table {
  width: 100%;
  min-width: 720px;
  background: var(--color-bg-panel);
}

.server-table .region-row th {
  padding-top: 18px;
  padding-bottom: 18px;
  color: var(--color-accent);
  background: var(--color-bg-panel-2);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.server-table td:first-child {
  font-weight: 720;
}

.table-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.platform-card {
  min-width: 0;
  min-height: 246px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  border-top: 4px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  background: var(--color-bg-panel);
}

.platform-card:nth-child(even) {
  background: var(--color-bg-panel-2);
}

.platform-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  margin-bottom: 30px;
  padding: 9px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.platform-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.platform-card h3 {
  margin-bottom: 6px;
  font-size: 20px;
}

.platform-card p {
  margin-bottom: 22px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.platform-card .button {
  width: 100%;
  margin-top: auto;
  padding-inline: 12px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.article-card {
  min-width: 0;
  grid-column: span 4;
  padding: 26px;
  border-top: 4px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  background: var(--color-bg-panel);
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.article-card:nth-child(2) {
  grid-column: span 5;
}

.article-card:nth-child(3) {
  grid-column: span 3;
}

.article-card:hover {
  transform: translateY(-4px);
  border-top-color: var(--color-accent);
  background: var(--color-bg-panel-2);
}

.article-meta {
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 13px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.article-card h3 {
  font-size: clamp(21px, 2.2vw, 28px);
}

.article-card p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.badge,
.tag {
  width: max-content;
  max-width: 100%;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-bg-panel-2);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge-accent {
  color: var(--color-text);
  border-color: var(--color-accent);
}

.badge-success {
  color: var(--color-text);
  border-color: var(--color-success);
}

.callout {
  margin: 28px 0;
  padding: 22px 24px;
  border-left: 5px solid var(--color-accent);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-panel-2);
}

.callout-title {
  margin-bottom: 7px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.callout > :last-child {
  margin-bottom: 0;
}

.promo-block {
  margin-top: 60px;
  padding: clamp(26px, 5vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 28px;
  border-top: 6px solid var(--color-accent);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  background:
    linear-gradient(90deg, var(--color-bg-panel-2), var(--color-bg-panel));
  box-shadow: var(--shadow-panel);
}

.promo-brand {
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.1em;
}

.promo-block h2,
.promo-block h3 {
  margin-bottom: 10px;
}

.promo-block p {
  max-width: 670px;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.float-cta {
  position: fixed;
  right: 28px;
  bottom: 25px;
  z-index: 90;
  min-height: 48px;
  padding: 0 21px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-small);
  color: var(--color-text);
  background: var(--color-accent);
  box-shadow: var(--shadow-button);
  font-size: 14px;
  font-weight: 800;
  transition:
    transform var(--transition-fast),
    background-color var(--transition-fast);
}

.float-cta:hover,
.float-cta:focus-visible {
  transform: translateY(-3px);
  background: var(--color-accent-dark);
}

.float-cta-mark {
  flex: 0 0 auto;
  font-family: var(--font-mono);
}

.prose {
  width: 100%;
  max-width: var(--reading-width);
  margin-inline: auto;
}

.prose h2 {
  margin-top: 64px;
  padding-top: 18px;
  border-top: 4px solid var(--color-border);
  font-size: clamp(28px, 4vw, 40px);
}

.prose h3 {
  margin-top: 38px;
}

.prose p,
.prose li {
  color: var(--color-text-muted);
}

.prose strong {
  color: var(--color-text);
}

.prose a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.prose blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  border-left: 5px solid var(--color-accent);
  background: var(--color-bg-panel-2);
}

.prose > .data-table {
  display: block;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.stat-grid {
  margin: 28px 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stat-card {
  min-width: 0;
  padding: 20px;
  border-top: 4px solid var(--color-border);
  background: var(--color-bg-panel);
}

.stat-num {
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 760;
}

.stat-label {
  margin-top: 5px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.check-list {
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.verdict {
  margin: 28px 0;
  padding: 20px 22px;
  border-left: 5px solid var(--color-accent);
  background: var(--color-bg-panel-2);
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.swatch {
  min-width: 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg-panel);
}

.swatch-color {
  height: 86px;
  border-bottom: 1px solid var(--color-border);
}

.swatch-info {
  padding: 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.swatch-bg .swatch-color {
  background: var(--color-bg);
}

.swatch-panel .swatch-color {
  background: var(--color-bg-panel);
}

.swatch-panel-2 .swatch-color {
  background: var(--color-bg-panel-2);
}

.swatch-border .swatch-color {
  background: var(--color-border);
}

.swatch-accent .swatch-color {
  background: var(--color-accent);
}

.swatch-accent-dark .swatch-color {
  background: var(--color-accent-dark);
}

.swatch-text .swatch-color {
  background: var(--color-text);
}

.swatch-muted .swatch-color {
  background: var(--color-text-muted);
}

.swatch-success .swatch-color {
  background: var(--color-success);
}

.swatch-warn .swatch-color {
  background: var(--color-warn);
}

.swatch-error .swatch-color {
  background: var(--color-error);
}

.preview-block {
  padding-top: 72px;
  padding-bottom: 72px;
  border-top: 4px solid var(--color-border);
}

.preview-label {
  margin-bottom: 28px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.type-sample-display {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 840;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.type-sample-mono {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

@media (max-width: 980px) {
  .pricing-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .article-card,
  .article-card:nth-child(2),
  .article-card:nth-child(3) {
    grid-column: span 6;
  }

  .palette-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-card,
  .article-card:nth-child(2),
  .article-card:nth-child(3) {
    grid-column: 1 / -1;
  }

  .promo-block {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .stat-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .palette-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .tabs,
  [role="tablist"] {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  [role="tab"] {
    flex: 0 0 auto;
  }

  .pricing-card {
    padding: 24px 18px;
  }

  .platform-card {
    min-height: 220px;
    padding: 20px 16px;
  }

  .float-cta {
    display: none;
  }

  .faq-item summary {
    padding-left: 16px;
  }

  .faq-answer {
    padding-right: 18px;
    padding-left: 16px;
  }

  .server-table-wrap,
  .table-scroll,
  .compare-table-wrap {
    max-width: 100%;
  }
}

@media (max-width: 390px) {
  .platform-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .palette-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}