/* D2i Technology brand palette (https://d2itechnology.com/) */
:root {
  --d2i-navy: #003366;
  --d2i-navy-dark: #000033;
  --d2i-ink: #090f4e;
  --d2i-blue: #2874fc;
  --d2i-primary: #007cba;
  --d2i-cyan: #31cdcf;
  --d2i-slate: #5a6578;
}

[data-bs-theme="light"] {
  --bs-body-bg: #f7f9fc;
  --bs-body-color: #1a2332;
  --bs-primary: #007cba;
  --bs-primary-rgb: 0, 124, 186;
  --bs-secondary-color: #5a6578;
  --bs-link-color: #007cba;
  --bs-link-hover-color: #003366;
  --bs-border-color: rgba(0, 51, 102, 0.12);
  --surface: #ffffff;
  --surface-muted: #f7f9fc;
  --surface-border: rgba(0, 51, 102, 0.1);
  --surface-shadow: 0 0.5rem 1.5rem rgba(0, 51, 102, 0.06);
  /* Match https://d2itechnology.com/ header */
  --header-bg: #003366;
  --header-fg: #ffffff;
  --footer-bg: #ffffff;
  --footer-fg: #5a6578;
  --footer-heading: #090f4e;
}

[data-bs-theme="dark"] {
  --bs-body-bg: #0c1222;
  --bs-body-color: #e7edf7;
  --bs-emphasis-color: #f8fafc;
  --bs-secondary-bg: #101828;
  --bs-tertiary-bg: #162033;
  --bs-primary: #31cdcf;
  --bs-primary-rgb: 49, 205, 207;
  --bs-secondary-color: #a8b4c8;
  --bs-link-color: #7eeeee;
  --bs-link-hover-color: #c8ffff;
  --bs-border-color: rgba(255, 255, 255, 0.1);
  --surface: #141c2e;
  --surface-muted: #101828;
  --surface-border: rgba(255, 255, 255, 0.1);
  --surface-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.35);
  /* Match https://d2itechnology.com/ header */
  --header-bg: #003366;
  --header-fg: #ffffff;
  --footer-bg: #0f1730;
  --footer-fg: #a8b4c8;
  --footer-heading: #e7edf7;
}

html {
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 2000;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  background: var(--d2i-navy);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.2);
}

.skip-link:focus {
  top: 0.75rem;
  outline: 3px solid var(--d2i-cyan);
  outline-offset: 2px;
}

:focus-visible {
  outline: 3px solid var(--bs-primary);
  outline-offset: 2px;
}

body {
  min-height: 100vh;
  background-color: var(--bs-body-bg);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
}

.site-navbar {
  background: var(--header-bg) !important;
  color: var(--header-fg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
  padding: 0.55rem 0.85rem;
  padding-left: max(0.85rem, env(safe-area-inset-left));
  padding-right: max(0.85rem, env(safe-area-inset-right));
}

@media (min-width: 768px) {
  .site-navbar {
    padding: 0.75rem 1.25rem;
  }
}

.site-navbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.55rem 0.75rem;
  max-width: 80rem;
  margin-inline: auto;
  width: 100%;
  min-width: 0;
}

.site-navbar-search {
  order: 3;
  flex: 1 1 100%;
  width: 100%;
  min-width: 0;
}

.site-navbar-actions {
  order: 2;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem 0.85rem;
  min-width: 0;
  flex: 0 0 auto;
}

.devtools-tool-search {
  width: 100%;
  min-width: 0;
  max-width: none;
}

@media (min-width: 768px) {
  .site-navbar-inner {
    flex-wrap: nowrap;
    gap: 1rem;
  }

  .site-navbar-search {
    order: 0;
    flex: 0 1 20rem;
    width: auto;
    max-width: 22rem;
    margin-left: auto;
  }

  .site-navbar-actions {
    order: 0;
  }

  .devtools-tool-search {
    max-width: 22rem;
  }
}

.site-brand {
  order: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  padding: 0;
  margin: 0;
  color: var(--header-fg);
  min-width: 0;
  flex: 0 1 auto;
}

@media (min-width: 768px) {
  .site-brand {
    order: 0;
  }
}

.site-brand:hover {
  color: var(--header-fg);
}

.site-brand-logo {
  width: auto;
  height: 2.25rem;
  object-fit: contain;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .site-brand-logo {
    height: 3rem;
  }
}

.site-brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  min-width: 0;
}

.site-brand-title {
  font-size: clamp(0.92rem, 2.2vw, 1.25rem);
  font-weight: 800;
  color: var(--header-fg);
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 9.5rem;
}

@media (min-width: 576px) {
  .site-brand-title {
    max-width: none;
  }
}

.site-brand-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--d2i-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-theme-btn {
  flex-shrink: 0;
  min-width: 2.25rem;
  min-height: 2.25rem;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  background: transparent;
}

.site-theme-btn:hover,
.site-theme-btn:focus-visible {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.1);
}

.site-navbar .devtools-tool-search .form-control {
  color: #0c1222;
  background: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.site-navbar .devtools-tool-search .form-control::placeholder {
  color: #5a6578;
}

.site-navbar .devtools-tool-search .form-control:focus {
  border-color: var(--d2i-cyan);
  box-shadow: 0 0 0 0.2rem rgba(49, 205, 207, 0.25);
}

.site-footer {
  background: var(--footer-bg);
  color: var(--footer-fg);
  border-top: 1px solid var(--surface-border);
  padding: 2rem 1rem 0;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  padding-bottom: env(safe-area-inset-bottom);
}

@media (min-width: 768px) {
  .site-footer {
    padding: 2.5rem 1.5rem 0;
    padding-bottom: env(safe-area-inset-bottom);
  }
}

.site-footer-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 80rem;
  margin: 0 auto 2rem;
}

@media (min-width: 768px) {
  .site-footer-main {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 2.5rem;
  }
}

.site-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--footer-heading);
  margin-bottom: 0.85rem;
}

.site-footer-brand:hover {
  color: var(--bs-primary);
}

.site-footer-logo {
  width: auto;
  height: 3.5rem;
  object-fit: contain;
}

.site-footer-brand-name {
  font-weight: 800;
  font-size: 1.1rem;
  color: inherit;
}

.site-footer-tagline {
  margin: 0;
  max-width: 22rem;
  line-height: 1.55;
  font-size: 0.95rem;
}

.site-footer-heading {
  margin: 0 0 0.85rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--footer-heading);
  text-transform: capitalize;
}

.site-footer-blurb {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
}

.site-footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.site-footer-link {
  color: var(--footer-fg);
  font-weight: 500;
  text-decoration: none;
  line-height: 1.6;
}

.site-footer-link:hover {
  color: var(--bs-primary);
  text-decoration: none;
}

.site-footer-bottom {
  max-width: 76.5rem;
  margin: 0 auto;
  padding: 1.15rem 0 1.35rem;
  border-top: 1px solid var(--surface-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .site-footer-bottom {
    flex-direction: row;
  }
}

.site-footer-copy {
  font-size: 0.9rem;
  color: var(--footer-fg);
  text-align: center;
}

@media (min-width: 768px) {
  .site-footer-copy {
    text-align: left;
  }
}

.site-footer-bottom-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
}

.site-footer-bottom-links .site-footer-link {
  font-size: 0.9rem;
}

.site-footer-visits {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--footer-fg);
}

.site-footer-visits-label {
  opacity: 0.85;
}

.site-footer-visits-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), 0.12);
}

.btn-primary {
  --bs-btn-bg: var(--d2i-primary);
  --bs-btn-border-color: var(--d2i-primary);
  --bs-btn-hover-bg: #006ba1;
  --bs-btn-hover-border-color: #006ba1;
  --bs-btn-active-bg: #005a88;
  --bs-btn-active-border-color: #005a88;
  --bs-btn-color: #fff;
}

[data-bs-theme="dark"] .btn-primary {
  --bs-btn-bg: #007cba;
  --bs-btn-border-color: #007cba;
  --bs-btn-hover-bg: #006ba1;
  --bs-btn-hover-border-color: #006ba1;
  --bs-btn-color: #fff;
}

.tool-io {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
}

/* —— Home catalog —— */
.catalog-hero {
  max-width: 42rem;
  margin-bottom: 1.75rem;
}

.catalog-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bs-primary);
}

.catalog-hero h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.catalog-lead {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--bs-secondary-color);
}

.catalog-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 2rem;
}

.catalog-jump a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--bs-body-color);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.catalog-jump a:hover {
  border-color: rgba(var(--bs-primary-rgb), 0.45);
  color: var(--bs-body-color);
  box-shadow: var(--surface-shadow);
  transform: translateY(-1px);
}

.catalog-jump-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  height: 1.35rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: rgba(var(--bs-primary-rgb), 0.12);
  color: var(--bs-primary);
  font-size: 0.7rem;
  font-weight: 600;
}

.catalog-section,
.catalog-featured {
  margin-bottom: 2.25rem;
}

.catalog-featured-panel {
  position: relative;
  padding: 1.25rem 1.25rem 1.35rem;
  border: 1px solid rgba(var(--bs-primary-rgb), 0.22);
  border-radius: 1rem;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(var(--bs-primary-rgb), 0.14), transparent 55%),
    radial-gradient(90% 70% at 100% 0%, rgba(49, 205, 207, 0.08), transparent 45%),
    var(--surface);
  box-shadow: var(--surface-shadow);
  overflow: hidden;
}

.catalog-featured-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--d2i-primary), var(--d2i-cyan));
}

.catalog-featured-head {
  position: relative;
  margin-bottom: 1.1rem;
  align-items: flex-start;
}

.catalog-featured-eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bs-primary);
}

.catalog-featured-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0.75rem;
}

.catalog-featured-tool {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.85rem;
  min-height: 5.75rem;
  border-color: rgba(var(--bs-primary-rgb), 0.16);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(4px);
}

.catalog-featured-tool:hover {
  border-color: rgba(var(--bs-primary-rgb), 0.55);
  background: var(--surface);
}

.catalog-featured-rank {
  display: inline-block;
  margin-bottom: 0.1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--bs-primary);
  font-variant-numeric: tabular-nums;
}

.catalog-featured-tool-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.catalog-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.catalog-section-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.catalog-section-head h2 a {
  color: inherit;
  text-decoration: none;
}

.catalog-section-head h2 a:hover {
  color: var(--bs-primary);
}

.catalog-section-head p {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--bs-secondary-color);
}

.catalog-section-all {
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--bs-primary);
  text-decoration: none;
}

.catalog-section-all:hover {
  text-decoration: underline;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14.5rem, 1fr));
  gap: 0.75rem;
}

.catalog-tool {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.85rem;
  min-height: 5.5rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--surface-border);
  border-radius: 0.75rem;
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.catalog-tool:hover {
  border-color: rgba(var(--bs-primary-rgb), 0.45);
  color: inherit;
  box-shadow: var(--surface-shadow);
  transform: translateY(-1px);
}

.catalog-tool-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.65rem;
  font-size: 1.15rem;
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), 0.12);
}

.catalog-tool-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.catalog-tool-name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.catalog-tool-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--bs-secondary-color);
}

.catalog-section-title {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.catalog-section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 0.45rem;
  background: rgba(var(--bs-primary-rgb), 0.12);
  color: var(--bs-primary);
  font-size: 0.95rem;
}

/* —— Tool workspace shell —— */
.workspace-shell {
  max-width: 1400px;
  margin-inline: auto;
}

.workspace-aside {
  align-self: start;
}

.workspace-nav {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--surface-border);
  border-radius: 0.85rem;
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.workspace-nav-label {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 0.75rem 1rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bs-secondary-color);
  border-bottom: 1px solid var(--surface-border);
  background: var(--surface);
  border-radius: 0.85rem 0.85rem 0 0;
}

.tool-catalog {
  padding: 0.45rem 0 0.75rem;
}

.tool-catalog-group + .tool-catalog-group {
  border-top: 1px solid var(--surface-border);
  margin-top: 0.15rem;
  padding-top: 0.15rem;
}

.tool-catalog-head {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.15rem 0.35rem 0.15rem 0.65rem;
}

.tool-nav-category {
  flex: 1;
  min-width: 0;
  padding: 0.45rem 0.35rem;
  color: var(--bs-body-color);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1.25;
}

.tool-nav-category:hover,
.tool-nav-category.active {
  color: var(--bs-primary);
}

.tool-nav-category-inner {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.tool-nav-category-icon {
  font-size: 0.95rem;
  opacity: 0.85;
}

.tool-catalog-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--bs-secondary-color);
  line-height: 1;
}

.tool-catalog-toggle:hover {
  background: rgba(var(--bs-primary-rgb), 0.1);
  color: var(--bs-primary);
}

.tool-catalog-toggle[aria-expanded="true"] i {
  transform: rotate(180deg);
}

.tool-catalog-toggle i {
  transition: transform 0.15s ease;
  display: inline-block;
}

.tool-catalog-items {
  display: flex;
  flex-direction: column;
  padding: 0 0.35rem 0.45rem 0.55rem;
  gap: 0.1rem;
}

.tool-nav-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border-radius: 0.45rem;
  color: var(--bs-body-color);
  font-size: 0.875rem;
  line-height: 1.3;
  text-decoration: none;
}

.tool-nav-item-icon {
  flex-shrink: 0;
  font-size: 0.95rem;
  opacity: 0.85;
  color: var(--bs-primary);
}

.tool-nav-item:hover {
  background: rgba(var(--bs-primary-rgb), 0.08);
  color: var(--bs-body-color);
}

.tool-nav-item.active {
  background: rgba(var(--bs-primary-rgb), 0.14);
  color: var(--bs-primary);
  font-weight: 600;
}

.tool-workspace {
  padding: 1.35rem 1.4rem 1.5rem;
  border: 1px solid var(--surface-border);
  border-radius: 0.9rem;
  background: var(--surface);
  box-shadow: var(--surface-shadow);
}

.tool-workspace-header {
  margin-bottom: 1.15rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--surface-border);
}

.tool-workspace-crumb {
  display: inline-block;
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bs-primary);
  text-decoration: none;
}

a.tool-workspace-crumb:hover {
  text-decoration: underline;
}

.tool-workspace-header h1,
.tool-workspace-title {
  margin: 0 0 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.tool-workspace-title-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.7rem;
  font-size: 1.25rem;
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), 0.12);
  flex-shrink: 0;
}

.tool-workspace-header p {
  margin: 0;
  color: var(--bs-secondary-color);
  font-size: 0.95rem;
  line-height: 1.5;
}

.tool-workspace-detail {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--bs-secondary-color);
  line-height: 1.5;
}

.tool-form .form-label {
  margin-bottom: 0.35rem;
}

.tool-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.compose-service {
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  padding: 0.9rem 1rem 0.15rem;
  margin: 0 0 1rem;
}

.compose-service-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.compose-service-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
}

.tool-result {
  margin-top: 1.15rem;
}

.markdown-preview {
  overflow: auto;
  background: var(--bs-body-bg);
}

.markdown-preview > :first-child {
  margin-top: 0;
}

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

.markdown-preview pre {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: var(--bs-tertiary-bg);
  overflow: auto;
}

.tool-result:empty {
  display: none;
}

.related-tools {
  margin-top: 1rem;
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--surface-border);
  border-radius: 0.85rem;
  background: var(--surface-muted);
}

.related-tools-label {
  margin: 0 0 0.55rem;
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bs-secondary-color);
}

.related-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.related-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--bs-body-color);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.related-chip .bi {
  color: var(--bs-primary);
  opacity: 0.9;
}

.related-chip:hover {
  border-color: rgba(var(--bs-primary-rgb), 0.45);
  color: var(--bs-primary);
}

.tool-help {
  margin-top: 1.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--surface-border);
}

.tool-help h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tool-help h3 {
  margin: 1.15rem 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 650;
}

.tool-help-lead,
.tool-help-steps,
.tool-faq p {
  color: var(--bs-secondary-color);
  font-size: 0.9rem;
  line-height: 1.55;
}

.tool-help-lead {
  margin: 0;
}

.tool-help-steps {
  margin: 0;
  padding-left: 1.2rem;
}

.tool-help-steps li + li {
  margin-top: 0.25rem;
}

.tool-faq {
  border: 1px solid var(--surface-border);
  border-radius: 0.7rem;
  overflow: hidden;
  background: var(--surface-muted);
}

.tool-faq details + details {
  border-top: 1px solid var(--surface-border);
}

.tool-faq summary {
  cursor: pointer;
  padding: 0.7rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
}

.tool-faq summary:hover {
  color: var(--bs-primary);
}

.tool-faq details p {
  margin: 0;
  padding: 0 0.9rem 0.85rem 0.9rem;
}

.tool-privacy {
  margin-top: 1.25rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--surface-border);
  line-height: 1.45;
}

.htmx-indicator {
  opacity: 0;
  transition: opacity 200ms ease-in;
}

.htmx-request .htmx-indicator {
  opacity: 1;
}

.htmx-request.htmx-indicator {
  opacity: 1;
}

[x-cloak] {
  display: none !important;
}

.devtools-copy .devtools-copy-icon {
  line-height: 1;
}

.devtools-search-hidden {
  display: none !important;
}

.page-not-found-hero {
  max-width: 36rem;
}

.page-not-found-code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: transparent;
  background: linear-gradient(135deg, var(--d2i-primary) 0%, var(--d2i-cyan) 45%, var(--d2i-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-not-found-code-sm {
  font-size: clamp(2.5rem, 8vw, 3.5rem);
}

.page-offline-hero {
  max-width: 36rem;
}

.page-offline-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 1rem;
  font-size: 1.85rem;
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), 0.12);
  border: 1px solid rgba(var(--bs-primary-rgb), 0.22);
}

.page-not-found-fragment .page-not-found-code-sm {
  margin-bottom: 0;
}

.ws-tester-log {
  min-height: 12rem;
  max-height: min(50vh, 24rem);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.8125rem;
  line-height: 1.45;
}

.ws-tester-status {
  font-weight: 600;
}

.p2p-files-status {
  font-weight: 600;
}

.p2p-files-link {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8125rem;
}

.p2p-files-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.p2p-files-progress {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.api-tester-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.api-tester-side,
.api-tester-main {
  min-width: 0;
}

.api-tester-tree,
.api-tester-history {
  max-height: 16rem;
  overflow: auto;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.5rem;
  padding: 0.4rem;
}

.api-tester-url-row {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr) auto auto;
  gap: 0.5rem;
}

.api-tester-name {
  max-width: 24rem;
}

.api-tester-tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--bs-border-color);
  margin-bottom: 0.75rem;
}

.api-tester-tab {
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0.4rem 0.7rem;
  border-bottom: 2px solid transparent;
}

.api-tester-tab.active {
  border-bottom-color: var(--bs-primary);
  font-weight: 600;
}

.api-tester-kv {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.api-tester-kv-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 0.35rem;
  align-items: center;
}

.api-tester-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem;
}

.api-tester-label {
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 0.15rem 0.25rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.api-tester-request.active {
  font-weight: 600;
}

.api-tester-children {
  margin-left: 0.75rem;
}

.api-tester-mini {
  padding: 0 0.25rem;
  text-decoration: none;
}

.api-tester-history-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0.2rem 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.api-tester-statusline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.api-tester-body,
.api-tester-headers {
  max-height: 18rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.api-tester-image {
  max-width: 100%;
  max-height: 16rem;
  margin-bottom: 0.5rem;
}

.api-tester-dialog {
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  background: var(--bs-body-bg);
  color: var(--bs-body-color);
  max-width: 36rem;
  width: calc(100% - 2rem);
}

.api-tester-dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.api-tester-env-block {
  border-top: 1px solid var(--bs-border-color);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

@media (max-width: 900px) {
  .api-tester-layout,
  .api-tester-url-row {
    grid-template-columns: 1fr;
  }
}

.devtools-tool-search-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1050;
  display: block;
  max-height: 18rem;
  overflow-y: auto;
  margin-top: 0.25rem;
  padding: 0.25rem 0;
  background: var(--surface);
  color: var(--bs-body-color);
  border: 1px solid var(--surface-border);
  border-radius: 0.5rem;
  box-shadow: var(--surface-shadow);
}

.devtools-tool-search-menu[hidden] {
  display: none !important;
}

.devtools-tool-search-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.45rem 0.75rem;
  color: var(--bs-body-color);
  text-decoration: none;
  line-height: 1.3;
}

.devtools-tool-search-item-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  margin-top: 0.1rem;
  border-radius: 0.45rem;
  font-size: 0.95rem;
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), 0.12);
}

.devtools-tool-search-item-text {
  min-width: 0;
}

.devtools-tool-search-item:hover,
.devtools-tool-search-item.active {
  background: rgba(var(--bs-primary-rgb), 0.12);
  color: var(--bs-body-color);
}

.json-tree-view {
  max-height: min(70vh, 32rem);
  overflow: auto;
  line-height: 1.45;
}

.json-tree-node {
  margin-left: 1.1rem;
  border-left: 1px solid var(--bs-border-color);
  padding-left: 0.35rem;
}

.json-tree-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem;
  padding: 0.05rem 0;
  cursor: default;
}

.json-tree-line.is-branch {
  cursor: pointer;
}

.json-tree-toggle {
  display: inline-flex;
  width: 1rem;
  color: var(--bs-secondary-color);
  user-select: none;
  flex-shrink: 0;
}

.json-tree-key {
  color: #2874fc;
}

[data-bs-theme="dark"] .json-tree-key {
  color: #8ed1fc;
}

.json-tree-string {
  color: #006ba1;
}

[data-bs-theme="dark"] .json-tree-string {
  color: #a5d6ff;
}

.json-tree-number {
  color: #c45c26;
}

.json-tree-bool {
  color: #cf2e2e;
}

.json-tree-null {
  color: var(--bs-secondary-color);
  font-style: italic;
}

.json-tree-bracket {
  color: var(--bs-secondary-color);
}

.json-tree-children.is-collapsed,
.json-tree-close-bracket.is-collapsed {
  display: none;
}

.json-tree-preview {
  color: var(--bs-secondary-color);
  font-size: 0.8em;
}

.text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Theme toggle icons (vanilla JS — works under strict CSP) */
html[data-bs-theme="light"] .theme-icon-when-dark {
  display: none !important;
}

html[data-bs-theme="dark"] .theme-icon-when-light {
  display: none !important;
}

.tool-range-wrap {
  min-height: 2rem;
}

.tool-range-value {
  min-width: 2.75rem;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}