/* NAS Lab: compact hardware references and reading tools, with shared light/dark palettes. */
:root {
  --ground: #f5f7f8;
  --panel: #ffffff;
  --raised: #edf2f3;
  --ink: #202c32;
  --muted: #607077;
  --line: #dbe3e5;
  --mint: #087c69;
  --blue: #317dab;
  --warn: #a24d19;
  --on-accent: #ffffff;
  --accent-hover: #066653;
  --accent-soft: #e7f3ef;
  --prose: #34434a;
  --radius: 6px;
  --header-offset: 88px;
  color-scheme: light;
  font-family: "PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--ground);
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-offset);
  scrollbar-color: var(--line) var(--ground);
}
:root[data-theme="dark"] {
  --ground: #111719;
  --panel: #192124;
  --raised: #222e31;
  --ink: #e6eded;
  --muted: #acbbbe;
  --line: #344245;
  --mint: #7bddbd;
  --blue: #a0c6e1;
  --warn: #ffb98b;
  --on-accent: #10221c;
  --accent-hover: #9fe8cf;
  --accent-soft: #1d352e;
  --prose: #cbd5d8;
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
/* Match AI Naming: fill short viewports and let long content place the footer naturally. */
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}
body>main {
  flex: 1 0 auto;
}
body>.site-header,body>.site-footer {
  flex-shrink: 0;
}
a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: .28em;
}
button,input,select,textarea {
  font: inherit;
}
button,a,input,select {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: wait;
  opacity: .6;
}
a:hover {
  color: var(--mint);
}
a:active,button:active {
  opacity: .72;
}
button:focus-visible,a:focus-visible,canvas:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 1px;
}
::selection {
  background: var(--mint);
  color: var(--on-accent);
}
input {
  caret-color: var(--mint);
}
h1,h2,h3,p,figure {
  margin: 0;
}
h1,h2,h3 {
  font-weight: 600;
  text-wrap: balance;
}
svg {
  flex-shrink: 0;
  vertical-align: middle;
}
.skip {
  position: fixed;
  left: 20px;
  top: -80px;
  padding: 12px 20px;
  background: var(--mint);
  color: var(--on-accent);
  z-index: 10;
}
.skip:focus {
  top: 12px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 8;
  background: var(--ground);
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  gap: 40px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 19px;
  font-weight: 750;
  letter-spacing: .025em;
}
.brand>svg {
  color: var(--mint);
  width: 22px;
  height: 22px;
}
.brand-light {
  font-weight: 300;
  margin-left: 5px;
}
.site-header nav {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--muted);
}
.site-header nav a[aria-current] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--mint);
  text-underline-offset: 8px;
}
.search-link {
  display: flex;
  gap: 7px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}
main,.site-footer {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
}
.hero {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  padding: 28px 32px;
  gap: 40px;
  overflow: hidden;
}
.hero-copy {
  padding-top: 0;
}
.hero h1 {
  font-size: clamp(28px,2.7vw,36px);
  letter-spacing: -.025em;
  line-height: 1.35;
}
.hero h1 span {
  color: var(--mint);
}
.hero-copy>p {
  color: var(--muted);
  margin-top: 14px;
  font-size: 14px;
  max-width: 32em;
}
.actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.hero .actions {
  margin-top: 22px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  transition: background .16s,color .16s;
}
.button.primary {
  background: var(--mint);
  color: var(--on-accent);
}
.button.primary:hover {
  background: var(--accent-hover);
  color: var(--on-accent);
}
.button.secondary {
  border-color: var(--line);
  color: var(--ink);
  background: var(--panel);
}
.button.secondary:hover {
  background: var(--raised);
}
.text-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  border: 0;
  padding: 0;
  background: none;
  color: var(--ink);
}
.text-link:hover {
  color: var(--mint);
}
.text-link svg {
  width: 17px;
}
.hero-reading {
  border-top: 1px solid var(--line);
  margin-top: 42px;
  padding-top: 22px;
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}
.hero-reading>span {
  color: var(--mint);
  white-space: nowrap;
}
.hero-reading>svg {
  margin-left: auto;
  width: 16px;
}
.hardware-study {
  position: relative;
  background: radial-gradient(ellipse at 50% 55%,#142c39 0%,#0b1721 48%,var(--ground) 76%);
}
.study-top,.hardware-study figcaption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--muted);
}
.study-top {
  padding: 0 12px;
}
.study-top button {
  background: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  padding: 5px 10px;
  font-size: 11px;
}
.study-top button:hover {
  border-color: var(--mint);
  color: var(--mint);
}
#nas-model {
  display: block;
  width: 100%;
  aspect-ratio: 1.16;
  touch-action: pan-y;
  cursor: grab;
}
#nas-model:active {
  cursor: grabbing;
}
.hardware-study figcaption {
  padding: 0 12px;
}
.hardware-study i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 5px;
  background: var(--mint);
  border-radius: 50%;
}
.topic-rail {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  margin: 0 5.5%;
  border-block: 1px solid var(--line);
}
.topic-rail>a {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 20px;
}
.topic-rail>a:first-child {
  padding-left: 0;
}
.topic-rail>a+a {
  border-left: 1px solid var(--line);
}
.topic-icon {
  color: var(--mint);
}
.topic-icon svg {
  width: 26px;
  height: 26px;
}
.topic-rail h2 {
  font-size: 17px;
}
.topic-rail p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 5px;
}
.topic-rail>a>svg {
  margin-left: auto;
  width: 16px;
  color: var(--muted);
}
.topic-rail>a:hover {
  background: var(--raised);
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 16px;
}
.section-heading h2 {
  font-size: 20px;
  letter-spacing: -.02em;
  line-height: 1.4;
}
.section-heading p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}
.article-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.article-copy {
  flex: 1;
  min-width: 0;
}
.article-excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}
.article-thumbnail {
  flex-shrink: 0;
  width: 120px;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--raised);
}
.article-thumbnail img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .2s ease;
}
.article-thumbnail:hover img {
  transform: scale(1.035);
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 12px;
  flex-wrap: wrap;
}
.article-row h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.article-bottom {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}
.reading-close {
  text-align: center;
  padding: 90px 5.5%;
}
.reading-close h2 {
  font-size: 27px;
}
.reading-close p {
  color: var(--muted);
  margin: 14px 0 22px;
  font-size: 14px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}
.site-footer .brand {
  font-size: 17px;
  color: var(--ink);
}
.site-footer>div {
  grid-column: 2;
  grid-row: 1 / 2;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer small {
  grid-column: 1/-1;
  font-size: 12px;
  margin-top: 8px;
  color: var(--muted);
}
.page-shell {
  padding: 24px 32px 36px;
}
.page-intro {
  padding: 4px 0 20px;
  max-width: 800px;
}
.page-intro h1 {
  font-size: 28px;
  letter-spacing: -.03em;
}
.page-intro p {
  color: var(--muted);
  margin-top: 10px;
}
.filters {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--muted);
}
.filters [aria-current] {
  color: var(--mint);
}
.article-list {
  display: grid;
  grid-template-columns: 1fr;
}
.article-list .article-row {
  gap: 32px;
  padding-block: 28px;
}
.article-list .article-thumbnail {
  width: 30%;
  max-width: 300px;
}
.article-list h3 {
  font-size: 22px;
  letter-spacing: -.02em;
}
.article-list .article-excerpt {
  margin-top: 12px;
  font-size: 15px;
}
.article-list .article-bottom {
  margin-top: 16px;
  font-size: 13px;
}
.experience-library .filters {
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 0;
}
.editorial-grid .article-thumbnail {
  order: 1;
}
.breadcrumb {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}
.model-view-switch { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 20px; font-size: 14px; }
.model-view-switch a { padding-bottom: 10px; border-bottom: 2px solid transparent; }
.model-view-switch [aria-current="page"] { border-color: var(--mint); color: var(--mint); }
.device-filters { display: grid; grid-template-columns: minmax(160px,1fr) 180px auto auto; gap: 20px; align-items: end; margin-block: 12px 28px; }
.device-filters label { display: grid; gap: 8px; }
.device-filters input { width: 100%; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ground); color: var(--ink); }
.device-filters input:focus-visible { outline: none; border-color: var(--mint); box-shadow: 0 0 0 1px var(--mint); }
.device-filters .select-field { display: grid; gap: 8px; }
.device-filters .choices__inner { min-height: 44px; }
.device-filters [data-device-empty] { grid-column: 1/-1; }
.device-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 32px 24px; }
.device-card-image { display: block; overflow: hidden; background: var(--panel); border-radius: var(--radius); aspect-ratio: 4/3; }
.device-card-image img { display: block; width: 100%; height: auto; transition: transform .2s ease; }
.device-card-image:hover img { transform: scale(1.025); }
.device-card h2 { margin: 12px 0; font-size: 16px; overflow-wrap: anywhere; }
.device-card-actions { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; }
.device-gallery { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-block: 24px 36px; }
.device-gallery img { width: 100%; height: auto; background: var(--panel); border-radius: var(--radius); }
.device-spec-scroll { overflow-x: auto; margin-top: 24px; }
.device-spec-scroll table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 14px; }
.device-spec-scroll th,.device-spec-scroll td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.device-spec-scroll th { width: 28%; font-weight: 600; }
@media(max-width:760px) {
  .device-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 16px; }
  .device-filters { grid-template-columns: 1fr 1fr; gap: 16px; }
  .device-filters label:first-child { grid-column: 1/-1; }
  .device-card h2 { font-size: 14px; }
  .device-gallery { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
}
@media(prefers-reduced-motion:reduce) {
  .device-card-image img { transition: none; }
  .device-card-image:hover img { transform: none; }
}
.article-page {
  max-width: 960px;
  margin-inline: auto;
}
.reading-layout.article-reading {
  grid-template-areas: ". header" "toc content";
  row-gap: 0;
  border-top: 0;
  padding-top: 16px;
}
.article-reading>.article-header {
  grid-area: header;
  padding: 0 0 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.article-header .article-meta {
  margin-top: 8px;
}
.article-reading>.toc {
  grid-area: toc;
}
.article-main {
  grid-area: content;
  max-width: 680px;
  font-size: 16px;
}
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
  padding-block: 20px;
  border-block: 1px solid var(--line);
}
.post-navigation a {
  display: grid;
  gap: 6px;
  align-content: start;
}
.post-navigation a[rel="next"] {
  grid-column: 2;
  text-align: right;
}
.post-navigation span {
  font-size: 12px;
  color: var(--muted);
}
.post-navigation strong {
  font-size: 15px;
  font-weight: 600;
}
.article-comments {
  margin-top: 28px;
  scroll-margin-top: 16px;
}
.article-comments h2 {
  font-size: 20px;
  margin-bottom: 16px;
}
.comment-form {
  margin-top: 24px;
}
.comment-form h3 {
  font-size: 18px;
}
.comment-form textarea {
  resize: vertical;
}
.comment-loading {
  width: 20px;
  height: 20px;
  margin-block: 16px;
  border: 2px solid var(--line);
  border-top-color: var(--mint);
  border-radius: 50%;
  animation: pending-spin .8s linear infinite;
}
.comment-empty {
  color: var(--muted);
  font-size: 14px;
}
.comment {
  padding-block: 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.comment header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.comment time {
  color: var(--muted);
  font-size: 12px;
}
.comment p {
  margin-block: 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.comment-actions,.comment-reply {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.comment-actions button {
  font-size: 12px;
}
.comment-reply {
  margin-bottom: 12px;
  font-size: 13px;
}
.comment-replies {
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}
.comment-replies .comment-replies {
  margin-left: 0;
}
[data-comments-more],[data-comments-retry] {
  margin-top: 12px;
}
.article-header {
  max-width: 680px;
  padding: 16px 0 20px;
}
.article-header h1 {
  font-size: 26px;
  line-height: 1.45;
}
.reading-layout {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.toc {
  font-size: 13px;
  align-self: start;
  position: sticky;
  top: var(--header-offset);
}
.toc summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.toc summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 1px;
}
.toc nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
  color: var(--muted);
}
.prose {
  font-size: 15px;
  /* Keep Chinese body copy airy at the smaller reading size without stretching paragraphs. */
  line-height: 1.85;
  color: var(--prose);
  overflow-wrap: anywhere;
}
.prose h2 {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  margin: 36px 0 14px;
}
.prose>h2:first-child {
  margin-top: 0;
}
.prose p {
  margin: 16px 0;
}
.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}
.prose ul,.prose ol {
  margin-block: 20px;
  padding-inline-start: 1.6em;
}
.prose li {
  margin-block: 8px;
  padding-inline-start: .3em;
}
.prose li::marker {
  color: var(--mint);
  font-weight: 600;
}
.prose strong {
  color: var(--ink);
  font-weight: 600;
}
.prose table {
  width: 100%;
  font-size: 14px;
  line-height: 1.7;
  border-collapse: collapse;
  margin: 24px 0;
  table-layout: fixed;
}
.prose th,.prose td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  vertical-align: top;
}
.prose th {
  color: var(--ink);
}
.prose a {
  color: var(--mint);
  text-decoration: underline;
}
.prose a:hover {
  text-decoration-thickness: 2px;
}
.sources {
  border-top: 1px solid var(--line);
  margin-top: 32px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.sources h2 {
  font-size: 18px;
  margin-top: 20px;
}
.related {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.related>h2 {
  font-size: 20px;
  margin-bottom: 12px;
}
.planner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 24px;
}
.planner form {
  padding: 20px;
  background: var(--panel);
  border-radius: 8px;
  align-self: start;
}
.planner h2 {
  font-size: 18px;
  margin-bottom: 16px;
}
.planner label,.comment-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.planner input,.search-box input,.model-filters input,.comment-form input,.comment-form textarea {
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  padding: 8px 12px;
  width: 100%;
  font-size: 14px;
}
.planner input:hover,.search-box input:hover,.model-filters input:hover {
  border-color: #6a8598;
}
.form-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-note {
  color: var(--muted);
  font-size: 12px;
  margin: 12px 0;
}
.planner form>.button {
  margin-top: 4px;
}
.planner-result {
  padding-top: 20px;
}
.result-number {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  color: var(--mint);
}
.result-number small {
  font-size: 20px;
  color: var(--muted);
  margin-left: 10px;
}
.result-caption {
  font-size: 13px;
  color: var(--muted);
}
.candidate {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  gap: 12px;
  font-size: 13px;
}
.candidate b {
  font-weight: 500;
}
.candidate span {
  color: var(--mint);
}
.candidate .insufficient {
  color: var(--warn);
}
.error {
  color: var(--warn);
  font-size: 13px;
  margin-top: 12px;
}
.error:empty,#search-status:empty {
  margin: 0;
}
.search-box {
  display: flex;
  max-width: 700px;
  gap: 8px;
  margin-bottom: 16px;
}
.search-box input {
  padding: 8px 12px;
}
.search-box button {
  flex-shrink: 0;
}
#search-status {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.simple-page {
  max-width: 760px;
}
.simple-page h2 {
  margin-top: 24px;
  font-size: 20px;
}
.simple-page p {
  color: var(--muted);
  margin-top: 12px;
}
.simple-page a {
  color: var(--mint);
  text-decoration: underline;
}
[hidden] {
  display: none!important;
}
@media(max-width:1000px) {
  .site-header {
    gap: 35px;
  }
  .hero .actions {
    gap: 16px;
  }
  .hero-reading {
    font-size: 11px;
  }
  .topic-rail>a {
    padding: 22px 14px;
    gap: 10px;
  }
  .topic-rail p {
    font-size: 11px;
    max-width: 150px;
  }
  .reading-layout {
    grid-template-columns: 170px 1fr;
    gap: 30px;
  }
  .planner {
    gap: 24px;
  }
}
@media(max-width:760px) {
  :root {
    --header-offset: 128px;
  }
  .site-header {
    padding: 20px 6%;
    gap: 20px;
    flex-wrap: wrap;
  }
  .site-header .brand {
    font-size: 21px;
  }
  .site-header nav {
    order: 3;
    width: 100%;
    padding-top: 5px;
    font-size: 13px;
  }
  .search-link {
    font-size: 13px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 32px 6% 30px;
  }
  .hero-copy {
    padding-top: 0;
  }
  .hero h1 {
    font-size: 40px;
  }
  .hero-copy>p {
    font-size: 15px;
    margin-top: 22px;
  }
  .hero .actions {
    margin-top: 25px;
    gap: 22px;
  }
  .hero-reading {
    margin-top: 30px;
    padding-top: 18px;
    gap: 10px;
    font-size: 10px;
  }
  .hero-reading>span {
    font-size: 10px;
  }
  .hardware-study {
    margin-top: 32px;
  }
  .study-top,.hardware-study figcaption {
    font-size: 10px;
  }
  .topic-rail {
    grid-template-columns: 1fr;
    margin-inline: 6%;
  }
  .topic-rail>a,.topic-rail>a:first-child {
    padding: 22px 0;
    gap: 18px;
  }
  .topic-rail>a+a {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .topic-rail p {
    max-width: none;
    font-size: 12px;
  }
  .section-heading {
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
  }
  .section-heading h2 {
    font-size: 18px;
  }
  .section-heading p {
    font-size: 12px;
    max-width: 220px;
  }
  .section-heading>.text-link {
    font-size: 12px;
    white-space: nowrap;
    margin-top: 2px;
    gap: 5px;
  }
  .article-row h3 {
    font-size: 16px;
  }
  .article-row {
    gap: 12px;
  }
  .article-thumbnail {
    width: 88px;
  }
  .article-list .article-row {
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    padding-block: 24px;
  }
  .article-list .article-thumbnail {
    width: 100%;
    max-width: none;
  }
  .article-list h3 {
    font-size: 20px;
  }
  .article-list .article-excerpt {
    margin-top: 8px;
  }
  .article-list .article-bottom {
    margin-top: 12px;
  }
  .reading-close {
    padding: 60px 6%;
  }
  .reading-close h2 {
    font-size: 23px;
  }
  .site-footer {
    padding: 30px 6%;
    grid-template-columns: 1fr;
  }
  .site-footer>div {
    grid-column: 1;
    grid-row: auto;
    justify-content: flex-start;
    margin-top: 12px;
    gap: 20px;
  }
  .site-footer small {
    margin-top: 16px;
  }
  .page-shell {
    padding: 20px 20px 28px;
  }
  .page-intro {
    padding: 0 0 16px;
  }
  .page-intro h1 {
    font-size: 24px;
  }
  .page-intro p {
    font-size: 14px;
  }
  .filters {
    gap: 18px;
    font-size: 12px;
  }
  .article-header {
    padding: 12px 0 16px;
  }
  .article-header h1 {
    font-size: 22px;
  }
  .article-meta {
    gap: 12px;
    font-size: 11px;
  }
  .reading-layout {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 16px;
  }
  .toc {
    position: static;
    background: var(--panel);
    padding: 12px 16px;
    border-radius: 8px;
  }
  .toc nav {
    gap: 10px;
    margin-top: 12px;
  }
  .prose h2 {
    font-size: 18px;
  }
  .prose table {
    font-size: 13px;
  }
  .prose th,.prose td {
    padding: 12px 6px;
  }
  .planner {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .planner form {
    padding: 16px;
  }
  .planner-result {
    padding-top: 0;
  }
  .planner .actions {
    gap: 12px;
  }
  .candidate {
    font-size: 12px;
  }
  .search-box {
    gap: 8px;
  }
  .search-box input {
    padding: 8px 12px;
    width: 100%;
  }
  .search-box .button {
    padding: 8px 12px;
  }
  .related {
    margin-top: 24px;
  }
}
@media(prefers-reduced-motion:reduce) {
  :root {
    scroll-behavior: auto;
  }
  * {
    transition: none!important;
  }
}
/* Four capability entries and real model previews extend the existing reading surface. */
.model-preview {
  display: block;
  overflow: hidden;
  aspect-ratio: 638/479;
  border-radius: 8px;
  background: #f5f5f2;
}
.model-preview img {
  display: block;
  width: 100%;
  height: auto;
}
.model-preview:hover {
  outline: 2px solid var(--mint);
  outline-offset: 1px;
}
.showcase-preview figcaption {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.showcase-preview figcaption strong {
  display: block;
  font-weight: 600;
  font-size: 14px;
}
.module-rail {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  margin: 0 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.module-rail a {
  padding: 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
}
.module-rail a+a {
  border-left: 1px solid var(--line);
}
.module-rail strong {
  font-size: 14px;
  font-weight: 600;
}
.module-rail svg {
  width: 16px;
  color: var(--muted);
  grid-column: 3;
  grid-row: 1;
}
.module-rail a:hover {
  background: var(--accent-soft);
}
.model-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.model-feature h2 {
  font-size: 24px;
  margin: 12px 0 16px;
}
.model-feature p,.model-list p {
  color: var(--muted);
  font-size: 14px;
}
.availability {
  color: var(--mint);
  font-size: 12px;
}
.model-facts {
  margin: 24px 0;
}
.model-facts>div {
  margin: 12px 0;
}
.model-facts dt {
  font-size: 12px;
  color: var(--muted);
}
.model-facts dd {
  margin: 4px 0 0;
  font-size: 14px;
}
.model-list {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
}
.model-list article {
  padding: 10px 0 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.model-list h2 {
  font-size: 15px;
  margin: 8px 0;
}
.model-list .actions {
  margin-top: auto;
  gap: 8px;
  padding-top: 8px;
}
.model-list .model-preview {
  margin-bottom: 10px;
}
.reference-model {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: center;
}
.comparison-table img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 638/479;
  border-radius: 4px;
  margin-bottom: 14px;
}
.section-note {
  color: var(--muted);
  font-size: 14px;
  margin: 12px 0 16px;
}
.model-header {
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.model-header h1 {
  font-size: 28px;
  letter-spacing: -.025em;
}
.model-header .button {
  flex-shrink: 0;
}
.studio [data-studio-preview] {
  max-width: 720px;
}
.studio-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
}
.studio-frame {
  width: 100%;
  height: 1000px;
  border: 0;
  border-radius: 8px;
  display: block;
  background: #eceeea;
  margin-top: 20px;
}
.scope-note {
  padding: 16px;
  background: var(--panel);
  border-radius: 8px;
  font-size: 14px;
  color: var(--muted);
}
.specification {
  margin-top: 24px;
}
.specification h2 {
  font-size: 20px;
  margin-bottom: 12px;
}
.spec-list {
  margin: 0;
}
.spec-list>div {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  gap: 20px;
  font-size: 14px;
}
.spec-list dt {
  color: var(--muted);
}
.spec-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.source-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  margin-top: 12px;
}
.source-line a {
  color: var(--mint);
  text-decoration: underline;
}
.source-line span {
  color: var(--muted);
}
.task-links {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
  margin-top: 12px;
}
.task-links a {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.task-links strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}
.task-links a:hover strong {
  text-decoration: underline;
}
.comparison-controls {
  padding: 16px;
  background: var(--panel);
  border-radius: 8px;
}
.comparison-controls fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}
.comparison-controls legend {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--muted);
}
.comparison-controls label {
  cursor: pointer;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.comparison-controls input {
  accent-color: var(--mint);
}
.comparison-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 12px;
}
.comparison-actions button {
  font-size: 13px;
}
.comparison-actions button:disabled {
  cursor: default;
}
.comparison-scroll {
  overflow-x: auto;
  border-block: 1px solid var(--line);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  table-layout: fixed;
}
.comparison-table caption {
  text-align: left;
  color: var(--muted);
  font-size: 12px;
  padding: 12px 0;
}
.comparison-table th,.comparison-table td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  overflow-wrap: anywhere;
}
.comparison-table th:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--ground);
  width: 150px;
  color: var(--muted);
  font-weight: 400;
}
.comparison-table th:not(:first-child),.comparison-table td {
  min-width: 210px;
}
.comparison-table thead th {
  vertical-align: top;
  background: var(--panel);
}
.comparison-table thead a {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 12px;
}
.comparison-table thead strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  margin: 4px 0 6px;
}
.comparison-table thead a:hover strong {
  color: var(--mint);
}
.comparison-table thead span,.comparison-table td>a {
  color: var(--mint);
}
.comparison-table time {
  font-size: 12px;
  color: var(--muted);
}
.decision-notes {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
  margin-top: 20px;
}
.decision-notes h3 {
  font-size: 16px;
  margin-bottom: 8px;
}
.decision-notes p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
}
@media(max-width:1000px) {
  .model-feature {
    gap: 32px;
  }
  .comparison-table {
    table-layout: auto;
  }
}
@media(max-width:760px) {
  .showcase-preview figcaption {
    gap: 10px;
  }
  .showcase-preview figcaption .text-link {
    font-size: 12px;
  }
  .module-rail {
    margin-inline: 6%;
  }
  .module-rail a {
    padding: 18px 12px;
  }
  .module-rail strong {
    font-size: 15px;
  }
  .model-feature,.decision-notes,.task-links {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .model-feature h2 {
    font-size: 22px;
  }
  .model-header {
    align-items: center;
    flex-direction: row;
    padding: 12px 0;
  }
  .model-header h1 {
    font-size: 24px;
  }
  .studio-controls {
    gap: 12px;
  }
  .spec-list>div {
    grid-template-columns: 96px 1fr;
    gap: 12px;
    font-size: 13px;
  }
  .specification {
    margin-top: 24px;
  }
  .task-links {
    gap: 0;
  }
  .comparison-controls {
    padding: 16px;
  }
  .comparison-controls fieldset {
    flex-direction: column;
    gap: 10px 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .comparison-actions {
    gap: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .comparison-table th:first-child {
    width: 96px;
    min-width: 96px;
  }
  .comparison-table td,.comparison-table th:not(:first-child) {
    min-width: 180px;
  }
  .comparison-table th,.comparison-table td {
    padding: 12px 8px;
  }
  .comparison-table thead strong {
    font-size: 14px;
  }
}
/* Keep row labels visible while the mobile comparison is scrolled sideways. */
.comparison-table thead th:first-child {
  background: var(--panel);
}
.table-hint {
  display: none;
}
@media(max-width:760px) {
  .table-hint {
    display: block;
    margin-top: 6px;
  }
}
@media(max-width:760px) {
  .reference-model {
    display: block;
  }
  .reference-model .actions {
    margin-top: 20px;
  }
}
/* Compact tool cards distinguish actionable utilities from the related reading links. */
.tool-directory {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.tool-directory>a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color .16s,background .16s,transform .16s;
}
.tool-directory .tool-art {
  grid-column: 1/-1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}
.tool-directory h2 {
  font-size: 16px;
}
.tool-directory>a>svg {
  width: 16px;
  color: var(--muted);
}
.tool-directory>a:hover,.tool-directory>a:focus-visible {
  border-color: var(--mint);
  background: var(--accent-soft);
}
@media(hover:hover) {
  .tool-directory>a:hover {
    transform: translateY(-2px);
  }
}
.tool-directory>a:active {
  transform: translateY(1px);
}
@media(prefers-reduced-motion:reduce) {
  .tool-directory>a,.tool-directory>a:hover,.tool-directory>a:active {
    transition: none;
    transform: none;
  }
}
@media(max-width:1000px) {
  .tool-directory {
    grid-template-columns: repeat(2,1fr);
  }
}
.network-page .planner-result button:disabled {
  cursor: default;
}
.network-steps {
  font-size: 14px;
  padding-left: 24px;
  margin: 12px 0 20px;
  max-width: 73ch;
}
.network-steps li+li {
  margin-top: 12px;
}
.network-page .scope-note {
  margin: 16px 0;
}
@media(max-width:760px) {
  .tool-directory {
    gap: 12px;
  }
  .tool-directory>a {
    gap: 12px 8px;
    padding: 12px;
  }
  .tool-directory h2 {
    font-size: 14px;
  }
}
/* Native popover keeps operation feedback in the top layer without shifting content. */
.toast {
  inset: auto 16px max(24px,env(safe-area-inset-bottom));
  margin-inline: auto;
  width: max-content;
  max-width: calc(100vw - 32px);
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--raised);
  color: var(--ink);
  box-shadow: 0 12px 40px #0008;
  display: none;
  align-items: flex-start;
  gap: 20px;
  font-size: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .18s ease,transform .18s ease,display .18s allow-discrete,overlay .18s allow-discrete;
}
.toast span {
  overflow-wrap: anywhere;
  user-select: text;
}
.toast button {
  flex-shrink: 0;
  color: var(--mint);
  border: 0;
  background: none;
  cursor: pointer;
  font: inherit;
}
.toast:popover-open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}
@starting-style {
  .toast:popover-open {
    opacity: 0;
    transform: translateY(8px);
  }
}
@media(prefers-reduced-motion:reduce) {
  .toast {
    transition: none;
    transform: none;
  }
}
.tool-form [aria-busy="true"]::before,[data-comment-submit][aria-busy="true"]::before {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: 12px;
  height: 12px;
  margin-right: 8px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: pending-spin .8s linear infinite;
}
@keyframes pending-spin {
  to {
    transform: rotate(360deg);
  }
}
@media(prefers-reduced-motion:reduce) {
  .tool-form [aria-busy="true"]::before,[data-comment-submit][aria-busy="true"]::before {
    animation: none;
  }
}

input:focus-visible,select:focus-visible,textarea:focus-visible {
  outline: none;
  border-color: var(--mint);
  box-shadow: 0 0 0 1px var(--mint);
}
.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--muted);
  transition: background .16s,color .16s,border-color .16s;
}
.theme-toggle:hover {
  color: var(--mint);
  border-color: var(--mint);
  background: var(--accent-soft);
}
.theme-toggle svg:first-child {
  display: none;
}
:root[data-theme="dark"] .theme-toggle svg:first-child {
  display: block;
}
:root[data-theme="dark"] .theme-toggle svg:last-child {
  display: none;
}
.showcase-preview {
  max-width: 440px;
  justify-self: end;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0,1fr) 130px;
  align-items: center;
  gap: 18px;
}
.module-rail .service-icon {
  grid-column: 1;
  grid-row: 1;
  display: inline-flex;
  color: var(--mint);
}
.module-rail .service-icon svg {
  width: 22px;
  height: 22px;
  color: inherit;
}
.model-shelf {
  margin: 32px 32px 0;
}
.model-shelf-grid {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 18px;
}
.model-shelf h3 {
  font-size: 13px;
  margin-top: 10px;
}
.home-resources {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 36px;
  margin: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.home-resources .section-heading h2,.model-shelf .section-heading h2 {
  font-size: 19px;
}
.home-resources .article-row:first-child {
  padding-top: 0;
}
.home-resources .article-row:last-child {
  border-bottom: 0;
}
.home-tool-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.home-tool-list>a {
  display: flex;
  align-items: center;
  padding: 18px;
  gap: 14px;
  transition: background .16s;
}
.home-tool-list>a+a {
  border-top: 1px solid var(--line);
}
.home-tool-list>a:hover {
  background: var(--accent-soft);
}
.home-tool-list h3 {
  font-size: 14px;
}
.home-tool-list>a>svg {
  margin-left: auto;
  width: 16px;
  color: var(--muted);
}
.tool-icon {
  display: inline-flex;
  padding: 9px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--mint);
}
.empty-guides {
  color: var(--muted);
}
@media(max-width:1000px) {
  .site-header {
    gap: 24px;
  }
  .site-header nav {
    gap: 18px;
  }
  .module-rail {
    grid-template-columns: repeat(4,1fr);
  }
  .module-rail a:nth-child(3) {
    border-left: 1px solid var(--line);
  }
  .module-rail a:nth-child(n+3) {
    border-top: 0;
  }
  .module-rail .service-icon {
    display: none;
  }
  .module-rail strong {
    grid-column: 1 / 3;
  }
  .model-shelf-grid {
    gap: 12px;
  }
  .home-resources {
    gap: 24px;
  }
}
@media(max-width:760px) {
  .site-header {
    flex-wrap: wrap;
    padding: 12px 20px;
    gap: 10px;
  }
  .site-header nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
    padding-top: 4px;
  }
  .site-header .brand {
    font-size: 18px;
  }
  .site-header nav a {
    padding-block: 6px;
  }
  .header-actions {
    gap: 16px;
  }
  .page-shell {
    padding: 20px 20px 28px;
  }
  .hero {
    grid-template-columns: 1.1fr .9fr;
    padding: 24px 20px;
    gap: 20px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero-copy>p {
    margin-top: 12px;
    font-size: 13px;
  }
  .hero .actions {
    margin-top: 18px;
    gap: 14px;
  }
  .hero .button {
    padding: 9px 12px;
    gap: 8px;
  }
  .showcase-preview {
    max-width: 340px;
    display: block;
  }
  .showcase-preview figcaption {
    margin-top: 10px;
    gap: 6px;
  }
  .module-rail {
    margin-inline: 20px;
    grid-template-columns: repeat(2,1fr);
  }
  .module-rail a {
    padding: 14px;
  }
  .module-rail a:nth-child(3) {
    border-left: 0;
  }
  .module-rail a:nth-child(n+3) {
    border-top: 1px solid var(--line);
  }
  .model-shelf {
    margin: 24px 20px 0;
  }
  .model-shelf-grid {
    grid-template-columns: repeat(3,1fr);
    gap: 18px 12px;
  }
  .home-resources {
    grid-template-columns: 1fr;
    margin: 24px 20px 32px;
    padding-top: 24px;
  }
  .reading-layout {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 16px;
  }
  .site-footer {
    padding: 24px 20px;
  }
  .site-footer>div {
    gap: 16px;
  }
}
@media(max-width:540px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .showcase-preview {
    max-width: none;
    display: grid;
    grid-template-columns: 148px 1fr;
    align-items: center;
    gap: 16px;
  }
  .showcase-preview figcaption {
    margin-top: 0;
    gap: 8px;
  }
  .model-shelf-grid {
    grid-template-columns: repeat(2,1fr);
  }
  .model-shelf .section-heading,.home-resources .section-heading {
    gap: 12px;
  }
}
/* Model-library controls filter the rendered cards; no layout copy is needed between names and actions. */
.model-filters {
  display: grid;
  grid-template-columns: minmax(180px,1.7fr) minmax(140px,1fr) minmax(140px,1fr) auto auto;
  align-items: end;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.model-filter-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.model-filter-field label {
  font-size: 13px;
  color: var(--muted);
}
.model-filters>button,.model-filters>output {
  padding-block: 10px;
  white-space: nowrap;
}
.model-filters output {
  color: var(--muted);
  font-size: 13px;
}
.model-filters .form-note {
  grid-column: 1 / -1;
  margin: 0;
}
.scope-details {
  margin: 12px 0 16px;
  font-size: 13px;
  color: var(--muted);
}
.scope-details summary {
  cursor: pointer;
  width: fit-content;
}
.scope-details summary:hover {
  color: var(--mint);
}
.scope-details summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 1px;
}
.scope-details p {
  max-width: 73ch;
  margin-top: 10px;
}
@media(max-width:900px) {
  .model-filters {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .model-query,.model-filters .form-note {
    grid-column: 1 / -1;
  }
  .model-filters output {
    justify-self: end;
  }
  .model-filters button {
    justify-self: start;
  }
}
.model-list .button {
  font-size: 12px;
  padding: 8px 10px;
  gap: 6px;
}
@media(max-width:1000px) {
  .model-list {
    grid-template-columns: repeat(2,1fr);
    gap: 16px;
  }
}
@media(max-width:540px) {
  .model-list {
    gap: 18px 12px;
  }
  .model-list h2 {
    font-size: 13px;
  }
  .model-list .actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    margin-top: auto;
    padding-top: 6px;
  }
  .model-list .button {
    width: 100%;
    padding: 8px 6px;
  }
}
@media(max-width:760px) {
  .related>h2,.specification h2,.simple-page h2 {
    font-size: 18px;
  }
  .comparison-controls label {
    font-size: 13px;
  }
  .model-header h1 {
    overflow-wrap: anywhere;
  }
  .decision-notes {
    margin-top: 16px;
  }
}

@media(max-width:760px) {
  .reading-layout.article-reading {
    grid-template-areas: "header" "toc" "content";
    row-gap: 16px;
  }
  .article-reading>.article-header {
    padding-bottom: 16px;
    margin-bottom: 0;
  }
  .post-navigation {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-block: 16px;
  }
  .post-navigation a[rel="next"] {
    grid-column: 1;
    text-align: left;
  }
  .article-comments h2 {
    font-size: 18px;
  }
}
@media(prefers-reduced-motion:reduce) {
  .comment-loading {
    animation: none;
  }
}
/* Focused tools keep inputs together and reveal one result after an explicit action. */
.tool-workspace {
  display: block;
  max-width: 760px;
}
.tool-workspace .tool-form {
  border: 1px solid var(--line);
}
.tool-fields {
  border: 0;
  padding: 0;
  margin: 0;
}
.tool-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 16px;
}
.tool-boundary {
  margin: 0 0 16px;
  font-size: 14px;
}
.tool-workspace .tool-result {
  margin-top: 20px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  animation: tool-appear .18s ease-out;
}
.tool-result:focus,.tool-form:focus {
  outline: none;
  border-color: var(--mint);
}
.tool-result p {
  overflow-wrap: anywhere;
}
.tool-total {
  color: var(--mint);
  font-size: 28px;
  font-variant-numeric: tabular-nums;
  margin: 8px 0;
}
.tool-summary,.tool-status {
  color: var(--muted);
  font-size: 13px;
}
.tool-result .tool-conclusion {
  font-size: 22px;
  color: var(--mint);
  margin: 0 0 16px;
}
.tool-result h3 {
  font-size: 16px;
}
.tool-options,.tool-help {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 16px;
}
.tool-options summary,.tool-help summary {
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}
.tool-options summary:hover,.tool-help summary:hover {
  color: var(--mint);
}
.tool-options[open]>summary,.tool-help[open]>summary {
  margin-bottom: 12px;
}
.tool-options p,.tool-help p {
  font-size: 13px;
  margin: 8px 0;
}
.tool-breakdown {
  margin: 16px 0;
  font-size: 14px;
}
.tool-breakdown>div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.tool-breakdown dt {
  color: var(--muted);
}
.tool-breakdown dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.probe-grid {
  display: grid;
  gap: 12px;
}
.probe-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.tool-workspace .probe-card h3 {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}
.probe-value {
  font-size: 20px;
  margin: 8px 0;
  font-variant-numeric: tabular-nums;
}
.probe-card[data-state="observed"] .probe-value {
  color: var(--mint);
}
.probe-card[data-state="waiting"] .probe-value::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 8px;
  border: 2px solid var(--line);
  border-top-color: var(--mint);
  border-radius: 50%;
  animation: pending-spin .8s linear infinite;
}
.probe-evidence summary {
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
}
.probe-evidence p {
  font-size: 12px;
}
.tool-workspace .tool-followup {
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  margin-top: 16px;
}
.tool-followup label {
  max-width: 420px;
}
@keyframes tool-appear {
  from { opacity: 0; }
  to { opacity: 1; }
}
@media(max-width:760px) {
  .tool-workspace .tool-result {
    padding: 16px;
  }
  .tool-total {
    font-size: 24px;
  }
  .tool-result .tool-conclusion {
    font-size: 20px;
  }
}
@media(prefers-reduced-motion:reduce) {
  .tool-workspace .tool-result,.probe-card[data-state="waiting"] .probe-value::before {
    animation: none;
  }
}