/* Page-specific polish for the external extension developer guide. */

.extensions-page .extension-content {
  min-width:0;
}

.extensions-page .extension-hero {
  max-width:none;
  margin-bottom:88px;
  padding:34px 36px 32px;
  border:1px solid var(--line);
  border-top:3px solid var(--accent);
  border-radius:14px;
  background:
    radial-gradient(circle at 100% 0,color-mix(in srgb,var(--teal) 10%,transparent),transparent 36%),
    var(--panel);
  box-shadow:var(--shadow);
}

.extensions-page .extension-hero h1 {
  max-width:720px;
  font-size:clamp(40px,5vw,57px);
}

.extensions-page .extension-hero .lead {
  max-width:690px;
  font-size:16px;
}

.extensions-page .extension-hero .legend {
  padding-bottom:23px;
  border-bottom:1px solid var(--line);
}

.extensions-page .extension-hero .quick-index {
  grid-template-columns:repeat(4,minmax(0,1fr));
}

.extensions-page .extension-hero .quick-index a {
  min-width:0;
  min-height:72px;
  justify-content:center;
  transition:transform .18s,border-color .18s,background .18s;
}

.extensions-page .extension-hero .quick-index a:hover {
  transform:translateY(-2px);
  background:color-mix(in srgb,var(--accent) 4%,var(--panel));
}

.extensions-page .extension-hero>.tip-row {
  margin-bottom:0;
}

.extensions-page .extension-content .feature {
  padding-top:66px;
  padding-bottom:82px;
}

.extensions-page .extension-content .feature-head {
  padding-bottom:13px;
  border-bottom:1px solid var(--line);
}

.extensions-page .extension-content .feature-head h2 {
  font-size:29px;
}

.extensions-page .extension-content .feature-lede {
  max-width:740px;
  margin-bottom:30px;
  font-size:14px;
  line-height:1.72;
}

.extensions-page .extension-flow {
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);
  margin:30px 0 18px;
}

.extensions-page .extension-flow>div {
  min-width:0;
  min-height:168px;
}

.extensions-page .extension-flow strong {
  overflow-wrap:anywhere;
}

.extensions-page .extension-principles {
  grid-template-columns:repeat(3,minmax(0,1fr));
  margin-top:14px;
}

.extensions-page .extension-principles .info-card {
  min-width:0;
  min-height:190px;
  display:flex;
  flex-direction:column;
}

.extensions-page .extension-principles h3 {
  min-height:42px;
}

.extensions-page .extension-principles p {
  margin-top:auto;
}

.extensions-page .extension-architecture-intro {
  max-width:750px;
  margin-top:46px;
}

.extensions-page .extension-architecture-intro .block-label {
  margin-bottom:10px;
}

.extensions-page .extension-architecture-intro h3 {
  margin:0 0 9px;
  color:var(--ink);
  font-family:'DM Sans',sans-serif;
  font-size:20px;
  letter-spacing:-.02em;
}

.extensions-page .extension-architecture-intro>p:last-child {
  max-width:720px;
  margin:0;
  color:var(--muted);
  font-size:12px;
  line-height:1.7;
}

.extensions-page .extension-architecture {
  margin:20px 0 0;
  padding:22px 22px 17px;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:13px;
  background:
    linear-gradient(135deg,color-mix(in srgb,var(--teal) 4%,transparent),transparent 38%),
    var(--panel);
  box-shadow:var(--shadow);
}

.extensions-page .extension-diagram-scroll {
  max-width:100%;
  overflow-x:auto;
  padding-bottom:7px;
  scrollbar-color:var(--line) transparent;
}

.extensions-page .extension-diagram {
  display:block;
  width:100%;
  min-width:760px;
  height:auto;
  color:var(--ink);
  font-family:'DM Mono',monospace;
}

.extensions-page .extension-diagram text {
  fill:currentColor;
}

.extensions-page .extension-diagram .d-box {
  fill:var(--panel);
  stroke:color-mix(in srgb,var(--ink) 62%,var(--line));
  stroke-width:1.2;
}

.extensions-page .extension-diagram .d-box-2 {
  fill:var(--soft);
  stroke:var(--line);
  stroke-width:1;
}

.extensions-page .extension-diagram .d-new {
  fill:color-mix(in srgb,var(--teal) 11%,var(--panel));
  stroke:var(--teal);
  stroke-width:1.5;
}

.extensions-page .extension-diagram .d-title {
  font-family:'DM Sans',sans-serif;
  font-size:12px;
  font-weight:700;
}

.extensions-page .extension-diagram .d-sub,
.extensions-page .extension-diagram .d-lab {
  fill:var(--muted);
  font-size:10px;
}

.extensions-page .extension-diagram .d-lab {
  font-size:9px;
}

.extensions-page .extension-diagram .d-newtag {
  fill:var(--teal);
  font-size:9px;
  font-weight:700;
  letter-spacing:.04em;
}

.extensions-page .extension-diagram .d-edge,
.extensions-page .extension-diagram .d-edge-new {
  fill:none;
  stroke:var(--ink);
  stroke-width:1.5;
}

.extensions-page .extension-diagram .d-edge-new {
  stroke:var(--teal);
  stroke-width:2;
}

.extensions-page .extension-diagram .d-div {
  stroke:var(--muted);
  stroke-width:1;
  stroke-dasharray:6 5;
}

.extensions-page .extension-architecture figcaption {
  margin-top:7px;
  padding:15px 4px 0;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:10px;
  line-height:1.65;
}

.extensions-page .extension-architecture figcaption strong {
  color:var(--ink);
}

.extensions-page .extension-content .code-wrap {
  min-width:0;
  max-width:100%;
}

.extensions-page .extension-content .code-block,
.extensions-page .extension-content .grammar-block {
  max-width:100%;
}

.extensions-page #layout .code-wrap {
  margin-top:6px;
}

.extensions-page #layout .code-block {
  min-height:245px;
  padding:25px 26px;
  font-size:12px;
}

.extensions-page #manifest>.code-wrap {
  margin-bottom:26px;
}

.extensions-page #manifest>.code-wrap .code-block {
  padding-right:52px;
}

.extensions-page .extension-content .syntax-columns {
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin-top:28px;
}

.extensions-page .extension-content .syntax-columns>div {
  min-width:0;
  display:flex;
  flex-direction:column;
  padding:19px;
  border:1px solid var(--line);
  border-radius:11px;
  background:var(--panel);
}

.extensions-page .extension-content .syntax-columns h3 {
  margin:0 0 8px;
  font-size:13px;
}

.extensions-page .extension-content .syntax-columns .muted {
  margin:0 0 15px;
  line-height:1.55;
}

.extensions-page .extension-content .syntax-columns .code-block {
  width:100%;
  margin-top:auto;
  font-size:10px;
}

.extensions-page #protocol .reference-table {
  overflow-x:auto;
}

.extensions-page #protocol .table-row {
  grid-template-columns:.9fr .75fr 1.7fr;
  min-width:660px;
}

.extensions-page #permissions .security-banner {
  margin-top:16px;
  padding:18px;
}

.extensions-page #workflow .cli-grid {
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}

.extensions-page #workflow .cli-command {
  min-width:0;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(110px,.8fr);
  min-height:68px;
  padding:14px 15px;
}

.extensions-page #workflow .cli-command code {
  min-width:0;
  overflow-wrap:anywhere;
  line-height:1.55;
}

.extensions-page #workflow .cli-command span {
  line-height:1.45;
}

.extensions-page #workflow .lock-example {
  max-width:620px;
  margin-top:0;
  padding:20px 22px;
}

.extensions-page #checklist .checklist {
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}

.extensions-page #checklist .checklist>div {
  min-width:0;
  min-height:86px;
  align-items:flex-start;
  padding:16px;
}

.extensions-page #checklist .checklist>div>span {
  flex:0 0 23px;
  display:grid;
  place-items:center;
  width:23px;
  height:23px;
  border-radius:50%;
  color:#fff;
  background:var(--teal);
  font-size:11px;
}

.extensions-page #checklist .checklist p {
  font-size:11px;
  line-height:1.55;
}

.extensions-page .extension-content .tip-row {
  margin-top:20px;
  padding:13px 15px;
}

@media (max-width:900px) {
  .extensions-page .extension-hero {
    margin-bottom:72px;
  }

  .extensions-page .extension-flow {
    grid-template-columns:1fr;
  }

  .extensions-page .extension-flow i {
    justify-self:center;
    transform:rotate(90deg);
  }
}

@media (max-width:760px) {
  .extensions-page .extension-hero {
    padding:26px 23px;
  }

  .extensions-page .extension-hero .quick-index,
  .extensions-page .extension-principles,
  .extensions-page .extension-content .syntax-columns,
  .extensions-page #workflow .cli-grid,
  .extensions-page #checklist .checklist {
    grid-template-columns:1fr;
  }

  .extensions-page .extension-principles .info-card {
    min-height:160px;
  }

  .extensions-page .extension-architecture-intro {
    margin-top:38px;
  }

  .extensions-page .extension-architecture {
    margin-right:-6px;
    margin-left:-6px;
    padding:15px 14px 13px;
    border-radius:10px;
  }

  .extensions-page .extension-diagram {
    min-width:720px;
  }

  .extensions-page .extension-principles h3 {
    min-height:0;
  }

  .extensions-page #workflow .cli-command {
    grid-template-columns:1fr;
    gap:7px;
  }

  .extensions-page #workflow .cli-command span {
    text-align:left;
  }
}

@media (max-width:520px) {
  .extensions-page .extension-hero {
    padding:22px 18px;
    border-radius:11px;
  }

  .extensions-page .extension-hero h1 {
    font-size:38px;
  }

  .extensions-page .extension-content .feature {
    padding-top:52px;
    padding-bottom:66px;
  }

  .extensions-page .extension-content .syntax-columns>div {
    padding:14px;
  }

  .extensions-page #layout .code-block {
    min-height:0;
    padding:18px 15px;
    font-size:10px;
  }
}

/* Readable type scale for the extension guide. */
.extensions-page .extension-hero .lead { font-size:18px; }
.extensions-page .extension-content .feature-lede { font-size:16px; }
.extensions-page .extension-architecture-intro>p:last-child { font-size:14px; }
.extensions-page .extension-diagram .d-title { font-size:13px; }
.extensions-page .extension-diagram .d-sub { font-size:11.5px; }
.extensions-page .extension-diagram .d-lab,
.extensions-page .extension-diagram .d-newtag { font-size:10.5px; }
.extensions-page .extension-architecture figcaption { font-size:13px; }
.extensions-page .extension-content .syntax-columns h3 { font-size:16px; }
.extensions-page .extension-content .syntax-columns .muted { font-size:14px; }
.extensions-page .extension-content .syntax-columns .code-block { font-size:13px; }
.extensions-page #checklist .checklist p { font-size:13px; }

@media (max-width:520px) {
  .extensions-page #layout .code-block { font-size:13px; }
}

/* --- adapted to the modern docs shell (no .layout wrapper) --- */
.extensions-page .extension-content { padding:0; max-width:none; }
.extensions-page .extension-diagram { color:var(--ink); }
.extensions-page .extension-diagram text { fill:currentColor; }
.extensions-page .extension-diagram-scroll { border:1px solid var(--line); border-radius:12px; padding:18px; background:var(--panel); }