diff --git a/src/components/blocks/PreviewPane.astro b/src/components/blocks/PreviewPane.astro
index af95ccf..7fbffb9 100644
--- a/src/components/blocks/PreviewPane.astro
+++ b/src/components/blocks/PreviewPane.astro
@@ -61,8 +61,6 @@ const { title, subtitle, rendered } = Astro.props;
 </section>
 
 <style>
-  /* The whole pane is the dark surface. The header border separates the
-     action bar from the tab strip from the body. */
   .preview {
     border: 1px solid var(--ink);
     background: var(--deep);
@@ -77,7 +75,6 @@ const { title, subtitle, rendered } = Astro.props;
     border-bottom: 1px solid var(--line);
   }
 
-  /* Title cluster: eyebrow line + subtitle. */
   .preview-title {
     display: grid;
     gap: 2px;
@@ -91,7 +88,6 @@ const { title, subtitle, rendered } = Astro.props;
     letter-spacing: 0.1em;
   }
 
-  /* Subtitle below the eyebrow. */
   .preview-title small {
     color: var(--paper);
     /* token-gap: no --step-* covers 9px; owner design-system-keeper */
@@ -101,8 +97,6 @@ const { title, subtitle, rendered } = Astro.props;
     letter-spacing: 0.05em;
   }
 
-  /* Action buttons live in the right cluster. The component lays them out;
-     the call site fills the `actions` slot. */
   .preview-actions {
     display: flex;
     gap: 6px;
@@ -118,28 +112,28 @@ const { title, subtitle, rendered } = Astro.props;
     font:
       700 10px ui-monospace,
       monospace;
+
+    &:hover {
+      background: var(--muted);
+    }
   }
 
-  .preview button:hover {
-    background: var(--muted);
-  }
-
-  /* The Markdown toggle is deliberately distinct from the other actions. */
+  /* The Markdown toggle is the panel's primary action — gold by default,
+     flips to red on press/hover so it reads as a stateful switch, not a
+     ghost button. */
   .preview button.preview-markdown {
     color: var(--ink);
     border-color: var(--gold);
     background: var(--gold);
+
+    &:hover,
+    &[aria-pressed='true'] {
+      color: var(--paper);
+      background: var(--red);
+      border-color: var(--red);
+    }
   }
 
-  .preview button.preview-markdown:hover,
-  .preview button.preview-markdown[aria-pressed='true'] {
-    color: var(--paper);
-    background: var(--red);
-    border-color: var(--red);
-  }
-
-  /* Source body: bounded scroll, monospaced, the canonical dark code
-     surface. The max-height hook is the one verify.mjs asserts. */
   .preview pre {
     max-height: 540px;
     margin: 0;
@@ -148,7 +142,6 @@ const { title, subtitle, rendered } = Astro.props;
     background: var(--ink);
   }
 
-  /* Code text inside the source surface. */
   .preview code {
     font:
       12px / 1.65 ui-monospace,
@@ -156,179 +149,175 @@ const { title, subtitle, rendered } = Astro.props;
     white-space: pre-wrap;
   }
 
-  /* Rendered Markdown body: same bounded reading surface. */
   .markdown-preview {
     max-height: 540px;
     overflow: auto;
     padding: 24px;
     color: var(--paper);
     background: var(--ink);
-  }
 
-  .markdown-preview > :first-child {
-    margin-top: 0;
-  }
+    > :first-child {
+      margin-top: 0;
+    }
 
-  .markdown-preview :global(h1),
-  .markdown-preview :global(h2),
-  .markdown-preview :global(h3),
-  .markdown-preview :global(h4),
-  .markdown-preview :global(h5),
-  .markdown-preview :global(h6) {
-    margin: 1.5em 0 0.5em;
-    color: var(--paper);
-    line-height: 1.15;
-  }
+    :global(h1),
+    :global(h2),
+    :global(h3),
+    :global(h4),
+    :global(h5),
+    :global(h6) {
+      margin: 1.5em 0 0.5em;
+      color: var(--paper);
+      line-height: 1.15;
+    }
 
-  .markdown-preview :global(h1) {
-    font-size: 1.8em;
-  }
+    :global(h1) {
+      font-size: 1.8em;
+    }
 
-  .markdown-preview :global(h2) {
-    font-size: 1.45em;
-  }
+    :global(h2) {
+      font-size: 1.45em;
+    }
 
-  .markdown-preview :global(h3) {
-    font-size: 1.2em;
-  }
+    :global(h3) {
+      font-size: 1.2em;
+    }
 
-  .markdown-preview :global(p),
-  .markdown-preview :global(li) {
-    max-width: 78ch;
-  }
+    :global(p),
+    :global(li) {
+      max-width: 78ch;
+    }
 
-  .markdown-preview :global(li + li) {
-    margin-top: 0.35em;
-  }
+    :global(li + li) {
+      margin-top: 0.35em;
+    }
 
-  .markdown-preview :global(a) {
-    color: var(--gold);
-  }
+    :global(a) {
+      color: var(--gold);
+    }
 
-  .markdown-preview :global(code) {
-    padding: 0.12em 0.3em;
-    color: var(--paper);
-    background: var(--muted);
-    white-space: break-spaces;
-  }
+    :global(code) {
+      padding: 0.12em 0.3em;
+      color: var(--paper);
+      background: var(--muted);
+      white-space: break-spaces;
+    }
 
-  .markdown-preview :global(pre) {
-    max-height: none;
-    margin: 1em 0;
-    padding: 14px;
-    border: 1px solid var(--line);
-  }
+    :global(pre) {
+      max-height: none;
+      margin: 1em 0;
+      padding: 14px;
+      border: 1px solid var(--line);
+    }
 
-  .markdown-preview :global(pre code) {
-    padding: 0;
-    background: transparent;
-  }
+    :global(pre code) {
+      padding: 0;
+      background: transparent;
+    }
 
-  .markdown-preview :global(blockquote) {
-    margin: 1em 0;
-    padding: 0.3em 1em;
-    border-left: 3px solid var(--gold);
-    color: var(--muted);
-  }
+    :global(blockquote) {
+      margin: 1em 0;
+      padding: 0.3em 1em;
+      border-left: 3px solid var(--gold);
+      color: var(--muted);
+    }
 
-  .markdown-preview :global(hr) {
-    border: 0;
-    border-top: 1px solid var(--line);
-  }
+    :global(hr) {
+      border: 0;
+      border-top: 1px solid var(--line);
+    }
 
-  /* Frontmatter: the two-column key/value grid that opens the rendered
-     surface when a `---` block is present. */
-  .markdown-preview :global(.markdown-frontmatter) {
-    display: grid;
-    grid-template-columns: max-content 1fr;
-    gap: 3px 14px;
-    margin: 0 0 24px;
-    padding: 12px;
-    border: 1px solid var(--line);
-    font:
-      11px/1.5 ui-monospace,
-      monospace;
-  }
+    :global(.markdown-frontmatter) {
+      display: grid;
+      grid-template-columns: max-content 1fr;
+      gap: 3px 14px;
+      margin: 0 0 24px;
+      padding: 12px;
+      border: 1px solid var(--line);
+      font:
+        11px/1.5 ui-monospace,
+        monospace;
 
-  .markdown-preview :global(.markdown-frontmatter dt) {
-    color: var(--gold);
-  }
+      dt {
+        color: var(--gold);
+      }
 
-  .markdown-preview :global(.markdown-frontmatter dd) {
-    margin: 0;
-  }
+      dd {
+        margin: 0;
+      }
+    }
 
-  /* Table wrapper: horizontal scroll on narrow viewports. */
-  .markdown-preview :global(.markdown-table-wrap) {
-    max-width: 100%;
-    overflow: auto;
-    margin: 1em 0;
-    border: 1px solid var(--line);
-  }
+    :global(.markdown-table-wrap) {
+      max-width: 100%;
+      overflow: auto;
+      margin: 1em 0;
+      border: 1px solid var(--line);
+    }
 
-  .markdown-preview :global(table) {
-    width: 100%;
-    min-width: 460px;
-    border-collapse: collapse;
-    font-size: var(--step-13);
-  }
+    :global(table) {
+      width: 100%;
+      min-width: 460px;
+      border-collapse: collapse;
+      font-size: var(--step-13);
+    }
 
-  .markdown-preview :global(th),
-  .markdown-preview :global(td) {
-    padding: 9px 11px;
-    border: 1px solid var(--line);
-    text-align: left;
-    vertical-align: top;
-  }
+    :global(th),
+    :global(td) {
+      padding: 9px 11px;
+      border: 1px solid var(--line);
+      text-align: left;
+      vertical-align: top;
+    }
 
-  .markdown-preview :global(th) {
-    color: var(--gold);
-    background: var(--deep);
-  }
+    :global(th) {
+      color: var(--gold);
+      background: var(--deep);
+    }
 
-  /* Table of contents: the "ON THIS PAGE" nav that opens the body when
-     the Markdown has two or more headings. */
-  .markdown-preview :global(.markdown-toc) {
-    margin: 0 0 24px;
-    padding: 12px 14px;
-    border: 1px solid var(--line);
-    background: var(--deep);
-  }
+    :global(.markdown-toc) {
+      margin: 0 0 24px;
+      padding: 12px 14px;
+      border: 1px solid var(--line);
+      background: var(--deep);
 
-  .markdown-preview :global(.markdown-toc > span) {
-    color: var(--gold);
-    font:
-      700 10px ui-monospace,
-      monospace;
-    letter-spacing: 0.1em;
-  }
+      > span {
+        color: var(--gold);
+        font:
+          700 10px ui-monospace,
+          monospace;
+        letter-spacing: 0.1em;
+      }
 
-  .markdown-preview :global(.markdown-toc ol) {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 7px 13px;
-    margin: 9px 0 0;
-    padding: 0;
-    list-style: none;
-  }
+      ol {
+        display: flex;
+        flex-wrap: wrap;
+        gap: 7px 13px;
+        margin: 9px 0 0;
+        padding: 0;
+        list-style: none;
+      }
 
-  .markdown-preview :global(.markdown-toc li.level-2) {
-    margin-left: 10px;
-  }
+      li {
+        &.level-2 {
+          margin-left: 10px;
+        }
 
-  .markdown-preview :global(.markdown-toc li.level-3) {
-    margin-left: 20px;
-  }
+        &.level-3 {
+          margin-left: 20px;
+        }
+      }
 
-  .markdown-preview :global(.markdown-toc a) {
-    font:
-      12px / 1.3 Arial,
-      sans-serif;
-    text-decoration: none;
-  }
+      a {
+        font:
+          12px / 1.3 Arial,
+          sans-serif;
+        text-decoration: none;
 
-  .markdown-preview :global(.markdown-toc a:hover) {
-    text-decoration: underline;
+        &:hover {
+          text-decoration: underline;
+        }
+      }
+    }
   }
 
   @media (max-width: 800px) {
diff --git a/src/components/blocks/ReviewDetail.astro b/src/components/blocks/ReviewDetail.astro
index a6a7042..6f8efa4 100644
--- a/src/components/blocks/ReviewDetail.astro
+++ b/src/components/blocks/ReviewDetail.astro
@@ -105,12 +105,16 @@ const authorHref = `?author=${encodeURIComponent(entry.author)}`;
     background: var(--paper);
   }
 
-  /* Header row: title cluster on the left, version switcher on the right. */
   .detail > header {
     display: flex;
     justify-content: space-between;
     gap: 25px;
     align-items: start;
+
+    p {
+      margin: 0;
+      color: var(--muted);
+    }
   }
 
   .status {
@@ -125,11 +129,6 @@ const authorHref = `?author=${encodeURIComponent(entry.author)}`;
     letter-spacing: -0.06em;
   }
 
-  .detail > header p {
-    margin: 0;
-    color: var(--muted);
-  }
-
   /* author-link and share-link are NEW elements not in legacy stylesheets;
      use the canonical token. */
   .author-link,
@@ -137,9 +136,8 @@ const authorHref = `?author=${encodeURIComponent(entry.author)}`;
     color: var(--ink);
   }
 
-  /* Version switcher: hairline-bordered pill, active cell flips to the
-     ink surface. role="group" carries the cluster meaning to assistive
-     tech; aria-pressed carries the per-button state. */
+  /* role="group" carries the switcher cluster meaning to assistive tech;
+     aria-pressed carries the per-button state. */
   .switch {
     display: flex;
     border: 1px solid var(--ink);
@@ -151,20 +149,19 @@ const authorHref = `?author=${encodeURIComponent(entry.author)}`;
     background: transparent;
     cursor: pointer;
     font: 700 10px monospace;
+
+    &.active,
+    &[aria-pressed='true'] {
+      color: var(--paper);
+      background: var(--ink);
+    }
+
+    &:focus-visible {
+      outline: 3px solid var(--red);
+      outline-offset: 2px;
+    }
   }
 
-  .switch button.active,
-  .switch button[aria-pressed='true'] {
-    color: var(--paper);
-    background: var(--ink);
-  }
-
-  .switch button:focus-visible {
-    outline: 3px solid var(--red);
-    outline-offset: 2px;
-  }
-
-  /* Purpose: the gold callout that names the skill's job in one sentence. */
   .purpose {
     display: grid;
     grid-template-columns: 150px 1fr;
@@ -172,68 +169,66 @@ const authorHref = `?author=${encodeURIComponent(entry.author)}`;
     margin: 45px 0 20px;
     padding: 20px;
     background: var(--gold);
+
+    span {
+      color: var(--red);
+      font: 700 10px monospace;
+      letter-spacing: 0.1em;
+    }
+
+    p {
+      margin: 0;
+      font-size: var(--step-18);
+      line-height: 1.4;
+    }
   }
 
-  .purpose span {
-    color: var(--red);
-    font: 700 10px monospace;
-    letter-spacing: 0.1em;
-  }
-
-  .purpose p {
-    margin: 0;
-    font-size: var(--step-18);
-    line-height: 1.4;
-  }
-
-  /* Review grid: two columns of bullets on a hairline "fake border" grid.
-     Each column carries a red eyebrow naming what the list is. */
+  /* Hairline "fake border" grid: the 1px gaps show the --line background. */
   .review-grid {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 1px;
     background: var(--line);
+
+    section {
+      padding: 22px;
+      background: var(--paper);
+    }
+
+    span {
+      color: var(--red);
+      font: 700 10px monospace;
+      letter-spacing: 0.1em;
+    }
+
+    ul {
+      margin: 14px 0 0;
+      padding-left: 20px;
+    }
+
+    li + li {
+      margin-top: 9px;
+    }
   }
 
-  .review-grid section {
-    padding: 22px;
-    background: var(--paper);
-  }
-
-  .review-grid span {
-    color: var(--red);
-    font: 700 10px monospace;
-    letter-spacing: 0.1em;
-  }
-
-  .review-grid ul {
-    margin: 14px 0 0;
-    padding-left: 20px;
-  }
-
-  .review-grid li + li {
-    margin-top: 9px;
-  }
-
-  /* Extras: the "good next addition" hint. */
   .extras {
     margin: 1px 0 25px;
     padding: 18px 22px;
     color: var(--ink);
     background: var(--paper);
     border-left: 4px solid var(--blue);
-  }
 
-  .extras span {
-    display: block;
-    margin-bottom: 8px;
-    color: var(--blue);
-    font: 700 10px monospace;
-    letter-spacing: 0.1em;
-  }
+    span {
+      display: block;
+      margin-bottom: 8px;
+      color: var(--blue);
+      font: 700 10px monospace;
+      letter-spacing: 0.1em;
+    }
 
-  .extras p {
-    margin: 0;
+    p {
+      margin: 0;
+    }
   }
 
   @media (max-width: 800px) {