diff --git a/docs/assets/panel-redesign/panel/check.py b/docs/assets/panel-redesign/panel/check.py
index 9474f16..4a693de 100644
--- a/docs/assets/panel-redesign/panel/check.py
+++ b/docs/assets/panel-redesign/panel/check.py
@@ -37,7 +37,7 @@ SIGNED_OUT = {"sp-signin", "sp-signin-brand", "sp-signin-form", "sp-foot"}
 # Selectors allowed to set a width. Everything else gets its width from the
 # layout it sits in — that is the whole point of the redesign.
 WIDTH_OK = (".navbar-brand img", ".sp-head .sp-lead", ".sp-head .sp-grow", ".sp-postmark", ".table td.sp-clip",
-            ".sp-h-icon", ".sp-signin", ".sp-timeline li::before", ".sp-perf")
+            ".sp-h-icon", ".sp-signin", ".sp-timeline li::before", ".sp-perf", ".sp-sheet")
 
 
 class Node:
diff --git a/docs/assets/panel-redesign/panel/components.html b/docs/assets/panel-redesign/panel/components.html
index 702e20e..7bb1c87 100644
--- a/docs/assets/panel-redesign/panel/components.html
+++ b/docs/assets/panel-redesign/panel/components.html
@@ -114,6 +114,7 @@
               <tr><td>error, fail, mismatch, bounced</td><td><span class="tag is-danger is-light">fail</span></td><td class="sp-mono sp-small">tag is-danger is-light</td></tr>
               <tr><td>unknown, off, neutral counts</td><td><span class="tag is-light">off</span></td><td class="sp-mono sp-small">tag is-light</td></tr>
               <tr><td>held: quarantine · role: global</td><td><span class="tag is-primary is-light">quarantine</span></td><td class="sp-mono sp-small">tag is-primary is-light</td></tr>
+              <tr><td>a tag that opens a <code>sheet</code></td><td><button type="button" class="tag is-danger is-light" popovertarget="kit-sheet">reject</button><div class="sp-sheet" id="kit-sheet" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-danger is-light">reject</span><h2>sheet</h2><button type="button" popovertarget="kit-sheet" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><dl class="sp-facts"><div><dt>What it holds</dt><dd>What does not fit the row, as <code>facts</code></dd></div><div><dt>How it closes</dt><dd>Esc, a click outside, or the cross</dd></div></dl></div></div></div></td><td class="sp-mono sp-small">button.tag + sp-sheet (popover)</td></tr>
             </tbody>
           </table></div>
         </div>
diff --git a/docs/assets/panel-redesign/panel/in-log.html b/docs/assets/panel-redesign/panel/in-log.html
index 2e1ac02..49aabef 100644
--- a/docs/assets/panel-redesign/panel/in-log.html
+++ b/docs/assets/panel-redesign/panel/in-log.html
@@ -86,17 +86,17 @@
         <a class="sp-help" href="help.html#inbound-log" title="What the decisions mean"><i class="ti ti-help-circle"></i></a>
       </div>
       <div class="table-container"><table class="table is-fullwidth is-hoverable">
-        <thead><tr><th>Time, UTC</th><th>From</th><th>To</th><th>Subject</th><th>Decision</th><th>Why</th><th></th></tr></thead>
+        <thead><tr><th>Time, UTC</th><th>From</th><th>To</th><th>Subject</th><th>Decision</th><th></th></tr></thead>
         <tbody>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 14:00:18</td><td>t.berg@<wbr>uni.example<br><span class="sp-mono sp-muted sp-small">192.0.2.77</span></td><td>dev@<wbr>lists.example.org</td><td class="sp-clip">Re: [dev] patch series v3</td><td><span class="tag is-success is-light">accept</span></td><td class="sp-muted sp-small">rspamd · no action, score 0.40 / 15.00</td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:59:02</td><td>invoice@<wbr>partner-billing.example<br><span class="sp-mono sp-muted sp-small">203.0.113.140</span></td><td>owner@<wbr>lists.example.org</td><td class="sp-clip">Outstanding invoice — action required</td><td><span class="tag is-success is-light">accept</span></td><td class="sp-muted sp-small">rspamd · add header, score 9.80 / 15.00; PHISHING(5.00) FORGED_SENDER(3.00) R_SPF_FAIL(1.00)</td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:57:41</td><td>promo@<wbr>bulk.example<br><span class="sp-mono sp-muted sp-small">198.51.100.90</span></td><td>sales@<wbr>lists.example.org</td><td class="sp-clip sp-muted">—</td><td><span class="tag is-danger is-light">reject</span></td><td class="sp-muted sp-small">postfix · 550 5.1.1 &lt;sales@lists.example.org&gt;: Recipient address rejected: User unknown in relay recipient table</td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:51:30</td><td>billing@<wbr>partner.example<br><span class="sp-mono sp-muted sp-small">198.51.100.12</span></td><td>owner@<wbr>lists.example.org</td><td class="sp-clip sp-muted">—</td><td><span class="tag is-danger is-light">reject</span></td><td class="sp-muted sp-small">rspamd · 5.7.1 Spam message rejected</td><td class="sp-actions"><a href="in-filter-lists.html">Allow sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:44:02</td><td>hr@<wbr>partner.example<br><span class="sp-mono sp-muted sp-small">192.0.2.31</span></td><td>jobs@<wbr>acme.io</td><td class="sp-clip sp-muted">—</td><td><span class="tag is-warning is-light">tempfail</span></td><td class="sp-muted sp-small">rspamd · 4.7.1 Try again later</td><td class="sp-actions"><a href="in-filter-lists.html">Allow sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:30:55</td><td>noreply@<wbr>github.example<br><span class="sp-mono sp-muted sp-small">192.0.2.200</span></td><td>security@<wbr>lists.example.org</td><td class="sp-clip">[advisory] new report</td><td><span class="tag is-success is-light">accept</span></td><td class="sp-muted sp-small">rspamd · no action, score -98.10 / 15.00; SELFPOST_ALLOW_FROM(-100.00) R_DKIM_ALLOW(-0.20)</td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 14:00:18</td><td>t.berg@<wbr>uni.example<br><span class="sp-mono sp-muted sp-small">192.0.2.77</span></td><td>dev@<wbr>lists.example.org</td><td class="sp-clip">Re: [dev] patch series v3</td><td><button type="button" class="tag is-success is-light" popovertarget="why-1">accept</button><div class="sp-sheet" id="why-1" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-success is-light">accept</span><h2>Why</h2><button type="button" popovertarget="why-1" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Verdict</th><td>no action, score 0.40 / 15.00</td></tr><tr><th>Subject</th><td>Re: [dev] patch series v3</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:59:02</td><td>invoice@<wbr>partner-billing.example<br><span class="sp-mono sp-muted sp-small">203.0.113.140</span></td><td>owner@<wbr>lists.example.org</td><td class="sp-clip">Outstanding invoice — action required</td><td><button type="button" class="tag is-success is-light" popovertarget="why-2">accept</button><div class="sp-sheet" id="why-2" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-success is-light">accept</span><h2>Why</h2><button type="button" popovertarget="why-2" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Verdict</th><td>add header, score 9.80 / 15.00</td></tr><tr><th>Symbols</th><td class="sp-mono sp-small">PHISHING(5.00)<br>FORGED_SENDER(3.00)<br>R_SPF_FAIL(1.00)</td></tr><tr><th>Subject</th><td>Outstanding invoice — action required</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:57:41</td><td>promo@<wbr>bulk.example<br><span class="sp-mono sp-muted sp-small">198.51.100.90</span></td><td>sales@<wbr>lists.example.org</td><td class="sp-clip sp-muted">—</td><td><button type="button" class="tag is-danger is-light" popovertarget="why-3">reject</button><div class="sp-sheet" id="why-3" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-danger is-light">reject</span><h2>Why</h2><button type="button" popovertarget="why-3" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>postfix</td></tr><tr><th>Reply</th><td class="sp-mono sp-small">550 5.1.1 &lt;sales@lists.example.org&gt;: Recipient address rejected: User unknown in relay recipient table</td></tr><tr><th>Subject</th><td>—</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:51:30</td><td>billing@<wbr>partner.example<br><span class="sp-mono sp-muted sp-small">198.51.100.12</span></td><td>owner@<wbr>lists.example.org</td><td class="sp-clip sp-muted">—</td><td><button type="button" class="tag is-danger is-light" popovertarget="why-4">reject</button><div class="sp-sheet" id="why-4" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-danger is-light">reject</span><h2>Why</h2><button type="button" popovertarget="why-4" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Reply</th><td class="sp-mono sp-small">5.7.1 Spam message rejected</td></tr><tr><th>Subject</th><td>—</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Allow sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:44:02</td><td>hr@<wbr>partner.example<br><span class="sp-mono sp-muted sp-small">192.0.2.31</span></td><td>jobs@<wbr>acme.io</td><td class="sp-clip sp-muted">—</td><td><button type="button" class="tag is-warning is-light" popovertarget="why-5">tempfail</button><div class="sp-sheet" id="why-5" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-warning is-light">tempfail</span><h2>Why</h2><button type="button" popovertarget="why-5" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Reply</th><td class="sp-mono sp-small">4.7.1 Try again later</td></tr><tr><th>Subject</th><td>—</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Allow sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:30:55</td><td>noreply@<wbr>github.example<br><span class="sp-mono sp-muted sp-small">192.0.2.200</span></td><td>security@<wbr>lists.example.org</td><td class="sp-clip">[advisory] new report</td><td><button type="button" class="tag is-success is-light" popovertarget="why-6">accept</button><div class="sp-sheet" id="why-6" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-success is-light">accept</span><h2>Why</h2><button type="button" popovertarget="why-6" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Verdict</th><td>no action, score -98.10 / 15.00</td></tr><tr><th>Symbols</th><td class="sp-mono sp-small">SELFPOST_ALLOW_FROM(-100.00)<br>R_DKIM_ALLOW(-0.20)</td></tr><tr><th>Subject</th><td>[advisory] new report</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
         </tbody>
       </table></div>
-      <div class="sp-box-foot"><span>Page 1 of 38</span><a href="#">Older →</a><span class="sp-end">Allow / Deny sender opens <a href="in-filter-lists.html">Filter lists</a> with the entry filled in</span></div>
+      <div class="sp-box-foot"><span>Page 1 of 38</span><a href="#">Older →</a><span class="sp-end">A decision opens its reason · Allow / Deny sender opens <a href="in-filter-lists.html">Filter lists</a> with the entry filled in</span></div>
     </div>
 
     <footer class="sp-foot">SelfPost 1.8.0 · © 2026 Mix · <a href="#">License (AGPL-3.0)</a> · <a href="#">Source</a> · No warranty</footer>
diff --git a/docs/assets/panel-redesign/panel/src/components.html b/docs/assets/panel-redesign/panel/src/components.html
index 20c5f4a..45d0ea4 100644
--- a/docs/assets/panel-redesign/panel/src/components.html
+++ b/docs/assets/panel-redesign/panel/src/components.html
@@ -48,6 +48,7 @@
               <tr><td>error, fail, mismatch, bounced</td><td><span class="tag is-danger is-light">fail</span></td><td class="sp-mono sp-small">tag is-danger is-light</td></tr>
               <tr><td>unknown, off, neutral counts</td><td><span class="tag is-light">off</span></td><td class="sp-mono sp-small">tag is-light</td></tr>
               <tr><td>held: quarantine · role: global</td><td><span class="tag is-primary is-light">quarantine</span></td><td class="sp-mono sp-small">tag is-primary is-light</td></tr>
+              <tr><td>a tag that opens a <code>sheet</code></td><td><button type="button" class="tag is-danger is-light" popovertarget="kit-sheet">reject</button><div class="sp-sheet" id="kit-sheet" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-danger is-light">reject</span><h2>sheet</h2><button type="button" popovertarget="kit-sheet" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><dl class="sp-facts"><div><dt>What it holds</dt><dd>What does not fit the row, as <code>facts</code></dd></div><div><dt>How it closes</dt><dd>Esc, a click outside, or the cross</dd></div></dl></div></div></div></td><td class="sp-mono sp-small">button.tag + sp-sheet (popover)</td></tr>
             </tbody>
           </table></div>
         </div>
diff --git a/docs/assets/panel-redesign/panel/src/in-log.html b/docs/assets/panel-redesign/panel/src/in-log.html
index b2df05b..da1879c 100644
--- a/docs/assets/panel-redesign/panel/src/in-log.html
+++ b/docs/assets/panel-redesign/panel/src/in-log.html
@@ -20,15 +20,15 @@
         <a class="sp-help" href="help.html#inbound-log" title="What the decisions mean"><i class="ti ti-help-circle"></i></a>
       </div>
       <div class="table-container"><table class="table is-fullwidth is-hoverable">
-        <thead><tr><th>Time, UTC</th><th>From</th><th>To</th><th>Subject</th><th>Decision</th><th>Why</th><th></th></tr></thead>
+        <thead><tr><th>Time, UTC</th><th>From</th><th>To</th><th>Subject</th><th>Decision</th><th></th></tr></thead>
         <tbody>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 14:00:18</td><td>t.berg@<wbr>uni.example<br><span class="sp-mono sp-muted sp-small">192.0.2.77</span></td><td>dev@<wbr>lists.example.org</td><td class="sp-clip">Re: [dev] patch series v3</td><td><span class="tag is-success is-light">accept</span></td><td class="sp-muted sp-small">rspamd · no action, score 0.40 / 15.00</td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:59:02</td><td>invoice@<wbr>partner-billing.example<br><span class="sp-mono sp-muted sp-small">203.0.113.140</span></td><td>owner@<wbr>lists.example.org</td><td class="sp-clip">Outstanding invoice — action required</td><td><span class="tag is-success is-light">accept</span></td><td class="sp-muted sp-small">rspamd · add header, score 9.80 / 15.00; PHISHING(5.00) FORGED_SENDER(3.00) R_SPF_FAIL(1.00)</td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:57:41</td><td>promo@<wbr>bulk.example<br><span class="sp-mono sp-muted sp-small">198.51.100.90</span></td><td>sales@<wbr>lists.example.org</td><td class="sp-clip sp-muted">—</td><td><span class="tag is-danger is-light">reject</span></td><td class="sp-muted sp-small">postfix · 550 5.1.1 &lt;sales@lists.example.org&gt;: Recipient address rejected: User unknown in relay recipient table</td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:51:30</td><td>billing@<wbr>partner.example<br><span class="sp-mono sp-muted sp-small">198.51.100.12</span></td><td>owner@<wbr>lists.example.org</td><td class="sp-clip sp-muted">—</td><td><span class="tag is-danger is-light">reject</span></td><td class="sp-muted sp-small">rspamd · 5.7.1 Spam message rejected</td><td class="sp-actions"><a href="in-filter-lists.html">Allow sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:44:02</td><td>hr@<wbr>partner.example<br><span class="sp-mono sp-muted sp-small">192.0.2.31</span></td><td>jobs@<wbr>acme.io</td><td class="sp-clip sp-muted">—</td><td><span class="tag is-warning is-light">tempfail</span></td><td class="sp-muted sp-small">rspamd · 4.7.1 Try again later</td><td class="sp-actions"><a href="in-filter-lists.html">Allow sender</a></td></tr>
-          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:30:55</td><td>noreply@<wbr>github.example<br><span class="sp-mono sp-muted sp-small">192.0.2.200</span></td><td>security@<wbr>lists.example.org</td><td class="sp-clip">[advisory] new report</td><td><span class="tag is-success is-light">accept</span></td><td class="sp-muted sp-small">rspamd · no action, score -98.10 / 15.00; SELFPOST_ALLOW_FROM(-100.00) R_DKIM_ALLOW(-0.20)</td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 14:00:18</td><td>t.berg@<wbr>uni.example<br><span class="sp-mono sp-muted sp-small">192.0.2.77</span></td><td>dev@<wbr>lists.example.org</td><td class="sp-clip">Re: [dev] patch series v3</td><td><button type="button" class="tag is-success is-light" popovertarget="why-1">accept</button><div class="sp-sheet" id="why-1" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-success is-light">accept</span><h2>Why</h2><button type="button" popovertarget="why-1" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Verdict</th><td>no action, score 0.40 / 15.00</td></tr><tr><th>Subject</th><td>Re: [dev] patch series v3</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:59:02</td><td>invoice@<wbr>partner-billing.example<br><span class="sp-mono sp-muted sp-small">203.0.113.140</span></td><td>owner@<wbr>lists.example.org</td><td class="sp-clip">Outstanding invoice — action required</td><td><button type="button" class="tag is-success is-light" popovertarget="why-2">accept</button><div class="sp-sheet" id="why-2" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-success is-light">accept</span><h2>Why</h2><button type="button" popovertarget="why-2" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Verdict</th><td>add header, score 9.80 / 15.00</td></tr><tr><th>Symbols</th><td class="sp-mono sp-small">PHISHING(5.00)<br>FORGED_SENDER(3.00)<br>R_SPF_FAIL(1.00)</td></tr><tr><th>Subject</th><td>Outstanding invoice — action required</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:57:41</td><td>promo@<wbr>bulk.example<br><span class="sp-mono sp-muted sp-small">198.51.100.90</span></td><td>sales@<wbr>lists.example.org</td><td class="sp-clip sp-muted">—</td><td><button type="button" class="tag is-danger is-light" popovertarget="why-3">reject</button><div class="sp-sheet" id="why-3" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-danger is-light">reject</span><h2>Why</h2><button type="button" popovertarget="why-3" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>postfix</td></tr><tr><th>Reply</th><td class="sp-mono sp-small">550 5.1.1 &lt;sales@lists.example.org&gt;: Recipient address rejected: User unknown in relay recipient table</td></tr><tr><th>Subject</th><td>—</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:51:30</td><td>billing@<wbr>partner.example<br><span class="sp-mono sp-muted sp-small">198.51.100.12</span></td><td>owner@<wbr>lists.example.org</td><td class="sp-clip sp-muted">—</td><td><button type="button" class="tag is-danger is-light" popovertarget="why-4">reject</button><div class="sp-sheet" id="why-4" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-danger is-light">reject</span><h2>Why</h2><button type="button" popovertarget="why-4" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Reply</th><td class="sp-mono sp-small">5.7.1 Spam message rejected</td></tr><tr><th>Subject</th><td>—</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Allow sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:44:02</td><td>hr@<wbr>partner.example<br><span class="sp-mono sp-muted sp-small">192.0.2.31</span></td><td>jobs@<wbr>acme.io</td><td class="sp-clip sp-muted">—</td><td><button type="button" class="tag is-warning is-light" popovertarget="why-5">tempfail</button><div class="sp-sheet" id="why-5" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-warning is-light">tempfail</span><h2>Why</h2><button type="button" popovertarget="why-5" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Reply</th><td class="sp-mono sp-small">4.7.1 Try again later</td></tr><tr><th>Subject</th><td>—</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Allow sender</a></td></tr>
+          <tr><td class="sp-mono sp-muted sp-nowrap sp-small">09-21 13:30:55</td><td>noreply@<wbr>github.example<br><span class="sp-mono sp-muted sp-small">192.0.2.200</span></td><td>security@<wbr>lists.example.org</td><td class="sp-clip">[advisory] new report</td><td><button type="button" class="tag is-success is-light" popovertarget="why-6">accept</button><div class="sp-sheet" id="why-6" popover><div class="sp-sheet-in"><div class="sp-sheet-head"><span class="tag is-success is-light">accept</span><h2>Why</h2><button type="button" popovertarget="why-6" popovertargetaction="hide" aria-label="Close"><i class="ti ti-x"></i></button></div><div class="sp-sheet-body"><div class="table-container"><table class="table is-fullwidth"><tbody><tr><th>Decided by</th><td>rspamd</td></tr><tr><th>Verdict</th><td>no action, score -98.10 / 15.00</td></tr><tr><th>Symbols</th><td class="sp-mono sp-small">SELFPOST_ALLOW_FROM(-100.00)<br>R_DKIM_ALLOW(-0.20)</td></tr><tr><th>Subject</th><td>[advisory] new report</td></tr></tbody></table></div></div></div></div></td><td class="sp-actions"><a href="in-filter-lists.html">Deny sender</a></td></tr>
         </tbody>
       </table></div>
-      <div class="sp-box-foot"><span>Page 1 of 38</span><a href="#">Older →</a><span class="sp-end">Allow / Deny sender opens <a href="in-filter-lists.html">Filter lists</a> with the entry filled in</span></div>
+      <div class="sp-box-foot"><span>Page 1 of 38</span><a href="#">Older →</a><span class="sp-end">A decision opens its reason · Allow / Deny sender opens <a href="in-filter-lists.html">Filter lists</a> with the entry filled in</span></div>
     </div>
diff --git a/docs/assets/panel-redesign/panel/theme.css b/docs/assets/panel-redesign/panel/theme.css
index 7fd471d..71bb96a 100644
--- a/docs/assets/panel-redesign/panel/theme.css
+++ b/docs/assets/panel-redesign/panel/theme.css
@@ -270,3 +270,27 @@ code { background: var(--sp-well); color: var(--sp-ink); border-radius: 3px; pad
   .sp-record-head small { margin-left: 0; text-align: left; flex-basis: 100%; }
   .sp-postmark { display: none; }
 }
+
+/* sheet: what does not fit a table row, opened over the page from the row's
+   tag. It is the browser's own popover (the tag is a button with
+   popovertarget), so it needs no script: Esc, a click outside and the close
+   button all shut it, and focus returns to the tag. It rises from the bottom
+   edge across the whole window - the one component that is not laid out by the
+   page, hence the widths - with its content, a table of name and value, in a
+   column of reading width in the middle. */
+.sp-sheet {
+  inset: auto 0 0 0; width: auto; margin: 0; padding: 0; border: 0; border-top: 3px solid var(--sp-brick);
+  max-height: 75vh; overflow: auto; background: #fff; color: inherit; box-shadow: 0 -12px 40px rgba(40, 20, 15, .22);
+}
+.sp-sheet-in { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
+.sp-sheet::backdrop { background: rgba(40, 20, 15, .38); }
+.sp-sheet-head { display: flex; align-items: center; gap: .7rem; padding: 1rem 0 .8rem; border-bottom: 1px solid var(--sp-rule); }
+.sp-sheet-head h2 { font-size: 1.15rem; font-weight: 600; margin-right: auto; }
+.sp-sheet-head button { border: 0; background: none; cursor: pointer; font-size: 1.3rem; color: var(--sp-muted); }
+.sp-sheet-body { padding: .4rem 0 1.4rem; }
+/* The sheet's content is a table of name and value: the name is a label, set like the dt of facts. */
+.sp-sheet .table th { font-family: var(--sp-mono); font-size: var(--sp-fs-xs); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--sp-muted); white-space: nowrap; vertical-align: top; width: 1%; padding-right: 2rem; }
+.sp-sheet .table td { overflow-wrap: anywhere; }
+/* A tag that opens a sheet is a button: it keeps the tag's look and says it can
+   be pressed with the dotted underline links to more detail carry. */
+button.tag { border: 0; cursor: pointer; text-decoration: underline dotted; text-underline-offset: 3px; }