Constrain card reader modal layout

src/App.vue

@@ -3546,6 +3546,11 @@ watch(mobileMenuOpen, (open) => {
 
           <p v-if="cardReaderError" class="validation-message text-sm text-red-200">{{ cardReaderError }}</p>
         </div>
+
+        <div class="card-reader-footer">
+          <button class="secondary-action compact-action" type="button" @click="pollCardReader">Refresh</button>
+          <button class="primary-action compact-action" type="button" @click="closeCardReader">Close</button>
+        </div>
       </div>
     </div>
 

src/style.css

@@ -3199,13 +3199,28 @@ body.menu-open {
 }
 
 .card-reader-modal {
+  display: flex;
+  flex-direction: column;
   width: min(100%, 42rem);
+  max-height: min(44rem, calc(100svh - 2rem));
 }
 
 .card-reader-body {
   display: grid;
   gap: 1rem;
+  overflow-y: auto;
   padding: 1.25rem;
+  scrollbar-gutter: stable;
+}
+
+.card-reader-modal .modal-header {
+  flex: 0 0 auto;
+}
+
+.card-reader-modal .modal-header h2 {
+  margin: 0.15rem 0 0;
+  font-size: clamp(1.35rem, 4vw, 2rem);
+  line-height: 1;
 }
 
 .card-reader-status {
@@ -3321,8 +3336,11 @@ body.menu-open {
   display: grid;
   gap: 0;
   overflow: hidden;
+  max-height: 18rem;
+  overflow-y: auto;
   border: 1px solid rgba(255, 255, 255, 0.1);
   border-radius: 8px;
+  scrollbar-gutter: stable;
 }
 
 .card-reader-log-row {
@@ -3362,6 +3380,16 @@ body.menu-open {
   white-space: nowrap;
 }
 
+.card-reader-footer {
+  display: flex;
+  flex: 0 0 auto;
+  justify-content: flex-end;
+  gap: 0.75rem;
+  border-top: 1px solid rgba(255, 255, 255, 0.1);
+  padding: 0.9rem 1.25rem;
+  background: rgba(8, 8, 8, 0.98);
+}
+
 @keyframes liveDot {
   0% { box-shadow: 0 0 0 0 rgba(242, 169, 0, 0.45); }
   70% { box-shadow: 0 0 0 0.55rem rgba(242, 169, 0, 0); }
@@ -3810,6 +3838,18 @@ body.menu-open {
     grid-template-columns: 1fr;
   }
 
+  .card-reader-modal {
+    max-height: calc(100svh - 1rem);
+  }
+
+  .card-reader-body {
+    padding: 0.85rem;
+  }
+
+  .card-reader-log-list {
+    max-height: 13rem;
+  }
+
   .card-reader-log-row small {
     white-space: normal;
   }