fix(form): add status regions, live total, and a11y CSS

Dual alert/status slots for form and admin, aria-live on the sticky
total, success heading focus target, More/Less affordance styles, and
44px coarse-pointer chip padding.

src/server/templates/form.css

@@ -152,6 +152,28 @@ header p { font-size: 0.85rem; opacity: 0.8; }
   overflow: hidden;
 }
 
+.meal-desc.is-expanded {
+  display: block;
+  -webkit-line-clamp: unset;
+  overflow: visible;
+}
+
+.meal-desc-toggle {
+  display: inline-block;
+  margin: 0 0 4px;
+  padding: 0;
+  border: none;
+  background: none;
+  color: var(--color-brand);
+  font-size: 0.8rem;
+  font-weight: 600;
+  font-family: inherit;
+  cursor: pointer;
+  text-decoration: underline;
+}
+
+.meal-desc-toggle:hover { opacity: 0.85; }
+
 .qty-control {
   display: flex;
   align-items: center;
@@ -367,6 +389,42 @@ header p { font-size: 0.85rem; opacity: 0.8; }
   .qty-control .qty { width: 44px; height: 44px; }
   .edit-qty button { width: 44px; height: 44px; }
   .edit-qty span { width: 44px; height: 44px; line-height: 44px; }
+  .btn-chip { min-height: 44px; padding: 10px 16px; }
+}
+
+.form-status {
+  max-width: 1400px;
+  margin: 0 auto 8px;
+}
+
+.sticky-footer .form-status {
+  margin-bottom: 8px;
+}
+
+.admin-panel > .form-status {
+  margin: 0 0 12px;
+}
+
+.form-status-msg:empty { display: none; }
+
+.form-status-msg {
+  padding: 8px 12px;
+  border-radius: var(--radius-control);
+  font-size: 0.85rem;
+  font-weight: 500;
+  text-align: center;
+}
+
+.form-status-error {
+  background: #fef2f2;
+  color: #991b1b;
+  border: 1px solid #fecaca;
+}
+
+.form-status-info {
+  background: #eff6ff;
+  color: #1d4ed8;
+  border: 1px solid #bfdbfe;
 }
 
 .discount-banner {

src/server/templates/form.html.j2

@@ -85,7 +85,7 @@
       </div>
       <div class="qty-control">
         <button type="button" data-qty-delta="-1" aria-label="Decrease">&minus;</button>
-        <input class="qty" type="number" min="0" step="1" value="0">
+        <input class="qty" type="number" min="0" step="1" value="0" aria-label="Quantity">
         <button type="button" data-qty-delta="1" aria-label="Increase">+</button>
       </div>
     </div>
@@ -94,8 +94,12 @@
   <div id="meals-list"></div>
 
   <div class="sticky-footer{% if config.authMode == 'google' %} is-hidden{% endif %}" id="sticky-footer">
+    <div class="form-status" id="form-status">
+      <div id="form-status-alert" class="form-status-msg form-status-error" role="alert"></div>
+      <div id="form-status-info" class="form-status-msg form-status-info" role="status"></div>
+    </div>
     <div class="inner">
-      <div>
+      <div aria-live="polite">
         <span class="total" id="total-display">$0.00</span>
         <span class="count-display" id="count-display">0 meals</span>
       </div>
@@ -114,6 +118,10 @@
           <button type="button" class="btn btn-outline back-btn" data-admin-action="hide-admin">Back to Menu</button>
         </div>
       </div>
+      <div class="form-status" id="admin-status">
+        <div id="admin-status-alert" class="form-status-msg form-status-error" role="alert"></div>
+        <div id="admin-status-info" class="form-status-msg form-status-info" role="status"></div>
+      </div>
       <div id="admin-stats" class="admin-stats"></div>
       <div class="admin-table-wrap">
         <table class="admin-table">
@@ -134,7 +142,7 @@
   </div>
 
   <div id="success" class="success-msg is-hidden">
-    <h2>Order submitted!</h2>
+    <h2 id="success-heading" tabindex="-1">Order submitted!</h2>
     <p id="success-detail"></p>
     <button type="button" id="success-back-btn" class="btn btn-outline back-btn">Back to Menu</button>
   </div>