diff --git a/samples/hp48/index.html b/samples/hp48/index.html
index a7dec97..2c0f60d 100644
--- a/samples/hp48/index.html
+++ b/samples/hp48/index.html
@@ -41,24 +41,6 @@
       box-shadow: 0 18px 48px rgba(0, 0, 0, 0.25);
     }
 
-    .brand {
-      color: #fafafa;
-      display: flex;
-      justify-content: space-between;
-      align-items: baseline;
-      margin-bottom: 12px;
-      gap: 12px;
-    }
-
-    .brand h1 {
-      margin: 0;
-      font-size: 18px;
-      letter-spacing: 0.06em;
-    }
-
-    .brand small {
-      color: #c9c9c9;
-    }
 
     .screen {
       background: linear-gradient(180deg, #dbe8b8, var(--screen));
@@ -236,21 +218,6 @@
     button:hover { filter: brightness(1.08); }
     button:active { transform: translateY(1px); }
 
-    .status {
-      margin-top: 12px;
-      display: flex;
-      flex-wrap: wrap;
-      gap: 10px;
-      color: #ececec;
-      font-size: 13px;
-    }
-
-    .pill {
-      border: 1px solid rgba(255, 255, 255, 0.15);
-      border-radius: 999px;
-      padding: 5px 10px;
-      background: rgba(255, 255, 255, 0.05);
-    }
 
     .constants-menu {
       position: absolute;
@@ -284,12 +251,6 @@
       font-size: 13px;
     }
 
-    .hint {
-      color: #ddd;
-      margin-top: 10px;
-      font-size: 13px;
-      line-height: 1.5;
-    }
 
     @media (max-width: 820px) {
       .wrap {
@@ -321,11 +282,6 @@
         border-radius: 16px;
       }
 
-      .brand {
-        flex-direction: column;
-        align-items: flex-start;
-      }
-
       .keypad-labels,
       .keypad-wrap {
         grid-template-columns: 1fr;
@@ -346,11 +302,6 @@
 <body>
   <div class="wrap">
     <div class="calc">
-      <div class="brand">
-        <h1>HP48-style RPN</h1>
-        <small>powered by src/rpn-calculator.js</small>
-      </div>
-
       <div class="screen" id="screen" tabindex="0" role="application" aria-label="HP48 style calculator screen">
         <div class="screen-top">
           <div>RPN stack</div>
@@ -363,7 +314,6 @@
       <input id="input" class="hidden-input" type="text" autocomplete="off" aria-hidden="true" tabindex="-1">
 
       <div class="input-row">
-        <div class="hint">Keyboard works globally: digits, numpad, Enter, Backspace, Delete, Esc, ↑, ↓, →, +, -, *, /, %, ^, q, n, r, i, g, l, s, c, S, C, x, y, z, t</div>
         <select id="angleMode">
           <option value="deg">Degrees</option>
           <option value="rad">Radians</option>
@@ -371,11 +321,6 @@
         </select>
       </div>
 
-      <div class="status">
-        <div class="pill">inputValue: <span id="inputValueLabel"></span></div>
-        <div class="pill">isEditing: <span id="editingLabel"></span></div>
-      </div>
-
       <div class="panel" id="keypadPanel">
         <div class="title">Calculator Keys</div>
         <div class="keypad-labels" aria-hidden="true">
@@ -395,7 +340,6 @@
       </div>
 
       <div id="error" class="error"></div>
-      <div class="hint">Use Enter to commit the current value. Buttons call <code>command(...)</code> directly, like a real RPN demo.</div>
     </div>
   </div>
 
@@ -408,8 +352,6 @@
 
     const displayEl = document.getElementById('display');
     const errorEl = document.getElementById('error');
-    const inputValueLabel = document.getElementById('inputValueLabel');
-    const editingLabel = document.getElementById('editingLabel');
     const modeLabel = document.getElementById('modeLabel');
     const angleMode = document.getElementById('angleMode');
     const functionsKeypadEl = document.getElementById('functionsKeypad');
@@ -783,8 +725,6 @@
       } else {
         displayEl.textContent = 'READY';
       }
-      inputValueLabel.textContent = calc.inputValue || '∅';
-      editingLabel.textContent = String(calc.isEditing);
       modeLabel.textContent = calc.angleMode;
       angleMode.value = calc.angleMode;
       errorEl.textContent = '';
