Improve responsive media controls

public/app.js

@@ -322,7 +322,8 @@ function setTrackEnabled(kind, enabled) {
 
 function updateToggleButton(button, enabled, enabledLabel, disabledLabel) {
   button.setAttribute("aria-pressed", String(enabled));
-  button.textContent = enabled ? enabledLabel : disabledLabel;
+  button.setAttribute("aria-label", enabled ? enabledLabel : disabledLabel);
+  button.title = enabled ? enabledLabel : disabledLabel;
 }
 
 nameForm.addEventListener("submit", (event) => {
@@ -346,13 +347,13 @@ nameInput.addEventListener("change", () => {
 
 cameraButton.addEventListener("click", () => {
   const enabled = cameraButton.getAttribute("aria-pressed") !== "true";
-  updateToggleButton(cameraButton, enabled, "📷 Camera on", "🚫 Camera off");
+  updateToggleButton(cameraButton, enabled, "Turn camera off", "Turn camera on");
   setTrackEnabled("video", enabled);
 });
 
 micButton.addEventListener("click", () => {
   const enabled = micButton.getAttribute("aria-pressed") !== "true";
-  updateToggleButton(micButton, enabled, "🎙️ Mic on", "🔇 Mic muted");
+  updateToggleButton(micButton, enabled, "Mute microphone", "Unmute microphone");
   setTrackEnabled("audio", enabled);
 });
 

public/index.html

@@ -29,14 +29,32 @@
         <div class="control-panel">
           <div class="device-controls" aria-label="Media devices">
             <div class="device-row">
-              <button id="camera-button" type="button" aria-pressed="true">📷 Camera on</button>
+              <button
+                id="camera-button"
+                type="button"
+                class="symbol-button"
+                aria-label="Turn camera off"
+                aria-pressed="true"
+                title="Turn camera off"
+              >
+                📷
+              </button>
               <label>
                 <span>Camera</span>
                 <select id="camera-select"></select>
               </label>
             </div>
             <div class="device-row">
-              <button id="mic-button" type="button" aria-pressed="true">🎙️ Mic on</button>
+              <button
+                id="mic-button"
+                type="button"
+                class="symbol-button"
+                aria-label="Mute microphone"
+                aria-pressed="true"
+                title="Mute microphone"
+              >
+                🎙️
+              </button>
               <label>
                 <span>Microphone</span>
                 <select id="mic-select"></select>

public/styles.css

@@ -166,41 +166,55 @@ button[aria-pressed="false"] {
 
 .controls {
   display: grid;
-  grid-template-columns: minmax(0, 1fr) auto;
+  grid-template-columns: minmax(0, 1fr) clamp(160px, 18vw, 240px);
   align-items: center;
+  column-gap: 20px;
+  row-gap: 14px;
   justify-content: initial;
   border-top: 1px solid rgba(255, 255, 255, 0.12);
   background: rgba(16, 18, 20, 0.92);
 }
 
 .control-panel {
-  display: grid;
+  display: flex;
+  align-items: end;
+  justify-content: center;
+  flex-wrap: wrap;
   gap: 12px;
   min-width: 0;
 }
 
 .device-controls {
-  display: grid;
-  grid-template-columns: repeat(2, minmax(220px, 360px));
+  display: flex;
+  align-items: end;
   justify-content: center;
+  flex-wrap: wrap;
   gap: 12px;
+  min-width: 0;
 }
 
 .device-row {
   display: grid;
-  grid-template-columns: 132px minmax(0, 1fr);
+  grid-template-columns: 48px minmax(170px, 260px);
   align-items: end;
   gap: 10px;
   min-width: 0;
 }
 
-.device-row button {
+.symbol-button {
+  display: inline-grid;
+  place-items: center;
+  width: 48px;
   height: 48px;
   min-width: 0;
+  padding: 0;
+  font-size: 22px;
+  line-height: 1;
 }
 
-.device-row button[aria-pressed="false"] {
+.symbol-button[aria-pressed="false"] {
   background: #5a6470;
+  opacity: 0.72;
 }
 
 .device-row label {
@@ -220,6 +234,7 @@ button[aria-pressed="false"] {
   justify-content: center;
   flex-wrap: wrap;
   gap: 12px;
+  align-items: end;
 }
 
 .control-actions button {
@@ -230,7 +245,7 @@ button[aria-pressed="false"] {
 .self-preview {
   position: relative;
   overflow: hidden;
-  width: clamp(150px, 18vw, 240px);
+  width: 100%;
   aspect-ratio: 16 / 10;
   border-radius: 8px;
   background: #1b2026;
@@ -260,6 +275,17 @@ button[aria-pressed="false"] {
   white-space: nowrap;
 }
 
+@media (max-width: 980px) {
+  .controls {
+    grid-template-columns: 1fr;
+  }
+
+  .self-preview {
+    justify-self: center;
+    width: min(260px, 100%);
+  }
+}
+
 @media (max-width: 680px) {
   .topbar {
     align-items: stretch;
@@ -293,31 +319,23 @@ button[aria-pressed="false"] {
   }
 
   .controls {
-    grid-template-columns: 1fr;
-    gap: 12px;
     padding: 12px;
   }
 
-  .control-actions {
-    order: 2;
-  }
-
   .device-controls {
-    order: 1;
-    display: grid;
-    grid-template-columns: 1fr;
+    width: 100%;
   }
 
   .device-row {
-    grid-template-columns: 120px minmax(0, 1fr);
+    grid-template-columns: 48px minmax(0, 1fr);
+    width: 100%;
   }
 
   .control-actions button {
-    min-width: min(100%, 180px);
+    min-width: min(100%, 220px);
   }
 
   .self-preview {
-    justify-self: end;
-    width: min(42vw, 180px);
+    width: min(62vw, 220px);
   }
 }