Update webpage

examples/webpage/styles.css

@@ -50,7 +50,7 @@ body {
 
 .app {
   display: grid;
-  grid-template-rows: auto 1fr auto;
+  grid-template-rows: auto minmax(0, 1fr) auto auto;
   gap: 16px;
   width: min(880px, 100%);
   height: calc(100vh - 48px);
@@ -252,6 +252,73 @@ body {
   margin-bottom: 4px;
 }
 
+/* WebSocket log --------------------------------------------------------- */
+
+.ws-log {
+  background: var(--bg);
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+  overflow: hidden;
+}
+
+.ws-log__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 8px 10px;
+  border-bottom: 1px solid var(--border);
+}
+
+.ws-log__header h2 {
+  margin: 0;
+  font-size: 12px;
+  color: var(--text-dim);
+  text-transform: uppercase;
+  letter-spacing: 0.8px;
+}
+
+.ws-log__body {
+  max-height: 130px;
+  overflow-y: auto;
+  padding: 8px 10px;
+  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
+  font-size: 11px;
+  line-height: 1.45;
+  color: var(--text-dim);
+}
+
+.ws-log__empty {
+  color: var(--text-dim);
+  opacity: 0.7;
+}
+
+.ws-log__entry {
+  display: grid;
+  grid-template-columns: 72px 44px 1fr;
+  gap: 8px;
+  white-space: pre-wrap;
+  word-break: break-word;
+}
+
+.ws-log__time {
+  color: var(--text-dim);
+  opacity: 0.75;
+}
+
+.ws-log__direction {
+  color: var(--accent-strong);
+  text-transform: uppercase;
+}
+
+.ws-log__entry--send .ws-log__direction {
+  color: var(--success);
+}
+
+.ws-log__entry--error .ws-log__direction {
+  color: var(--danger);
+}
+
 /* Controls -------------------------------------------------------------- */
 
 .controls {
@@ -326,6 +393,44 @@ body {
   gap: 14px;
 }
 
+.device-picker {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  min-width: 220px;
+}
+
+.device-picker__label {
+  font-size: 11px;
+  color: var(--text-dim);
+  text-transform: uppercase;
+  letter-spacing: 0.8px;
+}
+
+.device-picker__select {
+  appearance: none;
+  background: var(--bg-soft);
+  color: var(--text);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 8px 30px 8px 10px;
+  font: inherit;
+  font-size: 13px;
+  outline: none;
+  max-width: 300px;
+  cursor: pointer;
+}
+
+.device-picker__select:focus {
+  border-color: var(--accent);
+  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.18);
+}
+
+.device-picker__select:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
 .mic-btn {
   display: inline-flex;
   align-items: center;
@@ -506,10 +611,27 @@ body {
     align-items: stretch;
   }
 
+  .ws-log__entry {
+    grid-template-columns: 68px 40px 1fr;
+  }
+
   .status {
     justify-content: flex-end;
   }
 
+  .controls__row {
+    flex-wrap: wrap;
+  }
+
+  .device-picker {
+    min-width: 100%;
+  }
+
+  .device-picker__select {
+    max-width: none;
+    width: 100%;
+  }
+
   .indicators {
     margin-left: 0;
   }