feat: replace all emojis with SVG icons

public/styles/main.css

@@ -4,6 +4,35 @@
     box-sizing: border-box;
 }
 
+/* === SVG icon alignment and sizing tweaks === */
+/* Align inline SVGs vertically with adjacent text */
+.nav-tab > svg,
+.theme-toggle > svg,
+.burger-btn > svg,
+h2 > svg,
+h3 > svg,
+.stat-icon > svg,
+.resource-label > svg,
+.flash-label > svg,
+.uptime-label > svg,
+.latency-label > svg,
+.member-status > svg,
+.tab-refresh-btn > svg,
+.primary-node-info svg,
+.upload-btn-compact > svg,
+.deploy-btn > svg,
+.upload-btn > svg,
+.terminal-actions svg,
+.terminal-dock-icon > svg {
+    vertical-align: middle;
+}
+
+/* Monitoring view: slightly larger summary stat icons */
+.summary-stats .stat-icon > svg {
+    width: 22px;
+    height: 22px;
+}
+
 body {
     font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
     background: var(--bg-primary);
@@ -767,16 +796,17 @@ p {
     flex-shrink: 0;
 }
 
-.member-status {
+.member-status,
+.node-status-indicator {
     display: inline-flex;
     align-items: center;
     justify-content: center;
-    padding: 0.2rem;
+    width: 1rem;
+    height: 1rem;
+    padding: 0;
     border-radius: 50%;
-    font-size: 0.9rem;
+    font-size: 0; /* prevent line-height affecting size */
     flex-shrink: 0;
-    min-width: 1.2rem;
-    min-height: 1.2rem;
 }
 
 .status-online {
@@ -790,12 +820,22 @@ p {
     background: rgba(244, 67, 54, 0.3);
     color: #f44336;
     border: 1px solid rgba(244, 67, 54, 0.5);
+    border-radius: 50%;
 }
 
 .status-inactive {
     background: rgba(255, 152, 0, 0.3);
     color: #ff9800;
     border: 1px solid rgba(255, 152, 0, 0.5);
+    border-radius: 50%;
+}
+
+/* Ensure the inner dot SVG fits nicely */
+.member-status > svg,
+.node-status-indicator > svg {
+    width: 8px;
+    height: 8px;
+    display: block;
 }
 
 .member-latency {
@@ -3452,6 +3492,7 @@ select.param-input:focus {
     padding: 0.5rem 0.75rem;
     border-bottom: 1px solid var(--border-secondary);
     background: var(--bg-secondary);
+    border-radius: 12px 12px 0 0;
 }
 .terminal-title {
     font-weight: 600;