support browser icons

src/styles.css

@@ -222,6 +222,13 @@ button {
   background: linear-gradient(135deg, #10213f, #365f9f);
 }
 
+.browser-nav-icon img,
+.config-icon img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
 .browser-nav-item.chrome .browser-nav-icon {
   --accent: var(--chrome);
 }
@@ -315,7 +322,7 @@ button {
 .config-form-card,
 .config-card {
   border-radius: 18px;
-  padding: 14px;
+  padding: 12px;
   border: 1px solid rgba(148, 163, 184, 0.18);
   background: var(--panel-strong);
 }
@@ -323,22 +330,61 @@ button {
 .config-form-header h3,
 .config-title-row h4 {
   margin: 0;
-  font-size: 0.98rem;
+  font-size: 0.94rem;
 }
 
 .config-form-header p,
-.config-id,
 .config-meta-row p {
   margin: 6px 0 0;
   color: var(--muted);
-  font-size: 0.86rem;
+  font-size: 0.82rem;
 }
 
 .config-form-grid {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));
-  gap: 12px;
-  margin-top: 14px;
+  gap: 10px;
+  margin-top: 12px;
+}
+
+.icon-option-grid {
+  display: grid;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 8px;
+}
+
+.icon-option-button {
+  display: grid;
+  justify-items: center;
+  gap: 6px;
+  padding: 10px 8px;
+  border: 1px solid rgba(148, 163, 184, 0.2);
+  border-radius: 12px;
+  background: rgba(255, 255, 255, 0.9);
+  color: var(--text);
+  cursor: pointer;
+  transition:
+    border-color 160ms ease,
+    background 160ms ease,
+    box-shadow 160ms ease;
+}
+
+.icon-option-button img {
+  width: 28px;
+  height: 28px;
+  object-fit: contain;
+}
+
+.icon-option-button span {
+  font-size: 0.76rem;
+  font-weight: 600;
+  text-align: center;
+}
+
+.icon-option-button.active {
+  border-color: rgba(47, 111, 237, 0.3);
+  background: rgba(232, 240, 255, 0.8);
+  box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.1);
 }
 
 .field-group {
@@ -361,7 +407,7 @@ button {
 
 .field-group input {
   width: 100%;
-  padding: 10px 12px;
+  padding: 9px 11px;
   border: 1px solid rgba(148, 163, 184, 0.24);
   border-radius: 12px;
   background: rgba(255, 255, 255, 0.94);
@@ -381,7 +427,7 @@ button {
 .config-form-actions {
   display: flex;
   justify-content: flex-end;
-  margin-top: 14px;
+  margin-top: 12px;
 }
 
 .primary-button,
@@ -423,32 +469,32 @@ button {
   display: flex;
   align-items: flex-start;
   justify-content: space-between;
-  gap: 12px;
+  gap: 10px;
 }
 
 .config-card-lead {
   display: flex;
   align-items: flex-start;
-  gap: 12px;
+  gap: 10px;
   min-width: 0;
 }
 
 .config-icon {
-  width: 40px;
-  height: 40px;
-  border-radius: 12px;
+  width: 36px;
+  height: 36px;
+  border-radius: 11px;
   font-size: 0.8rem;
 }
 
 .config-meta {
   display: grid;
-  gap: 10px;
-  margin-top: 12px;
+  gap: 8px;
+  margin-top: 10px;
 }
 
 .config-meta-row {
   display: grid;
-  gap: 4px;
+  gap: 3px;
 }
 
 .config-meta-row p {
@@ -861,6 +907,10 @@ button {
     grid-column: auto;
   }
 
+  .icon-option-grid {
+    grid-template-columns: 1fr;
+  }
+
   .sort-bar {
     justify-content: stretch;
   }