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web/static/css/style.css

@@ -5780,6 +5780,63 @@ header {
     border-color: var(--error-color);
 }
 
+.group-search-container {
+    padding: 12px 24px;
+    border-bottom: 1px solid var(--border-color);
+    background: var(--bg-primary);
+    flex-shrink: 0;
+}
+
+.group-search-input-wrapper {
+    position: relative;
+    display: flex;
+    align-items: center;
+}
+
+.group-search-input {
+    width: 100%;
+    padding: 8px 36px 8px 12px;
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    font-size: 0.875rem;
+    color: var(--text-primary);
+    background: var(--bg-secondary);
+    transition: all 0.2s ease;
+}
+
+.group-search-input:focus {
+    outline: none;
+    border-color: var(--accent-color);
+    background: var(--bg-primary);
+    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
+}
+
+.group-search-input::placeholder {
+    color: var(--text-muted);
+}
+
+.group-search-clear-btn {
+    position: absolute;
+    right: 8px;
+    width: 20px;
+    height: 20px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    border: none;
+    background: transparent;
+    color: var(--text-muted);
+    cursor: pointer;
+    border-radius: 4px;
+    transition: all 0.2s ease;
+    padding: 0;
+}
+
+.group-search-clear-btn:hover {
+    background: var(--bg-tertiary);
+    color: var(--text-primary);
+}
+
 .group-detail-content {
     flex: 1;
     overflow-y: auto;