diff --git a/client/src/ui/StocksPanel.ts b/client/src/ui/StocksPanel.ts
new file mode 100644
index 0000000..e091628
--- /dev/null
+++ b/client/src/ui/StocksPanel.ts
@@ -0,0 +1,169 @@
+import type { StockpileLogEntry } from '@dflike/shared';
+
+const MAX_LOG_ENTRIES = 50;
+
+export class StocksPanel {
+  private container: HTMLDivElement;
+  private summaryEl: HTMLDivElement;
+  private logEl: HTMLDivElement;
+  private emptyEl: HTMLDivElement;
+  private logEntries: StockpileLogEntry[] = [];
+  private _hasUnseen = false;
+  onUnseenChanged: ((hasUnseen: boolean) => void) | null = null;
+
+  constructor() {
+    this.container = document.createElement('div');
+    this.container.style.cssText = `
+      display: flex;
+      flex-direction: column;
+      height: 100%;
+      gap: 8px;
+    `;
+
+    // Summary section
+    const summaryLabel = document.createElement('div');
+    summaryLabel.style.cssText = `
+      color: #e0d0b0;
+      font-size: 10px;
+      text-transform: uppercase;
+      letter-spacing: 1px;
+      padding-bottom: 4px;
+      border-bottom: 1px solid #8878a8;
+      flex-shrink: 0;
+    `;
+    summaryLabel.textContent = 'Stockpiled Resources';
+    this.container.appendChild(summaryLabel);
+
+    this.summaryEl = document.createElement('div');
+    this.summaryEl.style.cssText = `
+      display: flex;
+      flex-direction: column;
+      gap: 2px;
+      flex-shrink: 0;
+      padding-bottom: 6px;
+      border-bottom: 1px solid #8878a8;
+    `;
+    this.container.appendChild(this.summaryEl);
+
+    // Log section
+    const logLabel = document.createElement('div');
+    logLabel.style.cssText = `
+      color: #e0d0b0;
+      font-size: 10px;
+      text-transform: uppercase;
+      letter-spacing: 1px;
+      flex-shrink: 0;
+    `;
+    logLabel.textContent = 'Activity';
+    this.container.appendChild(logLabel);
+
+    this.emptyEl = document.createElement('div');
+    this.emptyEl.style.cssText = `
+      color: #8878a8;
+      font-size: 10px;
+      text-align: center;
+      padding: 20px 0;
+    `;
+    this.emptyEl.textContent = 'No activity yet...';
+    this.container.appendChild(this.emptyEl);
+
+    this.logEl = document.createElement('div');
+    this.logEl.style.cssText = `
+      display: flex;
+      flex-direction: column;
+      gap: 2px;
+      overflow-y: auto;
+      flex: 1;
+    `;
+    this.container.appendChild(this.logEl);
+  }
+
+  getElement(): HTMLDivElement {
+    return this.container;
+  }
+
+  get hasUnseen(): boolean {
+    return this._hasUnseen;
+  }
+
+  clearUnseen(): void {
+    this._hasUnseen = false;
+    this.onUnseenChanged?.(false);
+  }
+
+  updateSummary(data: Record<string, number>): void {
+    this.summaryEl.innerHTML = '';
+    const items = Object.entries(data).filter(([, qty]) => qty > 0);
+    if (items.length === 0) {
+      const empty = document.createElement('div');
+      empty.style.cssText = 'color: #8878a8; font-size: 10px; padding: 4px 0;';
+      empty.textContent = 'Empty';
+      this.summaryEl.appendChild(empty);
+      return;
+    }
+    for (const [itemId, qty] of items) {
+      const row = document.createElement('div');
+      row.style.cssText = `
+        display: flex;
+        justify-content: space-between;
+        font-size: 11px;
+      `;
+      const nameEl = document.createElement('span');
+      nameEl.style.cssText = 'color: #a0a0c0; text-transform: capitalize;';
+      nameEl.textContent = itemId.replace(/_/g, ' ');
+      const qtyEl = document.createElement('span');
+      qtyEl.style.cssText = 'color: #e0d0b0; text-shadow: 1px 1px 0 rgba(0,0,0,0.5);';
+      qtyEl.textContent = String(qty);
+      row.appendChild(nameEl);
+      row.appendChild(qtyEl);
+      this.summaryEl.appendChild(row);
+    }
+  }
+
+  addLogEntry(entry: StockpileLogEntry): void {
+    this.logEntries.push(entry);
+    if (this.logEntries.length > MAX_LOG_ENTRIES) {
+      this.logEntries.shift();
+    }
+    this.emptyEl.style.display = 'none';
+    const el = this.createLogLine(entry);
+    this.logEl.insertBefore(el, this.logEl.firstChild);
+
+    // Trim DOM if over limit
+    while (this.logEl.children.length > MAX_LOG_ENTRIES) {
+      this.logEl.removeChild(this.logEl.lastChild!);
+    }
+
+    this._hasUnseen = true;
+    this.onUnseenChanged?.(true);
+  }
+
+  loadHistory(entries: StockpileLogEntry[]): void {
+    this.logEntries = [...entries];
+    this.logEl.innerHTML = '';
+    if (entries.length === 0) {
+      this.emptyEl.style.display = '';
+      return;
+    }
+    this.emptyEl.style.display = 'none';
+    // Show newest first
+    for (let i = entries.length - 1; i >= 0; i--) {
+      this.logEl.appendChild(this.createLogLine(entries[i]));
+    }
+  }
+
+  private createLogLine(entry: StockpileLogEntry): HTMLDivElement {
+    const el = document.createElement('div');
+    el.style.cssText = `
+      font-size: 9px;
+      color: #a0a0c0;
+      padding: 2px 0;
+      border-bottom: 1px solid #1c1450;
+      line-height: 1.5;
+    `;
+    const verb = entry.action === 'dropoff' ? 'dropped off' : 'took';
+    const itemName = entry.itemId.replace(/_/g, ' ');
+    el.textContent = `${entry.npcName} ${verb} ${entry.quantity} ${itemName}`;
+    return el;
+  }
+}