diff --git a/webui/src/mobile-app-shell.html b/webui/src/mobile-app-shell.html
index a610b5d..5f1a2df 100644
--- a/webui/src/mobile-app-shell.html
+++ b/webui/src/mobile-app-shell.html
@@ -10,6 +10,7 @@
     <link rel="stylesheet" href="static/mobile-app-shell.css" />
     <script src="static/mobile-app-shell.js" async type="module"></script>
     <script src="static/interface-detection.js"></script>
+    <link rel="stylesheet" href="static/tailwind.css" />
   </head>
   <body>
     <mobile-shell></mobile-shell>
diff --git a/webui/src/web-components/mobile-chat-input.ts b/webui/src/web-components/mobile-chat-input.ts
index c41cdff..ff208d5 100644
--- a/webui/src/web-components/mobile-chat-input.ts
+++ b/webui/src/web-components/mobile-chat-input.ts
@@ -1,10 +1,11 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
-import { css, html, LitElement } from "lit";
+import { html } from "lit";
 import { customElement, property, state } from "lit/decorators.js";
 import { createRef, ref } from "lit/directives/ref.js";
+import { SketchTailwindElement } from "./sketch-tailwind-element";
 
 @customElement("mobile-chat-input")
-export class MobileChatInput extends LitElement {
+export class MobileChatInput extends SketchTailwindElement {
   @property({ type: Boolean })
   disabled = false;
 
@@ -19,131 +20,6 @@
 
   private textareaRef = createRef<HTMLTextAreaElement>();
 
-  static styles = css`
-    :host {
-      display: block;
-      background-color: #ffffff;
-      border-top: 1px solid #e9ecef;
-      padding: 12px 16px;
-      /* Enhanced iOS safe area support */
-      padding-bottom: max(12px, env(safe-area-inset-bottom));
-      padding-left: max(16px, env(safe-area-inset-left));
-      padding-right: max(16px, env(safe-area-inset-right));
-      /* Prevent iOS Safari from covering the input */
-      position: relative;
-      z-index: 1000;
-    }
-
-    .input-container {
-      display: flex;
-      align-items: flex-end;
-      gap: 12px;
-      max-width: 100%;
-    }
-
-    .input-wrapper {
-      flex: 1;
-      position: relative;
-      min-width: 0;
-    }
-
-    textarea {
-      width: 100%;
-      min-height: 40px;
-      max-height: 120px;
-      padding: 12px 16px;
-      border: 1px solid #ddd;
-      border-radius: 20px;
-      font-size: 16px;
-      font-family: inherit;
-      line-height: 1.4;
-      resize: none;
-      outline: none;
-      background-color: #f8f9fa;
-      transition:
-        border-color 0.2s,
-        background-color 0.2s;
-      box-sizing: border-box;
-    }
-
-    textarea:focus {
-      border-color: #007bff;
-      background-color: #ffffff;
-    }
-
-    textarea:disabled {
-      background-color: #e9ecef;
-      color: #6c757d;
-      cursor: not-allowed;
-    }
-
-    textarea::placeholder {
-      color: #6c757d;
-    }
-
-    .send-button {
-      flex-shrink: 0;
-      width: 40px;
-      height: 40px;
-      border: none;
-      border-radius: 50%;
-      background-color: #007bff;
-      color: white;
-      cursor: pointer;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      font-size: 18px;
-      transition:
-        background-color 0.2s,
-        transform 0.1s;
-      outline: none;
-    }
-
-    .send-button:hover:not(:disabled) {
-      background-color: #0056b3;
-    }
-
-    .send-button:active:not(:disabled) {
-      transform: scale(0.95);
-    }
-
-    .send-button:disabled {
-      background-color: #6c757d;
-      cursor: not-allowed;
-      opacity: 0.6;
-    }
-
-    .send-icon {
-      width: 16px;
-      height: 16px;
-      fill: currentColor;
-    }
-
-    /* iOS specific adjustments */
-    @supports (-webkit-touch-callout: none) {
-      textarea {
-        font-size: 16px; /* Prevent zoom on iOS */
-      }
-    }
-
-    /* Upload progress indicator */
-    .upload-progress {
-      position: absolute;
-      top: -30px;
-      left: 50%;
-      transform: translateX(-50%);
-      background-color: #fff9c4;
-      color: #856404;
-      padding: 4px 8px;
-      border-radius: 4px;
-      font-size: 12px;
-      white-space: nowrap;
-      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
-      z-index: 1000;
-    }
-  `;
-
   private handleInput = (e: Event) => {
     const target = e.target as HTMLTextAreaElement;
     this.inputValue = target.value;
@@ -294,42 +170,51 @@
       this.uploadsInProgress === 0;
 
     return html`
-      <div class="input-container">
-        <div class="input-wrapper">
-          <textarea
-            ${ref(this.textareaRef)}
-            .value=${this.inputValue}
-            @input=${this.handleInput}
-            @keydown=${this.handleKeyDown}
-            placeholder="Message Sketch..."
-            ?disabled=${this.disabled || this.uploadsInProgress > 0}
-            rows="1"
-          ></textarea>
+      <div
+        class="block bg-white border-t border-gray-200 p-3 relative z-[1000]"
+        style="padding-bottom: max(12px, env(safe-area-inset-bottom)); padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right));"
+      >
+        <div class="flex items-end gap-3 max-w-full">
+          <div class="flex-1 relative min-w-0">
+            <textarea
+              ${ref(this.textareaRef)}
+              .value=${this.inputValue}
+              @input=${this.handleInput}
+              @keydown=${this.handleKeyDown}
+              placeholder="Message Sketch..."
+              ?disabled=${this.disabled || this.uploadsInProgress > 0}
+              rows="1"
+              class="w-full min-h-[40px] max-h-[120px] p-3 border border-gray-300 rounded-[20px] text-base font-inherit leading-relaxed resize-none outline-none bg-gray-50 transition-colors duration-200 box-border focus:border-blue-500 focus:bg-white disabled:bg-gray-200 disabled:text-gray-500 disabled:cursor-not-allowed placeholder:text-gray-500"
+              style="font-size: 16px;"
+            ></textarea>
 
-          ${this.showUploadProgress
-            ? html`
-                <div class="upload-progress">
-                  Uploading ${this.uploadsInProgress}
-                  file${this.uploadsInProgress > 1 ? "s" : ""}...
-                </div>
-              `
-            : ""}
+            ${this.showUploadProgress
+              ? html`
+                  <div
+                    class="absolute -top-8 left-1/2 transform -translate-x-1/2 bg-yellow-50 text-yellow-800 px-2 py-1 rounded text-xs whitespace-nowrap shadow-sm z-[1000]"
+                  >
+                    Uploading ${this.uploadsInProgress}
+                    file${this.uploadsInProgress > 1 ? "s" : ""}...
+                  </div>
+                `
+              : ""}
+          </div>
+
+          <button
+            class="flex-shrink-0 w-10 h-10 border-none rounded-full bg-blue-500 text-white cursor-pointer flex items-center justify-center text-lg transition-all duration-200 outline-none hover:bg-blue-600 active:scale-95 disabled:bg-gray-500 disabled:cursor-not-allowed disabled:opacity-60"
+            @click=${this.sendMessage}
+            ?disabled=${!canSend}
+            title=${this.uploadsInProgress > 0
+              ? "Please wait for upload to complete"
+              : "Send message"}
+          >
+            ${this.uploadsInProgress > 0
+              ? html`<span class="text-xs">⏳</span>`
+              : html`<svg class="w-4 h-4 fill-current" viewBox="0 0 24 24">
+                  <path d="M2,21L23,12L2,3V10L17,12L2,14V21Z" />
+                </svg>`}
+          </button>
         </div>
-
-        <button
-          class="send-button"
-          @click=${this.sendMessage}
-          ?disabled=${!canSend}
-          title=${this.uploadsInProgress > 0
-            ? "Please wait for upload to complete"
-            : "Send message"}
-        >
-          ${this.uploadsInProgress > 0
-            ? html`<span style="font-size: 12px;">⏳</span>`
-            : html`<svg class="send-icon" viewBox="0 0 24 24">
-                <path d="M2,21L23,12L2,3V10L17,12L2,14V21Z" />
-              </svg>`}
-        </button>
       </div>
     `;
   }
diff --git a/webui/src/web-components/mobile-chat.test.ts b/webui/src/web-components/mobile-chat.test.ts
index 54ddf2e..1b57f03 100644
--- a/webui/src/web-components/mobile-chat.test.ts
+++ b/webui/src/web-components/mobile-chat.test.ts
@@ -68,17 +68,10 @@
   const errorBubble = component.locator(".message.error .message-bubble");
   await expect(errorBubble).toBeVisible();
 
-  // Verify the background color and text color
-  const bgColor = await errorBubble.evaluate((el) => {
-    return window.getComputedStyle(el).backgroundColor;
-  });
-  const textColor = await errorBubble.evaluate((el) => {
-    return window.getComputedStyle(el).color;
-  });
-
-  // Check that we have red-ish colors (these will be RGB values)
-  expect(bgColor).toMatch(/rgb\(255, 235, 238\)/); // #ffebee
-  expect(textColor).toMatch(/rgb\(211, 47, 47\)/); // #d32f2f
+  // Verify the element has the correct CSS classes for red styling
+  const errorBubbleClasses = await errorBubble.getAttribute("class");
+  expect(errorBubbleClasses).toContain("bg-red-50");
+  expect(errorBubbleClasses).toContain("text-red-700");
 });
 
 test("filters messages correctly", async ({ mount }) => {
diff --git a/webui/src/web-components/mobile-chat.ts b/webui/src/web-components/mobile-chat.ts
index bd3a9e3..9ce01fe 100644
--- a/webui/src/web-components/mobile-chat.ts
+++ b/webui/src/web-components/mobile-chat.ts
@@ -1,14 +1,15 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
-import { css, html, LitElement } from "lit";
+import { html } from "lit";
 import { customElement, property, state } from "lit/decorators.js";
 import { unsafeHTML } from "lit/directives/unsafe-html.js";
 import { AgentMessage } from "../types";
 import { createRef, ref } from "lit/directives/ref.js";
 import { marked, MarkedOptions, Renderer } from "marked";
 import DOMPurify from "dompurify";
+import { SketchTailwindElement } from "./sketch-tailwind-element";
 
 @customElement("mobile-chat")
-export class MobileChat extends LitElement {
+export class MobileChat extends SketchTailwindElement {
   @property({ type: Array })
   messages: AgentMessage[] = [];
 
@@ -20,318 +21,33 @@
   @state()
   private showJumpToBottom = false;
 
-  static styles = css`
-    :host {
-      display: block;
-      height: 100%;
-      overflow: hidden;
+  connectedCallback() {
+    super.connectedCallback();
+    // Add animation styles to document head if not already present
+    if (!document.getElementById("mobile-chat-animations")) {
+      const style = document.createElement("style");
+      style.id = "mobile-chat-animations";
+      style.textContent = `
+        @keyframes thinking {
+          0%, 80%, 100% {
+            transform: scale(0.8);
+            opacity: 0.5;
+          }
+          40% {
+            transform: scale(1);
+            opacity: 1;
+          }
+        }
+        .thinking-dot {
+          animation: thinking 1.4s ease-in-out infinite both;
+        }
+        .thinking-dot:nth-child(1) { animation-delay: -0.32s; }
+        .thinking-dot:nth-child(2) { animation-delay: -0.16s; }
+        .thinking-dot:nth-child(3) { animation-delay: 0; }
+      `;
+      document.head.appendChild(style);
     }
-
-    .chat-container {
-      height: 100%;
-      overflow-y: auto;
-      padding: 16px;
-      display: flex;
-      flex-direction: column;
-      gap: 16px;
-      scroll-behavior: smooth;
-      -webkit-overflow-scrolling: touch;
-    }
-
-    .message {
-      display: flex;
-      flex-direction: column;
-      max-width: 85%;
-      word-wrap: break-word;
-    }
-
-    .message.user {
-      align-self: flex-end;
-      align-items: flex-end;
-    }
-
-    .message.assistant {
-      align-self: flex-start;
-      align-items: flex-start;
-    }
-
-    .message-bubble {
-      padding: 8px 12px;
-      border-radius: 18px;
-      font-size: 16px;
-      line-height: 1.4;
-    }
-
-    .message.user .message-bubble {
-      background-color: #007bff;
-      color: white;
-      border-bottom-right-radius: 6px;
-    }
-
-    .message.assistant .message-bubble {
-      background-color: #f1f3f4;
-      color: #333;
-      border-bottom-left-radius: 6px;
-    }
-
-    .message.error .message-bubble {
-      background-color: #ffebee;
-      color: #d32f2f;
-      border-radius: 18px;
-    }
-
-    .thinking-message {
-      align-self: flex-start;
-      align-items: flex-start;
-      max-width: 85%;
-    }
-
-    .thinking-bubble {
-      background-color: #f1f3f4;
-      padding: 16px;
-      border-radius: 18px;
-      border-bottom-left-radius: 6px;
-      display: flex;
-      align-items: center;
-      gap: 8px;
-    }
-
-    .thinking-text {
-      color: #6c757d;
-      font-style: italic;
-    }
-
-    .thinking-dots {
-      display: flex;
-      gap: 3px;
-    }
-
-    .thinking-dot {
-      width: 6px;
-      height: 6px;
-      border-radius: 50%;
-      background-color: #6c757d;
-      animation: thinking 1.4s ease-in-out infinite both;
-    }
-
-    .thinking-dot:nth-child(1) {
-      animation-delay: -0.32s;
-    }
-    .thinking-dot:nth-child(2) {
-      animation-delay: -0.16s;
-    }
-    .thinking-dot:nth-child(3) {
-      animation-delay: 0;
-    }
-
-    @keyframes thinking {
-      0%,
-      80%,
-      100% {
-        transform: scale(0.8);
-        opacity: 0.5;
-      }
-      40% {
-        transform: scale(1);
-        opacity: 1;
-      }
-    }
-
-    .empty-state {
-      flex: 1;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      color: #6c757d;
-      font-style: italic;
-      text-align: center;
-      padding: 32px;
-    }
-
-    /* Markdown content styling for mobile */
-    .markdown-content {
-      line-height: 1.5;
-      word-wrap: break-word;
-      overflow-wrap: break-word;
-    }
-
-    .markdown-content p {
-      margin: 0.3em 0;
-    }
-
-    .markdown-content p:first-child {
-      margin-top: 0;
-    }
-
-    .markdown-content p:last-child {
-      margin-bottom: 0;
-    }
-
-    .markdown-content h1,
-    .markdown-content h2,
-    .markdown-content h3,
-    .markdown-content h4,
-    .markdown-content h5,
-    .markdown-content h6 {
-      margin: 0.5em 0 0.3em 0;
-      font-weight: bold;
-    }
-
-    .markdown-content h1 {
-      font-size: 1.2em;
-    }
-    .markdown-content h2 {
-      font-size: 1.15em;
-    }
-    .markdown-content h3 {
-      font-size: 1.1em;
-    }
-    .markdown-content h4,
-    .markdown-content h5,
-    .markdown-content h6 {
-      font-size: 1.05em;
-    }
-
-    .markdown-content code {
-      background-color: rgba(0, 0, 0, 0.08);
-      padding: 2px 4px;
-      border-radius: 3px;
-      font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
-      font-size: 0.9em;
-    }
-
-    .markdown-content pre {
-      background-color: rgba(0, 0, 0, 0.08);
-      padding: 8px;
-      border-radius: 6px;
-      margin: 0.5em 0;
-      overflow-x: auto;
-      font-size: 0.9em;
-    }
-
-    .markdown-content pre code {
-      background: none;
-      padding: 0;
-    }
-
-    .markdown-content ul,
-    .markdown-content ol {
-      margin: 0.5em 0;
-      padding-left: 1.2em;
-    }
-
-    .markdown-content li {
-      margin: 0.2em 0;
-    }
-
-    .markdown-content blockquote {
-      border-left: 3px solid rgba(0, 0, 0, 0.2);
-      margin: 0.5em 0;
-      padding-left: 0.8em;
-      font-style: italic;
-    }
-
-    .markdown-content a {
-      color: inherit;
-      text-decoration: underline;
-    }
-
-    .markdown-content strong,
-    .markdown-content b {
-      font-weight: bold;
-    }
-
-    .markdown-content em,
-    .markdown-content i {
-      font-style: italic;
-    }
-
-    /* Tool calls styling for mobile */
-    .tool-calls {
-      margin-top: 12px;
-      display: flex;
-      flex-direction: column;
-      gap: 6px;
-    }
-
-    .tool-call-item {
-      background-color: rgba(0, 0, 0, 0.04);
-      border-radius: 8px;
-      padding: 6px 8px;
-      font-size: 12px;
-      font-family: monospace;
-      line-height: 1.3;
-      display: flex;
-      align-items: center;
-      gap: 6px;
-    }
-
-    .tool-status-icon {
-      flex-shrink: 0;
-      font-size: 14px;
-    }
-
-    .tool-name {
-      font-weight: bold;
-      color: #333;
-      flex-shrink: 0;
-      margin-right: 2px;
-    }
-
-    .tool-summary {
-      color: #555;
-      flex-grow: 1;
-      overflow: hidden;
-      text-overflow: ellipsis;
-      white-space: nowrap;
-    }
-
-    .tool-duration {
-      font-size: 10px;
-      color: #888;
-      flex-shrink: 0;
-      margin-left: 4px;
-    }
-
-    .jump-to-bottom {
-      position: fixed;
-      bottom: 70px;
-      left: 50%;
-      transform: translateX(-50%);
-      background-color: rgba(0, 0, 0, 0.6);
-      color: white;
-      border: none;
-      border-radius: 12px;
-      padding: 4px 8px;
-      font-size: 11px;
-      font-weight: 400;
-      cursor: pointer;
-      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
-      z-index: 1100;
-      transition: all 0.15s ease;
-      display: flex;
-      align-items: center;
-      gap: 4px;
-      opacity: 0.8;
-    }
-
-    .jump-to-bottom:hover {
-      background-color: rgba(0, 0, 0, 0.8);
-      transform: translateX(-50%) translateY(-1px);
-      opacity: 1;
-      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
-    }
-
-    .jump-to-bottom:active {
-      transform: translateX(-50%) translateY(0);
-    }
-
-    .jump-to-bottom.hidden {
-      opacity: 0;
-      pointer-events: none;
-      transform: translateX(-50%) translateY(10px);
-    }
-  `;
+  }
 
   updated(changedProperties: Map<string, any>) {
     super.updated(changedProperties);
@@ -478,14 +194,21 @@
     }
 
     return html`
-      <div class="tool-calls">
+      <div class="mt-3 flex flex-col gap-1.5">
         ${message.tool_calls.map((toolCall) => {
           const summary = this.getToolSummary(toolCall);
 
           return html`
-            <div class="tool-call-item ${toolCall.name}">
-              <span class="tool-name">${toolCall.name}</span>
-              <span class="tool-summary">${summary}</span>
+            <div
+              class="bg-black/[0.04] rounded-lg px-2 py-1.5 text-xs font-mono leading-snug flex items-center gap-1.5 ${toolCall.name}"
+            >
+              <span class="font-bold text-gray-800 flex-shrink-0 mr-0.5"
+                >${toolCall.name}</span
+              >
+              <span
+                class="text-gray-600 flex-grow overflow-hidden text-ellipsis whitespace-nowrap"
+                >${summary}</span
+              >
             </div>
           `;
         })}
@@ -598,49 +321,165 @@
     );
 
     return html`
-      <div class="chat-container" ${ref(this.scrollContainer)}>
-        ${displayMessages.length === 0
-          ? html`
-              <div class="empty-state">Start a conversation with Sketch...</div>
-            `
-          : displayMessages.map((message) => {
-              const role = this.getMessageRole(message);
-              const text = this.getMessageText(message);
-              // const timestamp = message.timestamp; // Unused for mobile layout
+      <div class="block h-full overflow-hidden">
+        <div
+          class="h-full overflow-y-auto p-4 flex flex-col gap-4 scroll-smooth"
+          style="-webkit-overflow-scrolling: touch;"
+          ${ref(this.scrollContainer)}
+        >
+          ${displayMessages.length === 0
+            ? html`
+                <div
+                  class="empty-state flex-1 flex items-center justify-center text-gray-500 italic text-center p-8"
+                >
+                  Start a conversation with Sketch...
+                </div>
+              `
+            : displayMessages.map((message) => {
+                const role = this.getMessageRole(message);
+                const text = this.getMessageText(message);
+                // const timestamp = message.timestamp; // Unused for mobile layout
 
-              return html`
-                <div class="message ${role}">
-                  <div class="message-bubble">
-                    ${role === "assistant"
-                      ? html`<div class="markdown-content">
-                          ${unsafeHTML(this.renderMarkdown(text))}
-                        </div>`
-                      : text}
-                    ${this.renderToolCalls(message)}
+                return html`
+                  <div
+                    class="message ${role} flex flex-col max-w-[85%] break-words ${role ===
+                    "user"
+                      ? "self-end items-end"
+                      : "self-start items-start"}"
+                  >
+                    <div
+                      class="message-bubble px-3 py-2 rounded-[18px] text-base leading-relaxed ${role ===
+                      "user"
+                        ? "bg-blue-500 text-white rounded-br-[6px]"
+                        : role === "error"
+                          ? "bg-red-50 text-red-700"
+                          : "bg-gray-100 text-gray-800 rounded-bl-[6px]"}"
+                    >
+                      ${role === "assistant"
+                        ? html`<div class="leading-6 break-words">
+                            <style>
+                              .markdown-content p {
+                                margin: 0.3em 0;
+                              }
+                              .markdown-content p:first-child {
+                                margin-top: 0;
+                              }
+                              .markdown-content p:last-child {
+                                margin-bottom: 0;
+                              }
+                              .markdown-content h1,
+                              .markdown-content h2,
+                              .markdown-content h3,
+                              .markdown-content h4,
+                              .markdown-content h5,
+                              .markdown-content h6 {
+                                margin: 0.5em 0 0.3em 0;
+                                font-weight: bold;
+                              }
+                              .markdown-content h1 {
+                                font-size: 1.2em;
+                              }
+                              .markdown-content h2 {
+                                font-size: 1.15em;
+                              }
+                              .markdown-content h3 {
+                                font-size: 1.1em;
+                              }
+                              .markdown-content h4,
+                              .markdown-content h5,
+                              .markdown-content h6 {
+                                font-size: 1.05em;
+                              }
+                              .markdown-content code {
+                                background-color: rgba(0, 0, 0, 0.08);
+                                padding: 2px 4px;
+                                border-radius: 3px;
+                                font-family:
+                                  Monaco, Menlo, "Ubuntu Mono", monospace;
+                                font-size: 0.9em;
+                              }
+                              .markdown-content pre {
+                                background-color: rgba(0, 0, 0, 0.08);
+                                padding: 8px;
+                                border-radius: 6px;
+                                margin: 0.5em 0;
+                                overflow-x: auto;
+                                font-size: 0.9em;
+                              }
+                              .markdown-content pre code {
+                                background: none;
+                                padding: 0;
+                              }
+                              .markdown-content ul,
+                              .markdown-content ol {
+                                margin: 0.5em 0;
+                                padding-left: 1.2em;
+                              }
+                              .markdown-content li {
+                                margin: 0.2em 0;
+                              }
+                              .markdown-content blockquote {
+                                border-left: 3px solid rgba(0, 0, 0, 0.2);
+                                margin: 0.5em 0;
+                                padding-left: 0.8em;
+                                font-style: italic;
+                              }
+                              .markdown-content a {
+                                color: inherit;
+                                text-decoration: underline;
+                              }
+                              .markdown-content strong,
+                              .markdown-content b {
+                                font-weight: bold;
+                              }
+                              .markdown-content em,
+                              .markdown-content i {
+                                font-style: italic;
+                              }
+                            </style>
+                            <div class="markdown-content">
+                              ${unsafeHTML(this.renderMarkdown(text))}
+                            </div>
+                          </div>`
+                        : text}
+                      ${this.renderToolCalls(message)}
+                    </div>
+                  </div>
+                `;
+              })}
+          ${this.isThinking
+            ? html`
+                <div
+                  class="thinking-message flex flex-col max-w-[85%] break-words self-start items-start"
+                >
+                  <div
+                    class="bg-gray-100 p-4 rounded-[18px] rounded-bl-[6px] flex items-center gap-2"
+                  >
+                    <span class="thinking-text text-gray-500 italic"
+                      >Sketch is thinking</span
+                    >
+                    <div class="thinking-dots flex gap-1">
+                      <div
+                        class="w-1.5 h-1.5 rounded-full bg-gray-500 thinking-dot"
+                      ></div>
+                      <div
+                        class="w-1.5 h-1.5 rounded-full bg-gray-500 thinking-dot"
+                      ></div>
+                      <div
+                        class="w-1.5 h-1.5 rounded-full bg-gray-500 thinking-dot"
+                      ></div>
+                    </div>
                   </div>
                 </div>
-              `;
-            })}
-        ${this.isThinking
-          ? html`
-              <div class="thinking-message">
-                <div class="thinking-bubble">
-                  <span class="thinking-text">Sketch is thinking</span>
-                  <div class="thinking-dots">
-                    <div class="thinking-dot"></div>
-                    <div class="thinking-dot"></div>
-                    <div class="thinking-dot"></div>
-                  </div>
-                </div>
-              </div>
-            `
-          : ""}
+              `
+            : ""}
+        </div>
       </div>
 
       ${this.showJumpToBottom
         ? html`
             <button
-              class="jump-to-bottom"
+              class="fixed bottom-[70px] left-1/2 transform -translate-x-1/2 bg-black/60 text-white border-none rounded-xl px-2 py-1 text-xs font-normal cursor-pointer shadow-sm z-[1100] transition-all duration-150 flex items-center gap-1 opacity-80 hover:bg-black/80 hover:-translate-y-px hover:opacity-100 hover:shadow-md active:translate-y-0"
               @click=${this.jumpToBottom}
               aria-label="Jump to bottom"
             >
diff --git a/webui/src/web-components/mobile-diff.ts b/webui/src/web-components/mobile-diff.ts
index 7511602..bf53b25 100644
--- a/webui/src/web-components/mobile-diff.ts
+++ b/webui/src/web-components/mobile-diff.ts
@@ -1,5 +1,5 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
-import { css, html, LitElement } from "lit";
+import { html } from "lit";
 import { customElement, state } from "lit/decorators.js";
 import {
   GitDiffFile,
@@ -7,9 +7,10 @@
   DefaultGitDataService,
 } from "./git-data-service";
 import "./sketch-monaco-view";
+import { SketchTailwindElement } from "./sketch-tailwind-element";
 
 @customElement("mobile-diff")
-export class MobileDiff extends LitElement {
+export class MobileDiff extends SketchTailwindElement {
   private gitService: GitDataService = new DefaultGitDataService();
 
   @state()
@@ -31,114 +32,6 @@
   @state()
   private fileExpandStates: Map<string, boolean> = new Map();
 
-  static styles = css`
-    :host {
-      display: flex;
-      flex-direction: column;
-      height: 100%;
-      min-height: 0;
-      overflow: hidden;
-      background-color: #ffffff;
-    }
-
-    .diff-container {
-      flex: 1;
-      overflow: auto;
-      min-height: 0;
-      /* Ensure proper scrolling behavior */
-      -webkit-overflow-scrolling: touch;
-    }
-
-    .loading,
-    .error,
-    .empty {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      height: 100%;
-      font-size: 16px;
-      color: #6c757d;
-      text-align: center;
-      padding: 20px;
-    }
-
-    .error {
-      color: #dc3545;
-    }
-
-    .file-diff {
-      margin-bottom: 16px;
-    }
-
-    .file-diff:last-child {
-      margin-bottom: 0;
-    }
-
-    .file-header {
-      background-color: #f8f9fa;
-      border: 1px solid #e9ecef;
-      border-bottom: none;
-      padding: 12px 16px;
-      font-family: monospace;
-      font-size: 14px;
-      font-weight: 500;
-      color: #495057;
-      position: sticky;
-      top: 0;
-      z-index: 10;
-    }
-
-    .file-status {
-      display: inline-block;
-      padding: 2px 6px;
-      border-radius: 3px;
-      font-size: 12px;
-      font-weight: bold;
-      margin-right: 8px;
-      font-family: sans-serif;
-    }
-
-    .file-status.added {
-      background-color: #d4edda;
-      color: #155724;
-    }
-
-    .file-status.modified {
-      background-color: #fff3cd;
-      color: #856404;
-    }
-
-    .file-status.deleted {
-      background-color: #f8d7da;
-      color: #721c24;
-    }
-
-    .file-status.renamed {
-      background-color: #d1ecf1;
-      color: #0c5460;
-    }
-
-    .file-changes {
-      margin-left: 8px;
-      font-size: 12px;
-      color: #6c757d;
-    }
-
-    .monaco-container {
-      border: 1px solid #e9ecef;
-      border-top: none;
-      min-height: 200px;
-      /* Prevent artifacts */
-      overflow: hidden;
-      background-color: #ffffff;
-    }
-
-    sketch-monaco-view {
-      width: 100%;
-      min-height: 200px;
-    }
-  `;
-
   connectedCallback() {
     super.connectedCallback();
     this.loadDiffData();
@@ -247,6 +140,23 @@
     }
   }
 
+  private getFileStatusTailwindClass(status: string): string {
+    switch (status.toUpperCase()) {
+      case "A":
+        return "bg-green-100 text-green-800";
+      case "M":
+        return "bg-yellow-100 text-yellow-800";
+      case "D":
+        return "bg-red-100 text-red-800";
+      case "R":
+      default:
+        if (status.toUpperCase().startsWith("R")) {
+          return "bg-blue-100 text-blue-800";
+        }
+        return "bg-yellow-100 text-yellow-800";
+    }
+  }
+
   private getFileStatusText(status: string): string {
     switch (status.toUpperCase()) {
       case "A":
@@ -357,46 +267,64 @@
 
     if (!content) {
       return html`
-        <div class="file-diff">
-          <div class="file-header">
-            <div class="file-header-left">
-              <span class="file-status ${this.getFileStatusClass(file.status)}">
+        <div class="mb-4 last:mb-0">
+          <div
+            class="bg-gray-50 border border-gray-200 border-b-0 p-3 font-mono text-sm font-medium text-gray-700 sticky top-0 z-10 flex items-center justify-between"
+          >
+            <div class="flex items-center">
+              <span
+                class="inline-block px-1.5 py-0.5 rounded text-xs font-bold mr-2 font-sans ${this.getFileStatusTailwindClass(
+                  file.status,
+                )}"
+              >
                 ${this.getFileStatusText(file.status)}
               </span>
               ${this.getPathInfo(file)}
               ${this.getChangesInfo(file)
-                ? html`<span class="file-changes"
+                ? html`<span class="ml-2 text-xs text-gray-500"
                     >${this.getChangesInfo(file)}</span
                   >`
                 : ""}
             </div>
-            <button class="file-expand-button" disabled>
+            <button class="text-gray-400" disabled>
               ${this.renderExpandAllIcon()}
             </button>
           </div>
-          <div class="monaco-container">
-            <div class="loading">Loading ${file.path}...</div>
+          <div
+            class="border border-gray-200 border-t-0 min-h-[200px] overflow-hidden bg-white"
+          >
+            <div
+              class="flex items-center justify-center h-full text-base text-gray-500 text-center p-5"
+            >
+              Loading ${file.path}...
+            </div>
           </div>
         </div>
       `;
     }
 
     return html`
-      <div class="file-diff">
-        <div class="file-header">
-          <div class="file-header-left">
-            <span class="file-status ${this.getFileStatusClass(file.status)}">
+      <div class="mb-4 last:mb-0">
+        <div
+          class="bg-gray-50 border border-gray-200 border-b-0 p-3 font-mono text-sm font-medium text-gray-700 sticky top-0 z-10 flex items-center justify-between"
+        >
+          <div class="flex items-center">
+            <span
+              class="inline-block px-1.5 py-0.5 rounded text-xs font-bold mr-2 font-sans ${this.getFileStatusTailwindClass(
+                file.status,
+              )}"
+            >
               ${this.getFileStatusText(file.status)}
             </span>
             ${this.getPathInfo(file)}
             ${this.getChangesInfo(file)
-              ? html`<span class="file-changes"
+              ? html`<span class="ml-2 text-xs text-gray-500"
                   >${this.getChangesInfo(file)}</span
                 >`
               : ""}
           </div>
           <button
-            class="file-expand-button"
+            class="text-gray-600 hover:text-gray-800 p-1 rounded"
             @click="${() => this.toggleFileExpansion(file.path)}"
             title="${isExpanded
               ? "Collapse: Hide unchanged regions to focus on changes"
@@ -407,8 +335,11 @@
               : this.renderExpandAllIcon()}
           </button>
         </div>
-        <div class="monaco-container">
+        <div
+          class="border border-gray-200 border-t-0 min-h-[200px] overflow-hidden bg-white"
+        >
           <sketch-monaco-view
+            class="w-full min-h-[200px]"
             .originalCode="${content.original}"
             .modifiedCode="${content.modified}"
             .originalFilename="${file.path}"
@@ -424,14 +355,31 @@
 
   render() {
     return html`
-      <div class="diff-container">
-        ${this.loading
-          ? html`<div class="loading">Loading diff...</div>`
-          : this.error
-            ? html`<div class="error">${this.error}</div>`
-            : !this.files || this.files.length === 0
-              ? html`<div class="empty">No changes to show</div>`
-              : this.files.map((file) => this.renderFileDiff(file))}
+      <div class="flex flex-col h-full min-h-0 overflow-hidden bg-white">
+        <div
+          class="flex-1 overflow-auto min-h-0"
+          style="-webkit-overflow-scrolling: touch;"
+        >
+          ${this.loading
+            ? html`<div
+                class="flex items-center justify-center h-full text-base text-gray-500 text-center p-5"
+              >
+                Loading diff...
+              </div>`
+            : this.error
+              ? html`<div
+                  class="flex items-center justify-center h-full text-base text-red-600 text-center p-5"
+                >
+                  ${this.error}
+                </div>`
+              : !this.files || this.files.length === 0
+                ? html`<div
+                    class="flex items-center justify-center h-full text-base text-gray-500 text-center p-5"
+                  >
+                    No changes to show
+                  </div>`
+                : this.files.map((file) => this.renderFileDiff(file))}
+        </div>
       </div>
     `;
   }
diff --git a/webui/src/web-components/mobile-shell.ts b/webui/src/web-components/mobile-shell.ts
index dd59ad8..5672be9 100644
--- a/webui/src/web-components/mobile-shell.ts
+++ b/webui/src/web-components/mobile-shell.ts
@@ -1,8 +1,9 @@
-import { css, html, LitElement } from "lit";
+import { html } from "lit";
 import { customElement, property, state } from "lit/decorators.js";
 import { ConnectionStatus, DataManager } from "../data";
 import { AgentMessage, State } from "../types";
 import { aggregateAgentMessages } from "./aggregateAgentMessages";
+import { SketchTailwindElement } from "./sketch-tailwind-element";
 
 import "./mobile-title";
 import "./mobile-chat";
@@ -10,7 +11,7 @@
 import "./mobile-diff";
 
 @customElement("mobile-shell")
-export class MobileShell extends LitElement {
+export class MobileShell extends SketchTailwindElement {
   private dataManager = new DataManager();
 
   @state()
@@ -25,55 +26,6 @@
   @state()
   currentView: "chat" | "diff" = "chat";
 
-  static styles = css`
-    :host {
-      display: flex;
-      flex-direction: column;
-      /* Use dynamic viewport height for better iOS support */
-      height: 100dvh;
-      /* Fallback for browsers that don't support dvh */
-      height: 100vh;
-      /* iOS Safari custom property fallback */
-      height: calc(var(--vh, 1vh) * 100);
-      /* Additional iOS Safari fix */
-      min-height: 100vh;
-      min-height: -webkit-fill-available;
-      width: 100vw;
-      background-color: #ffffff;
-      font-family:
-        -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
-    }
-
-    .mobile-container {
-      display: flex;
-      flex-direction: column;
-      height: 100%;
-      overflow: hidden;
-    }
-
-    mobile-title {
-      flex-shrink: 0;
-    }
-
-    mobile-chat {
-      flex: 1;
-      overflow: hidden;
-      min-height: 0;
-    }
-
-    mobile-diff {
-      flex: 1;
-      overflow: hidden;
-      min-height: 0;
-    }
-
-    mobile-chat-input {
-      flex-shrink: 0;
-      /* Ensure proper height calculation */
-      min-height: 64px;
-    }
-  `;
-
   connectedCallback() {
     super.connectedCallback();
     this.setupDataManager();
@@ -166,8 +118,12 @@
       (this.state?.outstanding_tool_calls?.length ?? 0) > 0;
 
     return html`
-      <div class="mobile-container">
+      <div
+        class="flex flex-col bg-white font-sans w-screen overflow-hidden"
+        style="height: 100dvh; height: 100vh; height: calc(var(--vh, 1vh) * 100); min-height: 100vh; min-height: -webkit-fill-available;"
+      >
         <mobile-title
+          class="flex-shrink-0"
           .connectionStatus=${this.connectionStatus}
           .isThinking=${isThinking}
           .skabandAddr=${this.state?.skaband_addr}
@@ -179,13 +135,17 @@
         ${this.currentView === "chat"
           ? html`
               <mobile-chat
+                class="flex-1 overflow-hidden min-h-0"
                 .messages=${this.messages}
                 .isThinking=${isThinking}
               ></mobile-chat>
             `
-          : html` <mobile-diff></mobile-diff> `}
+          : html`<mobile-diff
+              class="flex-1 overflow-hidden min-h-0"
+            ></mobile-diff>`}
 
         <mobile-chat-input
+          class="flex-shrink-0 min-h-[64px]"
           .disabled=${this.connectionStatus !== "connected"}
           @send-message=${this.handleSendMessage}
         ></mobile-chat-input>
diff --git a/webui/src/web-components/mobile-title.ts b/webui/src/web-components/mobile-title.ts
index 8ac9166..92bde10 100644
--- a/webui/src/web-components/mobile-title.ts
+++ b/webui/src/web-components/mobile-title.ts
@@ -1,9 +1,10 @@
-import { css, html, LitElement } from "lit";
+import { html } from "lit";
 import { customElement, property } from "lit/decorators.js";
 import { ConnectionStatus } from "../data";
+import { SketchTailwindElement } from "./sketch-tailwind-element";
 
 @customElement("mobile-title")
-export class MobileTitle extends LitElement {
+export class MobileTitle extends SketchTailwindElement {
   @property({ type: String })
   connectionStatus: ConnectionStatus = "disconnected";
 
@@ -19,161 +20,30 @@
   @property({ type: String })
   slug: string = "";
 
-  static styles = css`
-    :host {
-      display: block;
-      background-color: #f8f9fa;
-      border-bottom: 1px solid #e9ecef;
-      padding: 12px 16px;
+  connectedCallback() {
+    super.connectedCallback();
+    // Add animation styles to document head if not already present
+    if (!document.getElementById("mobile-title-animations")) {
+      const style = document.createElement("style");
+      style.id = "mobile-title-animations";
+      style.textContent = `
+        @keyframes pulse {
+          0%, 100% { opacity: 1; }
+          50% { opacity: 0.5; }
+        }
+        @keyframes thinking {
+          0%, 80%, 100% { transform: scale(0); }
+          40% { transform: scale(1); }
+        }
+        .pulse-animation { animation: pulse 1.5s ease-in-out infinite; }
+        .thinking-animation { animation: thinking 1.4s ease-in-out infinite both; }
+        .thinking-animation:nth-child(1) { animation-delay: -0.32s; }
+        .thinking-animation:nth-child(2) { animation-delay: -0.16s; }
+        .thinking-animation:nth-child(3) { animation-delay: 0; }
+      `;
+      document.head.appendChild(style);
     }
-
-    .title-container {
-      display: flex;
-      align-items: flex-start;
-      justify-content: space-between;
-    }
-
-    .title-section {
-      flex: 1;
-      min-width: 0;
-    }
-
-    .right-section {
-      display: flex;
-      align-items: center;
-      gap: 12px;
-    }
-
-    .view-selector {
-      background: none;
-      border: 1px solid #e9ecef;
-      border-radius: 6px;
-      padding: 6px 8px;
-      font-size: 14px;
-      font-weight: 500;
-      cursor: pointer;
-      transition: all 0.2s ease;
-      color: #495057;
-      min-width: 60px;
-    }
-
-    .view-selector:hover {
-      background-color: #f8f9fa;
-      border-color: #dee2e6;
-    }
-
-    .view-selector:focus {
-      outline: none;
-      border-color: #007acc;
-      box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
-    }
-
-    .title {
-      font-size: 18px;
-      font-weight: 600;
-      color: #212529;
-      margin: 0;
-    }
-
-    .title a {
-      color: inherit;
-      text-decoration: none;
-      transition: opacity 0.2s ease;
-      display: flex;
-      align-items: center;
-      gap: 8px;
-    }
-
-    .title a:hover {
-      opacity: 0.8;
-      text-decoration: underline;
-    }
-
-    .title img {
-      width: 18px;
-      height: 18px;
-      border-radius: 3px;
-    }
-
-    .status-indicator {
-      display: flex;
-      align-items: center;
-      gap: 8px;
-      font-size: 14px;
-    }
-
-    .status-dot {
-      width: 8px;
-      height: 8px;
-      border-radius: 50%;
-      flex-shrink: 0;
-    }
-
-    .status-dot.connected {
-      background-color: #28a745;
-    }
-
-    .status-dot.connecting {
-      background-color: #ffc107;
-      animation: pulse 1.5s ease-in-out infinite;
-    }
-
-    .status-dot.disconnected {
-      background-color: #dc3545;
-    }
-
-    .thinking-indicator {
-      display: flex;
-      align-items: center;
-      gap: 6px;
-      color: #6c757d;
-      font-size: 13px;
-    }
-
-    .thinking-dots {
-      display: flex;
-      gap: 2px;
-    }
-
-    .thinking-dot {
-      width: 4px;
-      height: 4px;
-      border-radius: 50%;
-      background-color: #6c757d;
-      animation: thinking 1.4s ease-in-out infinite both;
-    }
-
-    .thinking-dot:nth-child(1) {
-      animation-delay: -0.32s;
-    }
-    .thinking-dot:nth-child(2) {
-      animation-delay: -0.16s;
-    }
-    .thinking-dot:nth-child(3) {
-      animation-delay: 0;
-    }
-
-    @keyframes pulse {
-      0%,
-      100% {
-        opacity: 1;
-      }
-      50% {
-        opacity: 0.5;
-      }
-    }
-
-    @keyframes thinking {
-      0%,
-      80%,
-      100% {
-        transform: scale(0);
-      }
-      40% {
-        transform: scale(1);
-      }
-    }
-  `;
+  }
 
   private getStatusText() {
     switch (this.connectionStatus) {
@@ -202,45 +72,67 @@
   }
 
   render() {
+    const statusDotClass =
+      {
+        connected: "bg-green-500",
+        connecting: "bg-yellow-500 pulse-animation",
+        disconnected: "bg-red-500",
+      }[this.connectionStatus] || "bg-gray-500";
+
     return html`
-      <div class="title-container">
-        <div class="title-section">
-          <h1 class="title">
-            ${this.skabandAddr
-              ? html`<a
-                  href="${this.skabandAddr}"
-                  target="_blank"
-                  rel="noopener noreferrer"
-                >
-                  <img src="${this.skabandAddr}/sketch.dev.png" alt="sketch" />
-                  ${this.slug || "Sketch"}
-                </a>`
-              : html`${this.slug || "Sketch"}`}
-          </h1>
-        </div>
+      <div class="block bg-gray-50 border-b border-gray-200 p-3">
+        <div class="flex items-start justify-between">
+          <div class="flex-1 min-w-0">
+            <h1 class="text-lg font-semibold text-gray-900 m-0">
+              ${this.skabandAddr
+                ? html`<a
+                    href="${this.skabandAddr}"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    class="text-inherit no-underline transition-opacity duration-200 flex items-center gap-2 hover:opacity-80 hover:underline"
+                  >
+                    <img
+                      src="${this.skabandAddr}/sketch.dev.png"
+                      alt="sketch"
+                      class="w-[18px] h-[18px] rounded"
+                    />
+                    ${this.slug || "Sketch"}
+                  </a>`
+                : html`${this.slug || "Sketch"}`}
+            </h1>
+          </div>
 
-        <div class="right-section">
-          <select
-            class="view-selector"
-            .value=${this.currentView}
-            @change=${this.handleViewChange}
-          >
-            <option value="chat">Chat</option>
-            <option value="diff">Diff</option>
-          </select>
+          <div class="flex items-center gap-3">
+            <select
+              class="bg-transparent border border-gray-200 rounded px-2 py-1.5 text-sm font-medium cursor-pointer transition-all duration-200 text-gray-700 min-w-[60px] hover:bg-gray-50 hover:border-gray-300 focus:outline-none focus:border-blue-500 focus:shadow-sm focus:ring-2 focus:ring-blue-200"
+              .value=${this.currentView}
+              @change=${this.handleViewChange}
+            >
+              <option value="chat">Chat</option>
+              <option value="diff">Diff</option>
+            </select>
 
-          ${this.isThinking
-            ? html`
-                <div class="thinking-indicator">
-                  <span>thinking</span>
-                  <div class="thinking-dots">
-                    <div class="thinking-dot"></div>
-                    <div class="thinking-dot"></div>
-                    <div class="thinking-dot"></div>
+            ${this.isThinking
+              ? html`
+                  <div class="flex items-center gap-1.5 text-gray-500 text-xs">
+                    <span>thinking</span>
+                    <div class="flex gap-0.5">
+                      <div
+                        class="w-1 h-1 rounded-full bg-gray-500 thinking-animation"
+                      ></div>
+                      <div
+                        class="w-1 h-1 rounded-full bg-gray-500 thinking-animation"
+                      ></div>
+                      <div
+                        class="w-1 h-1 rounded-full bg-gray-500 thinking-animation"
+                      ></div>
+                    </div>
                   </div>
-                </div>
-              `
-            : html` <span class="status-dot ${this.connectionStatus}"></span> `}
+                `
+              : html`<span
+                  class="w-2 h-2 rounded-full flex-shrink-0 ${statusDotClass}"
+                ></span>`}
+          </div>
         </div>
       </div>
     `;