Update interface.py

interface.py

@@ -8,295 +8,570 @@ from ai_logic import (
     inicializar_sistema
 )
 
-def criar_interface():
-    css = """
-    @import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
-    body {
-        font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
-        background-color: #f5f5f5;
-        color: #1f2937;
-        margin: 0;
-        height: 100vh;
-        overflow: hidden;
-    }
-    .gradio-container {
-        max-width: 100% !important;
-        height: 100vh !important;
-        padding: 0 !important;
-        margin: 0 !important;
-        overflow: hidden !important;
-    }
+css_customizado = """
+/* Reset e configurações básicas */
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+body {
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    line-height: 1.5;
+    overflow: hidden;
+}
+
+/* Variáveis para tema claro e escuro */
+:root {
+    --bg-primary: #ffffff;
+    --bg-secondary: #f4f4f5;
+    --bg-input: #f9fafb;
+    --text-primary: #111827;
+    --text-secondary: #6b7280;
+    --accent: #3b82f6;
+    --accent-hover: #2563eb;
+    --border: #e5e7eb;
+    --message-user-bg: #e0f2fe;
+    --message-bot-bg: #f3f4f6;
+}
+
+@media (prefers-color-scheme: dark) {
+    :root {
+        --bg-primary: #0f0f23;
+        --bg-secondary: #1f1f38;
+        --bg-input: #2d2d4a;
+        --text-primary: #ffffff;
+        --text-secondary: #9ca3af;
+        --accent: #60a5fa;
+        --accent-hover: #3b82f6;
+        --border: #2d2d4a;
+        --message-user-bg: #1e40af;
+        --message-bot-bg: #1f2937;
+    }
+}
+
+.gradio-container {
+    background: var(--bg-primary) !important;
+    min-height: 100vh !important;
+    max-width: 100% !important;
+    padding: 0 !important;
+    margin: 0 !important;
+    overflow: hidden !important;
+}
+
+/* Layout principal */
+.main-container {
+    display: flex;
+    height: 100vh;
+    max-height: 100vh;
+    background: var(--bg-primary);
+    overflow: hidden;
+}
+
+/* Sidebar */
+.sidebar {
+    width: 280px;
+    min-width: 280px;
+    background: var(--bg-secondary);
+    border-right: 1px solid var(--border);
+    padding: 16px;
+    overflow-y: auto;
+    height: 100vh;
+    flex-shrink: 0;
+}
+
+.sidebar-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 12px 0;
+    margin-bottom: 16px;
+    border-bottom: 1px solid var(--border);
+}
+
+.new-chat-btn {
+    background: var(--accent) !important;
+    color: #ffffff !important;
+    border: none !important;
+    border-radius: 8px !important;
+    padding: 8px 16px !important;
+    font-size: 14px !important;
+    font-weight: 500 !important;
+    cursor: pointer !important;
+    transition: background 0.2s ease !important;
+}
+
+.new-chat-btn:hover {
+    background: var(--accent-hover) !important;
+}
+
+.sidebar-section h3 {
+    color: var(--text-secondary);
+    font-size: 12px;
+    font-weight: 600;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    margin-bottom: 12px;
+}
+
+/* Área principal */
+.chat-main {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    background: var(--bg-primary);
+    height: 100vh;
+    overflow: hidden;
+}
+
+.chat-header {
+    background: var(--bg-secondary);
+    border-bottom: 1px solid var(--border);
+    padding: 12px 24px;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    flex-shrink: 0;
+    height: 60px;
+}
+
+.chat-title {
+    color: var(--text-primary);
+    font-size: 16px;
+    font-weight: 600;
+}
+
+.chat-title a {
+    color: var(--accent);
+    text-decoration: none;
+}
+
+.chat-title a:hover {
+    text-decoration: underline;
+}
+
+/* Área de mensagens */
+.messages-container {
+    flex: 1;
+    min-height: 0;
+    overflow: hidden;
+    position: relative;
+}
+
+.chatbot {
+    flex: 1;
+    min-height: 0;
+    height: 100%;
+    overflow: hidden;
+    background: transparent !important;
+    border: none !important;
+    padding: 0 !important;
+    margin: 0 !important;
+}
+
+.chatbot > div {
+    height: 100%;
+    overflow-y: auto;
+    padding: 16px 24px;
+    scroll-behavior: smooth;
+}
+
+/* Área de input */
+.input-area {
+    background: var(--bg-primary);
+    padding: 16px 24px;
+    border-top: 1px solid var(--border);
+    flex-shrink: 0;
+    height: 100px;
+    max-height: 100px;
+}
+
+.input-container {
+    max-width: 800px;
+    margin: 0 auto;
+    display: flex;
+    align-items: center;
+}
+
+.input-wrapper {
+    background: var(--bg-input);
+    border: 1px solid var(--border);
+    border-radius: 12px;
+    padding: 12px 16px;
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    width: 100%;
+    transition: border-color 0.2s ease;
+}
+
+.input-wrapper:focus-within {
+    border-color: var(--accent);
+    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
+}
+
+#entrada_usuario textarea {
+    background: transparent !important;
+    border: none !important;
+    color: var(--text-primary) !important;
+    font-size: 16px !important;
+    line-height: 1.5 !important;
+    resize: none !important;
+    outline: none !important;
+    min-height: 24px !important;
+    max-height: 48px !important;
+    height: 24px !important;
+    padding: 0 !important;
+    margin: 0 !important;
+    overflow-y: auto !important;
+    width: 100% !important;
+}
+
+#entrada_usuario textarea::placeholder {
+    color: var(--text-secondary) !important;
+}
+
+.send-button {
+    width: 36px;
+    height: 36px;
+    background: var(--accent) !important;
+    border: none !important;
+    border-radius: 8px !important;
+    color: #ffffff !important;
+    cursor: pointer !important;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: background 0.2s ease;
+}
+
+.send-button:hover:not(:disabled) {
+    background: var(--accent-hover) !important;
+}
+
+.send-button:disabled {
+    background: var(--text-secondary) !important;
+    cursor: not-allowed !important;
+}
+
+/* Estilo das mensagens */
+.message {
+    padding: 12px 0;
+    border-bottom: 1px solid var(--border);
+    animation: fadeIn 0.3s ease-out;
+}
+
+.message-content {
+    max-width: 800px;
+    margin: 0 auto;
+    padding: 0 24px;
+    display: flex;
+    gap: 12px;
+    align-items: flex-start;
+}
+
+.message-avatar {
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+    flex-shrink: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 18px;
+    font-weight: 600;
+}
+
+.user-avatar {
+    background: var(--accent);
+    color: #ffffff;
+}
+
+.bot-avatar {
+    background: #6b7280;
+    color: #ffffff;
+}
+
+.message-text {
+    flex: 1;
+    line-height: 1.6;
+    font-size: 16px;
+    color: var(--text-primary);
+}
+
+.message.user {
+    background: var(--message-user-bg);
+}
+
+.message.assistant {
+    background: var(--message-bot-bg);
+}
+
+/* Estilo para código */
+.message pre {
+    background: var(--bg-secondary) !important;
+    border: 1px solid var(--border) !important;
+    border-radius: 8px !important;
+    padding: 12px !important;
+    margin: 12px 0 !important;
+    overflow-x: auto !important;
+    font-family: 'JetBrains Mono', monospace !important;
+    font-size: 14px !important;
+}
+
+.message code {
+    background: rgba(0, 0, 0, 0.05) !important;
+    padding: 2px 6px !important;
+    border-radius: 4px !important;
+    font-family: 'JetBrains Mono', monospace !important;
+}
+
+.message pre code {
+    background: transparent !important;
+    padding: 0 !important;
+}
+
+/* Links */
+.message a {
+    color: var(--accent) !important;
+    text-decoration: none !important;
+}
+
+.message a:hover {
+    text-decoration: underline !important;
+}
+
+/* Listas */
+.message ul, .message ol {
+    margin: 12px 0 !important;
+    padding-left: 24px !important;
+}
+
+.message li {
+    margin: 6px 0 !important;
+}
+
+/* Tabelas */
+.message table {
+    border-collapse: collapse !important;
+    width: 100% !important;
+    margin: 16px 0 !important;
+    background: var(--bg-secondary) !important;
+    border-radius: 8px !important;
+}
+
+.message th, .message td {
+    border: 1px solid var(--border) !important;
+    padding: 12px !important;
+    text-align: left !important;
+}
+
+.message th {
+    background: rgba(0, 0, 0, 0.05) !important;
+    font-weight: 600 !important;
+}
+
+/* Scrollbar */
+::-webkit-scrollbar {
+    width: 6px;
+}
+
+::-webkit-scrollbar-track {
+    background: var(--bg-secondary);
+}
+
+::-webkit-scrollbar-thumb {
+    background: var(--text-secondary);
+    border-radius: 3px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+    background: var(--accent);
+}
+
+/* Responsividade */
+@media (max-width: 768px) {
     .main-container {
-        display: flex;
-        height: 100vh;
-        max-height: 100vh;
-        overflow: hidden;
+        flex-direction: column;
     }
+    
     .sidebar {
-        width: 280px;
-        background-color: #ffffff;
-        border-right: 1px solid #e5e7eb;
-        padding: 1.5rem;
-        overflow-y: auto;
-        flex-shrink: 0;
-        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
+        width: 100%;
+        height: 180px;
+        max-height: 180px;
+        border-right: none;
+        border-bottom: 1px solid var(--border);
     }
+    
     .chat-main {
-        flex: 1;
-        display: flex;
-        flex-direction: column;
-        background-color: #f5f5f5;
-        height: 100vh;
-        overflow: hidden;
-    }
-    .chat-header {
-        background-color: #ffffff;
-        border-bottom: 1px solid #e5e7eb;
-        padding: 1rem 1.5rem;
-        text-align: center;
-        flex-shrink: 0;
+        height: calc(100vh - 180px);
     }
+    
     .messages-container {
-        flex: 1;
-        overflow-y: auto;
-        padding: 1.5rem;
-        background-color: #f5f5f5;
-        scroll-behavior: smooth;
+        max-height: calc(100vh - 280px);
     }
+    
     .input-area {
-        background-color: #ffffff;
-        border-top: 1px solid #e5e7eb;
-        padding: 1rem 1.5rem;
-        flex-shrink: 0;
-    }
-    .input-container {
-        max-width: 800px;
-        margin: 0 auto;
-        display: flex;
-        align-items: center;
-        gap: 0.5rem;
-    }
-    .input-wrapper {
-        flex: 1;
-        background-color: #f3f4f6;
-        border: 1px solid #d1d5db;
-        border-radius: 0.5rem;
-        padding: 0.75rem;
-        display: flex;
-        align-items: center;
-        transition: all 0.2s ease;
-    }
-    .input-wrapper:focus-within {
-        border-color: #3b82f6;
-        box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
-    }
-    #entrada_usuario textarea {
-        background: transparent !important;
-        border: none !important;
-        color: #1f2937 !important;
-        font-size: 1rem !important;
-        line-height: 1.5 !important;
-        resize: none !important;
-        outline: none !important;
-        width: 100% !important;
-        min-height: 24px !important;
-        max-height: 80px !important;
-        overflow-y: auto !important;
-    }
-    #entrada_usuario textarea::placeholder {
-        color: #6b7280 !important;
-    }
-    .send-button {
-        background-color: #3b82f6 !important;
-        color: white !important;
-        border: none !important;
-        border-radius: 0.375rem !important;
-        padding: 0.5rem !important;
-        cursor: pointer !important;
-        transition: background-color 0.2s ease !important;
-    }
-    .send-button:hover:not(:disabled) {
-        background-color: #2563eb !important;
-    }
-    .send-button:disabled {
-        background-color: #9ca3af !important;
-        cursor: not-allowed !important;
-    }
-    .message {
-        margin-bottom: 1.5rem;
-        display: flex;
-        gap: 0.75rem;
-        max-width: 800px;
-        margin-left: auto;
-        margin-right: auto;
-    }
-    .message.user .message-content {
-        background-color: #dbeafe;
-        border-radius: 0.5rem 0.5rem 0 0.5rem;
-        padding: 0.75rem 1rem;
-    }
-    .message.assistant .message-content {
-        background-color: #ffffff;
-        border: 1px solid #e5e7eb;
-        border-radius: 0.5rem 0.5rem 0.5rem 0;
-        padding: 0.75rem 1rem;
-        box-shadow: 0 1px 2px rgba(0,0,0,0.05);
-    }
+        padding: 12px 16px;
+        height: 80px;
+        max-height: 80px;
+    }
+    
+    .message-content {
+        padding: 0 16px;
+        gap: 10px;
+    }
+    
+    .message-avatar {
+        width: 32px;
+        height: 32px;
+        font-size: 16px;
+    }
+    
     .message-text {
-        font-size: 1rem;
-        line-height: 1.5;
-    }
-    .model-selector {
-        width: 100%;
-        padding: 0.5rem;
-        border-radius: 0.375rem;
-        border: 1px solid #d1d5db;
-        background-color: #f9fafb;
-    }
-    .accordion {
-        border: 1px solid #e5e7eb !important;
-        border-radius: 0.375rem !important;
-        margin-bottom: 1rem !important;
-        background-color: #f9fafb !important;
-    }
-    .accordion summary {
-        padding: 0.75rem !important;
-        font-weight: 500 !important;
-        cursor: pointer !important;
-    }
-    .accordion[open] summary {
-        border-bottom: 1px solid #e5e7eb !important;
-    }
-    .accordion .gr-panel {
-        padding: 1rem !important;
-    }
-    pre, code {
-        font-family: 'Fira Code', monospace !important;
-        background-color: #1f2937 !important;
-        color: #f9fafb !important;
-        border-radius: 0.375rem !important;
-        padding: 0.75rem !important;
-    }
-    pre {
-        overflow-x: auto;
-    }
-    code {
-        padding: 0.2rem 0.4rem !important;
-    }
-    a {
-        color: #3b82f6 !important;
-        text-decoration: none !important;
-    }
-    a:hover {
-        text-decoration: underline !important;
-    }
-    @media (max-width: 768px) {
-        .main-container {
-            flex-direction: column;
-        }
-        .sidebar {
-            width: 100%;
-            height: auto;
-            max-height: 200px;
-            border-right: none;
-            border-bottom: 1px solid #e5e7eb;
-        }
-        .chat-main {
-            height: calc(100vh - 200px);
-        }
-        .messages-container {
-            padding: 1rem;
-        }
-        .input-area {
-            padding: 0.75rem;
-        }
-        .message {
-            margin-bottom: 1rem;
-        }
+        font-size: 15px;
     }
-    .loading-indicator {
-        color: #6b7280;
-        font-style: italic;
-        display: flex;
-        align-items: center;
-        gap: 0.5rem;
-    }
-    .loading-dots span {
-        width: 0.25rem;
-        height: 0.25rem;
-        background-color: #6b7280;
-        border-radius: 50%;
-        animation: pulse 1.4s ease-in-out infinite;
-    }
-    .loading-dots span:nth-child(1) { animation-delay: -0.32s; }
-    .loading-dots span:nth-child(2) { animation-delay: -0.16s; }
-    .loading-dots span:nth-child(3) { animation-delay: 0s; }
-    @keyframes pulse {
-        0%, 80%, 100% { opacity: 0.3; }
-        40% { opacity: 1; }
-    }
-    """
+}
+
+/* Animações */
+@keyframes fadeIn {
+    from { opacity: 0; transform: translateY(8px); }
+    to { opacity: 1; transform: translateY(0); }
+}
+
+/* Loading */
+.loading-indicator {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    color: var(--text-secondary);
+    font-style: italic;
+}
+
+.loading-dots span {
+    width: 5px;
+    height: 5px;
+    background: var(--text-secondary);
+    border-radius: 50%;
+    animation: pulse 1.2s ease-in-out infinite;
+}
+
+.loading-dots span:nth-child(1) { animation-delay: -0.24s; }
+.loading-dots span:nth-child(2) { animation-delay: -0.12s; }
+.loading-dots span:nth-child(3) { animation-delay: 0s; }
+
+@keyframes pulse {
+    0%, 80%, 100% { opacity: 0.3; }
+    40% { opacity: 1; }
+}
+
+/* Gradio components */
+.gr-textbox, .gr-dropdown {
+    background: transparent !important;
+    border: none !important;
+    color: var(--text-primary) !important;
+}
+
+.gr-dropdown {
+    background: var(--bg-input) !important;
+    border: 1px solid var(--border) !important;
+    border-radius: 8px !important;
+}
+
+.gr-accordion {
+    background: transparent !important;
+    border: 1px solid var(--border) !important;
+    border-radius: 8px !important;
+}
+
+.gr-accordion summary {
+    background: var(--bg-input) !important;
+    color: var(--text-primary) !important;
+    padding: 12px !important;
+    border-radius: 8px !important;
+}
+
+.gr-accordion[open] summary {
+    border-bottom: 1px solid var(--border) !important;
+    border-radius: 8px 8px 0 0 !important;
+}
 
-    with gr.Blocks(title="Dr. Aldo Henrique - iAldo AI Assistant", css=css) as interface:
+.gr-accordion .gr-panel {
+    background: var(--bg-secondary) !important;
+    padding: 12px !important;
+    border-radius: 0 0 8px 8px !important;
+}
+"""
+
+def criar_interface():
+    with gr.Blocks(title="Dr. Aldo Henrique - iAldo AI Assistant", theme=gr.themes.Base(), css=css_customizado) as interface:
         session_id_state = gr.State(str(uuid.uuid4()))
 
         with gr.Row(elem_classes="main-container"):
+            # Sidebar
             with gr.Column(elem_classes="sidebar", scale=0, min_width=280):
                 gr.HTML("""
-                <div class="flex items-center justify-between mb-6">
-                    <h2 class="text-xl font-semibold text-blue-600">iAldo AI</h2>
+                <div class="sidebar-header">
+                    <h2 style="color: var(--accent); font-size: 20px; font-weight: 600;">iAldo AI</h2>
+                    <button class="new-chat-btn">Novo Chat</button>
                 </div>
                 """)
+                
                 with gr.Group():
-                    gr.HTML('<h3 class="text-sm font-semibold text-gray-500 uppercase mb-2">🧠 Modelo de IA</h3>')
+                    gr.HTML('<h3>🧠 Modelo de IA</h3>')
                     modelo_select = gr.Dropdown(
                         choices=list(MODELS.keys()),
                         value="Llama 3.2 3B",
+                        label="",
                         show_label=False,
                         elem_classes="model-selector",
                         container=False
                     )
-                with gr.Accordion("🔧 Status API", open=False, elem_classes="accordion"):
-                    status_api = gr.Textbox(
-                        value="✅ Modelos carregados com sucesso!",
-                        interactive=False,
-                        lines=4,
-                        show_label=False
-                    )
-                with gr.Accordion("ℹ️ Sobre", open=False, elem_classes="accordion"):
-                    gr.Markdown("""
-                    **Dr. Aldo Henrique**
 
-                    - Especialista em C/C++, Java
-                    - Desenvolvimento Web & IA
-                    - Conteúdo: [aldohenrique.com.br](https://aldohenrique.com.br/)
+                with gr.Accordion("🔧 Status API", open=False, elem_classes="sidebar-section"):
+                    status_api = gr.Textbox(label="", interactive=False, lines=4, show_label=False,
+                                          value="✅ Modelos carregados com sucesso!")
 
+                with gr.Accordion("ℹ️ Sobre", open=False, elem_classes="sidebar-section"):
+                    gr.Markdown("""
+                    **Dr. Aldo Henrique**
+                    
+                    • Especialista em C/C++, Java
+                    • Desenvolvimento Web & IA
+                    • Conteúdo: aldohenrique.com.br
+                    
                     **Dicas:**
-                    - Faça perguntas específicas
-                    - Use o RAG para consultar o blog
-                    - Experimente diferentes modelos
+                    • Faça perguntas específicas
+                    • Use o RAG para consultar o blog
+                    • Experimente diferentes modelos
                     """)
 
+            # Área principal
             with gr.Column(elem_classes="chat-main", scale=1):
                 gr.HTML("""
                 <div class="chat-header">
-                    <div class="text-lg font-semibold text-gray-800">
-                        🤖 Conversando com <a href="https://aldohenrique.com.br/" target="_blank" class="text-blue-600">Prof. Dr. Aldo Henrique</a>
+                    <div class="chat-title">
+                        🤖 Conversando com <a href="https://aldohenrique.com.br/" target="_blank">Prof. Dr. Aldo Henrique</a>
                     </div>
                 </div>
                 """)
+
                 with gr.Column(elem_classes="messages-container"):
                     chatbot = gr.Chatbot(
+                        label="",
+                        elem_id="chat",
                         show_label=False,
                         container=False,
                         elem_classes="chatbot",
-                        avatar_images=(
-                            "https://cdn-icons-png.flaticon.com/256/9055/9055398.png",
-                            "https://cdn.iconscout.com/icon/premium/png-256-thumb/robo-97-415007.png"
-                        ),
+                        avatar_images=("https://cdn-icons-png.flaticon.com/256/9055/9055398.png", 
+                                       "https://cdn.iconscout.com/icon/premium/png-256-thumb/robo-97-415007.png"),
                         bubble_full_width=False,
                         height="100%"
                     )
+
                 with gr.Column(elem_classes="input-area"):
                     with gr.Row(elem_classes="input-container"):
                         with gr.Column(elem_classes="input-wrapper", scale=1):
@@ -304,21 +579,25 @@ def criar_interface():
                                 show_label=False,
                                 placeholder="Digite sua mensagem aqui...",
                                 lines=1,
-                                max_lines=3,
                                 elem_id="entrada_usuario",
-                                container=False
+                                max_lines=2,
+                                container=False,
+                                scale=1
                             )
-                            enviar_btn = gr.Button("➤", variant="primary", elem_classes="send-button")
+                            enviar_btn = gr.Button("➤", variant="primary", size="sm", elem_classes="send-button")
 
         def responder(chat_history, user_msg, modelo, session_id):
             if not user_msg.strip():
                 return chat_history, ""
-            chat_history = chat_history + [[user_msg, '<div class="loading-indicator">🤔 Dr. Aldo está pensando... <span class="loading-dots"><span></span><span></span><span></span></span></div>']]
+
+            chat_history = chat_history + [[user_msg, "🤔 Dr. Aldo está pensando..."]]
             yield chat_history, ""
+
             try:
                 resposta_final = responder_como_aldo(session_id, user_msg, modelo)
                 chat_history[-1][1] = resposta_final
                 yield chat_history, ""
+                
             except Exception as e:
                 chat_history[-1][1] = f"❌ Desculpe, ocorreu um erro: {str(e)}"
                 yield chat_history, ""
@@ -329,6 +608,7 @@ def criar_interface():
             outputs=[chatbot, user_input],
             show_progress=False
         )
+
         user_input.submit(
             fn=responder,
             inputs=[chatbot, user_input, modelo_select, session_id_state],
@@ -338,29 +618,64 @@ def criar_interface():
 
         gr.HTML("""
         <script>
-        document.addEventListener('DOMContentLoaded', () => {
-            const textarea = document.querySelector("#entrada_usuario textarea");
-            if (textarea) {
-                textarea.style.height = "auto";
-                textarea.style.overflowY = "hidden";
-                const adjustHeight = () => {
-                    textarea.style.height = "auto";
-                    textarea.style.height = Math.min(textarea.scrollHeight, 80) + "px";
-                };
-                textarea.addEventListener('input', adjustHeight);
-                textarea.addEventListener('paste', () => setTimeout(adjustHeight, 0));
-                setTimeout(() => textarea.focus(), 300);
+        (function() {
+            let initialized = false;
+            
+            function initLayout() {
+                if (initialized) return;
+                initialized = true;
+                
+                const mainContainer = document.querySelector('.main-container');
+                if (mainContainer) {
+                    mainContainer.style.height = '100vh';
+                    mainContainer.style.maxHeight = '100vh';
+                    mainContainer.style.overflow = 'hidden';
+                }
+                
+                const chatMain = document.querySelector('.chat-main');
+                if (chatMain) {
+                    chatMain.style.height = '100vh';
+                    chatMain.style.maxHeight = '100vh';
+                    chatMain.style.display = 'flex';
+                    chatMain.style.flexDirection = 'column';
+                }
+                
+                const messagesContainer = document.querySelector('.messages-container');
+                if (messagesContainer) {
+                    messagesContainer.style.flex = '1';
+                    messagesContainer.style.minHeight = '0';
+                    messagesContainer.style.overflow = 'hidden';
+                }
+                
+                const textarea = document.querySelector("#entrada_usuario textarea");
+                if (textarea) {
+                    textarea.style.height = "24px";
+                    textarea.style.minHeight = "24px";
+                    textarea.style.maxHeight = "48px";
+                    textarea.style.resize = "none";
+                    textarea.style.overflowY = "hidden";
+                    
+                    function autoResize() {
+                        textarea.style.height = "24px";
+                        const newHeight = Math.min(textarea.scrollHeight, 48);
+                        textarea.style.height = Math.max(newHeight, 24) + "px";
+                        textarea.style.overflowY = textarea.scrollHeight > 48 ? "auto" : "hidden";
+                    }
+                    
+                    textarea.addEventListener('input', autoResize);
+                    textarea.addEventListener('paste', () => setTimeout(autoResize, 0));
+                    setTimeout(() => textarea.focus(), 300);
+                }
             }
-
-            const messagesContainer = document.querySelector('.messages-container');
-            if (messagesContainer) {
-                messagesContainer.scrollTop = messagesContainer.scrollHeight;
-                const observer = new MutationObserver(() => {
-                    messagesContainer.scrollTop = messagesContainer.scrollHeight;
-                });
-                observer.observe(messagesContainer, { childList: true, subtree: true });
+            
+            if (document.readyState === 'loading') {
+                document.addEventListener('DOMContentLoaded', initLayout);
+            } else {
+                setTimeout(initLayout, 100);
             }
-        });
+            
+            setTimeout(initLayout, 1000);
+        })();
         </script>
         """)
 
@@ -382,11 +697,11 @@ def inicializar_sistema_sync():
             return asyncio.run(inicializar_sistema())
     except Exception as e:
         print(f"Erro na inicialização: {e}")
-        return False, {}
+        return False, {}    
 
 def configurar_interface():
     try:
-        status, available_models = inicializar_sistema_sync()
+        status, available_models = inicializar_sistema()
         if status:
             return criar_interface()
         else: