:root{--bg-color: #ffffff;--card-bg: #ffffff;--text-primary: #333333;--text-secondary: #666666;--text-muted: #999999;--border-color: #e0e0e0;--input-bg: #ffffff;--input-border: #d0d0d0;--button-bg: #f5f5f5;--button-hover: #e5e5e5;--shadow: rgba(0, 0, 0, .1);--shadow-strong: rgba(0, 0, 0, .2);--accent-color: #007acc;--success-color: #28a745;--neutral-color: #6c757d;--chat-bg: #f8f9fa;--message-user-bg: #007acc;--message-user-text: #ffffff;--message-assistant-bg: #e9ecef;--message-assistant-text: #333333;--message-border: #dee2e6;--code-bg: #f8f9fa}[data-theme=dark]{--bg-color: #1a1a1a;--card-bg: #2d2d2d;--text-primary: #ffffff;--text-secondary: #cccccc;--text-muted: #999999;--border-color: #444444;--input-bg: #333333;--input-border: #555555;--button-bg: #404040;--button-hover: #505050;--shadow: rgba(0, 0, 0, .3);--shadow-strong: rgba(0, 0, 0, .5);--accent-color: #4dabf7;--success-color: #51cf66;--neutral-color: #adb5bd;--chat-bg: #252525;--message-user-bg: #4dabf7;--message-user-text: #ffffff;--message-assistant-bg: #3d3d3d;--message-assistant-text: #ffffff;--message-border: #555555;--code-bg: #2d2d2d}*{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-color);color:var(--text-primary);line-height:1.5;transition:background-color .3s ease,color .3s ease}#app{height:100vh;display:flex;flex-direction:column}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--bg-color)}.auth-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:2rem;box-shadow:0 4px 6px var(--shadow);text-align:center;max-width:400px;width:100%;margin:1rem}.auth-card h1{font-size:2rem;margin-bottom:1rem;color:var(--text-primary)}.auth-card p{color:var(--text-secondary);margin-bottom:2rem}.connect-btn{background:var(--accent-color);color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s ease;width:100%}.connect-btn:hover{background:#0056b3}.credits{margin-top:2rem;font-size:.9rem;color:var(--text-muted)}.credits a{color:var(--accent-color);text-decoration:none}.credits a:hover{text-decoration:underline}.chat-wrapper{display:flex;height:100vh;overflow:hidden}.sidebar{width:300px;background:var(--card-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;transition:transform .3s ease}.sidebar.collapsed{transform:translate(-100%)}.sidebar-header{padding:1rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.sidebar-header h2{font-size:1.2rem;color:var(--text-primary)}.new-conversation-btn{background:var(--accent-color);color:#fff;border:none;padding:6px 12px;border-radius:6px;font-size:.9rem;cursor:pointer}.conversations-list{flex:1;overflow-y:auto;padding:.5rem}.conversation-item{padding:.75rem;margin-bottom:.5rem;background:var(--button-bg);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;transition:background-color .2s ease}.conversation-item:hover{background:var(--button-hover)}.conversation-item.active{background:var(--accent-color);color:#fff}.conversation-title{font-weight:500;margin-bottom:.25rem}.conversation-preview{font-size:.85rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-section{border-top:1px solid var(--border-color);padding:1rem}.sidebar-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.sidebar-section h3{font-size:1rem;color:var(--text-primary)}.memory-controls{display:flex;gap:.25rem}.sidebar-btn{background:none;border:1px solid var(--border-color);padding:4px 8px;border-radius:4px;cursor:pointer;font-size:.8rem;transition:background-color .2s ease}.sidebar-btn:hover{background:var(--button-hover)}.memories-list{max-height:200px;overflow-y:auto}.memory-item{padding:.5rem;margin-bottom:.25rem;background:var(--input-bg);border:1px solid var(--border-color);border-radius:6px;font-size:.85rem}.sidebar-toggle{position:absolute;right:-30px;top:50%;transform:translateY(-50%);background:var(--card-bg);border:1px solid var(--border-color);border-left:none;padding:8px 6px;border-radius:0 6px 6px 0;cursor:pointer;z-index:10}.chat-container{flex:1;display:flex;flex-direction:column;background:var(--chat-bg)}.chat-header{background:var(--card-bg);border-bottom:1px solid var(--border-color);padding:1rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.header-left{display:flex;align-items:center;gap:1rem}.mobile-nav-btn{display:none;background:none;border:1px solid var(--border-color);padding:8px;border-radius:6px;cursor:pointer}.header-left h1{font-size:1.5rem;color:var(--text-primary)}.header-controls{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.control-group{display:flex;align-items:center;gap:.5rem}.control-group label{font-size:.9rem;color:var(--text-secondary);white-space:nowrap}.prompt-selector,.model-selector{background:var(--input-bg);border:1px solid var(--input-border);border-radius:6px;padding:6px 12px;color:var(--text-primary);font-size:.9rem}.header-buttons{display:flex;gap:.5rem;align-items:center}.utility-btn{background:var(--button-bg);border:1px solid var(--border-color);padding:8px 12px;border-radius:6px;cursor:pointer;font-size:.85rem;color:var(--text-primary);transition:background-color .2s ease}.utility-btn:hover{background:var(--button-hover)}.utility-btn.active{background:var(--accent-color);color:#fff;border-color:var(--accent-color)}.disconnect-btn{background:#dc3545;color:#fff;border:none;padding:8px 12px;border-radius:6px;cursor:pointer;font-size:.85rem}.disconnect-btn:hover{background:#c82333}.chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:1rem}.message{max-width:80%;padding:1rem;border-radius:12px;border:1px solid var(--message-border);position:relative}.message.user{align-self:flex-end;background:var(--message-user-bg);color:var(--message-user-text)}.message.assistant{align-self:flex-start;background:var(--message-assistant-bg);color:var(--message-assistant-text)}.message.system{align-self:center;background:var(--neutral-color);color:#fff;font-style:italic;max-width:60%}.message-content{line-height:1.6}.message-content p{margin-bottom:.5rem}.message-content p:last-child{margin-bottom:0}.message-content pre{background:var(--code-bg);border:1px solid var(--border-color);border-radius:6px;padding:1rem;overflow-x:auto;margin:.5rem 0}.message-content code{background:var(--code-bg);padding:2px 4px;border-radius:3px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.9em}.message-content pre code{background:none;padding:0}.message-actions{position:absolute;top:-8px;right:8px;display:flex;gap:4px;opacity:0;transition:opacity .2s ease}.message:hover .message-actions{opacity:1}.message-action-btn{background:var(--card-bg);border:1px solid var(--border-color);border-radius:4px;padding:4px 8px;cursor:pointer;font-size:.75rem;color:var(--text-secondary)}.message-action-btn:hover{background:var(--button-hover)}.chat-input-container{background:var(--card-bg);border-top:1px solid var(--border-color);padding:1rem;display:flex;gap:.5rem;align-items:flex-end}.chat-input{flex:1;background:var(--input-bg);border:1px solid var(--input-border);border-radius:8px;padding:12px;color:var(--text-primary);font-family:inherit;font-size:1rem;resize:vertical;min-height:50px;max-height:150px}.chat-input:focus{outline:none;border-color:var(--accent-color)}.chat-buttons{display:flex;gap:.5rem;align-items:center}.send-btn{background:var(--accent-color);color:#fff;border:none;border-radius:8px;padding:12px 20px;cursor:pointer;font-size:1rem;font-weight:500;transition:background-color .2s ease}.send-btn:hover:not(:disabled){background:#0056b3}.send-btn:disabled{background:var(--neutral-color);cursor:not-allowed}.stop-btn{background:#dc3545;color:#fff;border:none;border-radius:8px;padding:12px 20px;cursor:pointer;font-size:1rem;font-weight:500;transition:background-color .2s ease}.stop-btn:hover{background:#c82333}.delete-btn{background:#dc3545;color:#fff;border:none;border-radius:4px;padding:4px 8px;cursor:pointer;font-size:.75rem;margin-left:4px;transition:background-color .2s ease}.delete-btn:hover{background:#c82333}.mobile-nav-modal{position:fixed;inset:0;background:var(--card-bg);z-index:1000;display:flex;flex-direction:column}.mobile-nav-header{background:var(--card-bg);border-bottom:1px solid var(--border-color);padding:1rem;display:flex;justify-content:space-between;align-items:center}.mobile-nav-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-primary)}.mobile-nav-content{flex:1;overflow-y:auto;padding:1rem}.mobile-nav-section{margin-bottom:2rem}.mobile-nav-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.mobile-nav-btn-secondary{background:var(--accent-color);color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:.9rem;cursor:pointer}.mobile-memory-controls{display:flex;gap:.5rem}.mobile-nav-btn-small{background:var(--button-bg);border:1px solid var(--border-color);padding:6px 10px;border-radius:4px;cursor:pointer;font-size:.8rem}.mobile-conversations-list,.mobile-memories-list{display:flex;flex-direction:column;gap:.5rem}.hidden{display:none!important}@media (max-width: 768px){.sidebar{position:fixed;left:0;top:0;height:100vh;z-index:100;transform:translate(-100%)}.sidebar.show{transform:translate(0)}.chat-container{width:100%}.mobile-nav-btn{display:block}.header-controls{flex-direction:column;align-items:stretch;gap:.5rem}.header-buttons{flex-wrap:wrap;justify-content:center}.utility-btn{font-size:.8rem;padding:6px 10px}.message{max-width:95%}.chat-input-container{flex-direction:column;gap:.5rem}.chat-buttons{width:100%}.send-btn,.stop-btn{flex:1}}@media (max-width: 480px){.auth-card{margin:.5rem;padding:1.5rem}.chat-header{padding:.75rem}.header-left h1{font-size:1.25rem}.utility-btn{font-size:.75rem;padding:5px 8px}.chat-messages{padding:.75rem}.message{padding:.75rem;font-size:.9rem}}