.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#e6217c,#ff2d87);padding:20px}.login-card{background:#fff;border-radius:12px;padding:40px;width:100%;max-width:420px;box-shadow:0 10px 40px #0000001a}.logo-container{display:flex;justify-content:center;margin-bottom:20px}.logo{max-width:150px;height:auto}.login-card h1{font-size:1.8rem;color:#e6217c;margin-bottom:8px}.login-card h2{font-size:1.4rem;color:#333;margin-bottom:24px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#555;font-weight:500}.form-group input{width:100%;padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:border-color .3s}.form-group input:focus{outline:none;border-color:#e6217c}.primary-button{width:100%;padding:12px;background:linear-gradient(135deg,#e6217c,#ff2d87);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s}.error-message{background:#fee;color:#c33;padding:12px;border-radius:8px;margin-bottom:20px;border:1px solid #fcc}.signup-link{text-align:center;margin-top:24px;color:#666}.signup-link a{color:#e6217c;text-decoration:none;font-weight:500}.signup-link a:hover{text-decoration:underline}.dashboard{display:flex;height:100vh;overflow:hidden}.sidebar{width:280px;background:#2d3748;color:#fff;display:flex;flex-direction:column;border-right:1px solid #4a5568}.sidebar-header{padding:24px;border-bottom:1px solid #4a5568;display:flex;align-items:center;gap:12px}.logo-small{width:40px;height:40px;object-fit:contain}.sidebar-header h1{font-size:1.5rem;color:#e6217c;margin:0}.new-chat-section{padding:16px}.new-chat-button{width:100%;padding:12px;background:#e6217c;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .2s}.new-chat-button:hover{background:#c41a6b}.chats-list{flex:1;overflow-y:auto;padding:8px}.chat-item{display:flex;align-items:center;justify-content:space-between;padding:12px;margin-bottom:4px;border-radius:8px;cursor:pointer;transition:background .2s}.chat-item:hover{background:#4a5568}.chat-title{flex:1;font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.delete-button{background:transparent;border:none;color:#cbd5e0;cursor:pointer;padding:4px;border-radius:4px;opacity:0;transition:opacity .2s,color .2s}.chat-item:hover .delete-button{opacity:1}.delete-button:hover{color:#fc8181}.sidebar-footer{padding:16px;border-top:1px solid #4a5568;display:flex;flex-direction:column;gap:8px}.profile-link,.logout-button{display:flex;align-items:center;gap:8px;padding:12px;background:transparent;color:#cbd5e0;border:none;border-radius:8px;font-size:.9rem;cursor:pointer;transition:background .2s,color .2s;text-decoration:none}.profile-link:hover,.logout-button:hover{background:#4a5568;color:#fff}.main-content{flex:1;display:flex;align-items:center;justify-content:center;background:#f8f8f8}.welcome-message{text-align:center;max-width:500px;padding:40px}.welcome-message h2{font-size:2rem;color:#2d3748;margin-bottom:16px}.welcome-message p{font-size:1.2rem;color:#718096;margin-bottom:32px}.loading,.empty-state{padding:40px;text-align:center;color:#a0aec0}.empty-state p{font-size:.9rem;color:#cbd5e0}.chat-container{display:flex;flex-direction:column;height:100vh;background:#f8f8f8}.chat-header{background:#fff;padding:16px 24px;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 3px #0000001a}.chat-header h2{color:#2d3748;font-size:1.2rem}.back-button,.settings-button{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#edf2f7;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;color:#4a5568;transition:background .2s}.back-button:hover,.settings-button:hover{background:#e2e8f0}.messages-container{flex:1;overflow-y:auto;padding:24px;background:#f8f8f8}.loading,.welcome-chat{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:#718096}.welcome-chat h3{color:#2d3748;margin-bottom:12px}.welcome-chat .note{font-size:.85rem;color:#cbd5e0;margin-top:20px;padding:12px;background:#edf2f7;border-radius:8px}.messages-list{max-width:800px;margin:0 auto}.message{margin-bottom:16px;display:flex;flex-direction:column}.user-message{align-items:flex-end}.assistant-message{align-items:flex-start}.message-content{max-width:70%;padding:12px 16px;border-radius:12px;line-height:1.5;word-wrap:break-word}.user-message .message-content{background:linear-gradient(135deg,#e6217c,#ff2d87);color:#fff;border-bottom-right-radius:4px}.assistant-message .message-content{background:#fff;color:#2d3748;border:1px solid #e2e8f0;border-bottom-left-radius:4px}.diagnosis-badge{font-size:.75rem;color:#c05621;margin-top:4px;padding:4px 8px;background:#feb2b2;border-radius:4px;align-self:flex-end}.chat-input-form{background:#fff;padding:16px 24px;border-top:1px solid #e2e8f0;display:flex;gap:12px;align-items:center;box-shadow:0 -1px 3px #0000001a}.chat-input{flex:1;padding:12px 16px;border:2px solid #e2e8f0;border-radius:24px;font-size:1rem;outline:none;transition:border-color .2s}.chat-input:focus{border-color:#667eea}.send-button{padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s}.send-button:hover:not(:disabled){transform:scale(1.05)}.send-button:disabled{opacity:.5;cursor:not-allowed}.profile-container{height:100vh;display:flex;flex-direction:column;background:#f8f8f8}.profile-header{background:#fff;padding:16px 24px;border-bottom:1px solid #e2e8f0}.back-button{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#edf2f7;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;color:#4a5568;transition:background .2s}.back-button:hover{background:#e2e8f0}.profile-content{flex:1;overflow-y:auto;padding:40px;display:flex;justify-content:center}.profile-card{background:#fff;border-radius:12px;padding:40px;width:100%;max-width:600px;box-shadow:0 4px 6px #0000001a}.profile-card h2{font-size:1.8rem;color:#2d3748;margin-bottom:8px}.subtitle{color:#718096;margin-bottom:32px;font-size:1rem}.message{padding:12px 16px;border-radius:8px;margin-bottom:24px}.message.success{background:#c6f6d5;color:#22543d;border:1px solid #9ae6b4}.message.error{background:#fed7d7;color:#742a2a;border:1px solid #fc8181}.form-group{margin-bottom:24px}.form-group label{display:block;margin-bottom:8px;color:#4a5568;font-weight:500}.form-input{width:100%;padding:12px;border:2px solid #e2e8f0;border-radius:8px;font-size:1rem;transition:border-color .2s}.form-input:focus{outline:none;border-color:#e6217c}.form-hint{display:block;margin-top:4px;color:#a0aec0;font-size:.85rem}.primary-button{width:100%;padding:12px;background:linear-gradient(135deg,#e6217c,#ff2d87);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:transform .2s}.primary-button:hover:not(:disabled){transform:translateY(-2px)}.primary-button:disabled{opacity:.6;cursor:not-allowed}.loading{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1.2rem;color:#666}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8f8f8}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{height:100vh;display:flex;flex-direction:column}