:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;background-color:#212121}body{margin:0;min-height:100vh}.page-container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:1rem;background-color:#212121;color:#fff}.content-box{background-color:#333;padding:2rem;border-radius:8px;box-shadow:0 4px 6px #0000001a;width:100%;max-width:450px;text-align:center}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:700;text-align:left}.form-group input{width:100%;padding:.75rem;border:1px solid #ccc;border-radius:4px}.auth-link{margin-top:1rem}.loader-container{display:flex;justify-content:center;align-items:center;height:100vh}.loader-icon{width:3rem;height:3rem;color:#007bff;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chat-page{display:flex;flex-direction:column;height:100vh;background-color:#212121;color:#fff}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;background-color:#333;box-shadow:0 2px 4px #0000001a;height:10px}.chat-main{flex-grow:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column}.chat-messages{display:flex;flex-direction:column;width:100%}.message{padding:.75rem 1rem;border-radius:1rem;margin-bottom:.5rem;max-width:75%}.message.user{background-color:#007bff;align-self:flex-end}.message.bot{background-color:#495057;align-self:flex-start}.chat-footer{padding:1rem;background-color:#333;box-shadow:0 -2px 4px #0000001a}.chat-footer form{display:flex;gap:.5rem}.chat-footer input{flex-grow:1;padding:.75rem;border-radius:.5rem;border:1px solid #ccc;background-color:#495057;color:#fff}