:root{--primary: #c41f3e;--primary-dark: #a01830;--text: #1a1a1a;--text-secondary: #6c757d}*{margin:0;padding:0;box-sizing:border-box}main{height:100vh;display:flex;flex-direction:column;background:#fff;overflow:hidden}.header{background:#fff;border-bottom:2px solid #f0f0f0;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 8px #0000000d;z-index:10}.header-content{display:flex;align-items:center;gap:1rem}.logo{display:flex;align-items:center}.header-text h1{font-size:1.5rem;font-weight:700;color:var(--primary);margin:0}.header-text p{font-size:.8rem;color:var(--text-secondary);margin:.25rem 0 0}.status-indicator{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#22c55e1a;border:1px solid rgba(34,197,94,.3);border-radius:2rem}.status-dot{width:8px;height:8px;background:#22c55e;border-radius:50%;box-shadow:0 0 10px #22c55e}.status-text{font-size:.85rem;color:#22c55e;font-weight:500}.chat-container{flex:1;display:flex;flex-direction:column;max-width:900px;width:100%;margin:0 auto;padding:2rem 1rem;overflow:hidden}.chat-messages{flex:1;overflow-y:auto;padding:0 1rem;display:flex;flex-direction:column;gap:1rem}.message-wrapper{display:flex;gap:.75rem;align-items:flex-end;width:100%}.bot-wrapper{justify-content:flex-start}.user-wrapper{flex-direction:row-reverse;justify-content:flex-start}.avatar{width:40px;height:40px;min-width:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:600;color:#fff;flex-shrink:0}.bot-avatar{background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 2px 8px #c41f3e40}.user-avatar{background:linear-gradient(135deg,#495057,#343a40);box-shadow:0 2px 8px #343a4040}.message-bubble{max-width:70%;padding:.875rem 1.125rem;border-radius:18px;word-wrap:break-word;overflow-wrap:break-word}.bot-bubble{background:#f0f0f0!important;border-radius:18px 18px 18px 4px!important;box-shadow:0 1px 2px #0000001a!important}.user-bubble{background:var(--primary)!important;border-radius:18px 18px 4px!important;box-shadow:0 1px 2px #c41f3e4d!important}.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.4rem;gap:1rem}.sender-name{font-size:.75rem;font-weight:600;color:#6c757d}.user-bubble .sender-name{color:#ffffffe6}.message-time{font-size:.7rem;color:#adb5bd}.user-bubble .message-time{color:#ffffffbf}.message-text{color:#1a1a1a!important;line-height:1.6!important;font-size:.95rem!important;white-space:pre-wrap!important;word-wrap:break-word!important;overflow-wrap:break-word!important}.message-text p{margin:.5rem 0}.message-text p:first-child{margin-top:0}.message-text p:last-child{margin-bottom:0}.message-text strong{font-weight:700;color:var(--primary)}.user-bubble .message-text{color:#fff!important}.user-bubble .message-text strong{color:#fff;font-weight:700}.typing-wrapper{display:flex;gap:.75rem;align-items:flex-end}.typing-bubble{padding:.875rem 1.125rem;background:#f0f0f0;border-radius:18px 18px 18px 4px;display:flex;gap:.5rem;box-shadow:0 1px 2px #0000001a}.typing-dot{width:8px;height:8px;background:#adb5bd;border-radius:50%;animation:typing 1.4s infinite}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-6px);opacity:1}}.chat-input-form{margin-top:1rem;padding:0 1rem}.input-wrapper{display:flex;align-items:center;gap:.75rem;padding:.875rem 1.25rem;background:#fff;border:2px solid #e9ecef;border-radius:24px;box-shadow:0 2px 12px #00000014;transition:all .3s ease}.input-wrapper:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px #c41f3e1a,0 4px 16px #0000001f}.chat-input{flex:1;border:none;outline:none;font-size:1rem;padding:.25rem 0;background:transparent;color:var(--text);font-family:inherit;line-height:1.5}.chat-input::placeholder{color:#adb5bd}.send-button{background:var(--primary);color:#fff;border:none;border-radius:12px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;flex-shrink:0;box-shadow:0 2px 8px #c41f3e4d}.send-button:hover{background:var(--primary-dark);transform:scale(1.05);box-shadow:0 4px 12px #c41f3e66}.send-button:active{transform:scale(.98)}.send-button:disabled{background:#dee2e6;color:#adb5bd;cursor:not-allowed;transform:none;box-shadow:none}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#dee2e6;border-radius:10px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#adb5bd}@media(max-width:768px){.header{padding:1rem 1.5rem}.message-bubble{max-width:85%}.avatar{width:35px;height:35px;min-width:35px;font-size:.75rem}}