:root{--primary: #00a0fa;--secondary: #ff9f00;--bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);--glass: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1)}*{box-sizing:border-box;margin:0;padding:0;font-family:Lexend,sans-serif}body{background:var(--bg-gradient);min-height:100vh;color:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}#root{width:100%;height:100vh;display:flex;align-items:center;justify-content:center}.chat-container{width:90%;max-width:900px;height:80vh;background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:24px;display:flex;flex-direction:column;box-shadow:0 25px 50px -12px #00000080;overflow:hidden}.chat-header{padding:24px;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;gap:12px;background:#00a0fa0d}.chat-header h1{font-size:1.25rem;font-weight:600;color:#00a0fa}.messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.message{max-width:80%;padding:12px 18px;border-radius:16px;line-height:1.6;animation:slideUp .3s ease-out;white-space:pre-wrap}.message.user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px;box-shadow:0 4px 6px -1px #0000001a}.message.bot{align-self:flex-start;background:#ffffff1a;border-bottom-left-radius:4px;border-left:3px solid var(--secondary)}.sources{font-size:.75rem;margin-top:8px;color:#ffffff80;font-style:italic}.input-area{padding:24px;background:#0003;display:flex;gap:12px}input{flex:1;background:#ffffff0d;border:1px solid var(--glass-border);padding:12px 20px;border-radius:12px;color:#fff;outline:none;transition:all .2s}input:focus{border-color:var(--primary);background:#ffffff1a}button{background:var(--primary);border:none;padding:0 24px;border-radius:12px;color:#fff;font-weight:600;cursor:pointer;transition:transform .2s}button:hover{transform:scale(1.05);filter:brightness(1.1)}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}