body{background:#f4f4f4;margin:0;font-family:Arial,sans-serif}.container{max-width:800px;margin:auto;padding:20px}h1{text-align:center}.app-layout{box-sizing:border-box;background:#f4f4f4;gap:20px;min-height:100vh;padding:20px;display:flex}.left-panel{flex:1;padding-right:10px;overflow-y:auto}.right-panel{flex-direction:column;width:60%;height:calc(100vh - 40px);display:flex}.chat-container{background:#fff;border-radius:10px;flex:1;margin-bottom:20px;padding:20px;overflow-y:auto;box-shadow:0 2px 8px #0000001a}.product-card{background:#fff;border-radius:10px;margin-bottom:15px;padding:15px;box-shadow:0 2px 5px #0000001a}.product-card h3{color:#007bff;margin-top:0}.product-card p{margin:8px 0}.user-message{color:#fff;background:#007bff;border-radius:10px;width:fit-content;max-width:80%;margin:10px 0 10px auto;padding:10px 14px}.bot-message{background:#e5e5e5;border-radius:10px;width:fit-content;max-width:80%;margin:10px 0;padding:10px 14px}.input-container{background:#fff;border-radius:10px;gap:10px;padding:15px;display:flex;box-shadow:0 2px 8px #0000001a}input{border:1px solid #ccc;border-radius:8px;outline:none;flex:1;padding:12px;font-size:1rem}input:focus{border-color:#007bff}button{cursor:pointer;color:#fff;background:#007bff;border:none;border-radius:8px;padding:12px 20px;font-weight:600;transition:all .3s}button:hover{background:#0056b3}.hero-section{text-align:center;padding:40px 20px}.hero-title{color:#222;margin-bottom:10px;font-size:3rem}.hero-description{color:#555;max-width:700px;margin:auto;font-size:1.1rem;line-height:1.6}.feature-list{flex-wrap:wrap;justify-content:center;gap:15px;margin-top:30px;display:flex}.feature-card{background:#fff;border-radius:10px;padding:12px 20px;font-weight:600;box-shadow:0 2px 5px #0000001a}.example-section{margin-top:40px}.example-prompts{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:20px;display:flex}.prompt-btn{color:#fff;cursor:pointer;background:#007bff;border:none;border-radius:25px;padding:10px 16px;transition:all .3s}.prompt-btn:hover{background:#0056b3}.info-section{flex-wrap:wrap;justify-content:center;gap:20px;max-width:1000px;margin:40px auto;display:flex}.info-card{background:#fff;border-radius:12px;width:400px;padding:25px;box-shadow:0 2px 8px #0000001a}.info-card h2{margin-bottom:15px}.info-card ul{padding-left:20px}.info-card li{margin-bottom:10px}.purpose-section{background:#fff;border-radius:12px;max-width:1000px;margin:50px auto;padding:40px;box-shadow:0 2px 8px #0000001a}.purpose-section h2{margin-bottom:20px}.purpose-section p{color:#444;margin-bottom:20px;line-height:1.8}.problem-highlights{flex-wrap:wrap;gap:15px;margin-top:30px;display:flex}.problem-card{background:#f4f4f4;border-radius:10px;flex:1;min-width:220px;padding:15px;font-weight:500}.dataset-section{background:#fff;border-radius:12px;margin-top:30px;padding:35px;box-shadow:0 2px 8px #0000001a}.dataset-section h2{margin-bottom:20px}.dataset-section p{color:#444;line-height:1.7}.dataset-stats{flex-wrap:wrap;gap:15px;margin-top:25px;display:flex}.dataset-card{text-align:center;background:#f4f4f4;border-radius:10px;flex:1;min-width:150px;padding:20px}.dataset-card h3{margin:0;font-size:1.8rem}.dataset-tags{flex-wrap:wrap;gap:10px;margin-top:25px;display:flex}.dataset-tags span{color:#fff;background:#007bff;border-radius:20px;padding:8px 14px}.dataset-subtitle{margin-top:30px;margin-bottom:15px}@media (width<=768px){.app-layout{flex-direction:column}.right-panel{width:100%;height:auto}.left-panel{width:100%;padding-right:0}.hero-title{font-size:2.2rem}.chat-container{height:60vh}.input-container{flex-direction:column}button{width:100%}}