* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; }
body { background-color: #121212; color: #ffffff; display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
.top-bar { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; background: rgba(18, 18, 18, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid #333; z-index: 10; }
.logo { font-size: 1.5rem; font-weight: bold; letter-spacing: -1px; }
.logo .dot { color: #00e676; }
.status-ia { display: flex; align-items: center; font-size: 0.85rem; color: #aaa; }
.pulse { display: block; width: 8px; height: 8px; background: #00e676; border-radius: 50%; margin-right: 8px; box-shadow: 0 0 8px #00e676; }
.vitrine-area { flex: 1; overflow-y: auto; padding: 20px; padding-bottom: 90px; scroll-behavior: smooth; }
.mensagem-inicial { text-align: center; margin-top: 20vh; }
.mensagem-inicial h1 { font-size: 2rem; margin-bottom: 10px; font-weight: 600; }
.mensagem-inicial p { color: #999; margin-bottom: 25px; }
.sugestoes { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.chip { background: #2a2a2a; color: #fff; border: none; padding: 10px 15px; border-radius: 20px; font-size: 0.9rem; cursor: pointer; transition: 0.3s; }
.produto-card { background: #1e1e1e; border-radius: 15px; overflow: hidden; margin-bottom: 20px; box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
.produto-img { width: 100%; height: 250px; object-fit: cover; }
.produto-info { padding: 15px; }
.produto-titulo { font-size: 1.2rem; font-weight: bold; margin-bottom: 5px; }
.produto-preco { font-size: 1.4rem; color: #00e676; font-weight: bold; margin-bottom: 15px; }
.btn-whatsapp { display: flex; justify-content: center; align-items: center; gap: 10px; background: #25D366; color: #fff; text-decoration: none; padding: 12px; border-radius: 10px; font-weight: bold; font-size: 1.1rem; border: none; width: 100%; cursor: pointer; }
.barra-comando { position: fixed; bottom: 0; left: 0; width: 100%; background: #121212; padding: 15px 20px; border-top: 1px solid #333; }
.input-container { display: flex; align-items: center; background: #2a2a2a; border-radius: 30px; padding: 5px 15px; }
.input-container input { flex: 1; background: transparent; border: none; color: #fff; padding: 12px 10px; font-size: 1rem; outline: none; }
.btn-icone { background: transparent; border: none; color: #aaa; cursor: pointer; padding: 5px; }
.btn-enviar { color: #00e676; }