:root{--bg:#1a1a2e;--surface:#16213e;--bubble-user:#0f3460;--bubble-massimmo:#1e3a5f;--text:#e0e0e0;--text-muted:#888;--accent:#4fc3f7;--accent-alt:#ef8114;--radius:16px;--shadow:0 2px 8px #0000004d}.widget-container{background:var(--bg);flex-direction:column;height:100%;display:flex;overflow:hidden}.widget-header{background:var(--surface);border-bottom:1px solid #2a2a4a;flex-shrink:0;align-items:center;gap:12px;padding:12px 16px;display:flex}.header-logo{background:linear-gradient(135deg, var(--accent), var(--accent-alt));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:17px;font-weight:700;display:flex}.header-info{flex:1}.header-title{font-size:15px;font-weight:600}.header-subtitle{color:var(--text-muted);font-size:11px}.header-action{border:1px solid var(--accent);color:var(--accent);cursor:pointer;background:0 0;border-radius:14px;padding:6px 12px;font-size:12px;transition:all .2s}.header-action:hover{background:var(--accent);color:#fff}.messages-area{flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-box{flex-direction:column;height:100%;display:flex}.messages-list{flex-direction:column;flex:1;gap:8px;padding:12px 16px;display:flex;overflow-y:auto}.bubble{border-radius:var(--radius);word-wrap:break-word;max-width:88%;padding:10px 14px;font-size:14px;line-height:1.45;animation:.2s fadeIn}.bubble.user{background:var(--bubble-user);border-bottom-right-radius:4px;align-self:flex-end}.bubble.massimmo{background:var(--bubble-massimmo);border-bottom-left-radius:4px;align-self:flex-start}.bubble-content strong{color:var(--accent-alt)}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.bubble.typing{opacity:.7;min-width:50px}.typing-dots{gap:4px;display:inline-flex}.typing-dots span{background:var(--accent);border-radius:50%;width:7px;height:7px;animation:1.4s ease-in-out infinite both bounce}.typing-dots span:first-child{animation-delay:-.32s}.typing-dots span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.input-area{background:var(--surface);border-top:1px solid #2a2a4a;flex-shrink:0;gap:8px;padding:10px 14px;display:flex}.input-area input{color:var(--text);background:#1e1e3a;border:1px solid #333;border-radius:24px;outline:none;flex:1;padding:10px 14px;font-size:14px}.input-area input:focus{border-color:var(--accent)}.input-area input:disabled{opacity:.4}.input-area button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:14px;transition:all .2s;display:flex}.input-area button:hover{background:var(--accent-alt)}.input-area button:disabled{opacity:.3;cursor:not-allowed}.form-overlay{z-index:100;background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.form-card{background:var(--surface);width:100%;max-width:360px;box-shadow:var(--shadow);border-radius:12px;padding:24px;position:relative}.form-card h3{color:var(--accent);margin-bottom:16px;font-size:16px}.form-card input{width:100%;color:var(--text);background:#1e1e3a;border:1px solid #333;border-radius:8px;margin-bottom:10px;padding:10px;font-size:14px}.form-card button[type=submit]{background:var(--accent-alt);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:12px;font-size:15px;font-weight:600}.form-card button[type=submit]:disabled{opacity:.5}.form-card.success{text-align:center}.form-card.success p{margin-bottom:12px;font-size:18px}.form-card.success button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:8px 20px}.form-error{color:#ef5350;margin-top:8px;font-size:13px}.form-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:18px;position:absolute;top:12px;right:12px}.widget-footer{text-align:center;background:var(--surface);border-top:1px solid #222;flex-shrink:0;padding:6px;font-size:10px}.widget-footer a{color:var(--accent);text-decoration:none}