.sef-chat-toggle{position:fixed;right:22px;bottom:22px;width:64px;height:64px;border-radius:50%;border:0;background:var(--sef-chat-color,#111827);color:#fff;font-size:27px;z-index:99998;box-shadow:0 16px 36px rgba(0,0,0,.24);cursor:pointer;transition:transform .18s ease}.sef-chat-toggle:hover{transform:translateY(-2px) scale(1.03)}.sef-chat-box{position:fixed;right:22px;bottom:96px;width:390px;max-width:calc(100vw - 30px);height:600px;background:#fff;border-radius:22px;box-shadow:0 24px 70px rgba(0,0,0,.28);display:none;overflow:hidden;z-index:99999;border:1px solid #e5e7eb}.sef-chat-box.open{display:flex;flex-direction:column}.sef-chat-box.compact{height:520px;border-radius:16px}.sef-chat-head{background:linear-gradient(135deg,var(--sef-chat-color,#111827),#374151);color:#fff;padding:16px;display:flex;justify-content:space-between;align-items:center}.sef-chat-head small{display:block;opacity:.76;font-weight:400}.sef-chat-close{background:rgba(255,255,255,.12);border:0;color:#fff;font-size:22px;cursor:pointer;border-radius:9px;width:34px;height:34px}.sef-chat-body{flex:1;padding:14px;overflow:auto;background:#f8fafc}.sef-msg{padding:11px 13px;margin:8px 0;border-radius:15px;line-height:1.48;font-size:14px;max-width:88%;word-wrap:break-word}.sef-msg.bot{background:#fff;border:1px solid #e5e7eb;color:#111827}.sef-msg.user{background:var(--sef-chat-color,#111827);color:#fff;margin-left:auto}.sef-msg.error{border-color:#fecaca;color:#991b1b;background:#fff5f5}.sef-chat-input{display:flex;border-top:1px solid #e5e7eb;background:#fff;padding:10px;gap:8px}.sef-chat-input input{flex:1;border:1px solid #e5e7eb;border-radius:12px;padding:12px;outline:0}.sef-chat-input button,.sef-save-lead{border:0;background:var(--sef-chat-color,#111827);color:#fff;padding:0 18px;border-radius:12px;cursor:pointer}.sef-lead-box{border-top:1px solid #e5e7eb;padding:10px;background:#fff;display:grid;grid-template-columns:1fr 1fr;gap:7px}.sef-lead-box small{grid-column:1/-1;color:#4b5563}.sef-lead-box input{border:1px solid #e5e7eb;border-radius:10px;padding:9px;min-width:0}.sef-lead-email{grid-column:1/-1}.sef-wa{display:flex;align-items:center;justify-content:center;text-decoration:none;background:#16a34a;color:#fff;border-radius:10px;font-size:13px}.sef-powered{padding:7px;text-align:center;font-size:11px;color:#6b7280;background:#fff;border-top:1px solid #f1f5f9}.sef-powered a{color:inherit;text-decoration:none}@media(max-width:480px){.sef-chat-box{right:10px!important;left:10px!important;bottom:70px;width:auto;height:76vh}.sef-chat-toggle{right:14px!important;bottom:14px!important;width:40px;height:40px;font-size:17px;box-shadow:0 8px 20px rgba(0,0,0,.20)}.sef-lead-box{grid-template-columns:1fr}}