.whatsapp-support{position:fixed;right:20px;bottom:max(20px,env(safe-area-inset-bottom));z-index:25;display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:28px;background:#128c51;color:#fff;box-shadow:0 4px 18px #001d2226;font-size:14px;font-weight:600;text-decoration:none}
.whatsapp-support svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.whatsapp-support:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
.sms-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;margin:22px 0}.sms-layout>section{min-width:0}.sms-list{max-height:350px;overflow:auto;border:1px solid var(--line);border-radius:14px;margin-top:12px}.sms-recipient{display:flex;align-items:center;gap:10px;padding:12px;border-bottom:1px solid var(--line)}.sms-recipient:last-child{border:0}.sms-recipient input{width:18px;height:18px;flex:none}.sms-recipient span{min-width:0;overflow-wrap:anywhere}.sms-recipient small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.sms-preview-text{white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;background:var(--bg);border-radius:12px;line-height:1.6}.sms-preview[hidden]{display:none}.sms-history summary{cursor:pointer;padding:10px 0;font-weight:600}.sms-history p{overflow-wrap:anywhere}.sms-permissions select{min-width:150px}.sms-estimate{color:var(--muted);font-size:14px;line-height:1.6}.sms-layout textarea{min-height:150px}.sms-layout .demo-field{margin-bottom:14px}
@media(max-width:760px){.whatsapp-support{right:12px;bottom:max(12px,env(safe-area-inset-bottom));padding:11px}.whatsapp-support span{display:none}.sms-layout{grid-template-columns:1fr;gap:16px}}
@media print{.whatsapp-support{display:none}}