.alvi-host{z-index:10050;--alvi-indigo:#667eea;--alvi-violet:#764ba2;--alvi-grad:linear-gradient(135deg, #667eea 0%, #764ba2 100%);font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;position:fixed;bottom:24px;right:24px}.alvi-host-fab{cursor:pointer;background:var(--alvi-grad);border:none;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;padding:0;transition:transform .28s cubic-bezier(.34,1.4,.64,1),box-shadow .25s;display:flex;position:relative;overflow:visible;box-shadow:0 12px 32px #667eea6b,0 2px 8px #1e143c1f,inset 0 1px #ffffff59}.alvi-host-fab:before{content:"";z-index:0;pointer-events:none;background:linear-gradient(145deg,#ffffffd9,#ffffff26);border-radius:50%;position:absolute;inset:-3px}.alvi-host-fab:after{content:"";background:var(--alvi-grad);z-index:0;pointer-events:none;border-radius:50%;position:absolute;inset:2px}.alvi-host-fab:hover{transform:scale(1.07)translateY(-3px);box-shadow:0 16px 40px #667eea80,0 4px 12px #1e143c24}.alvi-host-fab:active{transform:scale(.96)}.alvi-host-fab-img{-o-object-fit:contain;object-fit:contain;z-index:1;filter:drop-shadow(0 2px 4px #0000001f);border-radius:50%;width:48px;height:48px;animation:2.8s ease-in-out infinite alvi-host-bob;position:relative}.alvi-host-fab-pulse{pointer-events:none;z-index:0;border:2px solid #667eea66;border-radius:50%;animation:2.4s ease-out infinite alvi-host-pulse;position:absolute;inset:-6px}.alvi-host-fab-badge{z-index:2;background:#22c55e;border:2.5px solid #fff;border-radius:50%;width:14px;height:14px;position:absolute;top:2px;right:2px;box-shadow:0 2px 6px #22c55e73}.alvi-host-frame-wrap{background:#fff;border:1px solid #667eea1f;border-radius:22px;width:min(408px,100vw - 32px);height:min(660px,100dvh - 100px);overflow:hidden;box-shadow:0 20px 56px #1e143c33,0 4px 16px #667eea1a}.alvi-host-frame{background:#fff;border:0;width:100%;height:100%;display:block}@keyframes alvi-host-bob{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}@keyframes alvi-host-pulse{0%{opacity:.55;transform:scale(1)}to{opacity:0;transform:scale(1.4)}}@media (max-width:768px){.alvi-host{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px))}.alvi-host-frame-wrap{border-radius:18px;width:calc(100vw - 24px);height:min(640px,100dvh - 88px)}}