.publication{position:relative}
.share-publication{position:absolute;z-index:20;right:10px;bottom:48px;width:34px;height:34px;border:1px solid rgba(255,255,255,.82);border-radius:50%;background:rgba(244,250,247,.72);box-shadow:0 8px 24px rgba(20,49,38,.14);backdrop-filter:blur(12px);color:#315f4e;font-size:17px;cursor:pointer;transition:transform .16s ease,background .16s ease}
.share-publication:hover{transform:translateY(-2px);background:rgba(255,255,255,.94)}
.share-toast{position:fixed;z-index:100;left:50%;bottom:24px;max-width:calc(100vw - 32px);padding:11px 16px;border:1px solid rgba(255,255,255,.8);border-radius:12px;background:rgba(27,52,43,.86);backdrop-filter:blur(15px);color:white;font-size:13px;opacity:0;pointer-events:none;transform:translate(-50%,12px);transition:.2s ease}
.share-toast.show{opacity:1;transform:translate(-50%,0)}