.rainbow-button{position:relative;width:100%;padding:2px;border-radius:14px;border:none;cursor:pointer;background:linear-gradient(90deg,red,#f80,#fe0,#0e0,#08f,#80f,#ff0080,red);background-size:300% 100%;animation:rainbow-shift 4s linear infinite;box-shadow:0 0 20px #8a2be24d,0 0 40px #ff008026;transition:box-shadow .2s ease,transform .1s ease}.rainbow-button:hover{box-shadow:0 0 28px #8a2be280,0 0 56px #ff008040;transform:translateY(-1px)}.rainbow-button:active{transform:translateY(0)}.rainbow-button-inner{display:block;width:100%;padding:14px 24px;border-radius:12px;background:#09090b;color:#fff;font-size:16px;font-weight:600;font-family:DM Sans,sans-serif;letter-spacing:.01em;text-align:center;transition:background .2s ease}.rainbow-button:hover .rainbow-button-inner{background:#111113}@keyframes rainbow-shift{0%{background-position:0% 50%}to{background-position:300% 50%}}@keyframes upload-shake{0%,to{transform:translate(0)}15%{transform:translate(-6px)}30%{transform:translate(6px)}45%{transform:translate(-4px)}60%{transform:translate(4px)}75%{transform:translate(-2px)}90%{transform:translate(2px)}}.upload-shake{animation:upload-shake .6s ease}