.dm-back-post{position:fixed;z-index:45;top:max(12px,env(safe-area-inset-top));left:calc(max(12px, env(safe-area-inset-left)) + 44px + 8px + 44px + 8px);display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 16px 0 13px;border-radius:999px;border:1px solid rgba(255,255,255,.55);background:rgba(30,26,22,.62);color:#fff;font-size:13.5px;font-weight:500;white-space:nowrap;backdrop-filter:blur(8px);box-shadow:0 6px 18px rgba(0,0,0,.18);cursor:pointer;-webkit-tap-highlight-color:transparent;animation:dm-back-in .4s cubic-bezier(.22,1,.36,1) both}.dm-back-post:focus-visible{outline:2px solid #c9a45c;outline-offset:2px}@keyframes dm-back-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}@media (min-width:640px) and (min-height:561px){.dm-back-post{top:70px;left:calc(50% + 215px + 14px)}}@media (prefers-reduced-motion:reduce){.dm-back-post{animation:none}}