.copy-popup{position:fixed;bottom:90px;left:50%;transform:translateX(-50%) translateY(20px);background:rgba(30,41,59,.85);color:#fff;padding:12px 28px;border-radius:1.5rem;box-shadow:0 4px 24px rgba(0,0,0,.18);font-size:1rem;font-weight:500;letter-spacing:.02em;z-index:1000;opacity:0;pointer-events:none;backdrop-filter:blur(8px);animation:popup-fade-slide 1.5s forwards;display:flex;align-items:center;gap:10px}.copy-popup:before{content:"✔";font-size:1.1em;margin-right:8px;color:#38bdf8}@media (prefers-color-scheme:light){.copy-popup{background:rgba(255,255,255,.85);color:#222;box-shadow:0 4px 24px rgba(0,0,0,.1)}.copy-popup:before{color:#2563eb}}@keyframes popup-fade-slide{0%{opacity:0;transform:translateX(-50%) translateY(40px) scale(.95)}10%{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}90%{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}to{opacity:0;transform:translateX(-50%) translateY(-10px) scale(.98)}}