.seasonal-banner{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:9999;padding:16px 48px 16px 24px;border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.3);animation:slideUp .6s cubic-bezier(.34,1.56,.64,1);max-width:90vw}@keyframes slideUp{0%{opacity:0;transform:translateX(-50%) translateY(100px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}.seasonal-christmas{background:linear-gradient(135deg,#1a472a,#2d5a3f 50%,#1a472a);border:2px solid #c41e3a}.seasonal-newyear{background:linear-gradient(135deg,#1a1a2e,#16213e 50%,#1a1a2e);border:2px solid gold}.seasonal-valentine{background:linear-gradient(135deg,#4a1942,#6b2d5c 50%,#4a1942);border:2px solid #ff6b8a}.seasonal-halloween{background:linear-gradient(135deg,#1a1a1a,#2d1f3d 50%,#1a1a1a);border:2px solid #f60}.seasonal-custom{background:var(--background);border:2px solid var(--primary)}.seasonal-content{display:flex;align-items:center;gap:12px}.seasonal-emoji{font-size:1.5rem;animation:bounce 2s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.seasonal-message{color:#f5f5f5;font-size:1rem;font-weight:500;line-height:1.5;margin:0;font-style:italic;text-align:center}.seasonal-close{position:absolute;top:8px;right:12px;background:none;border:none;color:hsla(0,0%,100%,.6);font-size:1rem;cursor:pointer;padding:4px 8px;transition:color .2s}.seasonal-close:hover{color:#fff}.snowfall{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9998;overflow:hidden}.snowflake{position:absolute;top:-20px;color:hsla(0,0%,100%,.8);animation:fall linear infinite;text-shadow:0 0 5px hsla(0,0%,100%,.5)}@keyframes fall{0%{transform:translateY(-20px) rotate(0deg);opacity:1}to{transform:translateY(100vh) rotate(1turn);opacity:.3}}@media (max-width:768px){.seasonal-banner{bottom:16px;padding:12px 40px 12px 16px;border-radius:12px}.seasonal-content{gap:8px}.seasonal-emoji{font-size:1.2rem}.seasonal-message{font-size:.875rem}.snowflake{opacity:.6}}