.advent-day-link{aspect-ratio:1/1;contain:layout;will-change:transform;position:relative;display:block;width:100%;height:96px}.garland{position:relative;contain:layout}.garland:before{content:"";position:absolute;top:-10px;left:0;right:0;height:20px;background-image:repeating-linear-gradient(90deg,var(--christmas-red),var(--christmas-red) 10px,var(--christmas-green) 10px,var(--christmas-green) 20px);border-radius:10px;z-index:-1}.gift-box{animation:float 3s ease-in-out infinite;will-change:transform;transform:translateZ(0)}@keyframes float{0%,to{transform:translateY(0) translateZ(0)}50%{transform:translateY(-10px) translateZ(0)}}.advent-door{position:relative;transform-style:preserve-3d;transition:transform var(--transition-slow) ease;will-change:transform;backface-visibility:hidden;width:100%;height:100%}.advent-door.open{transform:rotateY(180deg) translateZ(0)}.advent-door-front,.advent-door-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;flex-direction:column;justify-content:center;align-items:center;border-radius:.5rem;box-shadow:0 4px 6px var(--shadow-color);contain:layout}.advent-door-front{background:linear-gradient(135deg,var(--christmas-red) 0%,#8b0000 100%);color:#fff;z-index:2}.advent-door-back{background:linear-gradient(135deg,var(--christmas-green) 0%,#0d3d0f 100%);color:#fff;transform:rotateY(180deg) translateZ(0);padding:1rem;text-align:center}.advent-day-link:hover .advent-door-front{box-shadow:0 8px 12px var(--shadow-hover)}.advent-day-link:hover:not(.cursor-not-allowed) .advent-door{animation:shake var(--transition-slow) ease-in-out}.gift-ribbon{position:absolute;width:100%;height:100%;pointer-events:none;contain:strict}.gift-ribbon:before,.gift-ribbon:after{content:"";position:absolute;background-color:var(--christmas-gold)}.gift-ribbon:before{width:100%;height:10px;top:50%;left:0;transform:translateY(-50%) translateZ(0)}.gift-ribbon:after{width:10px;height:100%;top:0;left:50%;transform:translate(-50%) translateZ(0)}.gift-bow{position:absolute;top:-10px;left:50%;transform:translate(-50%) translateZ(0);width:30px;height:30px;background-color:var(--christmas-gold);border-radius:50%;display:flex;justify-content:center;align-items:center;color:var(--christmas-red);font-weight:700;font-size:.75rem;box-shadow:0 2px 4px var(--shadow-color);will-change:transform;contain:strict}.modal{display:none;position:fixed;z-index:50;left:0;top:0;width:100%;height:100%;background-color:#00000080;animation:fadeIn var(--transition-medium) ease;contain:strict;will-change:opacity}.modal.show{display:flex;justify-content:center;align-items:center}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background-color:#fff;border-radius:1rem;padding:2rem;max-width:500px;width:90%;box-shadow:0 10px 25px var(--shadow-hover);position:relative;animation:slideIn var(--transition-medium) ease;contain:layout;will-change:transform,opacity}@keyframes slideIn{0%{transform:translateY(-50px) translateZ(0);opacity:0}to{transform:translateY(0) translateZ(0);opacity:1}}.close-modal{position:absolute;top:1rem;right:1rem;font-size:1.5rem;color:#666;cursor:pointer;transition:color var(--transition-fast) ease;width:24px;height:24px;display:flex;align-items:center;justify-content:center;will-change:color}.close-modal:hover{color:#333}@media(prefers-reduced-motion:reduce){.gift-box,.advent-door,.modal-content{animation:none;transition:none}.advent-door.open{transform:rotateY(180deg)}}@media(prefers-color-scheme:dark){.modal-content{background-color:#1a1a1a;color:#fff}.close-modal{color:#ccc}.close-modal:hover{color:#fff}}@media(max-width:768px){.modal-content{width:95%;padding:1.5rem}.gift-bow{width:25px;height:25px;font-size:.65rem}}@media(hover:none)and (pointer:coarse){.advent-day-link:hover .advent-door-front{box-shadow:0 4px 6px var(--shadow-color)}.advent-day-link:active .advent-door-front{box-shadow:0 8px 12px var(--shadow-hover)}}