body{background:#1a0f26}#home{position:fixed;inset:0;overflow:hidden}#home canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.hud{position:absolute;top:max(14px,env(safe-area-inset-top));left:0;right:0;text-align:center;pointer-events:none;padding:0 16px}.hud h1{font-size:clamp(38px,7vw,76px);margin:0;letter-spacing:1px;background:linear-gradient(180deg,#fff6d6,#ffd56b 55%,#ff9f43);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none;filter:drop-shadow(0 4px 0 #1b1f2a) drop-shadow(0 0 18px rgba(255,190,90,.55))}.hud .preview{display:inline-block;margin-top:4px;color:#1b1f2a;background:#ffd54f;border-radius:12px;padding:2px 12px;font-weight:800;font-size:15px}.hint{position:absolute;left:50%;bottom:max(64px,calc(env(safe-area-inset-bottom) + 52px));transform:translate(-50%,10px);margin:0;color:#fff;font-weight:800;font-size:clamp(20px,3vw,28px);background:#1b1f2a8c;padding:6px 20px;border-radius:999px;opacity:0;transition:opacity .4s,transform .4s;pointer-events:none;white-space:nowrap}.hint.on{opacity:1;transform:translate(-50%);animation:nudge 2.4s ease-in-out infinite}@keyframes nudge{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,-6px)}}.sig{position:absolute;bottom:max(14px,env(safe-area-inset-bottom));left:0;right:0;text-align:center;color:#fff;opacity:.7;font-size:15px;margin:0;pointer-events:none}.sound{position:absolute;top:max(14px,env(safe-area-inset-top));right:max(14px,env(safe-area-inset-right));width:52px;height:52px;border-radius:16px;border:3px solid #1b1f2a;background:#fffaf0e6;font-size:24px;cursor:pointer;z-index:3}.sheet{position:absolute;left:50%;bottom:max(16px,env(safe-area-inset-bottom));width:min(620px,calc(100% - 32px));z-index:2;transform:translate(-50%,130%);transition:transform .32s cubic-bezier(.2,1.3,.4,1);background:var(--paper);border:5px solid var(--ink);border-radius:30px;box-shadow:0 8px 0 var(--ink),0 0 0 6px var(--kid, #FFC93C) inset;padding:18px 24px 20px;text-align:center}.sheet.in{transform:translate(-50%)}.sheet h2{font-size:clamp(30px,5vw,44px);margin:0;text-shadow:0 3px 0 rgba(27,31,42,.15)}.sheet .label{margin:4px 0 0;font-size:18px;font-weight:800;opacity:.6;text-transform:uppercase;letter-spacing:2px}.sheet .count{margin:0;font-size:clamp(32px,6vw,52px);font-weight:800;line-height:1.05;color:var(--ink);font-variant-numeric:tabular-nums}.sheet .date{margin:2px 0 0;font-size:18px;opacity:.7}.sheet .tease{margin:10px 0 0;font-size:20px;font-style:italic}.sheet .hb{font-size:clamp(30px,5.2vw,48px)}.sheet .title{font-size:20px;font-weight:800;margin:2px 0 12px}.sheet .play{display:inline-block;text-decoration:none;color:#fff;font-size:34px;padding:10px 56px;border-radius:22px;text-shadow:0 2px 0 rgba(0,0,0,.3);animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.sheet .from{margin:12px 0 0;font-size:16px;opacity:.7}.sheet .x{position:absolute;top:10px;right:12px;width:44px;height:44px;border-radius:50%;border:3px solid var(--ink);background:#fff;font-size:22px;font-weight:900;cursor:pointer;font-family:system-ui,-apple-system,sans-serif;line-height:1;padding:0;color:var(--ink)}@media(max-height:560px){.sheet{padding:10px 18px 12px}.sheet .tease{font-size:17px;margin-top:4px}.hud h1{font-size:36px}}.flat{background:radial-gradient(ellipse at top,#5b2a6e,#1a0f26 70%)}.flat .gifts{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:4vw;flex-wrap:wrap;padding:120px 16px 200px}.flat .gift{background:none;border:0;cursor:pointer;display:flex;flex-direction:column;align-items:center;font-family:var(--font);position:relative}.flat .box{width:150px;height:130px;position:relative;display:block}.flat .box i{position:absolute;border:4px solid var(--ink)}.flat .body{inset:34px 8px 0;background:var(--kid);border-radius:10px}.flat .lid{left:0;right:0;top:14px;height:28px;background:var(--kid);border-radius:8px;z-index:1;transition:transform .5s cubic-bezier(.3,1.6,.5,1)}.flat .rib{left:63px;width:24px;top:14px;bottom:0;background:var(--gold);z-index:2}.flat .bow{top:-8px;left:50px;width:50px;height:28px;border-radius:50%;background:var(--gold);z-index:2}.flat .name{color:#fff;font-weight:800;font-size:24px;margin-top:10px}.flat .gift.open .box{animation:hop 1.6s ease-in-out infinite}.flat .gift.shake .box{animation:shake .7s}.flat .gift.popped .lid,.flat .gift.popped .bow,.flat .gift.popped .rib{transform:translate(40px,-160px) rotate(40deg);opacity:0;transition:transform .5s,opacity .5s .3s}.flat .kid{position:absolute;bottom:30px;height:260px;animation:rise .6s cubic-bezier(.3,1.6,.5,1);pointer-events:none}@keyframes hop{0%,70%,to{transform:none}80%{transform:translateY(-14px)}}@keyframes shake{0%,to{transform:none}15%{transform:rotate(-9deg)}30%{transform:rotate(8deg) translateY(-8px)}45%{transform:rotate(-6deg)}60%{transform:rotate(5deg) translateY(-4px)}80%{transform:rotate(-2deg)}}@keyframes rise{0%{transform:translateY(120px) scale(.5);opacity:0}}