:root{--bg1: #5b21b6;--bg2: #f43f5e;--accent: #fde047;--text: #fff;--card: #fffbeb;--card-text: #3b0764;--font: "Fredoka", "Segoe UI", sans-serif;--font-body: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;min-height:100%}body{font-family:var(--font-body);color:var(--text);background:var(--bg1);-webkit-text-size-adjust:100%;overflow-x:hidden}button{font:inherit;cursor:pointer}.app{position:relative;min-height:100dvh}.bg{position:fixed;inset:0;z-index:0;background:linear-gradient(160deg,var(--bg1),var(--bg2));transition:background .6s}.bg:before{content:"";position:absolute;inset:0;opacity:.18;pointer-events:none}.bg[data-pattern=dots]:before{background-image:radial-gradient(#fff 1.6px,transparent 1.7px);background-size:26px 26px}.bg[data-pattern=stripes]:before{background-image:repeating-linear-gradient(135deg,#fff 0 14px,transparent 14px 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#0000002e;transform-origin:left bottom;transition:transform .7s cubic-bezier(.4,1.6,.5,1);z-index:2}.gift-ribbon{position:absolute;left:calc(50% - 12px);top:42px;bottom:0;width:24px;background:var(--bg1);opacity:.85;z-index:1}.gift-bow{position:absolute;left:50%;top:20px;width:60px;height:34px;transform:translate(-50%);z-index:3}.gift-bow:before,.gift-bow:after{content:"";position:absolute;top:0;width:26px;height:32px;border:8px solid var(--bg1);border-radius:50% 50% 10% 10%;opacity:.9}.gift-bow:before{left:0;transform:rotate(-30deg)}.gift-bow:after{right:0;transform:rotate(30deg)}.gift.open .gift-lid{transform:rotate(-110deg) translateY(-10px)}.gift.open .gift-bow{opacity:0;transition:opacity .3s}.lock-emoji{font-size:4rem}.lock-sub{opacity:.9;margin:.4rem 0 .8rem}.story{position:relative;z-index:2}.scene{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3.5rem 1.25rem 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.15s}.btn:active{transform:scale(.96)}.btn.ghost{background:#ffffff29;color:var(--text);border:1px solid rgba(255,255,255,.35);box-shadow:none}.btn-row{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;margin-top:1rem}.hero .headline{font-family:var(--font);font-size:clamp(1.7rem,10vw,4.6rem);margin:.4rem 0;line-height:1.08;text-shadow:0 8px 32px rgba(0,0,0,.28);word-break:break-word}.hero .emoji{font-size:clamp(2.5rem,14vw,6rem);line-height:1;animation:bob 2.6s ease-in-out infinite}.age-badge{display:inline-block;background:#ffffff2e;border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:.35rem 1rem;font-weight:700;margin-top:.4rem;backdrop-filter:blur(6px)}.age-badge b{color:var(--accent);font-size:1.2em}.cake-wrap{position:relative;width:min(320px,82vw);margin:1.2rem auto .6rem}.candles{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;min-height:74px;align-items:flex-end;padding:0 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.smoke{position:absolute;top:-28px;left:50%;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:#ffffffa6;opacity:0}.candle.out .smoke{animation:smoke 1.6s ease-out forwards}@keyframes smoke{0%{opacity:.8;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-50px) scale(3)}}@keyframes flicker{0%{transform:scaleX(1) rotate(-3deg)}to{transform:scaleX(.9) rotate(4deg) scaleY(1.06)}}.cake{position:relative;height:150px}.tier{position:absolute;left:50%;transform:translate(-50%);border-radius:12px 12px 8px 8px;background:linear-gradient(#ffd6e7,#f7a8c4);box-shadow:inset 0 -14px #00000012,0 8px 18px #0003}.tier:before{content:"";position:absolute;top:-6px;left:0;right:0;height:22px;background:radial-gradient(circle at 12px 0,var(--card) 0 10px,transparent 11px) 0 0/24px 24px repeat-x,linear-gradient(var(--card),var(--card)) 0 0/100% 12px no-repeat;border-radius:12px 12px 0 0}.tier.t1{width:62%;height:46px;top:0}.tier.t2{width:80%;height:50px;top:44px;background:linear-gradient(#fff1b8,#ffd166)}.tier.t3{width:100%;height:56px;top:92px;background:linear-gradient(#e0c3fc,#b388ff)}.plate{width:112%;height:16px;margin:-2px 0 0 -6%;border-radius:50%;background:#ffffff8c}.age-on-cake{position:absolute;top:10px;left:50%;transform:translate(-50%);font-family:var(--font);font-weight:800;font-size:1.4rem;color:#7a2e3a;z-index:2}.cake-wrap.lit{filter:drop-shadow(0 0 30px rgba(255,180,0,.35))}.wish-banner{font-family:var(--font);font-size:clamp(1.3rem,6vw,2.6rem);margin-top:1rem;animation:rise .6s ease both}.mic-status{font-size:.9rem;opacity:.85;min-height:1.3em;margin:.5rem 0 0}.envelope{position:relative;width:min(340px,88vw);height:210px;margin:1rem auto;cursor:pointer;perspective:800px}.env-back{position:absolute;inset:0;background:var(--accent);border-radius:12px;box-shadow:0 12px 30px #00000040}.env-flap{position:absolute;left:0;right:0;top:0;height:50%;background:color-mix(in srgb,var(--accent) 80%,#000);clip-path:polygon(0 0,100% 0,50% 100%);border-radius:12px 12px 0 0;transform-origin:top;transition:transform .7s ease;z-index:3}.env-front{position:absolute;inset:0;background:color-mix(in srgb,var(--accent) 92%,#fff);clip-path:polygon(0 100%,50% 45%,100% 100%);border-radius:12px;z-index:2}.env-seal{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:var(--bg1);display:grid;place-items:center;font-size:1.3rem;z-index:4;box-shadow:0 4px 12px #0000004d;transition:opacity .3s}.envelope.open .env-flap{transform:rotateX(180deg);z-index:0}.envelope.open .env-seal{opacity:0}.env-hint{font-size:.9rem;opacity:.85}.letter{max-width:620px;width:100%;background:var(--card);color:var(--card-text);border-radius:18px;padding:1.6rem 1.5rem;text-align:left;box-shadow:0 20px 50px #0000004d;font-size:1.08rem;line-height:1.7;animation:rise .7s ease both;position:relative}.letter:before{content:"💌";position:absolute;top:-18px;right:18px;font-size:2rem}.letter p{margin:0 0 1em;white-space:pre-wrap}.letter .sig{font-family:var(--font);font-size:1.4rem;margin-top:1.2rem;text-align:right}.letter .sig small{display:block;font-family:var(--font-body);font-size:.85rem;opacity:.7}.cursor{display:inline-block;width:2px;height:1.1em;background:currentColor;vertical-align:-.2em;animation:blink .8s steps(2) infinite}@keyframes blink{50%{opacity:0}}.skip{font-size:.8rem;opacity:.7;text-align:right;margin:0}.gallery{display:flex;gap:1.2rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:1.5rem 8vw;width:100vw;scrollbar-width:none;-webkit-overflow-scrolling:touch}.gallery::-webkit-scrollbar{display:none}.polaroid{flex:0 0 min(300px,78vw);scroll-snap-align:center;background:#fff;padding:12px 12px 18px;border-radius:6px;box-shadow:0 16px 40px 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.card-inner{transform:rotateY(180deg)}.card-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:14px;display:grid;place-items:center;padding:.8rem}.card-front{background:#ffffff24;border:1px solid rgba(255,255,255,.35);font-family:var(--font);font-size:2rem;backdrop-filter:blur(6px)}.card-back{background:var(--card);color:var(--card-text);transform:rotateY(180deg);font-size:.98rem;line-height:1.4}.countdown{display:flex;gap:.6rem;justify-content:center;margin:.6rem 0}.countdown div{background:#ffffff24;border:1px solid rgba(255,255,255,.3);border-radius:14px;padding:.6rem .4rem;min-width:64px;backdrop-filter:blur(6px)}.countdown b{display:block;font-family:var(--font);font-size:1.9rem;line-height:1}.countdown small{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;opacity:.8}.finale .big{font-family:var(--font);font-size:clamp(1.7rem,9vw,4rem);margin:.4rem 0;line-height:1.1}.wish-line{font-size:1.15rem;max-width:560px;opacity:.95;font-style:italic}.credit{margin-top:2.5rem;font-size:.85rem;opacity:.8}.credit a{color:var(--text);font-weight:700}.credit a:hover{color:var(--accent)}.share-a{text-decoration:none;display:inline-flex;align-items:center;gap:.4rem}.music{position:fixed;right:12px;top:calc(12px + env(safe-area-inset-top,0px));z-index:5;display:flex;align-items:center;gap:8px;background:#00000073;backdrop-filter:blur(10px);border-radius:999px;padding:6px 12px 6px 6px;color:#fff;max-width:min(320px,62vw);border:1px solid rgba(255,255,255,.2)}.yt-holder{width:72px;height:42px;border-radius:999px;overflow:hidden;flex:0 0 auto;background:#000}.yt-holder iframe{width:100%;height:100%;border:0;display:block}.music-btn{width:36px;height:36px;border-radius:50%;border:0;background:var(--accent);color:#111;font-size:1.1rem;flex:0 0 auto}.music-btn.playing{animation:spinslow 3s linear infinite}@keyframes spinslow{to{transform:rotate(360deg)}}.music-title{font-size:.75rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lightbox{position:fixed;inset:0;z-index:9;background:#000000e6;display:grid;place-items:center;padding:1rem;cursor:zoom-out}.lightbox img{max-width:100%;max-height:80vh;border-radius:8px}.lightbox p{color:#fff;font-family:Caveat,cursive;font-size:1.5rem}@media(prefers-reduced-motion:reduce){.big-btn,.gift,.hero .emoji,.next,.bg:before{animation:none!important}.scene{transition:none}}@media print{.music,.fx,.next{display:none}}