.envelope-screen{position:relative;z-index:var(--z-content);min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;padding:24px}.env-greeting{font-family:var(--font-script);font-size:1.7rem;color:var(--ink-soft);letter-spacing:.3px}.env-hint{font-family:var(--font-script);font-size:1.45rem;color:var(--rose-gold)}.envelope{position:relative;width:min(80vw,300px);height:min(56vw,210px);filter:drop-shadow(0 18px 30px rgba(255,139,148,.35))}.env-back{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:14px;background:linear-gradient(160deg,#ffd0cb,#ffb7b2)}.env-letter{position:absolute;left:6%;right:6%;bottom:8%;height:86%;background:linear-gradient(180deg,#fffdfb,#fff4f6);border-radius:10px;box-shadow:0 6px 16px #ff8b9440;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;transition:transform 1s cubic-bezier(.22,1,.36,1);z-index:2}.env-letter p{font-family:var(--font-display);color:var(--rose-gold);font-size:1.4rem}.env-letter-heart{font-size:2rem;color:var(--pink)}.env-body{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:14px;background:linear-gradient(160deg,#ffc4be,#ffb0aa);clip-path:polygon(0 32%,50% 72%,100% 32%,100% 100%,0 100%);z-index:3}.env-flap{position:absolute;top:0;left:0;right:0;height:64%;background:linear-gradient(160deg,#ffd0cb,#ff9d97);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top center;transition:transform .9s cubic-bezier(.22,1,.36,1);z-index:4;backface-visibility:hidden}.envelope.is-opening .env-flap{transform:rotateX(180deg);z-index:1}.envelope.is-opening .env-letter{transform:translateY(-64%) scale(1.04);z-index:6}.wax-seal{position:absolute;top:30%;left:50%;transform:translate(-50%,-50%);width:70px;height:70px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 38% 32%,#ff9aa2,#e2606e 70%,#c64a59);box-shadow:0 6px 14px #c64a5980,inset 0 3px 6px #ffffff73,inset 0 -4px 8px #0003;z-index:7;cursor:pointer;animation:sealPulse 2s ease-in-out infinite;touch-action:manipulation}.wax-seal:focus-visible{outline:3px solid var(--lavender);outline-offset:4px}.seal-heart{font-size:1.9rem;color:#fff3f3;text-shadow:0 1px 2px rgba(0,0,0,.25)}@keyframes sealPulse{0%,to{box-shadow:0 6px 14px #c64a5980,inset 0 3px 6px #ffffff73,inset 0 -4px 8px #0003,0 0 #ff8b948c}50%{box-shadow:0 6px 14px #c64a5980,inset 0 3px 6px #ffffff73,inset 0 -4px 8px #0003,0 0 0 16px #ff8b9400}}@media(prefers-reduced-motion:reduce){.wax-seal{animation:none}.env-flap,.env-letter{transition:none}}.music-controller{position:fixed;top:16px;right:calc(50% - 224px);z-index:var(--z-float);width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--white-glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--clay);transition:transform .18s ease;touch-action:manipulation}@media(max-width:480px){.music-controller{right:16px}}.music-controller:active{transform:scale(.92)}.music-controller:focus-visible{outline:3px solid var(--lavender);outline-offset:3px}.vinyl{position:relative;width:40px;height:40px;border-radius:50%;background:radial-gradient(circle at 50% 50%,#3a2b30 0,#3a2b30 38%,#4a383e 38%,#4a383e);display:grid;place-items:center;box-shadow:inset 0 0 0 1px #ffffff14}.vinyl-grooves{position:absolute;top:4px;right:4px;bottom:4px;left:4px;border-radius:50%;background:repeating-radial-gradient(circle at 50% 50%,rgba(255,255,255,.05) 0 1px,transparent 1px 3px)}.vinyl-label{width:14px;height:14px;border-radius:50%;background:linear-gradient(180deg,var(--rose-gold),var(--pink));box-shadow:0 0 0 2px #2c2024}.spinning .vinyl{animation:spin 2.6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.note-badge{position:absolute;bottom:-4px;right:-4px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;background:var(--rose-gold);box-shadow:0 2px 6px #ff8b9466}.note-badge.show{background:var(--rose-gold)}@media(prefers-reduced-motion:reduce){.spinning .vinyl{animation:none}}.memory-book{gap:18px}.mb-header{text-align:center}.mb-sub{font-family:var(--font-script);font-size:1.2rem;color:var(--ink-soft);margin-top:6px}.hscroll{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding:26px 16px 30px;margin:0 -16px;scrollbar-width:none}.polaroid{flex:0 0 auto;width:200px;scroll-snap-align:center;background:#fffdfb;border-radius:8px;padding:12px 12px 0;box-shadow:var(--soft-shadow);transform:rotate(var(--tilt, 0deg));transition:transform .25s ease,box-shadow .25s ease;cursor:pointer;position:relative;text-align:center}.polaroid:hover{transform:rotate(0) translateY(-4px);box-shadow:0 20px 44px #ff8b9466}.polaroid:active{transform:rotate(0) scale(.97)}.polaroid:focus-visible{outline:3px solid var(--lavender);outline-offset:4px}.polaroid-tape{position:absolute;top:-10px;left:50%;transform:translate(-50%) rotate(-3deg);width:64px;height:22px;background:#e8d7f1b3;border:1px dashed rgba(255,255,255,.6);box-shadow:0 2px 4px #0000000f}.polaroid-photo{display:block;width:100%;aspect-ratio:1 / 1;overflow:hidden;border-radius:4px;background:var(--peach)}.polaroid-photo img{width:100%;height:100%;object-fit:cover}.polaroid-caption{display:block;font-family:var(--font-script);font-size:1.2rem;line-height:1.2;color:var(--ink);padding:12px 6px 18px;min-height:64px}.mb-count{text-align:center;font-family:var(--font-script);font-size:1.25rem;color:var(--rose-gold)}.mb-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-modal);background:#50323c8c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;padding:24px}.mb-modal{position:relative;width:min(86vw,360px);max-height:86svh;overflow-y:auto;background:#fffdfb;border-radius:18px;padding:16px 16px 22px;box-shadow:0 24px 60px #50283273;text-align:center}.mb-modal-photo{width:100%;border-radius:12px;overflow:hidden;background:var(--peach);box-shadow:0 8px 20px #ff8b944d}.mb-modal-photo img{width:100%;max-height:52svh;object-fit:cover}.mb-modal-caption{font-family:var(--font-display);font-size:1.4rem;color:var(--rose-gold);margin-top:16px}.mb-modal-note{font-family:var(--font-script);font-size:1.45rem;line-height:1.4;color:var(--ink);margin-top:8px}.mb-close{position:absolute;top:8px;right:10px;width:38px;height:38px;border-radius:50%;font-size:1.6rem;line-height:1;color:var(--ink);background:#ffffffd9;box-shadow:var(--clay);display:grid;place-items:center;z-index:2}.mb-close:active{transform:scale(.9)}.mb-close:focus-visible{outline:3px solid var(--lavender);outline-offset:2px}.cinema{gap:20px;align-items:center}.cinema-header{text-align:center}.tv{width:min(88vw,340px);background:linear-gradient(160deg,#ffcdc7,#ff9d97);border-radius:28px;padding:18px 18px 10px;box-shadow:var(--clay),0 22px 40px #ff8b9459}.tv-screen{position:relative;width:100%;aspect-ratio:4 / 3;border-radius:16px;overflow:hidden;background:#2a2024;box-shadow:inset 0 0 0 6px #fff6f2,inset 0 0 24px #0009}.tv-video{width:100%;height:100%;object-fit:cover;display:block;cursor:pointer;filter:saturate(1.05) contrast(1.04)}.tv-scanlines{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:repeating-linear-gradient(to bottom,#ffffff0a 0,#ffffff0a 1px,#0000000f 1px,#0000000f 3px);mix-blend-mode:overlay}.tv-glow{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(120% 90% at 50% 0%,rgba(255,255,255,.18),transparent 60%)}.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;display:grid;place-items:center;background:#ff8b94eb;box-shadow:0 6px 18px #0006,inset 0 2px 4px #ffffff80;animation:pulseBtn 1.8s ease-in-out infinite}.play-btn:active{transform:translate(-50%,-50%) scale(.9)}.play-btn:focus-visible{outline:3px solid var(--lavender);outline-offset:3px}.play-heart{color:#fff;font-size:1.6rem;margin-left:4px}@keyframes pulseBtn{0%,to{box-shadow:0 6px 18px #0006,inset 0 2px 4px #ffffff80,0 0 #fff6}50%{box-shadow:0 6px 18px #0006,inset 0 2px 4px #ffffff80,0 0 0 14px #fff0}}.tv-base{display:flex;align-items:center;justify-content:center;gap:14px;padding:12px 0 4px}.tv-knob{width:18px;height:18px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff3f0,#d97a82);box-shadow:inset 0 -2px 3px #00000040}.tv-speaker{width:90px;height:18px;border-radius:6px;background:repeating-linear-gradient(90deg,#e98a8f 0,#e98a8f 3px,#ffd7d2 3px,#ffd7d2 6px);opacity:.85}.cinema-caption{font-family:var(--font-script);font-size:1.4rem;color:var(--ink);text-align:center}.cinema-tabs{display:flex;gap:10px}.cinema-tab{font-family:var(--font-body);font-weight:600;font-size:.95rem;color:var(--rose-gold);background:var(--white-glass);border-radius:999px;padding:9px 18px;min-height:44px;box-shadow:var(--clay);transition:transform .18s ease,background .18s ease,color .18s ease}.cinema-tab.active{color:#fff;background:linear-gradient(180deg,var(--rose-gold),#ff7a85)}.cinema-tab:active{transform:scale(.94)}.cinema-tab:focus-visible{outline:3px solid var(--lavender);outline-offset:2px}@media(prefers-reduced-motion:reduce){.play-btn{animation:none}}.quiz{gap:18px}.quiz-header{text-align:center}.quiz-sub{font-family:var(--font-script);font-size:1.2rem;color:var(--ink-soft);margin-top:4px}.quiz-progress{width:100%;max-width:360px;margin:4px auto 0;height:10px;border-radius:999px;background:#ffffffb3;box-shadow:inset 0 2px 4px #ff8b9440;overflow:hidden}.quiz-progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--pink),var(--rose-gold));transition:width .5s cubic-bezier(.22,1,.36,1)}.quiz-card{width:100%;max-width:380px;margin:0 auto;background:var(--white-glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--clay)}.quiz-step{font-family:var(--font-body);font-weight:600;font-size:.85rem;color:var(--ink-soft);text-align:center}.quiz-question{font-family:var(--font-display);font-size:1.35rem;line-height:1.3;color:var(--ink);text-align:center;margin:10px 0 18px}.quiz-options{display:grid;gap:12px}.quiz-option{font-family:var(--font-body);font-weight:600;font-size:1.05rem;color:var(--ink);background:#fffdfb;border-radius:16px;padding:15px 18px;min-height:52px;box-shadow:var(--clay);transition:transform .16s ease,background .2s ease,color .2s ease,box-shadow .2s ease;text-align:left}.quiz-option:hover{filter:brightness(1.02)}.quiz-option:active{transform:scale(.97);box-shadow:var(--clay-press)}.quiz-option:focus-visible{outline:3px solid var(--lavender);outline-offset:2px}.quiz-option.correct{background:linear-gradient(180deg,#c7ecd2,#a9e0bb);color:#2f6b45;box-shadow:0 6px 16px #78c89680}.quiz-option.wrong{background:linear-gradient(180deg,#ffd5d8,#ffb9bf);color:#9a3a44}.quiz-feedback{min-height:28px;text-align:center;margin-top:14px;font-family:var(--font-script);font-size:1.3rem}.fb-wrong{color:var(--rose-gold)}.fb-correct{color:#3a9d63}.quiz-done{text-align:center;max-width:340px;margin:10px auto 0;background:var(--white-glass);border-radius:var(--radius);padding:28px 22px;box-shadow:var(--clay)}.quiz-done-heart{font-size:3rem;display:block;margin-bottom:8px}.quiz-done p{font-family:var(--font-script);font-size:1.5rem;color:var(--ink);line-height:1.35}.quiz-done-sub{color:var(--rose-gold)!important;margin-top:8px}.cake-section{position:relative;overflow:hidden;align-items:center;transition:background 1.4s ease}.cake-section.night{background:linear-gradient(180deg,#2a2342,#3a2c52 60%,#4a3560)}.night-sky{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none}.firefly{position:absolute;width:6px;height:6px;border-radius:50%;background:#fff3b0;box-shadow:0 0 8px 2px #fff0a0cc;animation:twinkle ease-in-out infinite}@keyframes twinkle{0%,to{opacity:0;transform:translateY(0) scale(.6)}50%{opacity:1;transform:translateY(-10px) scale(1)}}.cake-stage{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:18px}.cake-header{text-align:center}.cake-instruction{font-family:var(--font-script);font-size:1.3rem;color:var(--ink-soft);margin-top:6px;max-width:300px}.night .cake-instruction{color:#e8d7f1}.night .section-title{color:#ffd0d6}.cake-hint{font-family:var(--font-script);font-size:1.4rem;color:var(--rose-gold)}.cake{position:relative;width:220px;margin-top:30px;display:flex;flex-direction:column;align-items:center}.candle-btn{position:relative;z-index:4;margin-bottom:-6px;cursor:pointer;background:none;touch-action:manipulation}.candle-btn:disabled{cursor:default}.candle-btn:focus-visible{outline:3px solid var(--lavender);outline-offset:4px;border-radius:8px}.candle{position:relative;display:flex;flex-direction:column;align-items:center}.candle-stick{width:14px;height:46px;border-radius:4px;background:repeating-linear-gradient(45deg,#ff9aa2 0,#ff9aa2 8px,#fff 8px,#fff 16px);box-shadow:0 2px 4px #00000026}.flame{width:16px;height:24px;margin-bottom:4px;border-radius:50%/60% 60% 40% 40%;background:radial-gradient(circle at 50% 70%,#fff7b0,#ffb347 55%,#ff7b00 90%);box-shadow:0 0 18px 6px #ffaa3cb3;transform-origin:center bottom;animation:flicker .4s ease-in-out infinite alternate}@keyframes flicker{0%{transform:scaleY(1) rotate(-3deg);opacity:1}to{transform:scaleY(1.12) rotate(3deg);opacity:.9}}.flame.out{animation:snuffOut .6s ease forwards}@keyframes snuffOut{to{transform:scaleY(.1) translateY(-6px);opacity:0;box-shadow:none}}.smoke{position:absolute;top:-18px;width:8px;height:8px;border-radius:50%;background:#c8c8c880;animation:rise 1.4s ease-out forwards}@keyframes rise{0%{opacity:.6;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-40px) scale(2.4)}}.cake-top{width:150px;height:16px;border-radius:50%;background:linear-gradient(180deg,#fff,#ffe7ef);box-shadow:0 4px 8px #ff8b944d;z-index:3}.cake-frosting{display:flex;justify-content:center;gap:0;margin-top:-8px;z-index:3}.cake-frosting span{width:30px;height:26px;background:#fff;border-radius:0 0 50% 50%;box-shadow:0 4px 6px #ff8b9440}.cake-tier{width:200px;height:96px;border-radius:14px;background:linear-gradient(180deg,#ffc4cf,#ff9fb0);box-shadow:var(--soft-shadow);margin-top:-6px;position:relative;overflow:hidden}.sprinkles{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle,#fff 2px,transparent 3px),radial-gradient(circle,#e2f0cb 2px,transparent 3px),radial-gradient(circle,#e8d7f1 2px,transparent 3px);background-size:40px 40px,56px 56px,48px 48px;background-position:6px 10px,26px 30px,16px 50px;opacity:.85}.cake-plate{width:230px;height:16px;border-radius:50%;background:linear-gradient(180deg,#f0e3ff,#d8c2ec);margin-top:-4px;box-shadow:0 12px 22px #78508c4d}.letter-wrap{position:relative;z-index:3;width:100%;display:flex;justify-content:center;padding:20px 0}.letter-scroll{width:min(88vw,380px);background:#fffbf8f5;border-radius:20px;padding:28px 24px 32px;box-shadow:0 24px 60px #00000059;text-align:center}.letter-title{font-family:var(--font-display);font-size:1.7rem;color:var(--rose-gold);margin-bottom:18px}.letter-greeting{font-family:var(--font-display);font-size:1.4rem;color:var(--ink);margin-bottom:14px}.letter-para{font-family:var(--font-script);font-size:1.45rem;line-height:1.5;color:var(--ink);margin-bottom:16px}.letter-replay{margin:8px auto 18px}.letter-foot{font-family:var(--font-display);font-size:1.3rem;color:var(--rose-gold)}@media(prefers-reduced-motion:reduce){.flame{animation:none}.firefly{animation:none;opacity:.8}}.floating-hearts{position:fixed;top:0;right:0;bottom:0;left:0;max-width:480px;margin:0 auto;overflow:hidden;pointer-events:none;z-index:var(--z-bg)}.fh-item{position:absolute;bottom:-40px;opacity:0;will-change:transform,opacity;animation-name:floatUp;animation-timing-function:ease-in-out;animation-iteration-count:infinite;text-shadow:0 2px 6px rgba(255,139,148,.25)}@keyframes floatUp{0%{transform:translate(0) rotate(0) scale(.8);opacity:0}12%{opacity:.8}88%{opacity:.7}to{transform:translate(var(--drift),-108svh) rotate(40deg) scale(1.1);opacity:0}}@media(prefers-reduced-motion:reduce){.floating-hearts{display:none}}.app{position:relative;min-height:100svh;overflow:hidden}.locked-cake{min-height:100svh;display:grid;place-items:center;padding:30px}.locked-card{text-align:center;background:var(--white-glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius);padding:32px 26px;box-shadow:var(--clay);max-width:320px}.lock-icon{font-size:2.4rem;display:block;margin-bottom:10px}.locked-card p{font-family:var(--font-script);font-size:1.5rem;color:var(--ink);line-height:1.35}.locked-sub{color:var(--ink-soft)!important;font-size:1.25rem!important;margin-top:8px}:root{--pink: #ffb7b2;--peach: #ffdac1;--pastel-yellow: #e2f0cb;--rose-gold: #ff8b94;--lavender: #e8d7f1;--mint: #c7ece1;--cream: #fff7f3;--ink: #6b4a52;--ink-soft: #9b7c83;--white-glass: rgba(255, 255, 255, .72);--font-script: "Caveat", cursive;--font-display: "Pacifico", cursive;--font-body: "Quicksand", system-ui, sans-serif;--clay: 0 8px 18px rgba(255, 139, 148, .22), 0 2px 4px rgba(255, 139, 148, .18), inset 0 -3px 6px rgba(255, 139, 148, .12), inset 0 3px 6px rgba(255, 255, 255, .9);--clay-press: 0 3px 8px rgba(255, 139, 148, .25), inset 0 -2px 4px rgba(255, 139, 148, .18), inset 0 2px 5px rgba(255, 255, 255, .85);--soft-shadow: 0 14px 40px rgba(255, 139, 148, .28);--radius: 22px;--z-bg: 0;--z-content: 10;--z-float: 30;--z-modal: 50;--z-overlay: 70;color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font-body);color:var(--ink);background:radial-gradient(120% 80% at 80% -10%,var(--lavender) 0%,transparent 45%),radial-gradient(120% 90% at 0% 0%,var(--peach) 0%,transparent 40%),radial-gradient(140% 120% at 50% 110%,var(--pastel-yellow) 0%,transparent 50%),linear-gradient(160deg,#fff1ec,#fde7ef 55%,#f6ecfb);background-attachment:fixed;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}#root{position:relative;width:100%;max-width:480px;margin:0 auto;min-height:100%;box-shadow:0 0 80px #ff8b941f}img{display:block;max-width:100%}button{font-family:var(--font-body);border:none;background:none;cursor:pointer;color:inherit}a{color:var(--rose-gold)}::selection{background:var(--pink);color:#fff}.clay-btn{font-family:var(--font-body);font-weight:700;font-size:1.05rem;color:#fff;background:linear-gradient(180deg,var(--rose-gold),#ff7a85);border-radius:999px;padding:15px 30px;min-height:52px;box-shadow:var(--clay);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;cursor:pointer;touch-action:manipulation}.clay-btn:hover{filter:brightness(1.04)}.clay-btn:active{transform:scale(.95);box-shadow:var(--clay-press)}.clay-btn:focus-visible{outline:3px solid var(--lavender);outline-offset:3px}.section{position:relative;z-index:var(--z-content);padding:40px 22px 60px;min-height:100svh;display:flex;flex-direction:column;justify-content:center}.section-title{font-family:var(--font-display);font-size:clamp(1.9rem,8vw,2.6rem);color:var(--rose-gold);text-align:center;line-height:1.15;text-shadow:0 2px 0 #fff,0 6px 14px rgba(255,139,148,.25)}.section-kicker{font-family:var(--font-script);font-size:1.5rem;color:var(--ink-soft);text-align:center}.deck{height:100svh;overflow-y:auto;scroll-snap-type:y mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch}.deck>.snap{scroll-snap-align:start}.scroll-hint{position:absolute;bottom:18px;left:50%;transform:translate(-50%);font-family:var(--font-script);font-size:1.15rem;color:var(--ink-soft);display:flex;flex-direction:column;align-items:center;gap:2px;opacity:.8;animation:bobble 1.8s ease-in-out infinite;pointer-events:none}@keyframes bobble{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,7px)}}.blob{position:fixed;border-radius:50%;filter:blur(40px);opacity:.5;z-index:var(--z-bg);pointer-events:none}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}.scroll-hint{animation:none}}.deck::-webkit-scrollbar,.hscroll::-webkit-scrollbar{height:0;width:0;background:transparent}