.light-rays-container{width:100%;height:100%;position:relative;pointer-events:none;z-index:3;overflow:hidden}.book-stage{position:relative;width:650px;max-width:92vw;height:450px;perspective:1400px;display:flex;perspective-origin:center center;align-items:center;justify-content:center;z-index:55}.book{position:relative;width:600px;height:400px;transform-style:preserve-3d}.book.opened{transform:rotateX(0) translateZ(0)}.page{position:absolute;top:0;left:300px;width:300px;height:100%;transform-style:preserve-3d;background:linear-gradient(135deg,#f7e7ce,#e8d4b0);border:2px solid rgba(205,127,50,.3);display:flex;flex-direction:column;justify-content:space-between;padding:30px;overflow:hidden}.page.left{transform-origin:left center;transform:rotateY(0);transition:transform 1.5s cubic-bezier(.25,.8,.25,1);z-index:2;backface-visibility:visible}.book.opened .page.left{transform:rotateY(-150deg)}.page.right{left:300px;transform-origin:right center;z-index:1}@media(max-width:768px){.book-stage{width:420px;height:300px;perspective:1000px}.book{width:400px;height:280px}.page{left:200px;width:200px;padding:20px}.page.right{left:200px}.message-line{font-size:14px;line-height:1.6}.nav-button{padding:6px 10px;font-size:11px}.page-indicator{font-size:10px}}@media(max-width:480px){.book-stage{width:360px;height:370px;perspective:800px}.book{width:360px;height:370px}.page{width:180px;left:180px;padding:16px 12px;justify-content:center}.page.right{left:180px}.message-line{font-size:12px;line-height:1.4;margin:3px 0;word-wrap:break-word;overflow-wrap:break-word}.page-navigation{margin-top:8px;padding-top:10px}.page-indicator{position:static;width:100%;text-align:center;margin-top:5px;bottom:auto;right:auto;left:auto;transform:none;font-size:9px;color:#8c6b5d;font-weight:700}.nav-button{font-size:10px;padding:4px 8px}}@media(max-width:360px){.book-stage{width:320px;height:340px;perspective:700px}.book{width:320px;height:340px}.page{width:160px;left:160px;padding:14px 10px;justify-content:center}.page.right{left:160px}.message-line{font-size:11px;line-height:1.4;margin:2px 0}.nav-button{font-size:9px;padding:3px 6px}.page-indicator{font-size:9px}}.page-content{flex:1;display:flex;flex-direction:column;justify-content:flex-start;gap:2px;animation:fadeInPage .3s ease-in-out forwards;overflow-y:auto;max-height:calc(100% - 60px);padding-right:4px}.page-content.fade-out{animation:fadeOutPage .3s ease-in-out forwards}@keyframes fadeInPage{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeOutPage{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}.page-text-line{margin:0;font-size:16px;line-height:1.6;color:#2d2d2d;font-family:Playfair Display,serif;text-align:center}.message-line{margin:0;font-size:16px;line-height:1.8;color:#2d2d2d;font-family:Playfair Display,serif;text-align:center;min-height:24px;word-wrap:break-word;overflow-wrap:break-word;white-space:normal}.message-line.completed,.message-line.typing{opacity:1}.cursor{display:inline-block;width:2px;height:1em;background-color:#2d2d2d;margin-left:2px;animation:blink .7s infinite}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:0}}.page-navigation{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:15px;padding-top:15px;border-top:1px solid rgba(205,127,50,.2)}.nav-button{background:linear-gradient(135deg,#cd7f32,#b87333);border:none;color:#f7e7ce;padding:8px 14px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s ease;box-shadow:0 4px 8px #cd7f3233}.nav-button:hover{transform:translateY(-2px);box-shadow:0 6px 12px #cd7f324d}.nav-button:active{transform:translateY(0)}.nav-previous{margin-right:auto}.nav-next{margin-left:auto}.page-indicator{position:absolute;bottom:8px;right:12px;font-size:12px;color:#2d2d2d99;font-weight:600}.envelope-container{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:40;padding:20px}.envelope-wrapper{position:relative;cursor:pointer;animation:envelopeIdle 4s ease-in-out infinite;animation-delay:.9s;z-index:40}.envelope-fly-in{animation:envelopeFlyIn .9s cubic-bezier(.25,.8,.25,1) forwards}@keyframes envelopeFlyIn{0%{transform:translateY(300px) scale(.5) rotate(-8deg) rotateX(15deg);opacity:1}to{transform:translateY(0) scale(1) rotate(0) rotateX(0);opacity:1}}.envelope-body{position:relative;width:360px;height:228px;border-radius:16px;background:linear-gradient(180deg,#1a1a20,#0d0d12);box-shadow:0 30px 60px #0006,inset 0 1px #cd7f321a;overflow:visible}.envelope-body:before{content:"";position:absolute;inset:0;border-radius:16px;border:1px solid #cd7f32;pointer-events:none;z-index:10}@keyframes envelopeIdle{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.envelope-front{position:relative;width:100%;height:100%;overflow:visible;z-index:3}.envelope-flap{position:absolute;top:0;left:0;width:100%;height:55%;background:linear-gradient(180deg,#cd7f32,#b87333);clip-path:polygon(0 0,50% 100%,100% 0);transform-origin:top center;transform-style:preserve-3d;backface-visibility:visible;transition:transform .7s cubic-bezier(.22,1,.36,1);z-index:5;box-shadow:inset 0 -6px 10px #00000026}.envelope-flap:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#e8b87a,#cd7f32);transform:rotateX(180deg)}.flap-open{transform:rotateX(-140deg) translateZ(-1px);z-index:0;box-shadow:inset 0 -8px 16px #0003}@keyframes flapHover{0%,to{transform:translateY(0) rotateX(0)}50%{transform:translateY(-4px)}}@keyframes flapPulse{0%,to{transform:rotateX(0)}50%{transform:rotateX(-15deg)}}.envelope-base{position:absolute;bottom:0;left:0;width:100%;height:60%;background:linear-gradient(180deg,#1a1a20,#0d0d12);border-top:1px solid rgba(205,127,50,.2);display:flex;align-items:center;justify-content:center;z-index:4}.envelope-design{width:38px;height:38px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#b87333,#cd7f32);box-shadow:0 6px 12px #0000004d,inset 0 2px 4px #f7e7ce4d;display:flex;align-items:center;justify-content:center;font-size:18px;z-index:6;color:#f7e7ce;transform:translateY(-18px)}@keyframes designPulse{0%,to{transform:scale(1) rotate(0)}50%{transform:scale(1.1) rotate(5deg)}}.design-icon{display:inline-block}.click-hint{position:absolute;bottom:-40px;left:0;width:100%;transform:translate(-50%);color:#cd7f32;font-size:14px;font-weight:600;animation:hintPulse 1.5s ease-in-out infinite;z-index:0;white-space:nowrap;text-align:center}@keyframes hintPulse{0%,to{opacity:.6;transform:translate(-50%)}50%{opacity:1;transform:translate(-50%,-4px)}}.card-slot{position:absolute;bottom:0;left:50%;width:200px;height:280px;transform:translate(-50%) translateY(0);background:linear-gradient(135deg,#f7e7ce,#e8d4b0);border-radius:12px;opacity:0;visibility:hidden;box-shadow:0 20px 40px #0003;transition:transform .9s cubic-bezier(.25,.8,.25,1);z-index:8}.card-slot.card-visible{opacity:1;visibility:visible}.card-slot.card-out{transform:translate(-50%) translateY(-180px)}.card-preview{width:100%;height:100%;background:linear-gradient(135deg,#f0e9e3,#e8ddd5);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:40px;border:1px solid #dfc8c1}.card-reveal{animation:cardReveal 1s cubic-bezier(.25,.8,.25,1) forwards}@keyframes cardReveal{0%{opacity:0;transform:scale(.95) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}@media(max-width:768px){.envelope-body{width:260px;height:170px}.card-slot{width:180px;height:240px}.card-slot.card-out{transform:translate(-50%) translateY(-160px)}}@media(max-width:480px){.envelope-body{width:220px;height:150px}.envelope-design{width:32px;height:32px;font-size:16px}.card-slot{width:150px;height:200px}.card-slot.card-out{transform:translate(-50%) translateY(-140px)}.click-hint{font-size:12px;bottom:-35px}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.app{width:100%;height:100%;background:#0d0d12;display:flex;align-items:center;justify-content:center;padding:20px;overflow:hidden;position:relative}.app:before{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");opacity:.03;pointer-events:none;mix-blend-mode:overlay;z-index:100}.background-rays{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none;opacity:.8}.content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px}.cake-container{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px}.candles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:absolute;top:-60px;left:50%;transform:translate(-50%);perspective:1000px;z-index:10;width:180px;justify-items:center}.cake{position:relative;display:flex;flex-direction:column;align-items:center;filter:drop-shadow(0 8px 16px rgba(205,127,50,.2));transform:scale(1.3);transform-origin:center}.cake-layer{display:flex;align-items:center;justify-content:center;border-radius:12px 12px 0 0;position:relative;background:transparent;border:2px solid #cd7f32;border-bottom:none;box-shadow:none}.cake-layer-1{width:180px;height:50px;background:transparent;border-radius:16px 16px 8px 8px}.cake-layer-2{width:220px;height:55px;background:transparent;border-radius:20px 20px 10px 10px;margin-top:-12px}.cake-layer-3{width:260px;height:60px;background:transparent;border-radius:24px 24px 12px 12px;margin-top:-15px;border-bottom:1px solid #cd7f32!important}.cake-decoration{width:200px;height:15px;background:linear-gradient(90deg,transparent,#f7e7ce 50%,transparent);border-radius:50%;margin-bottom:-8px;filter:blur(2px);opacity:.4;z-index:1}.candle{position:relative;width:22px;display:flex;flex-direction:column;align-items:center;animation:candleHover 2s ease-in-out infinite}@keyframes candleHover{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.candle-body{width:12px;height:42px;background:#cd7f320d;border-radius:4px;border:1px solid rgba(205,127,50,.8)}.cake-layer{display:flex;align-items:center;justify-content:center;border-radius:12px 12px 0 0;position:relative;background:linear-gradient(to bottom,rgba(205,127,50,.08),transparent);border:1px solid #cd7f32;border-bottom:none;box-shadow:inset 0 0 15px #00000080}.wick{width:2px;height:6px;background:#1f2937}.flame{width:14px;height:22px;margin-bottom:4px;background:#ffb43ce6;border-radius:50% 50% 35% 35%;border:none;box-shadow:0 0 10px 2px #ffa00099,0 -5px 20px 5px #ff640066;animation:flicker 2s infinite alternate ease-in-out}@keyframes flicker{0%{transform:scale(1) rotate(-2deg);opacity:.8;filter:blur(0px)}50%{opacity:1;filter:blur(1px)}to{transform:scale(1.1) rotate(2deg);opacity:.8;filter:blur(0px)}}.smoke{width:12px;height:12px;border-radius:50%;background:#c8c8c899;-webkit-animation:smoke 1.2s ease-out forwards;animation:smoke 1.2s ease-out forwards;margin-bottom:6px;will-change:transform,opacity}@keyframes smoke{0%{opacity:.8;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-20px) scale(1.8)}}.overlay{position:fixed;inset:0;background:#0d0d12fa;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;cursor:pointer;animation:fadeIn .6s ease}.overlay-content{color:#f7e7ce;font-family:Playfair Display,serif;font-size:clamp(20px,5vw,32px);font-weight:400;padding:clamp(16px,4vw,36px) clamp(32px,8vw,56px);border-radius:2px;background:none;border:1px solid rgba(205,127,50,.2);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);-webkit-animation:gentlePulse 2.5s ease-in-out infinite;animation:gentlePulse 2.5s ease-in-out infinite;-webkit-user-select:none;user-select:none;text-align:center;letter-spacing:1.5px;text-shadow:0 4px 16px rgba(0,0,0,.5)}@keyframes gentlePulse{0%{transform:scale(1);opacity:.7}50%{transform:scale(1.04);opacity:1}to{transform:scale(1);opacity:.7}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(max-width:768px){.cake{transform:scale(1.1)}.candles-grid{gap:12px;top:-55px;width:140px}.cake-layer-1{width:140px;height:40px}.cake-layer-2{width:180px;height:45px;margin-top:-10px}.cake-layer-3{width:220px;height:50px;margin-top:-12px}.cake-decoration{width:160px}.flame{width:14px;height:20px}.candle-body{width:11px;height:32px}}@media(max-width:480px){.cake{transform:scale(.9)}.candles-grid{gap:10px;top:-50px;width:120px}.candle-body{width:10px;height:28px}.flame{width:12px;height:18px}}.blow-hint{margin-top:40px;color:#f7e7ce66;font-family:Inter,sans-serif;font-size:13px;font-weight:300;letter-spacing:.5px;animation:hintPulse 3s ease-in-out infinite;transition:opacity .5s ease}.blow-hint.fade-out{opacity:0;visibility:hidden}@keyframes hintPulse{0%,to{opacity:.3;transform:translateY(0)}50%{opacity:.7;transform:translateY(-2px)}}@media(max-width:480px){.blow-hint{margin-top:35px;font-size:10px}}