@font-face{font-family:CustomBangla;src:url(https://text-to-handwriting-maker.vercel.app/fonts/Bangla_Font.ttf) format("truetype");font-display:swap}.theme-root-birthday,.theme-root-birthday *{margin:0;padding:0;box-sizing:border-box}.theme-root-birthday{--env-scale:1;height:100%;max-width:100vw;overflow:hidden;background:#ffecb3;background-image:radial-gradient(circle at 20% 30%,rgba(255,64,129,.15) 0,transparent 60%),radial-gradient(circle at 80% 70%,rgba(63,81,181,.15) 0,transparent 60%);display:flex;align-items:center;justify-content:center;font-family:CustomBangla,Hind Siliguri,sans-serif;perspective:1200px}.theme-root-birthday:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.6;background-image:radial-gradient(circle at 50% -5%,#ff4081 2px,transparent 3px),radial-gradient(circle at 30% 15%,#00bcd4 3px,transparent 4px),radial-gradient(circle at 70% 25%,#4caf50 2.5px,transparent 3.5px),radial-gradient(circle at 10% 45%,#ffeb3b 3px,transparent 4px),radial-gradient(circle at 90% 55%,#9c27b0 2px,transparent 3px),radial-gradient(circle at 40% 75%,#ff5722 3.5px,transparent 4.5px),radial-gradient(circle at 80% 85%,#e91e63 2.5px,transparent 3.5px),radial-gradient(circle at 20% 95%,#3f51b5 3px,transparent 4px);background-size:150px 150px}.theme-root-birthday .env-wrapper{position:relative;transform:scale(var(--env-scale));margin-top:50px;z-index:10}.theme-root-birthday #envelope-wrap{position:relative;width:420px;height:280px;cursor:pointer;transition:transform .3s ease}.theme-root-birthday .envelope{width:100%;height:100%;position:relative;filter:drop-shadow(0 20px 40px rgba(0,0,0,.3))}.theme-root-birthday .env-body{position:absolute;inset:0;background:linear-gradient(160deg,#ff4081,#e91e63 50%,#c2185b);border-radius:4px;overflow:hidden;z-index:1}.theme-root-birthday .env-body:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,transparent,transparent 15px,rgba(255,255,255,.05) 0,rgba(255,255,255,.05) 30px)}.theme-root-birthday .env-bottom,.theme-root-birthday .env-left,.theme-root-birthday .env-right{position:absolute;z-index:3;width:0;height:0}.theme-root-birthday .env-left{left:0;border-left:210px solid #d81b60}.theme-root-birthday .env-left,.theme-root-birthday .env-right{bottom:0;border-top:140px solid transparent;border-bottom:140px solid transparent}.theme-root-birthday .env-right{right:0;border-right:210px solid #ad1457}.theme-root-birthday .env-bottom{bottom:0;border-bottom:150px solid #c2185b}.theme-root-birthday .env-bottom,.theme-root-birthday .env-flap{left:0;border-left:210px solid transparent;border-right:210px solid transparent}.theme-root-birthday .env-flap{position:absolute;top:0;width:0;height:0;border-top:160px solid #f06292;transform-origin:top center;transform:rotateX(0deg);transition:transform .8s cubic-bezier(.4,0,.2,1),z-index 0s .4s;filter:drop-shadow(0 4px 8px rgba(0,0,0,.15));z-index:4}.theme-root-birthday .env-flap.open{transform:rotateX(-180deg);z-index:1}.theme-root-birthday .seal{position:absolute;top:110px;left:50%;transform:translateX(-50%);width:54px;height:54px;background:radial-gradient(circle at 40% 35%,#fff59d,#fbc02d);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#e65100;box-shadow:0 4px 12px rgba(0,0,0,.2),inset 0 2px 4px rgba(255,255,255,.4);z-index:5;transition:opacity .3s,transform .3s}.theme-root-birthday .seal.hide{opacity:0;transform:translateX(-50%) scale(.5);pointer-events:none}.theme-root-birthday .hint{text-align:center;color:#c2185b;font-size:.85rem;font-weight:600;letter-spacing:.1em;margin-top:25px;animation:blink 2s ease-in-out infinite}@keyframes blink{0%,to{opacity:.5}50%{opacity:1}}.theme-root-birthday #paper-wrap{position:absolute;left:50%;bottom:15px;transform:translateX(-50%);width:360px;height:133px;z-index:2;perspective:1500px;transform-style:preserve-3d;transition:transform 1.2s cubic-bezier(.16,1,.3,1);pointer-events:none}.theme-root-birthday #paper-wrap.rising{transform:translate(-50%,-160px)}.theme-root-birthday .segment-base{position:absolute;inset:0;transform-style:preserve-3d}.theme-root-birthday .segment-bottom,.theme-root-birthday .segment-top{position:absolute;left:0;right:0;height:133px;transform-style:preserve-3d}.theme-root-birthday .segment-top{bottom:100%;transform-origin:bottom center;transform:rotateX(-179.5deg);transition:transform .9s cubic-bezier(.4,0,.2,1) .9s;z-index:3}.theme-root-birthday .segment-bottom{top:100%;transform-origin:top center;transform:rotateX(179.5deg);transition:transform .9s cubic-bezier(.4,0,.2,1) 1.4s;z-index:2}.theme-root-birthday #paper-wrap.rising .segment-bottom,.theme-root-birthday #paper-wrap.rising .segment-top{transform:rotateX(0deg)}.theme-root-birthday .paper-back,.theme-root-birthday .paper-front{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:2px}.theme-root-birthday .segment-top .paper-front{background:linear-gradient(180deg,#ffffff,#fdfbf7)}.theme-root-birthday .segment-base .paper-front{background:linear-gradient(180deg,#fdfbf7,#f7f3e8)}.theme-root-birthday .segment-bottom .paper-front{background:linear-gradient(180deg,#f7f3e8,#f0ead6)}.theme-root-birthday .paper-back{background:linear-gradient(180deg,#f0ead6,#e6dfc8);transform:rotateX(180deg);box-shadow:inset 0 0 15px rgba(0,0,0,.05);border:1px solid rgba(0,0,0,.05)}.theme-root-birthday .ruled-lines{position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(180deg,transparent,transparent 31px,rgba(233,30,99,.1) 0,rgba(233,30,99,.1) 32px);background-size:100% 32px}.theme-root-birthday .crease{position:absolute;left:0;right:0;height:2px;background-image:linear-gradient(90deg,transparent,rgba(0,0,0,.05),transparent);z-index:10}.theme-root-birthday .crease-bottom{bottom:-1px;background-color:#fdfbf7}.theme-root-birthday .crease-top{top:-1px;background-color:#f7f3e8}.theme-root-birthday #full-view{display:none;opacity:0;transition:opacity .8s ease;position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100dvh;background:#ffecb3;background-image:radial-gradient(circle at 20% 30%,rgba(255,64,129,.15) 0,transparent 60%),radial-gradient(circle at 80% 70%,rgba(63,81,181,.15) 0,transparent 60%);overflow-y:auto;overflow-x:hidden;padding:60px 15px 120px;z-index:100}.theme-root-birthday #full-view:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.6;background-image:radial-gradient(circle at 50% -5%,#ff4081 2px,transparent 3px),radial-gradient(circle at 30% 15%,#00bcd4 3px,transparent 4px),radial-gradient(circle at 70% 25%,#4caf50 2.5px,transparent 3.5px),radial-gradient(circle at 10% 45%,#ffeb3b 3px,transparent 4px),radial-gradient(circle at 90% 55%,#9c27b0 2px,transparent 3px),radial-gradient(circle at 40% 75%,#ff5722 3.5px,transparent 4.5px),radial-gradient(circle at 80% 85%,#e91e63 2.5px,transparent 3.5px),radial-gradient(circle at 20% 95%,#3f51b5 3px,transparent 4px);background-size:150px 150px}.theme-root-birthday #full-view.active{display:block}.theme-root-birthday #full-view.visible{opacity:1}.theme-root-birthday #full-paper{width:100%;max-width:850px;margin:0 auto;background:#ffffff;background-image:radial-gradient(circle at 100% 100%,#fff9e6 0,#ffffff 50%);border-radius:12px;padding:70px 50px 70px 70px;box-shadow:0 40px 100px rgba(0,0,0,.15);position:relative;animation:paper-appear .7s ease forwards;border:1px solid rgba(0,0,0,.05)}@keyframes paper-appear{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.theme-root-birthday .margin-line{position:absolute;top:0;bottom:0;left:55px;width:2px;background:rgba(233,30,99,.2);z-index:0}.theme-root-birthday .letter-content-wrapper{position:relative;z-index:2}.theme-root-birthday .letter-date{font-family:CustomBangla,Kalam,cursive;font-size:1.2rem;color:#880e4f;text-align:right;margin-bottom:30px;opacity:.8}.theme-root-birthday .letter-salutation{font-size:1.6rem;color:#c2185b;margin-bottom:25px;font-weight:600}.theme-root-birthday .full-line{font-size:1.35rem;line-height:1.8;color:#374151;display:block;margin-bottom:20px;word-break:break-word;overflow-wrap:break-word}.theme-root-birthday .letter-closing{font-size:1.35rem;color:#c2185b;text-align:right;margin-top:50px;font-weight:500}.theme-root-birthday .letter-closing .sig{font-family:CustomBangla,Kalam,cursive;font-size:2.2rem;font-weight:400;color:#e91e63;margin-top:8px;transform:rotate(-2deg)}.theme-root-birthday .decoration{position:fixed;bottom:25px;right:30px;font-size:3rem;animation:bounce 3s ease-in-out infinite;filter:drop-shadow(0 4px 6px rgba(0,0,0,.1));z-index:200;pointer-events:none}@keyframes bounce{0%,to{transform:translateY(0) scale(1) rotate(-5deg)}50%{transform:translateY(-15px) scale(1.05) rotate(5deg)}}@media (max-width:600px){.theme-root-birthday{--env-scale:0.9}}@media (max-width:480px){.theme-root-birthday{--env-scale:0.85}.theme-root-birthday #full-view{padding:20px 10px 100px}.theme-root-birthday #full-paper{padding:40px 15px 40px 35px;border-radius:12px}.theme-root-birthday .margin-line{left:25px}.theme-root-birthday .full-line{font-size:1.15rem;line-height:1.6;margin-bottom:12px}.theme-root-birthday .letter-salutation{font-size:1.45rem}.theme-root-birthday .decoration{bottom:15px;right:15px;font-size:2.5rem}}@media (max-width:380px){.theme-root-birthday{--env-scale:0.8}.theme-root-birthday #full-paper{padding:35px 12px 35px 30px}.theme-root-birthday .margin-line{left:20px}.theme-root-birthday .full-line{font-size:1.05rem;line-height:1.5}}@media (max-width:320px){.theme-root-birthday{--env-scale:0.7}}.theme-root-birthday{min-height:100vh;width:100%;position:relative}