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#0003}.envelope-back{position:absolute;width:100%;height:100%;background-color:#f0e6d4;border-radius:10px;z-index:1}.envelope-back:before,.envelope-back:after{content:"";position:absolute;width:0;height:0;border-style:solid}.envelope-back:before{left:0;bottom:0;border-width:200px 150px 0 150px;border-color:#e6d9c1 transparent transparent transparent}.envelope-back:after{right:0;top:0;border-width:0 150px 200px 150px;border-color:transparent transparent #d1c3ac transparent;z-index:3}.envelope-flap{position:absolute;width:100%;height:100px;background-color:#f0e6d4;transform-origin:top;transition:transform .7s ease-in-out;border-radius:10px 10px 0 0;z-index:4}.envelope-flap:before{content:"";position:absolute;top:0;left:0;width:0;height:0;border-style:solid;border-width:100px 150px 0 150px;border-color:#f7eee0 transparent transparent transparent}.paper{position:absolute;top:80px;left:5%;width:90%;height:180px;background-color:#fff;border-radius:5px;box-shadow:0 2px 5px #0000001a;padding:20px;box-sizing:border-box;z-index:-1;transition:all .7s ease-in-out .5s;display:flex;align-items:center;justify-content:center}.word-text{font-size:1.5rem;color:#333;font-family:Georgia,serif;font-style:italic;line-height:1.4}.heart-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:5;width:60px;height:60px;background-color:#ff5252;border:none;border-radius:50%;cursor:pointer;animation:pulse-heart 2s infinite;box-shadow:0 0 15px #ff5252;transition:all .3s ease}.envelope-wrapper.open .heart-btn{opacity:0;pointer-events:none}.heart-btn:before,.heart-btn:after{content:"";position:absolute;width:30px;height:50px;background:#ff5252;border-radius:50px 50px 0 0;top:15px}.heart-btn:before{left:30px;transform:rotate(-45deg);transform-origin:0 100%}.heart-btn:after{left:0;transform:rotate(45deg);transform-origin:100% 100%}@keyframes pulse-heart{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.envelope-wrapper.open .envelope-flap{transform:rotateX(180deg)}.envelope-wrapper.open .paper{transform:translateY(-120px);z-index:40}.edit-word textarea{width:100%;height:140px;padding:10px;border-radius:5px;border:1px solid #ddd;font-size:1.2rem;font-family:Georgia,serif;resize:none}.edit-buttons{display:flex;justify-content:center;gap:1rem;margin-top:1.5rem}.btn-edit,.btn-save,.btn-cancel{padding:.8rem 1.5rem;border-radius:25px;font-weight:600;transition:all .3s ease;border:none;cursor:pointer;color:#fff;box-shadow:0 2px 5px #0003}.btn-edit{background-color:#40c4ff}.btn-save{background-color:#69f0ae}.btn-cancel{background-color:#e0e0e0;color:#333}.comingsoon-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;text-align:center;color:#fff}.comingsoon-container h2{font-size:3rem;margin-bottom:1rem}.comingsoon-container p{font-size:1.5rem}.app-header{position:sticky;top:0;width:100%;background-color:var(--header-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:1rem 2rem;box-sizing:border-box;box-shadow:0 2px 10px #0003;display:flex;justify-content:space-between;align-items:center;z-index:1000;transition:background-color .3s ease}.logo-container{font-size:1.5rem;font-weight:700;color:#fff;text-decoration:none}.main-nav{display:flex;gap:1.5rem}.main-nav a{color:var(--text-color);text-decoration:none;font-size:1rem;font-weight:500;padding:.5rem 0;position:relative;transition:color .3s ease}.main-nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--primary-color);transition:width .3s ease}.main-nav a:hover:after,.main-nav a.active:after{width:100%}.main-nav a.active,.main-nav a:hover{color:#fff}.menu-toggle{display:none;flex-direction:column;cursor:pointer;gap:5px;z-index:1001}.menu-toggle .bar{width:25px;height:3px;background-color:#fff;border-radius:3px;transition:all .3s ease-in-out}.menu-toggle.open .bar:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.menu-toggle.open .bar:nth-child(2){opacity:0}.menu-toggle.open .bar:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}@media (max-width: 768px){.app-header{padding:1rem}.main-nav{display:none;flex-direction:column;justify-content:center;align-items:center;gap:2rem;position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#000000e6;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}.main-nav.active{display:flex}.main-nav a{font-size:1.5rem}.menu-toggle{display:flex}}:root{--primary-color: #ff8a80;--background-color: #121212;--text-color: #e0e0e0;--header-bg: rgba(28, 28, 30, .7)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background-color);color:var(--text-color)}#root{display:flex;flex-direction:column;min-height:100vh}.main-content{flex-grow:1;width:100%}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}html{box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}body{margin:0;font-family:Poppins,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(45deg,#ff8a80,#ff80ab,#80d8ff,#84ffff);background-size:400% 400%;animation:gradient 30s ease infinite;color:#fff;line-height:1.6}@keyframes gradient{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.container{max-width:1200px;margin:0 auto;padding:0 1rem}img{max-width:100%;height:auto}@media (max-width: 768px){body{font-size:14px}}@media (max-width: 480px){body{font-size:12px}}