:root{--bg-color: #f0f2f5;--paper-color: #fffdf0}body{margin:0;font-family:Courier New,Courier,monospace;background-color:var(--bg-color);overflow:hidden}.main-container{width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;position:relative}.paper{background:url(/assets/paper-Sg2iVQeA.jpeg) no-repeat center center;background-size:cover;width:90%;max-width:500px;aspect-ratio:3/4;padding:40px;box-sizing:border-box;display:flex;flex-direction:column;box-shadow:0 5px 15px #0003;border-radius:2px;position:relative}.text-body{flex-grow:1;display:flex;flex-direction:column;gap:15px;margin-top:20px}.fake-line{height:10px;background-color:#ccc;border-radius:5px;opacity:.6}.btn-finish{align-self:center;padding:10px 20px;background-color:#d1495b;color:#fff;border:none;border-radius:20px;cursor:pointer;font-size:1rem;margin-top:20px}.scene-container{width:100%;height:100%;position:relative;overflow:hidden;background:linear-gradient(to bottom,#87ceeb,#e0f6ff)}.flying-envelope{position:absolute;display:flex;align-items:center;justify-content:center}.stamp{position:absolute;top:10px;right:10px;font-size:20px;background:#fff;border-radius:3px;padding:2px}.cloud{font-size:50px;opacity:.5;filter:blur(2px)}.mailbox-bg{background-color:#e3f2fd;display:flex;flex-direction:column;justify-content:center;align-items:center}.center-content{text-align:center;cursor:pointer}.final-letter-container{width:100%;height:100%;display:flex;justify-content:center;align-items:center;background-color:#ffebee;overflow:hidden;position:relative}.final-paper{background:#fff;padding:40px;width:85%;max-width:600px;max-height:80vh;overflow-y:auto;box-shadow:0 10px 40px #0003;border-radius:8px;z-index:10;line-height:1.6}.heart{position:absolute;font-size:24px;z-index:1}.signature{margin-top:30px;font-style:italic;font-weight:700}