@import"https://fonts.googleapis.com/css2?family=Caveat:wght@400;600;700&family=Inter:wght@300;400;500;600&display=swap";:root{--bg: #e8e0d4;--paper: #faf8f4;--paper-lines: #e0d8cc;--text: #3a3028;--text-light: #8a7e72;--envelope: #c9b994;--envelope-dark: #b5a47e;--envelope-flap: #bfae8e;--envelope-inner: #ddd5c6;--accent: #b86e4a;--danger: #b85a5a;--shadow: rgba(80, 60, 40, .12);--shadow-deep: rgba(80, 60, 40, .22);--hand: "Caveat", cursive;--sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--sans);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;overflow-x:hidden}button{cursor:pointer;font-family:var(--sans);border:none;background:none;color:inherit}input,textarea{font-family:var(--hand);color:var(--text);background:transparent;border:none;outline:none;font-size:1.15rem}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-thumb{background:var(--envelope-dark);border-radius:3px}.scene{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem;position:relative}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.login-envelope{position:relative;width:340px;height:230px}.login-envelope-body{position:absolute;inset:0;background:var(--envelope);border-radius:6px;box-shadow:0 2px 8px var(--shadow),0 8px 30px var(--shadow-deep),inset 0 1px #ffffff26}.login-envelope-fold{position:absolute;inset:0;overflow:hidden}.login-envelope-fold:before,.login-envelope-fold:after{content:"";position:absolute;bottom:0;width:50%;height:100%}.login-envelope-fold:before{left:0;border-right:1px solid rgba(0,0,0,.06);transform-origin:bottom left;transform:skewY(16deg)}.login-envelope-fold:after{right:0;border-left:1px solid rgba(0,0,0,.06);transform-origin:bottom right;transform:skewY(-16deg)}.login-flap{position:absolute;top:0;left:0;right:0;height:55%;background:var(--envelope-flap);clip-path:polygon(0 0,100% 0,50% 100%);z-index:2;box-shadow:0 2px 4px #0000000d}.login-flap-inner{position:absolute;top:0;left:0;right:0;height:55%;background:var(--envelope-inner);clip-path:polygon(0 0,100% 0,50% 100%);z-index:1}.login-card{position:absolute;top:-60px;left:24px;right:24px;background:var(--paper);border-radius:4px;padding:1.5rem 1.25rem;box-shadow:0 2px 12px var(--shadow);z-index:3;display:flex;flex-direction:column;gap:.6rem;align-items:center}.login-card input{width:100%;padding:.6rem 0;border-bottom:1px solid var(--paper-lines);text-align:center;font-size:1.2rem}.login-card input::placeholder{color:var(--text-light)}.login-error{font-family:var(--hand);font-size:.95rem;color:var(--danger)}.login-card button{margin-top:.25rem;padding:.5rem 2rem;background:var(--accent);color:#fff;border-radius:4px;font-family:var(--hand);font-size:1.1rem;font-weight:600;transition:opacity .15s}.login-card button:disabled{opacity:.5}.archive-btn{position:fixed;top:1rem;right:1.25rem;font-family:var(--hand);font-size:1rem;color:var(--text-light);z-index:50;transition:color .15s}.archive-btn:hover{color:var(--text)}.envelope-scene{display:flex;align-items:center;justify-content:center}.stack{position:relative;width:340px;height:230px}.envelope-item{position:absolute;inset:0;transition:transform .3s ease,box-shadow .3s ease}.envelope-item.top{cursor:pointer}.envelope-item.top:hover{transform:translateY(-6px)!important}.stack-count{position:absolute;top:-10px;right:-10px;width:28px;height:28px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600;z-index:20;box-shadow:0 2px 8px var(--shadow)}.env-body{position:absolute;inset:0;background:var(--envelope);border-radius:6px;box-shadow:0 2px 8px var(--shadow),0 8px 30px var(--shadow-deep),inset 0 1px #ffffff26;overflow:hidden}.env-fold{position:absolute;inset:0}.env-fold:before,.env-fold:after{content:"";position:absolute;bottom:0;width:50%;height:100%}.env-fold:before{left:0;border-right:1px solid rgba(0,0,0,.06);transform-origin:bottom left;transform:skewY(16deg)}.env-fold:after{right:0;border-left:1px solid rgba(0,0,0,.06);transform-origin:bottom right;transform:skewY(-16deg)}.env-flap{position:absolute;top:0;left:0;right:0;height:55%;background:var(--envelope-flap);clip-path:polygon(0 0,100% 0,50% 100%);z-index:1}.env-sender{position:absolute;bottom:14px;left:50%;transform:translate(-50%);font-family:var(--hand);font-size:1.05rem;color:var(--text-light);z-index:2}.env-date{position:absolute;top:14px;left:16px;font-size:.7rem;color:var(--text-light);z-index:2;opacity:.7}.env-stamp{position:absolute;top:10px;right:12px;width:32px;height:38px;background:var(--accent);border-radius:2px;z-index:2;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:#fff;font-weight:600;box-shadow:0 1px 4px var(--shadow)}.env-stamp:before{content:"";position:absolute;inset:2px;border:1px dashed rgba(255,255,255,.3);border-radius:1px}.letter-scene{display:flex;align-items:center;justify-content:center;width:100%;max-width:560px}.letter-card{width:100%;background:var(--paper);border-radius:4px;box-shadow:0 1px 3px var(--shadow),0 8px 32px var(--shadow-deep);position:relative}.letter-card-inner{padding:2.5rem 2rem 2rem;min-height:300px}.letter-subject{font-family:var(--hand);font-size:1.6rem;font-weight:700;margin-bottom:.75rem;line-height:1.3}.letter-meta{font-family:var(--hand);font-size:.95rem;color:var(--text-light);margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--paper-lines)}.letter-body{font-family:var(--hand);font-size:1.25rem;line-height:2}.letter-body p{margin-bottom:.25rem}.letter-images{margin-top:1.5rem;display:flex;gap:1rem;flex-wrap:wrap}.letter-img{max-width:280px;border-radius:4px;box-shadow:0 2px 8px var(--shadow)}.letter-done{display:block;width:100%;padding:.9rem;font-family:var(--hand);font-size:1.1rem;font-weight:600;color:var(--accent);border-top:1px solid var(--paper-lines);transition:background .15s}.letter-done:hover{background:#00000005}.compose-scene{width:100%;max-width:560px;display:flex;flex-direction:column;gap:1.5rem}.compose-envelope{position:relative}.compose-env-back{position:absolute;bottom:-20px;left:10px;right:10px;height:80px;background:var(--envelope);border-radius:0 0 6px 6px;box-shadow:0 6px 20px var(--shadow-deep);z-index:0}.compose-env-back:before,.compose-env-back:after{content:"";position:absolute;top:0;width:50%;height:100%}.compose-env-back:before{left:0;border-right:1px solid rgba(0,0,0,.05);transform-origin:top left;transform:skewY(-8deg)}.compose-env-back:after{right:0;border-left:1px solid rgba(0,0,0,.05);transform-origin:top right;transform:skewY(8deg)}.compose-card{position:relative;z-index:1;background:var(--paper);border-radius:4px;box-shadow:0 1px 3px var(--shadow),0 6px 24px var(--shadow-deep)}.compose-card-inner{padding:1rem 1.75rem .5rem;min-height:320px;background-image:repeating-linear-gradient(transparent,transparent 31px,var(--paper-lines) 31px,var(--paper-lines) 32px);background-position:0 6px}.compose-subject{width:100%;font-size:1.3rem;font-weight:600;height:32px;line-height:32px;padding:0;margin:0}.compose-subject::placeholder{color:var(--text-light)}.compose-body{width:100%;min-height:192px;resize:none;font-size:1.15rem;line-height:32px;padding:0}.compose-body::placeholder{color:var(--text-light)}.compose-img-btn{color:var(--text-light);padding:.4rem;border-radius:4px;transition:color .15s,background .15s;display:flex;align-items:center}.compose-img-btn:hover{color:var(--text);background:#0000000a}.compose-images{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:.75rem;padding-top:.5rem}.compose-img-thumb{position:relative;width:80px;height:80px;border-radius:4px;overflow:hidden;box-shadow:0 2px 8px var(--shadow)}.compose-img-thumb img{width:100%;height:100%;object-fit:cover}.compose-img-thumb button{position:absolute;top:2px;right:2px;width:20px;height:20px;background:#00000080;color:#fff;border-radius:50%;font-size:.75rem;line-height:1;display:flex;align-items:center;justify-content:center}.compose-envelope.drag-over{outline:2px dashed var(--accent);outline-offset:4px;border-radius:8px}.compose-actions{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.75rem;border-top:1px solid var(--paper-lines)}.compose-send{padding:.5rem 1.75rem;background:var(--accent);color:#fff;border-radius:4px;font-family:var(--hand);font-size:1.1rem;font-weight:600;transition:opacity .15s}.compose-send:disabled{opacity:.4}.sent-scene{text-align:center}.sent-envelope{position:relative;width:100px;height:68px;margin:0 auto 1.5rem;animation:float 2.5s ease-in-out infinite}.sent-env-body{position:absolute;inset:0;background:var(--envelope);border-radius:6px;box-shadow:0 4px 16px var(--shadow),inset 0 1px #ffffff26;overflow:hidden}.sent-env-fold{position:absolute;inset:0}.sent-env-fold:before,.sent-env-fold:after{content:"";position:absolute;bottom:0;width:50%;height:100%}.sent-env-fold:before{left:0;border-right:1px solid rgba(0,0,0,.06);transform-origin:bottom left;transform:skewY(16deg)}.sent-env-fold:after{right:0;border-left:1px solid rgba(0,0,0,.06);transform-origin:bottom right;transform:skewY(-16deg)}.sent-env-flap{position:absolute;top:0;left:0;right:0;height:55%;background:var(--envelope-flap);clip-path:polygon(0 0,100% 0,50% 100%);z-index:1}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-16px) rotate(2deg)}}.sent-text{font-family:var(--hand);font-size:1.4rem;color:var(--text);margin-bottom:1.5rem}.sent-again{font-family:var(--hand);font-size:1.05rem;color:var(--text-light);border-bottom:1px solid var(--text-light);padding-bottom:2px;transition:color .15s}.sent-again:hover{color:var(--text)}.archive-overlay{position:fixed;inset:0;background:#0000004d;z-index:100;display:flex;justify-content:flex-end}.archive-drawer{width:100%;max-width:400px;background:var(--paper);height:100%;overflow-y:auto;box-shadow:-4px 0 24px var(--shadow-deep)}.archive-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--paper-lines);font-family:var(--hand);font-size:1.2rem;font-weight:600;position:sticky;top:0;background:var(--paper);z-index:2}.archive-header button{font-size:1.5rem;color:var(--text-light);line-height:1}.archive-list{padding:.5rem 0}.archive-item{display:flex;align-items:center;gap:.75rem;width:100%;padding:1rem 1.5rem;text-align:left;transition:background .12s;font-family:var(--hand);font-size:1.05rem}.archive-item:hover{background:#00000008}.archive-item-from{font-weight:600;min-width:50px}.archive-item-subject{flex:1;color:var(--text-light);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.archive-item-date{font-size:.85rem;color:var(--text-light);opacity:.7}.archive-empty{text-align:center;padding:3rem;font-family:var(--hand);font-size:1.1rem;color:var(--text-light)}.archive-reading{padding:1.5rem}.archive-back{font-family:var(--hand);font-size:1rem;color:var(--text-light);margin-bottom:1rem;display:block}.archive-back:hover{color:var(--text)}@media(max-width:480px){.login-envelope{width:300px;height:200px}.login-card{left:16px;right:16px;top:-50px;padding:1.25rem 1rem}.stack{width:300px;height:200px}.letter-card-inner{padding:1.75rem 1.25rem}.compose-card-inner{padding:.75rem 1.25rem .5rem}.compose-actions{padding:.75rem 1.25rem}}