@import"https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap";:root{--bg-color: #111827;--envelope-color: #f5f2e8;--envelope-dark: #e6dfd1;--envelope-shadow: rgba(0, 0, 0, .4);--paper-color: #fffdfa;--text-main: #2b2623;--accent-gold: #d4af37;--accent-rose: #e07a5f;--photo-border: #ffffff;--radius-polaroid: 6px;--font-heading: "Cormorant Garamond", Georgia, serif;--font-body: "Plus Jakarta Sans", sans-serif}*{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none}html,body{width:100%;height:100%;overflow:hidden;background-color:var(--bg-color);font-family:var(--font-body);color:#fff}#bg-canvas,#confetti-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}#confetti-canvas{z-index:50}.glow-background{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,#e07a5f26,#d4af3714 40%,#11182700 70%);border-radius:50%;pointer-events:none;z-index:0;animation:pulse-glow 8s ease-in-out infinite alternate}@keyframes pulse-glow{0%{transform:translate(-50%,-50%) scale(.9);opacity:.7}to{transform:translate(-50%,-50%) scale(1.2);opacity:1}}.loader-screen{position:fixed;top:0;right:0;bottom:0;left:0;background-color:var(--bg-color);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .8s ease,visibility .8s ease}.loader-screen.hidden{opacity:0;visibility:hidden;pointer-events:none}.loader-spinner-wrapper{position:relative;width:80px;height:80px;margin-bottom:24px}.loader-spinner{width:100%;height:100%;border:3px solid rgba(255,255,255,.08);border-top-color:var(--accent-gold);border-right-color:var(--accent-rose);border-radius:50%;animation:spin 1.2s cubic-bezier(.5,0,.5,1) infinite}.loader-heart{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:20px;animation:pulse-heart 1.2s ease infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse-heart{0%,to{transform:translate(-50%,-50%) scale(.9)}50%{transform:translate(-50%,-50%) scale(1.15)}}.loader-text{font-family:var(--font-heading);font-size:1.25rem;letter-spacing:2px;color:#ffffffe6;margin-bottom:12px}.loader-progress-bar{width:200px;height:4px;background:#ffffff1a;border-radius:4px;overflow:hidden}.loader-progress-fill{width:0%;height:100%;background:linear-gradient(90deg,var(--accent-gold),var(--accent-rose));border-radius:4px;transition:width .3s ease}.top-toolbar{position:fixed;top:20px;right:20px;z-index:100;display:flex;gap:10px}.tool-btn{width:44px;height:44px;border-radius:50%;background:#ffffff1a;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003}.tool-btn:hover{background:#ffffff40;transform:translateY(-2px)}.tool-btn svg{width:20px;height:20px;fill:currentColor}.eq-bars{display:flex;align-items:flex-end;gap:2px;height:16px}.eq-bar{width:3px;height:100%;background-color:var(--accent-gold);border-radius:2px;animation:eq-bounce 1s ease-in-out infinite alternate}.eq-bar:nth-child(1){animation-delay:.1s}.eq-bar:nth-child(2){animation-delay:.3s}.eq-bar:nth-child(3){animation-delay:.5s}.muted .eq-bar{animation:none!important;height:3px!important;background-color:#fff6}@keyframes eq-bounce{0%{height:4px}to{height:16px}}.scene-container{position:relative;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:10;perspective:1200px;transition:transform 1.2s cubic-bezier(.25,1,.5,1)}.scene-container.zoom-in{transform:scale(1.04) translateY(-10px)}.envelope-wrapper{position:relative;width:320px;height:220px;cursor:pointer;animation:float-idle 4s ease-in-out infinite alternate;transition:transform .6s cubic-bezier(.34,1.56,.64,1);transform-style:preserve-3d;z-index:20}@media(min-width:640px){.envelope-wrapper{width:420px;height:280px}}@keyframes float-idle{0%{transform:translateY(0) rotate(0)}50%{transform:translateY(-12px) rotate(1deg)}to{transform:translateY(-4px) rotate(-1deg)}}.envelope-wrapper:hover{transform:translateY(-8px) scale(1.02)}.envelope-shadow-blur{position:absolute;bottom:-35px;left:10%;width:80%;height:25px;background:#00000080;border-radius:50%;filter:blur(15px);transition:transform .6s ease,opacity .6s ease}.envelope-wrapper:hover .envelope-shadow-blur{transform:scale(.9);opacity:.6}.envelope{position:relative;width:100%;height:100%;background-color:var(--envelope-dark);border-radius:8px;box-shadow:0 15px 35px var(--envelope-shadow);transform-style:preserve-3d}.envelope-pocket-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-color:#d1c6b3;border-radius:8px;overflow:hidden}.envelope-flap{position:absolute;top:0;left:0;width:100%;height:100%;clip-path:polygon(0 0,50% 55%,100% 0);background-color:var(--envelope-color);transform-origin:top center;transition:transform .8s cubic-bezier(.4,0,.2,1);z-index:5;filter:drop-shadow(0 4px 6px rgba(0,0,0,.15))}.envelope.open .envelope-flap{transform:rotateX(180deg);z-index:1}.envelope-front-pocket{position:absolute;top:0;right:0;bottom:0;left:0;clip-path:polygon(0 0,50% 50%,0 100%,100% 100%,100% 0,50% 50%);background:linear-gradient(180deg,var(--envelope-color) 0%,var(--envelope-dark) 100%);border-radius:8px;z-index:4;pointer-events:none}.envelope-bottom-fold{position:absolute;bottom:0;left:0;width:100%;height:100%;clip-path:polygon(0 100%,50% 45%,100% 100%);background-color:var(--envelope-color);z-index:4;pointer-events:none}.wax-seal{position:absolute;top:52%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;background:radial-gradient(circle,#d4af37,#a67c1e);border-radius:50%;box-shadow:0 4px 10px #0000004d,inset 0 2px 4px #fff6;display:flex;align-items:center;justify-content:center;color:#5c4103;font-family:var(--font-heading);font-size:20px;font-weight:700;z-index:6;transition:opacity .4s ease,transform .4s ease}.envelope.open .wax-seal{opacity:0;transform:translate(-50%,-50%) scale(0)}.click-prompt{margin-top:36px;display:flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:.95rem;letter-spacing:1.5px;color:#ffffffd9;background:#ffffff14;padding:10px 22px;border-radius:30px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.15);animation:pulse-prompt 2s ease-in-out infinite;transition:opacity .5s ease}.click-prompt.hidden{opacity:0;pointer-events:none}@keyframes pulse-prompt{0%,to{transform:translateY(0);box-shadow:0 0 10px #d4af3733}50%{transform:translateY(-3px);box-shadow:0 0 20px #d4af3780}}.letter-card{position:absolute;top:10px;left:5%;width:90%;min-height:280px;background:var(--paper-color);border-radius:8px;box-shadow:0 10px 30px #00000040;padding:24px 20px;color:var(--text-main);z-index:3;opacity:0;transform:translateY(0);transition:transform 1s cubic-bezier(.34,1.25,.64,1),opacity .6s ease;overflow:hidden;display:flex;flex-direction:column}@media(min-width:640px){.letter-card{padding:32px 30px;min-height:340px}}.scene-container.open-stage,.envelope-wrapper.open-wrapper{z-index:500}.envelope.open .letter-card{opacity:1}.letter-card.emerged{z-index:1000;transform:translateY(-130px) scale(1.05);box-shadow:0 25px 50px #0006}@media(min-width:640px){.letter-card.emerged{transform:translateY(-160px) scale(1.08)}}.letter-header{margin-bottom:16px;border-bottom:1px solid rgba(0,0,0,.08);padding-bottom:12px}.letter-title{font-family:var(--font-heading);font-size:1.8rem;font-weight:700;color:#1a1615;line-height:1.2}.letter-receiver{font-family:var(--font-heading);font-size:1.5rem;color:var(--accent-rose);font-style:italic;margin-top:4px}.letter-body{font-size:.95rem;line-height:1.7;color:#3d3531;flex-grow:1}@media(min-width:640px){.letter-title{font-size:2.2rem}.letter-receiver{font-size:1.8rem}.letter-body{font-size:1.05rem}}.typing-line{margin-bottom:10px;min-height:1.7em;display:block}.typing-cursor{display:inline-block;width:2px;height:1em;background-color:var(--accent-rose);margin-left:2px;vertical-align:middle;animation:blink-cursor .8s infinite}@keyframes blink-cursor{0%,to{opacity:1}50%{opacity:0}}.letter-body{position:relative;transition:opacity .25s ease,transform .25s cubic-bezier(.25,1,.5,1)}.page-anim-out-next{opacity:0!important;transform:translate(-30px) scale(.96)!important}.page-anim-out-prev{opacity:0!important;transform:translate(30px) scale(.96)!important}.page-anim-in-next{animation:pageSlideInNext .35s cubic-bezier(.25,1,.5,1) forwards}.page-anim-in-prev{animation:pageSlideInPrev .35s cubic-bezier(.25,1,.5,1) forwards}@keyframes pageSlideInNext{0%{opacity:0;transform:translate(30px) scale(.96)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes pageSlideInPrev{0%{opacity:0;transform:translate(-30px) scale(.96)}to{opacity:1;transform:translate(0) scale(1)}}.letter-pagination{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:10px;border-top:1px dashed rgba(0,0,0,.12);-webkit-user-select:none;user-select:none;opacity:1;transition:opacity .4s ease}.page-nav-btn{background:#1a16150f;color:#1a1615;border:1px solid rgba(0,0,0,.15);width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 6px #0000000d}.page-nav-btn:hover:not(:disabled){background:var(--accent-rose);color:#fff;border-color:var(--accent-rose);transform:scale(1.1);box-shadow:0 4px 12px #e07a5f4d}.page-nav-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}.page-indicator{font-family:var(--font-body);font-size:.85rem;font-weight:600;color:#5c4e4b;letter-spacing:.5px}.replay-btn{margin-top:20px;align-self:flex-start;background:linear-gradient(135deg,#111827,#374151);color:#fff;border:none;padding:10px 22px;border-radius:25px;font-family:var(--font-body);font-size:.85rem;font-weight:600;letter-spacing:.5px;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 4px 15px #0003;opacity:0;transform:translateY(10px);transition:all .5s ease;pointer-events:none}.replay-btn.visible{opacity:1;transform:translateY(0);pointer-events:auto}.replay-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000004d;background:linear-gradient(135deg,#e07a5f,#d4af37)}#photo-container{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:5}.polaroid-item{position:absolute;top:50%;left:50%;width:120px;background-color:var(--photo-border);padding:6px 6px 20px;border-radius:var(--radius-polaroid);box-shadow:0 10px 25px #00000059;opacity:0;transform:translate(-50%,-50%) scale(.2) rotate(0);transition:transform .9s cubic-bezier(.25,1,.5,1),opacity .7s ease,box-shadow .3s ease;pointer-events:auto;cursor:grab;z-index:5;-webkit-user-select:none;user-select:none;touch-action:none}.polaroid-item.dragging{cursor:grabbing!important;box-shadow:0 30px 60px #000000bf!important;transition:none!important}@media(min-width:640px){.polaroid-item{width:155px;padding:8px 8px 26px}}.polaroid-item:hover{z-index:100!important;transform:scale(1.25)!important;box-shadow:0 25px 50px #000000a6}.polaroid-img-wrapper{width:100%;height:120px;background-color:#f0ece1;overflow:hidden;border-radius:3px;position:relative}@media(min-width:640px){.polaroid-img-wrapper{height:145px}}.polaroid-img-wrapper img{width:100%;height:100%;object-fit:cover;display:block}.polaroid-caption{margin-top:6px;text-align:center;font-family:var(--font-heading);font-size:.85rem;color:#554d47;font-style:italic;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lightbox-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:999;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s ease}.lightbox-modal.active{opacity:1;pointer-events:auto}.lightbox-content{background:#fff;padding:14px 14px 40px;border-radius:8px;max-width:90vw;max-height:85vh;box-shadow:0 25px 60px #0009;transform:scale(.9);transition:transform .4s cubic-bezier(.34,1.56,.64,1);display:flex;flex-direction:column;align-items:center}.lightbox-modal.active .lightbox-content{transform:scale(1)}.lightbox-content img{max-width:100%;max-height:65vh;object-fit:contain;border-radius:4px}.lightbox-caption{margin-top:14px;font-family:var(--font-heading);font-size:1.2rem;color:#333}.config-drawer{position:fixed;bottom:0;left:50%;transform:translate(-50%) translateY(100%);width:100%;max-width:500px;background:#111827f2;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.15);border-radius:20px 20px 0 0;padding:24px;z-index:900;transition:transform .4s cubic-bezier(.16,1,.3,1);color:#fff;max-height:80vh;overflow-y:auto}.config-drawer.open{transform:translate(-50%) translateY(0)}.drawer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:12px}.drawer-header h3{font-family:var(--font-heading);font-size:1.4rem;color:var(--accent-gold)}.drawer-close{background:none;border:none;color:#fff9;font-size:24px;cursor:pointer}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.85rem;color:#fffc;margin-bottom:6px}.form-control{width:100%;background:#ffffff14;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:10px 14px;color:#fff;font-family:var(--font-body);font-size:.9rem}.form-control:focus{outline:none;border-color:var(--accent-gold)}textarea.form-control{resize:vertical;min-height:80px}.apply-config-btn{width:100%;padding:12px;background:linear-gradient(90deg,var(--accent-gold),var(--accent-rose));border:none;border-radius:10px;color:#fff;font-weight:600;cursor:pointer;margin-top:10px}