:root{--primary-glow:#ff5e7e;--secondary-glow:#a855f7;--accent-glow:#38bdf8;--moon-color:#fef3c7;--bg-color:#020005;--text-color:#fff}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background-color:var(--bg-color);width:100vw;height:100vh;color:var(--text-color);-webkit-user-select:none;user-select:none;font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}#canvas-container{z-index:1;width:100%;height:100%;position:absolute;top:0;left:0}#webgl-canvas{width:100%;height:100%;display:block}#ui-container{z-index:2;pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}#ui-container button,#ui-container input,#ui-container div.letter-container,#ui-container div.card-content,#ui-container div.volume-slider-container{pointer-events:auto}#loader-screen{z-index:100;opacity:0;pointer-events:none;background-color:#000;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity 1.5s;display:flex;position:fixed;top:0;left:0}#loader-screen.active{opacity:1;pointer-events:auto}.loader-content{text-align:center;max-width:600px;padding:20px}.loader-spinner{border:2.5px solid #ffffff0d;border-top-color:var(--primary-glow);border-radius:50%;width:50px;height:50px;margin:0 auto 20px;animation:1s linear infinite spin;box-shadow:0 0 15px #ff5e7e33}@keyframes spin{to{transform:rotate(360deg)}}#loader-text{letter-spacing:2px;text-transform:uppercase;color:#fff9;margin-bottom:25px;font-size:.9rem;font-weight:200;animation:2s ease-in-out infinite pulse-opacity}@keyframes pulse-opacity{0%,to{opacity:.5}50%{opacity:1}}.progress-bar-container{background-color:#ffffff1a;border-radius:3px;width:250px;height:3px;margin:0 auto 30px;position:relative;overflow:hidden}#progress-bar{background:linear-gradient(to right, var(--secondary-glow), var(--primary-glow));width:0%;height:100%;box-shadow:0 0 8px var(--primary-glow);transition:width .3s}#intro-narrative{min-height:80px;margin-bottom:40px}.narrative-line{color:#fff;opacity:0;margin-bottom:12px;font-size:1.6rem;font-weight:200;transition:opacity 1.2s,transform 1.2s;transform:translateY(10px)}.narrative-line.visible{opacity:1;transform:translateY(0)}button{color:#fff;letter-spacing:3px;text-transform:uppercase;cursor:pointer;background:0 0;border:1px solid #ffffff40;border-radius:50px;outline:none;padding:14px 32px;font-size:1.05rem;font-weight:300;transition:all .5s cubic-bezier(.2,1,.3,1);position:relative;overflow:hidden;box-shadow:0 4px 15px #0006}button:before{content:"";background:linear-gradient(90deg,#0000,#ffffff26,#0000);width:100%;height:100%;transition:all .6s;position:absolute;top:0;left:-100%}button:hover:before{left:100%}#start-btn{border-color:var(--primary-glow);background:linear-gradient(135deg,#ff5e7e26,#a855f726);animation:3s ease-in-out infinite breathe;transform:scale(1);box-shadow:0 0 15px #ff5e7e4d}#start-btn:hover{box-shadow:0 0 25px var(--primary-glow);border-color:#fff;transform:scale(1.05)}#start-btn.hidden{opacity:0;pointer-events:none;transform:scale(.9)}@keyframes breathe{0%,to{box-shadow:0 0 12px #ff5e7e33}50%{box-shadow:0 0 25px #ff5e7e80}}#narrative-container{text-align:center;pointer-events:none;z-index:5;width:90%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#narrative-text{letter-spacing:2px;color:#fff;text-shadow:0 0 15px #fff6;opacity:0;font-size:2.2rem;font-weight:200;line-height:1.5;transition:opacity 1.5s cubic-bezier(.2,1,.3,1),transform 1.5s cubic-bezier(.2,1,.3,1);transform:translateY(20px)}#narrative-text.visible{opacity:1;transform:translateY(0)}#audio-widget{-webkit-backdrop-filter:blur(12px);z-index:50;background:#0f0a1959;border:1px solid #ffffff14;border-radius:40px;align-items:center;max-width:52px;padding:8px;transition:all .4s;display:flex;position:absolute;top:25px;right:25px;overflow:hidden;box-shadow:0 8px 32px #0000004d}#audio-widget:hover{max-width:200px;padding-right:18px}#audio-toggle{cursor:pointer;width:36px;height:36px;box-shadow:none;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:0;display:flex}#audio-toggle:before{display:none}#audio-icon{color:#ffffffb3;width:20px;height:20px;transition:color .3s}#audio-toggle:hover #audio-icon{color:var(--primary-glow)}.volume-slider-container{opacity:0;align-items:center;width:100px;margin-left:10px;transition:opacity .3s;display:flex}#audio-widget:hover .volume-slider-container{opacity:1}#volume-slider{-webkit-appearance:none;cursor:pointer;background:#fff3;border-radius:2px;outline:none;width:100%;height:2px}#volume-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary-glow);width:10px;height:10px;box-shadow:0 0 8px var(--primary-glow);border-radius:50%;transition:transform .2s}#volume-slider::-webkit-slider-thumb:hover{transform:scale(1.3)}#audio-widget.hidden{opacity:0;pointer-events:none;transform:translateY(-20px)}#letter-overlay{z-index:40;opacity:0;background:#02000899;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity 1s;display:flex;position:absolute;top:0;left:0}#letter-overlay.visible{opacity:1}.letter-container{perspective:1000px;width:90%;max-width:520px}.letter-paper{scrollbar-width:thin;scrollbar-color:#0000001a transparent;background:#fdfaf2;border:1px solid #d4c0964d;border-radius:12px;max-height:80vh;padding:45px 35px 35px;position:relative;overflow-y:auto;transform:rotateX(10deg)rotateY(-5deg);box-shadow:0 20px 50px #0009,inset 0 0 30px #d4c09626}.letter-paper::-webkit-scrollbar{width:4px}.letter-paper::-webkit-scrollbar-thumb{background:#0000001a;border-radius:4px}#close-letter-btn{color:#543;cursor:pointer;box-shadow:none;background:0 0;border:none;padding:0;font-size:1.8rem;position:absolute;top:15px;right:20px}#close-letter-btn:before{display:none}.handwritten{color:#2b221a;white-space:pre-wrap;text-align:left;font-family:Italianno,cursive;font-size:2.4rem;line-height:1.4}.char-fade{opacity:0;filter:blur(1px);transition:opacity .1s,filter .25s,transform .25s;display:inline-block;transform:translateY(2px)}.char-fade.written{opacity:1;filter:blur();transform:translateY(0)}#letter-overlay.hidden{display:none}#proposal-card{z-index:30;opacity:0;width:90%;max-width:420px;transition:opacity 1.5s,transform 1.5s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#proposal-card.visible{opacity:1;transform:translate(-50%,-50%)scale(1)}.card-content{-webkit-backdrop-filter:blur(20px);text-align:center;background:#0c081480;border:1px solid #ff5e7e40;border-radius:20px;padding:40px 30px;box-shadow:0 15px 45px #00000080,0 0 25px #ff5e7e26}#proposal-question{letter-spacing:1px;margin-bottom:35px;font-size:1.6rem;font-weight:300;line-height:1.5}.proposal-actions{justify-content:center;gap:20px;display:flex}.btn-primary{background:linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));border:none;font-weight:600;box-shadow:0 0 15px #ff5e7e66}.btn-primary:hover{box-shadow:0 0 30px var(--primary-glow);transform:translateY(-3px)}.btn-secondary{background:#ffffff0d;border:1px solid #fff3}.btn-secondary:hover{background:#ffffff1f;border-color:#fff}#proposal-card.hidden{display:none}#acceptance-screen{z-index:35;opacity:0;text-align:center;width:90%;max-width:480px;transition:opacity 1.5s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#acceptance-screen.visible{opacity:1}.acceptance-content h2{color:var(--primary-glow);text-shadow:0 0 20px #ff5e7e80;margin-bottom:20px;font-size:2.4rem;font-weight:200}.acceptance-content p{color:#ffffffd9;margin-bottom:30px;font-size:1.1rem;font-weight:200;line-height:1.6}.date-stamp{letter-spacing:4px;text-transform:uppercase;color:var(--accent-glow);text-shadow:0 0 8px var(--accent-glow);font-size:.95rem;font-weight:400}#acceptance-screen.hidden{display:none}#secret-dialog{border:1px solid var(--primary-glow);-webkit-backdrop-filter:blur(10px);letter-spacing:1px;color:#fff;z-index:60;opacity:0;background:#ff5e7e26;border-radius:50px;padding:12px 25px;font-size:.9rem;transition:opacity .5s,transform .5s;position:absolute;bottom:30px;left:50%;transform:translate(-50%)translateY(15px);box-shadow:0 0 15px #ff5e7e4d}#secret-dialog.visible{opacity:1;transform:translate(-50%)translateY(0)}#secret-dialog.hidden{display:none}@media (width<=768px){.narrative-line{font-size:1.35rem}#narrative-text{padding:0 15px;font-size:1.6rem}.handwritten{font-size:1.95rem}.letter-paper{padding:35px 25px 25px}.card-content{padding:30px 20px}#proposal-question{margin-bottom:25px;font-size:1.35rem}.proposal-actions{flex-direction:column;gap:15px}.proposal-actions button{width:100%}.acceptance-content h2{font-size:1.9rem}.acceptance-content p{font-size:.95rem}}