@import"https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;500;700&display=swap";:root{--primary-color: #8B4513;--secondary-color: #DAA520;--accent-color: #CD853F;--text-color: #2F1B14;--bg-color: #FDF5E6;--overlay-bg: rgba(0, 0, 0, .7);--border-color: #D2B48C}*{margin:0;padding:0;box-sizing:border-box}body{font-family:"Noto Serif SC",serif;overflow:hidden;background:var(--bg-color);color:var(--text-color)}#app{position:relative;width:100vw;height:100vh}#loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);display:flex;justify-content:center;align-items:center;z-index:1000;transition:opacity 1s ease-out}.loading-content{text-align:center;color:var(--secondary-color)}.loading-content h1{font-size:3rem;margin-bottom:2rem;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.5);background:linear-gradient(45deg,var(--secondary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.loading-spinner{width:60px;height:60px;border:3px solid rgba(218,165,32,.3);border-top:3px solid var(--secondary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-content p{font-size:1.2rem;opacity:.8}#three-canvas{position:absolute;top:0;left:0;width:100%;height:100%;display:block;cursor:grab}#three-canvas:active{cursor:grabbing}#ui-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:100}#crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20px;height:20px;border:2px solid rgba(255,255,255,.8);border-radius:50%;box-shadow:0 0 10px #00000080}#crosshair:before,#crosshair:after{content:"";position:absolute;background:#fffc}#crosshair:before{top:50%;left:50%;transform:translate(-50%,-50%);width:2px;height:8px}#crosshair:after{top:50%;left:50%;transform:translate(-50%,-50%);width:8px;height:2px}#interaction-prompt{position:absolute;top:60%;left:50%;transform:translate(-50%);background:var(--overlay-bg);color:#fff;padding:10px 20px;border-radius:25px;border:2px solid var(--secondary-color);font-size:1rem;opacity:0;transition:opacity .3s ease;pointer-events:none;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}#interaction-prompt.visible{opacity:1}#controls-info{position:absolute;bottom:20px;left:20px;background:var(--overlay-bg);color:#fff;padding:15px;border-radius:10px;border:1px solid var(--border-color);font-size:.9rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}#controls-info p{margin:0;opacity:.8}.loading-hidden{opacity:0;pointer-events:none}.settings-panel{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:opacity .3s ease}.settings-panel.hidden{opacity:0;pointer-events:none}.settings-content{background:linear-gradient(135deg,var(--bg-color),#F5DEB3);border:3px solid var(--secondary-color);border-radius:20px;padding:0;max-width:600px;max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px #00000080;color:var(--text-color)}.settings-header{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;padding:20px;border-radius:17px 17px 0 0;display:flex;justify-content:space-between;align-items:center}.settings-header h2{margin:0;font-size:1.8rem;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.close-btn{background:none;border:none;color:#fff;font-size:2rem;cursor:pointer;padding:0;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .3s ease}.close-btn:hover{background-color:#fff3}.settings-body{padding:20px}.setting-group{margin-bottom:30px}.setting-group h3{color:var(--primary-color);font-size:1.3rem;margin-bottom:15px;padding-bottom:5px;border-bottom:2px solid var(--accent-color);font-weight:600}.setting-item{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px;padding:10px;background:#ffffff1a;border-radius:10px;border:1px solid var(--border-color)}.setting-item label{font-weight:500;min-width:120px;color:var(--text-color)}.setting-item select,.setting-item input[type=range]{background:#fff;border:2px solid var(--border-color);border-radius:8px;padding:8px;font-family:inherit;color:var(--text-color);min-width:120px}.setting-item select:focus,.setting-item input[type=range]:focus{outline:none;border-color:var(--secondary-color);box-shadow:0 0 0 3px #daa52033}.setting-item input[type=checkbox]{width:20px;height:20px;accent-color:var(--secondary-color)}.setting-item input[type=range]{flex:1;margin-right:10px}.volume-value,.sensitivity-value,.speed-value{min-width:50px;text-align:right;font-weight:600;color:var(--secondary-color)}.settings-footer{padding:20px;border-top:2px solid var(--border-color);display:flex;gap:15px;justify-content:center}.btn{padding:12px 24px;border:none;border-radius:25px;font-family:inherit;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;min-width:100px}.btn-primary{background:linear-gradient(135deg,var(--secondary-color),var(--accent-color));color:#fff;box-shadow:0 4px 15px #daa5204d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #daa52066}.btn-secondary{background:linear-gradient(135deg,#6c757d,#5a6268);color:#fff;box-shadow:0 4px 15px #6c757d4d}.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6c757d66}.settings-toggle{position:fixed;top:20px;right:20px;background:var(--overlay-bg);color:#fff;border:2px solid var(--secondary-color);border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:all .3s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:150}.settings-toggle:hover{background:var(--secondary-color);transform:rotate(90deg)}.help-panel{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:opacity .3s ease}.help-panel.hidden{opacity:0;pointer-events:none}.help-content{background:linear-gradient(135deg,var(--bg-color),#F5DEB3);border:3px solid var(--secondary-color);border-radius:20px;padding:0;max-width:800px;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px #00000080;color:var(--text-color)}.help-header{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;padding:20px;border-radius:17px 17px 0 0;display:flex;justify-content:space-between;align-items:center}.help-body{padding:20px}.help-section{margin-bottom:25px}.help-section h3{color:var(--primary-color);font-size:1.3rem;margin-bottom:15px;padding-bottom:5px;border-bottom:2px solid var(--accent-color);font-weight:600}.help-item{margin-bottom:10px;padding:8px 12px;background:#ffffff1a;border-radius:8px;border-left:4px solid var(--secondary-color)}.help-item strong{color:var(--secondary-color);font-weight:600}.help-footer{padding:20px;border-top:2px solid var(--border-color);text-align:center;background:#ffffff0d;border-radius:0 0 17px 17px}.help-footer p{margin:0;font-style:italic;color:var(--secondary-color);font-size:1.1rem}.help-toggle{position:fixed;top:80px;right:20px;background:var(--overlay-bg);color:#fff;border:2px solid var(--accent-color);border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:all .3s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:150}.help-toggle:hover{background:var(--accent-color);transform:scale(1.1)}@media (max-width: 768px){.loading-content h1{font-size:2rem}#controls-info{font-size:.8rem;padding:10px}.settings-content{max-width:90%;margin:20px}.setting-item{flex-direction:column;align-items:stretch;gap:10px}.setting-item label{min-width:auto}.settings-footer{flex-direction:column}}