.settings-menu{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1000;display:flex;align-items:center;justify-content:center}.settings-menu.hidden{display:none}.settings-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.settings-panel{position:relative;background:#1a1a1a;border:2px solid #333;border-radius:8px;width:90%;max-width:600px;max-height:80vh;overflow:auto;box-shadow:0 8px 32px #00000080}.settings-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid #333}.settings-header h2{margin:0;color:#fff;font-size:24px}.close-btn{background:none;border:none;color:#999;font-size:32px;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:color .2s}.close-btn:hover{color:#fff}.settings-content{padding:20px}.settings-section{margin-bottom:20px}.settings-section h3{color:#fff;font-size:18px;margin:0 0 15px;padding-bottom:10px;border-bottom:1px solid #333}.setting-item{margin-bottom:20px}.setting-item label{display:block;color:#fff;font-size:14px;margin-bottom:8px;font-weight:500}.setting-item input[type=range]{width:100%;height:6px;background:#333;border-radius:3px;outline:none;-webkit-appearance:none}.setting-item input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;background:#4caf50;cursor:pointer;border-radius:50%;transition:background .2s}.setting-item input[type=range]::-webkit-slider-thumb:hover{background:#66bb6a}.setting-item input[type=range]::-moz-range-thumb{width:18px;height:18px;background:#4caf50;cursor:pointer;border-radius:50%;border:none;transition:background .2s}.setting-item input[type=range]::-moz-range-thumb:hover{background:#66bb6a}.setting-description{color:#999;font-size:12px;margin-top:5px;line-height:1.4}.settings-footer{display:flex;gap:10px;padding:20px;border-top:1px solid #333;justify-content:flex-end}.btn-primary,.btn-secondary{padding:10px 20px;border:none;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:#4caf50;color:#fff}.btn-primary:hover{background:#66bb6a}.btn-secondary{background:#333;color:#fff}.btn-secondary:hover{background:#444}#info{-webkit-user-select:none;user-select:none}