:root{--bg-color: #050505;--surface-color: #121212;--primary-color: #ffffff;--secondary-color: #888888;--accent-color: #4a4a4a;--border-radius: 12px;--font-family: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--primary-color);font-family:var(--font-family);overflow:hidden;-webkit-font-smoothing:antialiased}button{font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--accent-color);border-radius:3px}.glass-panel{background:#121212d9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.08)}.slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;background:var(--accent-color);border-radius:2px;outline:none}.slider-thumb::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;background:var(--primary-color);border-radius:50%;cursor:pointer;transition:transform .1s}.slider-thumb::-webkit-slider-thumb:hover{transform:scale(1.2)}