/* 기본 설정 */
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            user-select: none;
            overflow: hidden;
        }

        /* 커스텀 스크롤바 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: transparent;
        }

        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }

        /* 애니메이션 */
        .fade-in {
            animation: fadeIn 0.2s ease-in-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        /* 드래그 고스트 이미지 숨기기 (커스텀 처리 위해) */
        .drag-ghost {
            opacity: 0.5;
            background: white;
            padding: 5px;
            border: 1px solid #ccc;
            position: absolute;
            top: -1000px;
        }

        /* 오디오 플레이어 애니메이션 */
        @keyframes spin-slow {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        .animate-spin-slow {
            animation: spin-slow 8s linear infinite;
        }
        .paused-animation {
            animation-play-state: paused;
        }

        /* 크롬 브라우저 range input 스타일 커스텀 */
        input[type='range']::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 12px;
            height: 12px;
            background: white;
            cursor: pointer;
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255,255,255,0.5);
        }