* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            background-image: radial-gradient(circle, rgb(111, 111, 111) 1px, rgb(0, 0, 0) 1px);
            background-size: 200px 200px;
            background-position: center;
            background-repeat: repeat;
        }

        .container {
            background: rgb(16, 16, 16);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            max-width: 500px;
            width: 100%;
        }

        .title {
            text-align: center;
            font-size: 24px;
            font-weight: bold;
            color: #e3e3e3;
            margin-bottom: 30px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .title::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #9000ff, #000b87);
            margin: 10px auto 0;
            
        }

        .converter-section {
            margin-bottom: 30px;
        }

        .conversion-row {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            flex-wrap: wrap;
            
        }

        .input-group {
            flex: 1;
            min-width: 120px;
            
        }

        .input-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: #686868;
            margin-bottom: 8px;
            text-align: center;
        }

        .input-field {
            width: 100%;
            padding: 15px;
            border: 2px solid #353535;
            border-radius: 10px;
            font-size: 18px;
            font-weight: bold;
            text-align: center;
            background: #2600ff;
            transition: all 0.3s ease;
            
        }

        .input-field:focus {
            outline: none;
            border-color: #ffffff;
            background: white;
            box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.1);
        }

        .input-field.robux {
            background: #0d0d0d;
            color: white;
        }

        .input-field.result {
            background: #000000;
            color: rgb(255, 255, 255);
        }

        .arrow-forward {
            font-size: 16px;
            line-height: 1;
            display: block;
        }

        .arrow-back {
            font-size: 16px;
            line-height: 1;
            display: block;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
                opacity: 0.8;
            }
            50% {
                transform: scale(1.1);
                opacity: 1;
            }
        }

        .custom-dropdown {
            position: relative;
            width: 100%;
            margin-bottom: 20px;
        }

        .dropdown-selected {
            color: rgb(255, 255, 255);
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #2f2f2f;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            background: linear-gradient(135deg, #292929 0%, #2b2b2b 100%);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .dropdown-selected:hover {
            border-color: #4000b7;
            box-shadow: 0 4px 12px rgba(190, 68, 255, 0.15);
            transform: translateY(-1px);
        }

        .dropdown-selected.active {
            border-color: #5900ff;
            box-shadow: 0 4px 12px rgba(76, 0, 126, 0.2);
        }

        .dropdown-arrow {
            font-size: 12px;
            color: #666;
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .dropdown-selected.active .dropdown-arrow {
            transform: rotate(180deg);
        }

        .dropdown-options {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgb(48, 48, 48);
            border: 2px solid #4d00d2;
            border-radius: 12px;
            margin-top: 5px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            z-index: 1000;
            overflow: hidden;
        }

        .dropdown-options.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown-option {
            padding: 15px 20px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease; 
            display: flex;
            align-items: center;
            position: relative;
            color: rgb(255, 255, 255);
        }

        .dropdown-option:last-child {
            border-bottom: none;
        }

        .dropdown-option:hover {
            background: linear-gradient(135deg, #30009f 0%, #3d007e 100%);
            color: white;
            transform: translateX(5px);
        }

        .dropdown-option.selected {
            background: rgb(69, 69, 69);
            color: #ffffff;
            font-weight: 600;
        }

        .dropdown-option.selected::after {
            content: '✓';
            position: absolute;
            right: 20px;
            color: #ffffff;
            font-weight: bold;
        }

        /* Hide original select */
        .original-dropdown {
            display: none;
        }

        .info-box {
            background: linear-gradient(135deg, #2e005f, #8300ce);
            padding: 20px;
            border-radius: 15px;
            margin-top: 20px;
            
        }

        .info-title {
            font-weight: bold;
            color: #ffffff;
            margin-bottom: 10px;
            font-size: 16px;
            
        }

        .info-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 14px;
            color: #ffffff;
            
        }

        .info-value {
            font-weight: bold;
            color: #e2e2e2;
            
        }

        /* Mobile optimizations */
        @media (max-width: 768px) {
            .container {
                padding: 25px 15px;
                margin: 10px;
            }

            .conversion-row {
                flex-direction: column;
                gap: 15px;
                align-items: stretch;
            }

            .input-group {
                min-width: auto;
                width: 100%;
            }

            .arrow {
                align-self: center;
                margin: 5px 0;
                background: rgba(40, 167, 69, 0.1);
                border-radius: 50%;
                width: 50px;
                height: 50px;
            }

            .title {
                font-size: 20px;
            }

            .input-field {
                padding: 12px;
                font-size: 16px;
            }

            .dropdown-selected, .dropdown-option {
                padding: 12px 15px;
                font-size: 15px;
            }

            .info-box {
                padding: 15px;
            }

            .info-item {
                font-size: 13px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 20px 12px;
                margin: 5px;
            }

            .title {
                font-size: 18px;
                margin-bottom: 25px;
            }

            .input-field {
                padding: 10px;
                font-size: 14px;
            }

            .dropdown-selected, .dropdown-option {
                padding: 10px 12px;
                font-size: 14px;
            }

            .arrow {
                width: 45px;
                height: 45px;
            }

            .arrow-forward, .arrow-back {
                font-size: 14px;
            }

            .info-box {
                padding: 12px;
            }

            .info-title {
                font-size: 15px;
            }

            .info-item {
                font-size: 12px;
                margin-bottom: 6px;
            }
        }

        @media (max-width: 400px) {
            .container {
                margin-top: 150px;
                margin-bottom: 150px;
            }
        }