/* Font Courier New - System font for better compatibility */

/* 
// COMMENTED OUT - Using system Courier New instead
@font-face {
    font-family: 'Courier Viet Hoa';
    src: local('Courier New'),
         local('Courier');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-00FF, U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
}

@font-face {
    font-family: 'Courier Viet Hoa';
    src: local('Courier New Bold'),
         local('Courier Bold');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-00FF, U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
}
*/

/* Fallback font stack với hỗ trợ tiếng Việt */
.font-courier-viet {
    font-family: 'Courier New', Courier, 'Liberation Mono', 'DejaVu Sans Mono', monospace;
    font-feature-settings: "kern" 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Đảm bảo hiển thị tốt cho tiếng Việt */
body {
    font-family: 'Courier New', Courier, monospace;
    line-height: 1.6;
    letter-spacing: 0.02em;
}

/* Fix cho các ký tự đặc biệt tiếng Việt */
@supports (font-variant-east-asian: full-width) {
    body {
        font-variant-east-asian: proportional-width;
    }
}