/* ============================================================
   MAS Child — fonts.css  ·  Self-host IBM Plex (OFL, không CDN)
   Tách subset latin / vietnamese bằng unicode-range → trình duyệt
   chỉ tải file dấu Việt khi trang thực sự có ký tự đó.
   font-display:swap để chữ hiện ngay, không chặn render (LCP).
   Nạp TRƯỚC tokens.css (khai qua wp_enqueue_style).
   ============================================================ */

/* Dải ký tự dùng lại cho mọi @font-face */
/* latin:      U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
               U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC,
               U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD
   vietnamese: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1,
               U+01AF-01B0, U+1EA0-1EF9, U+20AB */

/* ---------- IBM Plex Sans ---------- */
@font-face{
  font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/plex-sans-latin-400.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/plex-sans-viet-400.woff2") format("woff2");
  unicode-range: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:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;
  src:url("../fonts/plex-sans-latin-600.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;
  src:url("../fonts/plex-sans-viet-600.woff2") format("woff2");
  unicode-range: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:"IBM Plex Sans";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fonts/plex-sans-latin-700.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"IBM Plex Sans";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fonts/plex-sans-viet-700.woff2") format("woff2");
  unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+1EA0-1EF9,U+20AB;
}

/* ---------- IBM Plex Mono (số liệu kỹ thuật) ---------- */
@font-face{
  font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/plex-mono-latin-400.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/plex-mono-viet-400.woff2") format("woff2");
  unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+1EA0-1EF9,U+20AB;
}