(** Typography utilities *)

(** Typography configuration *)
type t

(** Font family *)
type font_family = [
  | `Sans
  | `Serif
  | `Mono
]

(** Font size *)
type font_size = [
  | `Xs | `Sm | `Base | `Lg | `Xl
  | `Xl2 | `Xl3 | `Xl4 | `Xl5 | `Xl6
  | `Xl7 | `Xl8 | `Xl9
]

(** Font weight *)
type font_weight = [
  | `Thin | `Extralight | `Light | `Normal | `Medium
  | `Semibold | `Bold | `Extrabold | `Black
]

(** Font style *)
type font_style = [
  | `Italic
  | `Not_italic
]

(** Letter spacing *)
type letter_spacing = [
  | `Tighter | `Tight | `Normal | `Wide | `Wider | `Widest
]

(** Line height *)
type line_height = [
  | `None | `Tight | `Snug | `Normal | `Relaxed | `Loose
  | `Rem of float
]

(** Text alignment *)
type text_align = [
  | `Left | `Center | `Right | `Justify | `Start | `End
]

(** Text decoration *)
type text_decoration = [
  | `Underline | `Overline | `Line_through | `No_underline
]

(** Text transform *)
type text_transform = [
  | `Uppercase | `Lowercase | `Capitalize | `Normal_case
]

(** Set font family *)
val font_family : font_family -> t

(** Set font size *)
val font_size : font_size -> t

(** Set font weight *)
val font_weight : font_weight -> t

(** Set font style *)
val font_style : font_style -> t

(** Set letter spacing *)
val letter_spacing : letter_spacing -> t

(** Set line height *)
val line_height : line_height -> t

(** Set text alignment *)
val text_align : text_align -> t

(** Set text decoration *)
val text_decoration : text_decoration -> t

(** Set text transform *)
val text_transform : text_transform -> t

(** Set text color (delegates to Color module) *)
val text_color : Color.t -> t

(** Convert to CSS class *)
val to_class : t -> Css.t

(** Common text utilities *)
val text_xs : Css.t
val text_sm : Css.t
val text_base : Css.t
val text_lg : Css.t
val text_xl : Css.t
val font_bold : Css.t
val font_normal : Css.t
val italic : Css.t
val underline : Css.t
val uppercase : Css.t
val lowercase : Css.t
val capitalize : Css.t