// space scale as individual Less variables
@space-0: 0rem;
@space-1: 0.25rem;
@space-2: 0.5rem;
@space-3: 0.75rem;
@space-4: 1rem;
@space-5: 1.5rem;
@space-6: 2rem;
@space-7: 3rem;

/* get-space mixin: sets @space-value according to @k */
.get-space(@k) when (@k = 0) {
  @space-value: @space-0;
}

.get-space(@k) when (@k = 1) {
  @space-value: @space-1;
}

.get-space(@k) when (@k = 2) {
  @space-value: @space-2;
}

.get-space(@k) when (@k = 3) {
  @space-value: @space-3;
}

.get-space(@k) when (@k = 4) {
  @space-value: @space-4;
}

.get-space(@k) when (@k = 5) {
  @space-value: @space-5;
}

.get-space(@k) when (@k = 6) {
  @space-value: @space-6;
}

.get-space(@k) when (@k = 7) {
  @space-value: @space-7;
}

/* fallback for unknown keys */
.get-space(@k) when not (@k = 0) and not (@k = 1) and not (@k = 2) and not (@k = 3)
               and not (@k = 4) and not (@k = 5) and not (@k = 6) and not (@k = 7) {
  @space-value: 0rem;
}

/* suf mixin: returns number unchanged, otherwise returns as-is
   usage: .suf(@val); then use @suf-value */
.suf(@k) when (isnumber(@k)) {
  @suf-value: @k;
}

.suf(@k) when not (isnumber(@k)) {
  @suf-value: @k;
}

/* svg-encode mixin
   LESS variables are immutable within a scope — cannot reassign @svg to itself.
   Fix: intermediate variables @svg-1..@svg-4, result exposed as @svg-encoded. */
.svg-encode(@svg) {
  @svg-1: replace(@svg, "#", "%23");
  @svg-2: replace(@svg-1, "<", "%3c");
  @svg-3: replace(@svg-2, ">", "%3e");
  @svg-4: replace(@svg-3, '"', "'");
  @svg-encoded: @svg-4;
}