/* ============================================================
   Tektome Button — reusable across the site.
   Loaded after nav.css so its rules cascade cleanly.
   ============================================================ */

.tk-btn {
  appearance: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  border-radius: var(--radius-md);
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}
.tk-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ---------- Sizes ---------- */
.tk-btn--sm {
  height: 32px;
  padding: 0 14px;
  font-size: 13px;
  gap: 8px;
}
.tk-btn--md {
  height: 44px;
  padding: 0 20px;
  font-size: 14px;
  gap: 10px;
}
.tk-btn--lg {
  height: 52px;
  padding: 0 24px;
  font-size: 15px;
  gap: 12px;
}

/* ---------- Icons ---------- */
.tk-btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tk-btn__icon svg {
  width: 14px;
  height: 14px;
  display: block;
}
.tk-btn--lg .tk-btn__icon svg { width: 16px; height: 16px; }
.tk-btn--sm .tk-btn__icon svg { width: 12px; height: 12px; }

.tk-btn__icon--right {
  transition: transform var(--duration-fast) var(--ease-out);
}
.tk-btn:hover:not(.is-disabled) .tk-btn__icon--right {
  transform: translateX(2px);
}

.tk-btn__label { display: inline-block; }

/* ---------- Variant: primary (Arch Purple) ---------- */
.tk-btn--primary {
  background: var(--color-arch-purple);
  color: var(--color-draft-white);
  border-color: var(--color-arch-purple);
}
/* Override the global a:hover purple-text rule that would otherwise
   recolor the label and make it disappear against the darker bg. */
.tk-btn--primary:hover,
.tk-btn--primary:focus-visible {
  background: var(--purple-700);
  border-color: var(--purple-700);
  color: var(--color-draft-white);
}
.tk-btn--primary:active {
  background: var(--purple-800);
  border-color: var(--purple-800);
  color: var(--color-draft-white);
}

/* ---------- Variant: secondary (outlined) ---------- */
.tk-btn--secondary {
  background: var(--color-draft-white);
  color: var(--color-arch-purple);
  border-color: var(--color-arch-purple);
}
.tk-btn--secondary:hover,
.tk-btn--secondary:focus-visible {
  background: var(--purple-50);
  color: var(--purple-700);
  border-color: var(--purple-700);
}
.tk-btn--secondary:active {
  background: var(--purple-100);
  color: var(--purple-800);
  border-color: var(--purple-800);
}

/* ---------- Variant: ghost (text-only) ---------- */
.tk-btn--ghost {
  background: transparent;
  color: var(--color-arch-purple);
  border-color: transparent;
  padding-left: 12px;
  padding-right: 12px;
}
.tk-btn--ghost:hover,
.tk-btn--ghost:focus-visible {
  background: var(--purple-50);
  color: var(--purple-700);
}
.tk-btn--ghost:active {
  background: var(--purple-100);
  color: var(--purple-800);
}

/* ---------- Disabled ---------- */
.tk-btn.is-disabled,
.tk-btn:disabled {
  background: var(--state-disabled-bg);
  color: var(--state-disabled-fg);
  border-color: var(--state-disabled-bg);
  cursor: not-allowed;
  box-shadow: none;
}
.tk-btn.is-disabled:hover .tk-btn__icon--right,
.tk-btn:disabled:hover .tk-btn__icon--right {
  transform: none;
}