/* public/css/fm/button.css
 *
 * fm-button (DS #2) — consolida .button(.primary/.dark-mode), .button-text e
 * .button-reset-filter. Autocontido (skin coexiste): define box-sizing, fontes,
 * cores e reset de <button>/<a>. Consome tokens fm (cor, radius, sombra).
 */
.fm-button {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--fm-space-2);
  margin: 0;
  border: 0;
  cursor: pointer;
  font-family: var(--fm-font-body);
  font-weight: 600;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: var(--fm-radius-pill);
  transition: background 0.18s, color 0.18s, border-color 0.18s, box-shadow 0.18s;
}
.fm-button:focus-visible {
  outline: none;
  box-shadow: var(--fm-shadow-focus);
}

/* —— variante SOLID (CTA primário): navy → teal no hover —— */
.fm-button--solid {
  background: var(--fm-navy);
  color: var(--fm-white);
}
.fm-button--solid:hover {
  background: var(--fm-teal);
  box-shadow: var(--fm-shadow-sm);
}

/* —— variante OUTLINE (secundário): borda, vira sólido no hover —— */
.fm-button--outline {
  background: transparent;
  color: var(--fm-navy);
  border: 2px solid var(--fm-gray-100);
}
.fm-button--outline:hover {
  border-color: var(--fm-navy);
  background: var(--fm-navy);
  color: var(--fm-white);
}

/* —— variante INVERSE (fundo escuro): branco → teal no hover —— */
.fm-button--inverse {
  background: var(--fm-white);
  color: var(--fm-navy);
}
.fm-button--inverse:hover {
  background: var(--fm-teal);
  color: var(--fm-white);
}

/* —— variante TEXT (link/terciário): sem pílula, caixa normal, seta desliza —— */
.fm-button--text {
  background: transparent;
  color: var(--fm-navy);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
  border-radius: 0;
  padding: 0;
  gap: var(--fm-space-4);
}
.fm-button--text:hover {
  color: var(--fm-teal);
}

/* —— seta circular com ROLL (assinatura recriada do .button-text via CSS) —— */
.fm-button-circle {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border: 1px solid var(--fm-gray-300);
  border-radius: 50%;
  overflow: hidden;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
/* setas centradas no círculo (top/left 50% + translate -50%); os estados "off"
   ficam totalmente fora e são recortados pelo overflow:hidden do círculo */
.fm-button-arrow {
  position: absolute;
  top: 50%;
  left: 50%;
  transition: transform 0.34s cubic-bezier(0.65, 0, 0.35, 1);
}
.fm-button-arrow--out {
  transform: translate(-50%, -50%); /* centrada */
}
.fm-button-arrow--in {
  transform: translate(-250%, -50%); /* fora, à esquerda */
}
/* no hover: a de fora sai pela direita, a de dentro chega ao centro */
.fm-button--text:hover .fm-button-arrow--out {
  transform: translate(150%, -50%);
}
.fm-button--text:hover .fm-button-arrow--in {
  transform: translate(-50%, -50%);
}
.fm-button--text:hover .fm-button-circle {
  border-color: var(--fm-teal);
  background: var(--fm-teal);
  color: var(--fm-white);
}
/* círculo menor no tamanho sm */
.fm-button--text.fm-button--sm .fm-button-circle {
  width: 40px;
  height: 40px;
}

/* —— tamanhos (não se aplicam ao text) —— */
.fm-button--md:not(.fm-button--text) {
  padding: 1rem 2rem;
  font-size: 1rem;
}
.fm-button--sm:not(.fm-button--text) {
  padding: 0.6rem 1.3rem;
  font-size: 0.875rem;
}
.fm-button--text.fm-button--md {
  font-size: 1.125rem;
}
.fm-button--text.fm-button--sm {
  font-size: 1rem;
}