/* ============================================================
   EGBÉ YPÒ ÒRUN — Botões v2
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ----------------------------------------------------------
   Primário — verde sobre escuro
   Contraste #481C05 sobre #AFCF1E = 8.9:1 ✓
   ---------------------------------------------------------- */
.btn--primary {
  background-color: var(--color-green);
  color: var(--color-brown-dark);
  border-color: var(--color-green);
}

.btn--primary:hover {
  background-color: #9dbb16;
  border-color: #9dbb16;
  color: var(--color-brown-dark);
}

/* ----------------------------------------------------------
   Outline escuro (sobre fundo claro)
   ---------------------------------------------------------- */
.btn--outline-dark {
  background-color: transparent;
  color: var(--color-brown-dark);
  border-color: var(--color-brown-dark);
}

.btn--outline-dark:hover {
  background-color: var(--color-brown-dark);
  color: var(--text-on-dark);
}

/* ----------------------------------------------------------
   Outline claro (sobre fundo escuro)
   ---------------------------------------------------------- */
.btn--outline {
  background-color: transparent;
  color: var(--text-on-dark);
  border-color: rgba(246, 240, 216, 0.45);
}

.btn--outline:hover {
  background-color: rgba(246, 240, 216, 0.08);
  border-color: var(--text-on-dark);
}

/* ----------------------------------------------------------
   Escuro (sobre fundo claro)
   ---------------------------------------------------------- */
.btn--dark {
  background-color: var(--color-brown-dark);
  color: var(--text-on-dark);
  border-color: var(--color-brown-dark);
}

.btn--dark:hover {
  background-color: var(--color-brown);
  border-color: var(--color-brown);
}

/* ----------------------------------------------------------
   Ghost — sem fundo, apenas texto com ícone
   ---------------------------------------------------------- */
.btn--ghost {
  background-color: transparent;
  color: var(--accent-text);
  border-color: transparent;
  padding-inline: 0;
  border-radius: 0;
}

.btn--ghost:hover {
  background-color: transparent;
  color: var(--color-brown-dark);
  box-shadow: none;
  transform: none;
}

.btn--ghost:hover svg {
  transform: translateX(4px);
}

.btn--ghost svg {
  transition: transform var(--transition-fast);
}

/* ----------------------------------------------------------
   Tamanhos
   ---------------------------------------------------------- */
.btn--sm {
  padding: calc(var(--space-2) + 1px) var(--space-5);
  font-size: var(--text-xs);
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}

/* ----------------------------------------------------------
   Grupo de botões
   ---------------------------------------------------------- */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}