/* ============================================================================
   Capi Când-IA Pro — Button (Fase 0)
   .ds-btn-primary  → "Botão F" dimensional dourado (gradient + inner shadow + creme)
   .ds-btn-ghost    → secundário, outline cinza, transparente
   ============================================================================ */

.ds-btn-primary,
.ds-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ds-space-sm);
  padding: 10px 18px;
  border-radius: var(--ds-radius);
  font-family: var(--ds-font-sans);
  font-size: var(--ds-text-md);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: var(--ds-trans);
  white-space: nowrap;
  text-decoration: none;
}

/* ─── Primary (F · Dimensional) ─── */
.ds-btn-primary {
  background: linear-gradient(180deg, var(--ds-gold) 0%, #B8860B 100%);
  color: var(--ds-gold-text);
  border: 1px solid rgba(255,225,150,0.20);
  box-shadow:
    var(--ds-shadow-button-inset),
    var(--ds-shadow-button-drop);
}

.ds-btn-primary:hover:not(:disabled) {
  background: linear-gradient(180deg, var(--ds-gold-hover) 0%, var(--ds-gold) 100%);
}

.ds-btn-primary:focus-visible {
  box-shadow:
    var(--ds-shadow-button-inset),
    var(--ds-shadow-button-drop),
    0 0 0 3px rgba(212,160,23,0.25);
}

.ds-btn-primary:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: var(--ds-shadow-button-inset);
}

.ds-btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── Ghost (secundário) ─── */
.ds-btn-ghost {
  background: transparent;
  color: var(--ds-text-2);
  border: 1px solid var(--ds-border-2);
}

.ds-btn-ghost:hover:not(:disabled) {
  border-color: rgba(255,255,255,0.24);
  color: var(--ds-text);
}

.ds-btn-ghost:focus-visible {
  box-shadow: 0 0 0 3px rgba(212,160,23,0.18);
}

.ds-btn-ghost:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── Modificadores ─── */
.ds-btn-block {
  width: 100%;
}

.ds-btn-sm {
  padding: 7px 14px;
  font-size: var(--ds-text-sm);
}

/* Ícone interno do botão herda cor */
.ds-btn-primary svg,
.ds-btn-ghost svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}