/* =============================================================================
   Padel Group — Sistema de Botones
   Variantes: primary, secondary, ghost, danger
   Tamaños: sm, md (default), lg
   ============================================================================= */

/* --- Base --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: 1;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-fast),
    color            var(--transition-fast),
    border-color     var(--transition-fast),
    box-shadow       var(--transition-fast),
    transform        var(--duration-fast) var(--ease-spring);
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* --- Variante: Primary --- */
.btn--primary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: none;
}

.btn--primary:hover {
  background-color: var(--color-primary);
  color: var(--color-surface-low);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
  transform: translateY(-1px);
}

/* --- Variante: Secondary --- */
.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
}

/* --- Variante: Ghost --- */
.btn--ghost {
  background-color: transparent;
  color: var(--color-on-high);
  border-color: var(--color-outline);
}

.btn--ghost:hover {
  background-color: var(--color-surface-low);
  border-color: var(--color-on-low);
}

/* --- Variante: Ghost Gold --- */
.btn--ghost-gold {
  background-color: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn--ghost-gold:hover {
  background-color: var(--color-gold);
  color: var(--color-on-high);
}

/* --- Variante: Ghost Inverted (sobre fondos oscuros) --- */
.btn--ghost-inverted {
  background-color: transparent;
  color: var(--color-surface);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--ghost-inverted:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

/* --- Tamaños --- */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

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

/* --- Estado: Deshabilitado --- */
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* End of Buttons */