/**
 * Button Components - Tema Oscuro Minimalista
 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  outline: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.4);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button */
.btn,
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn:hover:not(:disabled),
.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn:active:not(:disabled),
.btn-primary:active:not(:disabled) {
  transform: translateY(0) scale(0.97);
}

/* Success Button — feedback de acciones exitosas */
.btn-success {
  background-color: var(--color-success);
  color: var(--color-white);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-dark);
  transform: translateY(-1px);
}

.btn-success:active:not(:disabled) {
  transform: translateY(0) scale(0.97);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-light);
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

/* Success Button */
.btn-success {
  background-color: var(--color-success);
  color: var(--color-white);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-dark);
}

/* Danger Button */
.btn-danger {
  background-color: var(--color-error);
  color: var(--color-white);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-error-dark);
}

/* Warning Button */
.btn-warning {
  background-color: var(--color-warning);
  color: var(--color-text-inverse);
}

.btn-warning:hover:not(:disabled) {
  background-color: var(--color-warning-dark);
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-xs);
  border-radius: var(--border-radius-sm);
}

.btn-xs {
  padding: 2px var(--spacing-2);
  font-size: 11px;
  border-radius: var(--border-radius-sm);
  line-height: 1.5;
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
  border-radius: var(--border-radius-lg);
}

/* Full Width Button */
.btn-block {
  display: flex;
  width: 100%;
}

/* Button Group */
.btn-group {
  display: inline-flex;
  flex-wrap: wrap;            /* evita overflow cuando hay muchos botones (ej. panel admin) */
  gap: var(--spacing-2);
}

/* Icon Button */
.btn-icon {
  padding: var(--spacing-2);
  aspect-ratio: 1;
}

.btn-icon.btn-sm {
  padding: var(--spacing-1);
}

.btn-icon.btn-lg {
  padding: var(--spacing-3);
}

/* Link styled as button */
a.btn {
  display: inline-flex;
}

a.btn:hover {
  text-decoration: none;
}

a.openModal {
  margin: var(--spacing-4) auto;
  display: flex;
  max-width: 300px;
  background-color: var(--color-primary);
  text-align: center;
  color: var(--color-white);
  border: none;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

a.openModal:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

/* Responsive */
@media (max-width: 768px) {
  .btn {
    padding: var(--spacing-3) var(--spacing-5);
  }

  .btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    width: 100%;
  }
}