/**
 * SoyAgente Secure Auth - UI Components
 * Interactive components and buttons
 * 
 * @version 1.0.0
 * @author SoyAgente Team
 */

/* ==========================================================================
   BUTTON COMPONENTS
   ========================================================================== */

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

.sa-btn:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.sa-btn:disabled,
.sa-btn[disabled] {
  cursor: not-allowed;
  opacity: 0.6;
}

/* Button Variants */
.sa-btn--primary {
  color: white;
  background: var(--sa-color-primary-600);
  border-color: var(--sa-color-primary-600);
}

.sa-btn--primary:hover:not(:disabled) {
  background: var(--sa-color-primary-700);
  border-color: var(--sa-color-primary-700);
}

.sa-btn--primary:focus {
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.2);
}

.sa-btn--primary:active:not(:disabled) {
  background: var(--sa-color-primary-800);
  border-color: var(--sa-color-primary-800);
}

.sa-btn--secondary {
  color: var(--sa-color-neutral-700);
  background: var(--sa-color-neutral-50);
  border-color: var(--sa-color-neutral-300);
}

.sa-btn--secondary:hover:not(:disabled) {
  color: var(--sa-color-neutral-900);
  background: var(--sa-color-neutral-100);
  border-color: var(--sa-color-neutral-400);
}

.sa-btn--secondary:focus {
  box-shadow: 0 0 0 3px rgb(115 115 115 / 0.1);
}

.sa-btn--outline {
  color: var(--sa-color-primary-600);
  background: transparent;
  border-color: var(--sa-color-primary-300);
}

.sa-btn--outline:hover:not(:disabled) {
  color: var(--sa-color-primary-700);
  background: var(--sa-color-primary-50);
  border-color: var(--sa-color-primary-400);
}

.sa-btn--ghost {
  color: var(--sa-color-neutral-700);
  background: var(--sa-color-neutral-100);
  border: 1px solid var(--sa-color-neutral-300);
}

.sa-btn--ghost:hover:not(:disabled) {
  color: var(--sa-color-neutral-900);
  background: var(--sa-color-neutral-200);
  border-color: var(--sa-color-neutral-400);
}

.sa-btn--success {
  color: white;
  background: var(--sa-color-success-600);
  border-color: var(--sa-color-success-600);
}

.sa-btn--success:hover:not(:disabled) {
  background: var(--sa-color-success-700);
  border-color: var(--sa-color-success-700);
}

.sa-btn--error {
  color: white;
  background: var(--sa-color-error-600);
  border-color: var(--sa-color-error-600);
}

.sa-btn--error:hover:not(:disabled) {
  background: var(--sa-color-error-700);
  border-color: var(--sa-color-error-700);
}

/* Button Sizes */
.sa-btn--sm {
  padding: var(--sa-space-2) var(--sa-space-4);
  font-size: var(--sa-text-sm);
}

.sa-btn--lg {
  padding: var(--sa-space-4) var(--sa-space-8);
  font-size: var(--sa-text-lg);
}

.sa-btn--xl {
  padding: var(--sa-space-5) var(--sa-space-10);
  font-size: var(--sa-text-xl);
}

/* Button States */
.sa-btn--loading {
  position: relative;
  color: transparent !important;
}

.sa-btn--loading::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: var(--sa-radius-full);
  transform: translate(-50%, -50%);
  animation: sa-spin 1s linear infinite;
  content: '';
}

.sa-btn--full {
  width: 100%;
}

.sa-btn--icon-only {
  padding: var(--sa-space-3);
  aspect-ratio: 1;
}

/* Button Groups */
.sa-btn-group {
  display: flex;
  gap: var(--sa-space-3);
}

.sa-btn-group--attached {
  gap: 0;
}

.sa-btn-group--attached .sa-btn:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: -1px;
}

.sa-btn-group--attached .sa-btn:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.sa-btn-group--stack {
  flex-direction: column;
}

.sa-btn-group--center {
  justify-content: center;
}

.sa-btn-group--end {
  justify-content: flex-end;
}

/* ==========================================================================
   PROGRESS INDICATORS
   ========================================================================== */

.sa-progress {
  width: 100%;
  height: var(--sa-space-2);
  background: var(--sa-color-neutral-200);
  border-radius: var(--sa-radius-full);
  overflow: hidden;
}

.sa-progress__bar {
  height: 100%;
  background: var(--sa-color-primary-500);
  border-radius: var(--sa-radius-full);
  transition: width var(--sa-transition-slow);
}

.sa-progress--sm {
  height: var(--sa-space-1);
}

.sa-progress--lg {
  height: var(--sa-space-3);
}

/* Circular Progress */
.sa-spinner {
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--sa-color-neutral-200);
  border-top: 2px solid var(--sa-color-primary-500);
  border-radius: var(--sa-radius-full);
  animation: sa-spin 1s linear infinite;
}

.sa-spinner--sm {
  width: 1rem;
  height: 1rem;
  border-width: 1px;
}

.sa-spinner--lg {
  width: 2rem;
  height: 2rem;
  border-width: 3px;
}

/* ==========================================================================
   ALERTS & NOTIFICATIONS
   ========================================================================== */

.sa-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--sa-space-3);
  padding: var(--sa-space-4);
  border: 1px solid;
  border-radius: var(--sa-radius-md);
  font-size: var(--sa-text-sm);
  line-height: var(--sa-leading-normal);
}

.sa-alert__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: var(--sa-space-1);
}

.sa-alert__content {
  flex: 1;
}

.sa-alert__title {
  font-weight: var(--sa-font-semibold);
  margin-bottom: var(--sa-space-1);
}

.sa-alert__description {
  opacity: 0.9;
}

/* Alert Variants */
.sa-alert--info {
  color: var(--sa-color-primary-800);
  background: var(--sa-color-primary-50);
  border-color: var(--sa-color-primary-200);
}

.sa-alert--success {
  color: #000000 !important;
  background: var(--sa-color-success-50);
  border-color: var(--sa-color-success-200);
}

.sa-alert--warning {
  color: #000000 !important;
  background: var(--sa-color-warning-50);
  border-color: var(--sa-color-warning-200);
}

.sa-alert--error {
  color: #000000 !important;
  background: var(--sa-color-error-50);
  border-color: var(--sa-color-error-200);
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

.sa-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--sa-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: rgb(0 0 0 / 0.5);
  backdrop-filter: blur(4px);
}

.sa-loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sa-space-4);
  padding: var(--sa-space-8);
  background: var(--sa-color-neutral-50);
  border-radius: var(--sa-radius-lg);
  box-shadow: var(--sa-shadow-xl);
}

.sa-loading-text {
  font-size: var(--sa-text-base);
  font-weight: var(--sa-font-medium);
  color: var(--sa-color-neutral-700);
  text-align: center;
}

/* Skeleton loaders */
.sa-skeleton {
  background: linear-gradient(
    90deg,
    var(--sa-color-neutral-200) 25%,
    var(--sa-color-neutral-300) 50%,
    var(--sa-color-neutral-200) 75%
  );
  background-size: 200% 100%;
  border-radius: var(--sa-radius-base);
  animation: sa-skeleton 2s ease-in-out infinite;
}

.sa-skeleton--text {
  height: 1rem;
  width: 100%;
}

.sa-skeleton--text--sm {
  height: 0.75rem;
}

.sa-skeleton--text--lg {
  height: 1.25rem;
}

.sa-skeleton--avatar {
  width: 3rem;
  height: 3rem;
  border-radius: var(--sa-radius-full);
}

.sa-skeleton--button {
  height: 2.5rem;
  width: 6rem;
}

/* ==========================================================================
   MODAL COMPONENTS
   ========================================================================== */

.sa-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--sa-z-modal-backdrop);
  width: 100%;
  height: 100%;
  background: rgb(0 0 0 / 0.5);
  backdrop-filter: blur(4px);
  animation: sa-fade-in var(--sa-transition-base);
}

.sa-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: var(--sa-z-modal);
  width: 90%;
  max-width: 32rem;
  max-height: 90vh;
  background: var(--sa-color-neutral-50);
  border-radius: var(--sa-radius-lg);
  box-shadow: var(--sa-shadow-xl);
  transform: translate(-50%, -50%);
  animation: sa-scale-in var(--sa-transition-base);
  overflow: hidden;
}

.sa-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sa-space-6);
  border-bottom: 1px solid var(--sa-color-neutral-200);
}

.sa-modal__title {
  font-size: var(--sa-text-lg);
  font-weight: var(--sa-font-semibold);
  color: var(--sa-color-neutral-900);
}

.sa-modal__close {
  padding: var(--sa-space-1);
  color: var(--sa-color-neutral-400);
  background: transparent;
  border: none;
  border-radius: var(--sa-radius-base);
  cursor: pointer;
  transition: color var(--sa-transition-base);
}

.sa-modal__close:hover {
  color: var(--sa-color-neutral-600);
}

.sa-modal__body {
  padding: var(--sa-space-6);
  overflow-y: auto;
}

.sa-modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--sa-space-3);
  padding: var(--sa-space-6);
  border-top: 1px solid var(--sa-color-neutral-200);
  background: var(--sa-color-neutral-25);
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

/* Visibility */
.sa-hidden {
  display: none !important;
}

.sa-visible {
  display: block !important;
}

.sa-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Text utilities */
.sa-text-center {
  text-align: center !important;
}

.sa-text-left {
  text-align: left !important;
}

.sa-text-right {
  text-align: right !important;
}

.sa-font-medium {
  font-weight: var(--sa-font-medium) !important;
}

.sa-font-semibold {
  font-weight: var(--sa-font-semibold) !important;
}

.sa-font-bold {
  font-weight: var(--sa-font-bold) !important;
}

.sa-text-xs {
  font-size: var(--sa-text-xs) !important;
}

.sa-text-sm {
  font-size: var(--sa-text-sm) !important;
}

.sa-text-lg {
  font-size: var(--sa-text-lg) !important;
}

.sa-text-xl {
  font-size: var(--sa-text-xl) !important;
}

/* Spacing utilities */
.sa-mt-0 { margin-top: var(--sa-space-0) !important; }
.sa-mt-1 { margin-top: var(--sa-space-1) !important; }
.sa-mt-2 { margin-top: var(--sa-space-2) !important; }
.sa-mt-3 { margin-top: var(--sa-space-3) !important; }
.sa-mt-4 { margin-top: var(--sa-space-4) !important; }
.sa-mt-6 { margin-top: var(--sa-space-6) !important; }
.sa-mt-8 { margin-top: var(--sa-space-8) !important; }

.sa-mb-0 { margin-bottom: var(--sa-space-0) !important; }
.sa-mb-1 { margin-bottom: var(--sa-space-1) !important; }
.sa-mb-2 { margin-bottom: var(--sa-space-2) !important; }
.sa-mb-3 { margin-bottom: var(--sa-space-3) !important; }
.sa-mb-4 { margin-bottom: var(--sa-space-4) !important; }
.sa-mb-6 { margin-bottom: var(--sa-space-6) !important; }
.sa-mb-8 { margin-bottom: var(--sa-space-8) !important; }

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes sa-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes sa-skeleton {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@keyframes sa-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes sa-scale-in {
  from {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes sa-slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes sa-slide-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   WHATSAPP VERIFICATION COMPONENTS
   ========================================================================== */

.sa-question-verification-wrapper {
  position: relative;
  width: 100%;
}

.sa-verification-input-group {
  display: flex;
  gap: var(--sa-space-3);
  align-items: stretch;
  margin-bottom: var(--sa-space-2);
}

.sa-verification-input {
  flex: 1;
  padding: var(--sa-space-3) var(--sa-space-4);
  font-size: var(--sa-text-lg);
  font-weight: var(--sa-font-medium);
  text-align: center;
  letter-spacing: 0.1em;
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-md);
  transition: all var(--sa-transition-base);
  background: var(--sa-color-neutral-50);
}

.sa-verification-input:focus {
  outline: none;
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
  background: white;
}

.sa-verification-input:disabled {
  background: var(--sa-color-neutral-100);
  color: var(--sa-color-neutral-500);
  cursor: not-allowed;
}

.sa-verification-resend-btn {
  padding: var(--sa-space-3) var(--sa-space-4);
  font-size: var(--sa-text-sm);
  font-weight: var(--sa-font-medium);
  color: var(--sa-color-primary-600);
  background: var(--sa-color-primary-50);
  border: 1px solid var(--sa-color-primary-200);
  border-radius: var(--sa-radius-md);
  cursor: pointer;
  transition: all var(--sa-transition-base);
  white-space: nowrap;
  min-width: 120px;
}

.sa-verification-resend-btn:hover:not(:disabled) {
  color: var(--sa-color-primary-700);
  background: var(--sa-color-primary-100);
  border-color: var(--sa-color-primary-300);
}

.sa-verification-resend-btn:disabled {
  color: var(--sa-color-neutral-500);
  background: var(--sa-color-neutral-100);
  border-color: var(--sa-color-neutral-300);
  cursor: not-allowed;
}

.sa-verification-help {
  margin-top: var(--sa-space-2);
}

.sa-verification-help small {
  color: var(--sa-color-neutral-600);
  font-size: var(--sa-text-sm);
  line-height: var(--sa-leading-snug);
}

/* Resend row - below help text */
.sa-verification-resend-row {
  display: flex;
  align-items: center;
  gap: var(--sa-space-2);
  margin-top: var(--sa-space-3);
}

.sa-verification-resend-text {
  font-size: var(--sa-text-sm);
  color: var(--sa-color-neutral-600);
}

/* Compact resend button */
.sa-verification-resend-btn--compact {
  padding: var(--sa-space-1) var(--sa-space-3);
  font-size: var(--sa-text-xs);
  min-width: auto;
  height: auto;
  line-height: 1.4;
}

/* Input container - full width */
.sa-verification-input-container {
  width: 100%;
}

/* Loading state for verification step */
.sa-question-verification-wrapper.sa-loading {
  position: relative;
}

.sa-question-verification-wrapper.sa-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--sa-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.sa-question-verification-wrapper.sa-loading::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--sa-color-neutral-300);
  border-top: 2px solid var(--sa-color-primary-600);
  border-radius: 50%;
  animation: sa-spin 1s linear infinite;
  z-index: 11;
}

/* WhatsApp verification status messages */
.sa-whatsapp-success,
.sa-whatsapp-error {
  padding: var(--sa-space-3) var(--sa-space-4);
  margin: var(--sa-space-3) 0;
  border-radius: var(--sa-radius-md);
  font-size: var(--sa-text-sm);
  font-weight: var(--sa-font-medium);
  line-height: var(--sa-leading-snug);
  animation: sa-slide-down 0.3s ease-out;
}

.sa-whatsapp-success {
  color: var(--sa-color-success-700);
  background: var(--sa-color-success-50);
  border: 1px solid var(--sa-color-success-200);
}

.sa-whatsapp-error {
  color: var(--sa-color-error-700);
  background: var(--sa-color-error-50);
  border: 1px solid var(--sa-color-error-200);
}

/* Verification input animations */
.sa-verification-input.animate-success {
  border-color: var(--sa-color-success-500);
  background: var(--sa-color-success-50);
  animation: sa-pulse-success 0.5s ease-out;
}

.sa-verification-input.animate-error {
  border-color: var(--sa-color-error-500);
  background: var(--sa-color-error-50);
  animation: sa-shake 0.5s ease-out;
}

/* Success/Error animations */
@keyframes sa-pulse-success {
  0% {
    box-shadow: 0 0 0 0 rgb(34 197 94 / 0.4);
  }
  70% {
    box-shadow: 0 0 0 8px rgb(34 197 94 / 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgb(34 197 94 / 0);
  }
}

@keyframes sa-shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-4px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(4px);
  }
}

@keyframes sa-slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   RESPONSIVE UTILITIES
   ========================================================================== */

@media (max-width: 640px) {
  .sa-form {
    padding: 0 var(--sa-space-4);
  }

  .sa-modal {
    width: 95%;
    max-height: 95vh;
  }

  .sa-btn-group {
    flex-direction: column;
  }

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

  /* WhatsApp verification responsive styles */
  .sa-verification-input-group {
    flex-direction: column;
    gap: var(--sa-space-2);
  }

  .sa-verification-input {
    width: 100%;
    font-size: var(--sa-text-base);
  }

  .sa-verification-resend-btn {
    width: 100%;
    min-width: auto;
    padding: var(--sa-space-2) var(--sa-space-3);
  }
}

/* Success screen after registration */
.sa-success-screen {
  text-align: center;
  padding: var(--sa-space-8) var(--sa-space-4);
  max-width: 480px;
  margin: 0 auto;
}

.sa-success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--sa-color-success-100);
  color: var(--sa-color-success-600);
  margin-bottom: var(--sa-space-6);
}

.sa-success-title {
  font-size: var(--sa-text-2xl);
  font-weight: var(--sa-font-bold);
  color: var(--sa-color-neutral-900);
  margin: 0 0 var(--sa-space-4) 0;
}

.sa-success-message {
  font-size: var(--sa-text-base);
  color: var(--sa-color-neutral-600);
  line-height: var(--sa-leading-relaxed);
  margin: 0 0 var(--sa-space-4) 0;
}

.sa-success-email {
  font-size: var(--sa-text-sm);
  color: var(--sa-color-neutral-700);
  background: var(--sa-color-neutral-100);
  padding: var(--sa-space-3) var(--sa-space-4);
  border-radius: var(--sa-radius-md);
  margin: 0 0 var(--sa-space-6) 0;
}

.sa-success-email strong {
  color: var(--sa-color-primary-600);
}

/* Large email display - twice the size */
.sa-success-email--large {
  font-size: var(--sa-text-xl);
  padding: var(--sa-space-6) var(--sa-space-8);
  margin: var(--sa-space-4) 0 var(--sa-space-8) 0;
}

.sa-success-email--large strong {
  font-size: var(--sa-text-2xl);
  display: block;
  margin-top: var(--sa-space-2);
  word-break: break-all;
}

.sa-success-note {
  margin: 0;
}

/* Exclusive checkbox styling (e.g., "No tengo cédula") */
.sa-question-checkbox--exclusive {
  margin-top: var(--sa-space-4);
  padding-top: var(--sa-space-4);
  border-top: 1px solid var(--sa-color-neutral-200);
}

.sa-success-note small {
  font-size: var(--sa-text-xs);
  color: var(--sa-color-neutral-500);
}

/* ========================================
   Modern Toast Notification System
   ======================================== */

.sa-toast-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  backdrop-filter: blur(4px);
}

.sa-toast-overlay--visible {
  opacity: 1;
  visibility: visible;
}

.sa-toast {
  background: #ffffff;
  border-radius: 16px;
  padding: 24px 32px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s ease;
}

.sa-toast-overlay--visible .sa-toast {
  transform: scale(1) translateY(0);
}

.sa-toast__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sa-toast--success .sa-toast__icon {
  background: #dcfce7;
  color: #16a34a;
}

.sa-toast--error .sa-toast__icon {
  background: #fee2e2;
  color: #dc2626;
}

.sa-toast--warning .sa-toast__icon {
  background: #fef3c7;
  color: #d97706;
}

.sa-toast--info .sa-toast__icon {
  background: #dbeafe;
  color: #2563eb;
}

.sa-toast__content {
  flex: 1;
  min-width: 0;
}

.sa-toast__title {
  margin: 0 0 4px 0;
  font-size: 18px;
  font-weight: 700;
  color: #1f2937;
}

.sa-toast__message {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: #4b5563;
}

.sa-toast__close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: #9ca3af;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.sa-toast__close:hover {
  background: #f3f4f6;
  color: #374151;
}

/* ========================================
   Inline Error Styles
   ======================================== */

.sa-inline-error {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 14px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #dc2626;
  font-size: 14px;
  animation: sa-slide-in 0.3s ease;
}

.sa-inline-error svg {
  flex-shrink: 0;
}

/* Input error state */
.sa-input-error {
  border-color: #dc2626 !important;
  background: #fef2f2 !important;
}

.sa-input-error:focus {
  border-color: #dc2626 !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2) !important;
}

/* Shake animation for invalid input */
@keyframes sa-shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.sa-shake {
  animation: sa-shake 0.5s ease;
}

@keyframes sa-slide-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   COLOR UTILITY CLASSES
   ============================================ */

/* Text Colors */
.sa-text-primary-600 {
  color: var(--sa-color-primary-600) !important;
}

.sa-text-primary-700 {
  color: var(--sa-color-primary-700) !important;
}

.sa-text-neutral-600 {
  color: var(--sa-color-neutral-600) !important;
}

.sa-text-neutral-900 {
  color: var(--sa-color-neutral-900) !important;
}

/* Alternative class names (usado en algunos forms) */
.sa-color-neutral-900 {
  color: var(--sa-color-neutral-900) !important;
}

.sa-color-neutral-600 {
  color: var(--sa-color-neutral-600) !important;
}

/* Link hover states */
.sa-text-primary-600:hover {
  color: var(--sa-color-primary-700) !important;
}