/**
 * SoyAgente Secure Auth - Design System 2025
 * Enterprise-grade minimal design system with modern CSS
 * 
 * @version 1.0.0
 * @author SoyAgente Team
 */

/* ==========================================================================
   DESIGN TOKENS
   ========================================================================== */

:root {
  /* Colors - Neutral Palette (2025 minimal) */
  --sa-color-neutral-25: #ffffff;
  --sa-color-neutral-50: #fafafa;
  --sa-color-neutral-100: #f5f5f5;
  --sa-color-neutral-200: #e5e5e5;
  --sa-color-neutral-300: #d4d4d4;
  --sa-color-neutral-400: #a3a3a3;
  --sa-color-neutral-500: #737373;
  --sa-color-neutral-600: #525252;
  --sa-color-neutral-700: #404040;
  --sa-color-neutral-800: #262626;
  --sa-color-neutral-900: #171717;
  --sa-color-neutral-950: #0a0a0a;

  /* Brand Colors */
  --sa-color-primary-50: #eff6ff;
  --sa-color-primary-100: #dbeafe;
  --sa-color-primary-200: #bfdbfe;
  --sa-color-primary-300: #93c5fd;
  --sa-color-primary-400: #60a5fa;
  --sa-color-primary-500: #3b82f6;
  --sa-color-primary-600: #2563eb;
  --sa-color-primary-700: #1d4ed8;
  --sa-color-primary-800: #1e40af;
  --sa-color-primary-900: #1e3a8a;

  /* Semantic Colors */
  --sa-color-success-50: #f0fdf4;
  --sa-color-success-200: #bbf7d0;
  --sa-color-success-500: #22c55e;
  --sa-color-success-600: #16a34a;
  --sa-color-success-700: #15803d;
  --sa-color-success-800: #166534;

  --sa-color-warning-50: #fffbeb;
  --sa-color-warning-200: #fde68a;
  --sa-color-warning-500: #f59e0b;
  --sa-color-warning-600: #d97706;
  --sa-color-warning-700: #b45309;
  --sa-color-warning-800: #92400e;

  --sa-color-error-50: #fef2f2;
  --sa-color-error-200: #fecaca;
  --sa-color-error-500: #ef4444;
  --sa-color-error-600: #dc2626;
  --sa-color-error-700: #b91c1c;
  --sa-color-error-800: #991b1b;

  /* Typography Scale (Perfect Fourth - 1.333) */
  --sa-text-xs: 0.75rem;      /* 12px */
  --sa-text-sm: 0.875rem;     /* 14px */
  --sa-text-base: 1rem;       /* 16px */
  --sa-text-lg: 1.125rem;     /* 18px */
  --sa-text-xl: 1.25rem;      /* 20px */
  --sa-text-2xl: 1.5rem;      /* 24px */
  --sa-text-3xl: 1.875rem;    /* 30px */
  --sa-text-4xl: 2.25rem;     /* 36px */
  --sa-text-5xl: 3rem;        /* 48px */

  /* Font Weights */
  --sa-font-light: 300;
  --sa-font-normal: 400;
  --sa-font-medium: 500;
  --sa-font-semibold: 600;
  --sa-font-bold: 700;

  /* Font Families */
  --sa-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", system-ui, ui-sans-serif, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --sa-font-mono: ui-monospace, "SF Mono", "Cascade Code", "Roboto Mono", Consolas, "Courier New", monospace;

  /* Line Heights */
  --sa-leading-none: 1;
  --sa-leading-tight: 1.25;
  --sa-leading-snug: 1.375;
  --sa-leading-normal: 1.5;
  --sa-leading-relaxed: 1.625;
  --sa-leading-loose: 2;

  /* Spacing Scale (1.5 ratio) */
  --sa-space-0: 0;
  --sa-space-1: 0.25rem;    /* 4px */
  --sa-space-2: 0.5rem;     /* 8px */
  --sa-space-3: 0.75rem;    /* 12px */
  --sa-space-4: 1rem;       /* 16px */
  --sa-space-5: 1.25rem;    /* 20px */
  --sa-space-6: 1.5rem;     /* 24px */
  --sa-space-8: 2rem;       /* 32px */
  --sa-space-10: 2.5rem;    /* 40px */
  --sa-space-12: 3rem;      /* 48px */
  --sa-space-16: 4rem;      /* 64px */
  --sa-space-20: 5rem;      /* 80px */
  --sa-space-24: 6rem;      /* 96px */

  /* Border Radius */
  --sa-radius-none: 0;
  --sa-radius-sm: 0.25rem;   /* 4px */
  --sa-radius-base: 0.375rem; /* 6px */
  --sa-radius-md: 0.5rem;    /* 8px */
  --sa-radius-lg: 0.75rem;   /* 12px */
  --sa-radius-xl: 1rem;      /* 16px */
  --sa-radius-2xl: 1.5rem;   /* 24px */
  --sa-radius-full: 9999px;

  /* Shadows */
  --sa-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --sa-shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --sa-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --sa-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --sa-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --sa-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --sa-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --sa-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --sa-z-dropdown: 1000;
  --sa-z-sticky: 1020;
  --sa-z-fixed: 1030;
  --sa-z-modal-backdrop: 1040;
  --sa-z-modal: 1050;
  --sa-z-popover: 1060;
  --sa-z-tooltip: 1070;

  /* Breakpoints (for JS usage) */
  --sa-breakpoint-sm: 640px;
  --sa-breakpoint-md: 768px;
  --sa-breakpoint-lg: 1024px;
  --sa-breakpoint-xl: 1280px;
  --sa-breakpoint-2xl: 1536px;
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

/* Reset & Normalize */
.sa-auth *,
.sa-auth *::before,
.sa-auth *::after {
  box-sizing: border-box;
}

.sa-auth {
  /* Base typography */
  font-family: var(--sa-font-sans);
  font-size: var(--sa-text-base);
  line-height: var(--sa-leading-normal);
  color: var(--sa-color-neutral-900);
  
  /* Better text rendering */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  
  /* Reset margins and padding */
  margin: 0;
  padding: 0;
}

/* Focus management for accessibility */
.sa-auth *:focus {
  outline: 2px solid var(--sa-color-primary-500);
  outline-offset: 2px;
}

.sa-auth *:focus:not(:focus-visible) {
  outline: none;
}

.sa-auth *:focus-visible {
  outline: 2px solid var(--sa-color-primary-500);
  outline-offset: 2px;
}

/* ==========================================================================
   LAYOUT COMPONENTS
   ========================================================================== */

/* Container */
.sa-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--sa-space-4);
}

@media (min-width: 640px) {
  .sa-container {
    padding: 0 var(--sa-space-6);
  }
}

@media (min-width: 1024px) {
  .sa-container {
    padding: 0 var(--sa-space-8);
  }
}

/* Card Component */
.sa-card {
  background: var(--sa-color-neutral-50);
  border: 1px solid var(--sa-color-neutral-200);
  border-radius: var(--sa-radius-lg);
  box-shadow: var(--sa-shadow-base);
  overflow: hidden;
}

.sa-card--elevated {
  box-shadow: var(--sa-shadow-lg);
}

.sa-card__header {
  padding: var(--sa-space-6) var(--sa-space-6) var(--sa-space-4);
  border-bottom: 1px solid var(--sa-color-neutral-200);
}

.sa-card__body {
  padding: var(--sa-space-6);
}

.sa-card__footer {
  padding: var(--sa-space-4) var(--sa-space-6) var(--sa-space-6);
  border-top: 1px solid var(--sa-color-neutral-200);
  background: var(--sa-color-neutral-25);
}

/* ==========================================================================
   FORM COMPONENTS
   ========================================================================== */

/* Form wrapper */
.sa-form {
  width: 100%;
  max-width: 24rem; /* 384px */
  margin: 0 auto;
}

.sa-form--wide {
  max-width: 32rem; /* 512px */
}

/* Form steps */
.sa-form-steps {
  display: flex;
  justify-content: center;
  margin-bottom: var(--sa-space-8);
  padding: 0;
  list-style: none;
}

.sa-form-step {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--sa-color-neutral-400);
  font-size: var(--sa-text-sm);
  font-weight: var(--sa-font-medium);
}

.sa-form-step:not(:last-child)::after {
  content: '';
  width: var(--sa-space-12);
  height: 1px;
  margin: 0 var(--sa-space-4);
  background: var(--sa-color-neutral-300);
}

.sa-form-step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-right: var(--sa-space-2);
  background: var(--sa-color-neutral-200);
  border-radius: var(--sa-radius-full);
  font-size: var(--sa-text-sm);
  font-weight: var(--sa-font-semibold);
  transition: all var(--sa-transition-base);
}

.sa-form-step--active {
  color: var(--sa-color-primary-700);
}

.sa-form-step--active .sa-form-step__number {
  background: var(--sa-color-primary-500);
  color: white;
}

.sa-form-step--completed {
  color: var(--sa-color-success-600);
}

.sa-form-step--completed .sa-form-step__number {
  background: var(--sa-color-success-500);
  color: white;
}

.sa-form-step--completed .sa-form-step__number::before {
  content: '✓';
}

/* Form groups */
.sa-form-group {
  margin-bottom: var(--sa-space-6);
}

.sa-form-group--inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sa-space-4);
}

.sa-form-group--triple {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--sa-space-4);
}

@media (max-width: 640px) {
  .sa-form-group--inline,
  .sa-form-group--triple {
    grid-template-columns: 1fr;
  }
}

/* Labels */
.sa-label {
  display: block;
  margin-bottom: var(--sa-space-2);
  font-size: var(--sa-text-sm);
  font-weight: var(--sa-font-medium);
  color: var(--sa-color-neutral-700);
  line-height: var(--sa-leading-tight);
}

.sa-label--required::after {
  content: ' *';
  color: var(--sa-color-error-500);
}

.sa-label--optional::after {
  content: ' (opcional)';
  font-weight: var(--sa-font-normal);
  color: var(--sa-color-neutral-500);
}

/* Input fields */
.sa-input {
  width: 100%;
  padding: var(--sa-space-3) var(--sa-space-4);
  font-size: var(--sa-text-base);
  line-height: var(--sa-leading-tight);
  color: var(--sa-color-neutral-900);
  background: var(--sa-color-neutral-50);
  border: 1px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-md);
  transition: all var(--sa-transition-base);
  appearance: none;
}

.sa-input:focus {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

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

.sa-input--error {
  border-color: var(--sa-color-error-500);
}

.sa-input--error:focus {
  border-color: var(--sa-color-error-500);
  box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1);
}

.sa-input--success {
  border-color: var(--sa-color-success-500);
}

/* Select fields */
.sa-select {
  position: relative;
}

.sa-select select {
  width: 100%;
  padding: var(--sa-space-3) var(--sa-space-10) var(--sa-space-3) var(--sa-space-4);
  font-size: var(--sa-text-base);
  line-height: var(--sa-leading-tight);
  color: var(--sa-color-neutral-900);
  background: var(--sa-color-neutral-50);
  border: 1px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-md);
  transition: all var(--sa-transition-base);
  appearance: none;
  cursor: pointer;
}

.sa-select::after {
  position: absolute;
  top: 50%;
  right: var(--sa-space-4);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--sa-color-neutral-400);
  transform: translateY(-50%);
  pointer-events: none;
  content: '';
}

.sa-select select:focus {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* Checkbox and Radio */
.sa-checkbox,
.sa-radio {
  display: flex;
  align-items: flex-start;
  gap: var(--sa-space-3);
}

.sa-checkbox__input,
.sa-radio__input {
  width: 1.5rem;
  height: 1.5rem;
  margin: 0;
  border: 2px solid var(--sa-color-neutral-400);
  border-radius: var(--sa-radius-sm);
  background: var(--sa-color-neutral-50);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.sa-radio__input {
  border-radius: var(--sa-radius-full);
}

.sa-checkbox__input:hover,
.sa-radio__input:hover {
  border-color: var(--sa-color-primary-500);
  background: var(--sa-color-primary-50);
  transform: scale(1.05);
}

.sa-checkbox__input:checked,
.sa-radio__input:checked {
  border-color: var(--sa-color-primary-600);
  background: var(--sa-color-primary-600);
  box-shadow: 0 0 0 4px rgb(37 99 235 / 0.25);
  animation: checkbox-pulse 0.3s ease;
}

@keyframes checkbox-pulse {
  0% {
    transform: scale(0.9);
    box-shadow: 0 0 0 0 rgb(37 99 235 / 0.4);
  }
  50% {
    transform: scale(1.1);
    box-shadow: 0 0 0 6px rgb(37 99 235 / 0.2);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 4px rgb(37 99 235 / 0.25);
  }
}

.sa-checkbox__label,
.sa-radio__label {
  font-size: var(--sa-text-base);
  font-weight: var(--sa-font-medium);
  line-height: var(--sa-leading-normal);
  color: var(--sa-color-neutral-700);
  cursor: pointer;
}

/* Special styling for terms checkbox in step 10 */
.sa-terms-checkbox {
  padding: var(--sa-space-4);
  background: #ffffff;
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  margin-top: var(--sa-space-4);
}

.sa-terms-checkbox .sa-checkbox__input {
  width: 1.75rem;
  height: 1.75rem;
  border-width: 3px;
}

.sa-terms-checkbox .sa-checkbox__label {
  font-size: var(--sa-text-lg);
  font-weight: var(--sa-font-semibold);
  color: #000000;
}

.sa-terms-checkbox .sa-checkbox__label a {
  color: #000000;
  text-decoration: underline;
  font-weight: var(--sa-font-bold);
}

.sa-terms-checkbox .sa-checkbox__label a:hover {
  color: #000000;
  text-decoration-thickness: 2px;
}

/* Field help text */
.sa-field-help {
  margin-top: var(--sa-space-2);
  font-size: var(--sa-text-xs);
  line-height: var(--sa-leading-normal);
  color: var(--sa-color-neutral-500);
}

/* Field error */
.sa-field-error {
  margin-top: var(--sa-space-2);
  font-size: var(--sa-text-xs);
  line-height: var(--sa-leading-normal);
  color: var(--sa-color-error-600);
}

.sa-field-error::before {
  content: '⚠ ';
  margin-right: var(--sa-space-1);
}

/* ==========================================================================
   CONVERSATIONAL FORM COMPONENTS
   ========================================================================== */

/* Conversational form wrapper */
.sa-auth--conversational {
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sa-space-2) 0;
  background: transparent;
}

.sa-conversational-wrapper {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: var(--sa-space-4);
}

/* Header */
.sa-conversational-header {
  text-align: center;
  margin-bottom: var(--sa-space-2);
}

.sa-conversational-title {
  font-size: var(--sa-text-3xl);
  font-weight: var(--sa-font-bold);
  color: #000000 !important;
  margin-bottom: var(--sa-space-4);
  line-height: var(--sa-leading-tight);
}

.sa-conversational-subtitle {
  font-size: var(--sa-text-lg);
  color: #000000 !important;
  line-height: var(--sa-leading-relaxed);
}

/* Form container */
.sa-conversational-form {
  background: var(--sa-color-neutral-50);
  border-radius: var(--sa-radius-lg);
  box-shadow: var(--sa-shadow-xl);
  padding: var(--sa-space-6) var(--sa-space-4);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Question container */
.sa-question-container {
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 200px;
  padding: var(--sa-space-6) 0;
}

.sa-question-title {
  font-size: var(--sa-text-xl);
  font-weight: var(--sa-font-semibold);
  color: var(--sa-color-neutral-900);
  margin-bottom: var(--sa-space-3);
  line-height: var(--sa-leading-snug);
  animation: sa-slide-in 0.3s ease-out;
}

.sa-question-context {
  font-size: var(--sa-text-base);
  color: var(--sa-color-neutral-600);
  margin-bottom: var(--sa-space-8);
  line-height: var(--sa-leading-normal);
  animation: sa-slide-in 0.3s ease-out 0.1s both;
}

/* Question input styles */
.sa-question-input {
  width: 100%;
  max-width: 100%;
  margin: 0 auto var(--sa-space-6);
  font-size: var(--sa-text-base);
  padding: var(--sa-space-3) var(--sa-space-4);
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  background: var(--sa-color-neutral-50);
  transition: all var(--sa-transition-base);
  text-align: center;
  animation: sa-slide-in 0.3s ease-out 0.2s both;
}

.sa-question-input:focus {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.1);
  outline: none;
}

.sa-question-input--error {
  border-color: var(--sa-color-error-500);
  animation: sa-shake 0.5s ease-in-out;
}

/* Progress indicator */
.sa-progress-indicator {
  text-align: center;
  margin: var(--sa-space-8) 0 var(--sa-space-6);
}

.sa-progress-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--sa-space-2);
  margin-bottom: var(--sa-space-4);
}

.sa-progress-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--sa-radius-full);
  background: var(--sa-color-neutral-300);
  transition: all var(--sa-transition-base);
  cursor: pointer;
}

.sa-progress-dot--active {
  background: var(--sa-color-primary-500);
  transform: scale(1.3);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.2);
}

.sa-progress-dot--completed {
  background: var(--sa-color-success-500);
  transform: scale(1.1);
}

.sa-progress-text {
  font-size: var(--sa-text-sm);
  color: var(--sa-color-neutral-600);
  font-weight: var(--sa-font-medium);
}

/* Navigation */
.sa-conversational-nav {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--sa-space-6);
  gap: var(--sa-space-4);
}

.sa-conv-nav-btn {
  flex: 1;
  max-width: none;
  width: 100%;
  padding: var(--sa-space-4) var(--sa-space-6);
  font-size: var(--sa-text-base);
  font-weight: var(--sa-font-medium);
  border-radius: var(--sa-radius-lg);
  transition: all var(--sa-transition-base);
}

/* Animations */
@keyframes sa-slide-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Responsive design - Mobile First */

/* Tablet: 768px and up */
@media (min-width: 768px) {
  .sa-conversational-wrapper {
    padding: var(--sa-space-6);
  }

  .sa-conversational-form {
    padding: var(--sa-space-8) var(--sa-space-6);
    border-radius: var(--sa-radius-xl);
  }

  .sa-conversational-title {
    font-size: var(--sa-text-4xl);
  }

  .sa-question-title {
    font-size: var(--sa-text-2xl);
  }

  .sa-question-input {
    max-width: 500px;
    font-size: var(--sa-text-lg);
    padding: var(--sa-space-4) var(--sa-space-5);
  }

  .sa-conversational-nav {
    flex-direction: row;
  }

  .sa-conv-nav-btn {
    max-width: 200px;
    width: auto;
  }

  /* Triple input stays stacked on tablet */
  .sa-question-triple-input {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  /* Password input */
  .sa-password-input-wrapper {
    max-width: 500px;
  }

  .sa-password-input {
    font-size: var(--sa-text-lg) !important;
    padding: var(--sa-space-4) var(--sa-space-5) !important;
  }

  /* Postal settlement */
  .sa-question-postal-settlement {
    max-width: 500px;
  }

  .sa-postal-input,
  .sa-settlement-select {
    font-size: var(--sa-text-lg) !important;
    padding: var(--sa-space-4) var(--sa-space-5) !important;
  }

  /* Phone input */
  .sa-question-phone-input {
    max-width: 500px;
  }
}

/* Desktop: 1024px and up */
@media (min-width: 1024px) {
  .sa-conversational-wrapper {
    padding: var(--sa-space-8) var(--sa-space-6);
  }

  .sa-conversational-form {
    padding: var(--sa-space-10) var(--sa-space-8);
    border-radius: var(--sa-radius-2xl);
  }

  .sa-question-input {
    max-width: 600px;
  }

  /* Triple input can show 3 columns on desktop */
  .sa-question-triple-input {
    grid-template-columns: 1fr 1fr 1fr;
    max-width: 600px;
  }

  /* Password input */
  .sa-password-input-wrapper {
    max-width: 600px;
  }

  /* Postal settlement */
  .sa-question-postal-settlement {
    max-width: 600px;
  }

  /* Phone input */
  .sa-question-phone-input {
    max-width: 600px;
  }
}

/* Triple input layout (nombre completo) - Mobile First */
.sa-question-triple-input {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sa-space-3);
  max-width: 100%;
  margin: 0 auto var(--sa-space-6);
  animation: sa-slide-in 0.3s ease-out 0.2s both;
}

.sa-question-triple-input .sa-question-input {
  margin: 0;
  max-width: none;
  font-size: var(--sa-text-base);
  padding: var(--sa-space-3) var(--sa-space-4);
}

/* Dual input layout (fallback) */
.sa-question-dual-input {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sa-space-4);
  max-width: 400px;
  margin: 0 auto var(--sa-space-6);
  animation: sa-slide-in 0.3s ease-out 0.2s both;
}

.sa-question-dual-input .sa-question-input {
  margin: 0;
  max-width: none;
}

/* Vertical triple input layout (nombre completo - 3 líneas) */
.sa-question-vertical-input {
  display: flex;
  flex-direction: column;
  gap: var(--sa-space-4);
  max-width: 400px;
  margin: 0 auto var(--sa-space-6);
  animation: sa-slide-in 0.3s ease-out 0.2s both;
}

.sa-question-vertical-input .sa-question-input {
  margin: 0;
  max-width: none;
  font-size: var(--sa-text-lg);
  padding: var(--sa-space-4) var(--sa-space-5);
  text-align: center;
}

/* Auto-uppercase functionality */
.sa-auto-uppercase {
  text-transform: uppercase;
}

/* Password input with toggle */
.sa-password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 400px;
  margin: 0 auto var(--sa-space-6);
  background: var(--sa-color-neutral-50);
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  overflow: hidden;
  transition: all var(--sa-transition-base);
  animation: sa-slide-in 0.3s ease-out 0.2s both;
}

.sa-password-input-wrapper:focus-within {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.1);
}

.sa-password-input {
  flex: 1;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  outline: none !important;
  margin: 0 !important;
  font-size: var(--sa-text-lg) !important;
  padding: var(--sa-space-4) var(--sa-space-5) !important;
  text-align: center;
}

.sa-password-input:focus {
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
}

.sa-password-toggle {
  background: none;
  border: none;
  padding: var(--sa-space-3);
  margin-right: var(--sa-space-2);
  cursor: pointer;
  transition: all var(--sa-transition-base);
  border-radius: var(--sa-radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
}

.sa-password-toggle:hover {
  background: var(--sa-color-neutral-100);
}

.sa-password-toggle:focus {
  outline: 2px solid var(--sa-color-primary-500);
  outline-offset: 2px;
}

.sa-password-toggle-icon {
  font-size: var(--sa-text-lg);
  transition: opacity var(--sa-transition-base);
}

.sa-password-toggle[data-visible="true"] .sa-password-toggle-icon {
  opacity: 0.7;
}

/* Postal code with settlement input */
.sa-question-postal-settlement {
  max-width: 400px;
  margin: 0 auto var(--sa-space-6);
  animation: sa-slide-in 0.3s ease-out 0.2s both;
}

.sa-postal-input-wrapper {
  margin-bottom: var(--sa-space-4);
}

.sa-postal-input {
  margin: 0 !important;
  max-width: none;
  font-size: var(--sa-text-lg);
  padding: var(--sa-space-4) var(--sa-space-5);
  text-align: center;
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  transition: all var(--sa-transition-base);
}

.sa-postal-input:focus {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.1);
}

.sa-postal-help {
  text-align: center;
  margin-top: var(--sa-space-2);
}

.sa-postal-help small {
  font-size: var(--sa-text-xs);
  color: var(--sa-color-neutral-500);
  font-style: italic;
}

.sa-settlement-wrapper {
  animation: sa-slide-in 0.3s ease-out;
}

.sa-settlement-select {
  margin: 0 !important;
  max-width: none;
  font-size: var(--sa-text-lg);
  padding: var(--sa-space-4) var(--sa-space-5);
  text-align: center;
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  transition: all var(--sa-transition-base);
  background: var(--sa-color-neutral-50);
}

.sa-settlement-select:focus {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.1);
}

/* Phone input with country code */
.sa-question-phone-input {
  display: flex;
  align-items: center;
  max-width: 400px;
  margin: 0 auto var(--sa-space-3);
  background: var(--sa-color-neutral-50);
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  overflow: hidden;
  transition: all var(--sa-transition-base);
  animation: sa-slide-in 0.3s ease-out 0.2s both;
}

.sa-question-phone-input:focus-within {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.1);
}

.sa-phone-country-code {
  background: var(--sa-color-neutral-100);
  padding: var(--sa-space-4) var(--sa-space-3);
  border-right: 1px solid var(--sa-color-neutral-300);
  display: flex;
  align-items: center;
}

.sa-country-code {
  font-size: var(--sa-text-lg);
  font-weight: var(--sa-font-medium);
  color: var(--sa-color-neutral-700);
  white-space: nowrap;
  min-width: 35px;
}

.sa-phone-input {
  flex: 1;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  outline: none !important;
  margin: 0 !important;
  font-size: var(--sa-text-lg) !important;
  padding: var(--sa-space-4) var(--sa-space-4) !important;
  text-align: center;
}

.sa-phone-input:focus {
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
}

.sa-phone-help {
  text-align: center;
  margin-bottom: var(--sa-space-6);
}

.sa-phone-help small {
  font-size: var(--sa-text-xs);
  color: var(--sa-color-neutral-500);
  font-style: italic;
}

/* ==========================================================================
   LOGIN FORM - Transparent Background
   ========================================================================== */

/* Login form container - transparent background */
.sa-auth[data-component="login-form"] {
  min-height: auto;
  padding: 0 var(--sa-space-4);
  margin: 0;
}

.sa-auth[data-component="login-form"] .sa-container {
  max-width: 480px;
}

/* Remove card background for transparent look */
.sa-auth[data-component="login-form"] .sa-card {
  background: var(--sa-color-neutral-25);
  border: 1px solid var(--sa-color-neutral-200);
  box-shadow: var(--sa-shadow-lg);
  border-radius: var(--sa-radius-xl);
  padding: var(--sa-space-5);
  max-width: 28rem;
  margin: 0 auto;
}

.sa-auth[data-component="login-form"] .sa-card__header {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: var(--sa-space-2);
}

.sa-auth[data-component="login-form"] .sa-card__header h2,
.sa-auth[data-component="login-form"] .sa-card__header .sa-text-2xl {
  color: #000000 !important;
  font-weight: 700 !important;
  opacity: 1 !important;
  margin-bottom: var(--sa-space-1);
}

.sa-auth[data-component="login-form"] .sa-card__header p,
.sa-auth[data-component="login-form"] .sa-card__header .sa-text-sm {
  color: #000000 !important;
  font-weight: 500 !important;
  opacity: 1 !important;
  margin: 0;
}

.sa-auth[data-component="login-form"] .sa-card__body {
  padding: var(--sa-space-2) 0;
}

/* Form styling similar to conversational */
.sa-auth[data-component="login-form"] .sa-form-group {
  margin-bottom: var(--sa-space-3);
}

.sa-auth[data-component="login-form"] .sa-label {
  font-size: var(--sa-text-sm);
  font-weight: 600;
  color: #000000 !important;
  margin-bottom: var(--sa-space-1);
  display: block;
  opacity: 1 !important;
}

.sa-auth[data-component="login-form"] .sa-input {
  width: 100%;
  padding: var(--sa-space-4) var(--sa-space-4);
  font-size: var(--sa-text-base);
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  background: var(--sa-color-neutral-25);
  color: #000000 !important;
  transition: all var(--sa-transition-base);
}

.sa-auth[data-component="login-form"] .sa-input:focus {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.1);
  outline: none;
}

.sa-auth[data-component="login-form"] .sa-input::placeholder {
  color: #6b7280 !important;
}

/* Checkbox labels en NEGRO para login */
.sa-auth[data-component="login-form"] .sa-checkbox__label {
  color: #000000 !important;
  font-weight: 500;
  opacity: 1 !important;
}

/* Links en NEGRO para login */
.sa-auth[data-component="login-form"] a {
  color: #000000 !important;
  font-weight: 600;
  text-decoration: underline;
  opacity: 1 !important;
}

.sa-auth[data-component="login-form"] a:hover {
  color: #1d4ed8 !important;
  text-decoration: underline;
}

/* Checkbox and links row */
.sa-auth[data-component="login-form"] .sa-form-group--inline-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sa-space-2);
}

/* Submit button full width */
.sa-auth[data-component="login-form"] .sa-btn--full {
  width: 100%;
  padding: var(--sa-space-4) var(--sa-space-6);
  font-size: var(--sa-text-base);
  font-weight: var(--sa-font-semibold);
}

/* Title styling */
.sa-auth[data-component="login-form"] .sa-text-2xl {
  font-size: var(--sa-text-2xl);
  font-weight: var(--sa-font-bold);
  color: var(--sa-color-neutral-900);
}

/* Register link at bottom */
.sa-auth[data-component="login-form"] .sa-mt-6 {
  margin-top: var(--sa-space-8);
  padding-top: var(--sa-space-6);
  border-top: 1px solid var(--sa-color-neutral-200);
}

/* ==========================================================================
   FORGOT PASSWORD FORM - Same transparent style
   ========================================================================== */

.sa-auth[data-component="forgot-password-form"] {
  min-height: auto;
  padding: var(--sa-space-8) var(--sa-space-4);
}

.sa-auth[data-component="forgot-password-form"] .sa-container {
  max-width: 480px;
}

.sa-auth[data-component="forgot-password-form"] .sa-card {
  background: #ffffff !important;
  border: 1px solid var(--sa-color-neutral-200) !important;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1) !important;
  padding: var(--sa-space-6) !important;
}

.sa-auth[data-component="forgot-password-form"] .sa-card__header {
  border-bottom: none;
  padding-bottom: var(--sa-space-2);
}

.sa-auth[data-component="forgot-password-form"] .sa-card__body {
  padding: var(--sa-space-4) 0;
}

.sa-auth[data-component="forgot-password-form"] .sa-form-group {
  margin-bottom: var(--sa-space-5);
}

.sa-auth[data-component="forgot-password-form"] .sa-input {
  width: 100%;
  padding: var(--sa-space-4) var(--sa-space-4);
  font-size: var(--sa-text-base);
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  background: var(--sa-color-neutral-50);
  transition: all var(--sa-transition-base);
}

.sa-auth[data-component="forgot-password-form"] .sa-input:focus {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.1);
  outline: none;
}

.sa-auth[data-component="forgot-password-form"] .sa-btn--full {
  width: 100%;
  padding: var(--sa-space-4) var(--sa-space-6);
  font-size: var(--sa-text-base);
  font-weight: var(--sa-font-semibold);
}

/* Force visible text colors - override theme styles */
.sa-auth[data-component="forgot-password-form"] .sa-card__header h2 {
  color: #171717 !important;
}

.sa-auth[data-component="forgot-password-form"] .sa-card__header p {
  color: #525252 !important;
}

.sa-auth[data-component="forgot-password-form"] .sa-label {
  color: #171717 !important;
}

.sa-auth[data-component="forgot-password-form"] .sa-input {
  color: #171717 !important;
  background: #ffffff !important;
}

.sa-auth[data-component="forgot-password-form"] .sa-input::placeholder {
  color: #a3a3a3 !important;
}

.sa-auth[data-component="forgot-password-form"] .sa-card__body > .sa-text-center p {
  color: #171717 !important;
}

.sa-auth[data-component="forgot-password-form"] .sa-card__body > .sa-text-center a {
  color: #2563eb !important;
}

/* Ensure success/error messages are visible */
.sa-auth[data-component="forgot-password-form"] .sa-alert {
  color: #171717 !important;
  background: #f0fdf4 !important;
  border: 2px solid #22c55e !important;
}

.sa-auth[data-component="forgot-password-form"] .sa-alert--error {
  background: #fef2f2 !important;
  border-color: #ef4444 !important;
}

/* ==========================================================================
   RESET PASSWORD FORM - Same transparent style
   ========================================================================== */

.sa-auth[data-component="reset-password-form"] {
  min-height: auto;
  padding: var(--sa-space-8) var(--sa-space-4);
}

.sa-auth[data-component="reset-password-form"] .sa-container {
  max-width: 480px;
}

.sa-auth[data-component="reset-password-form"] .sa-card {
  background: #ffffff !important;
  border: 1px solid var(--sa-color-neutral-200) !important;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1) !important;
  padding: var(--sa-space-6) !important;
}

.sa-auth[data-component="reset-password-form"] .sa-card__header {
  border-bottom: none;
  padding-bottom: var(--sa-space-2);
}

.sa-auth[data-component="reset-password-form"] .sa-card__body {
  padding: var(--sa-space-4) 0;
}

.sa-auth[data-component="reset-password-form"] .sa-form-group {
  margin-bottom: var(--sa-space-5);
}

.sa-auth[data-component="reset-password-form"] .sa-input {
  width: 100%;
  padding: var(--sa-space-4) var(--sa-space-4);
  font-size: var(--sa-text-base);
  border: 2px solid var(--sa-color-neutral-300);
  border-radius: var(--sa-radius-lg);
  background: var(--sa-color-neutral-50);
  transition: all var(--sa-transition-base);
}

.sa-auth[data-component="reset-password-form"] .sa-input:focus {
  border-color: var(--sa-color-primary-500);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.1);
  outline: none;
}

.sa-auth[data-component="reset-password-form"] .sa-btn--full {
  width: 100%;
  padding: var(--sa-space-4) var(--sa-space-6);
  font-size: var(--sa-text-base);
  font-weight: var(--sa-font-semibold);
}

/* Force visible text colors - override theme styles */
.sa-auth[data-component="reset-password-form"] .sa-card__header h2 {
  color: #171717 !important;
}

.sa-auth[data-component="reset-password-form"] .sa-card__header p {
  color: #525252 !important;
}

.sa-auth[data-component="reset-password-form"] .sa-label {
  color: #171717 !important;
}

.sa-auth[data-component="reset-password-form"] .sa-input {
  color: #171717 !important;
  background: #ffffff !important;
}

.sa-auth[data-component="reset-password-form"] .sa-input::placeholder {
  color: #a3a3a3 !important;
}

.sa-auth[data-component="reset-password-form"] .sa-card__body > .sa-text-center p {
  color: #171717 !important;
}

.sa-auth[data-component="reset-password-form"] .sa-card__body > .sa-text-center a {
  color: #2563eb !important;
}

/* Ensure success/error messages are visible */
.sa-auth[data-component="reset-password-form"] .sa-alert {
  color: #171717 !important;
  background: #f0fdf4 !important;
  border: 2px solid #22c55e !important;
}

.sa-auth[data-component="reset-password-form"] .sa-alert--error {
  background: #fef2f2 !important;
  border-color: #ef4444 !important;
}

/* Password toggle button */
.sa-password-wrapper {
  position: relative;
  width: 100%;
}

.sa-password-wrapper .sa-input {
  padding-right: 3rem;
}

.sa-password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000000;
  transition: color 0.2s;
}

.sa-password-toggle:hover {
  color: #1d4ed8;
}

.sa-password-toggle:focus {
  outline: 2px solid #1d4ed8;
  outline-offset: 2px;
  border-radius: 4px;
}

.sa-eye-icon {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   RESPONSIVE - MOBILE OPTIMIZATIONS
   ========================================================================== */

/* Mobile-specific styles for login form */
@media (max-width: 768px) {
  /* Remove all top/bottom spacing on mobile */
  .sa-auth[data-component="login-form"] {
    padding: 0 !important;
    margin: 0 !important;
  }
  
  /* Compact card padding on mobile */
  .sa-auth[data-component="login-form"] .sa-card {
    padding: var(--sa-space-4) !important;
    margin: 0 !important;
    border-radius: var(--sa-radius-lg);
  }
  
  /* Tighter header spacing */
  .sa-auth[data-component="login-form"] .sa-card__header {
    padding-bottom: 0 !important;
    margin-bottom: var(--sa-space-1) !important;
  }
  
  /* Compact title */
  .sa-auth[data-component="login-form"] .sa-card__header h2,
  .sa-auth[data-component="login-form"] .sa-card__header .sa-text-2xl {
    font-size: var(--sa-text-xl) !important;
    margin-bottom: var(--sa-space-1) !important;
  }
  
  /* Compact subtitle */
  .sa-auth[data-component="login-form"] .sa-card__header p,
  .sa-auth[data-component="login-form"] .sa-card__header .sa-text-sm {
    font-size: var(--sa-text-xs) !important;
    margin: 0 !important;
  }
  
  /* Tighter body spacing */
  .sa-auth[data-component="login-form"] .sa-card__body {
    padding: var(--sa-space-1) 0 !important;
  }
  
  /* Compact form groups */
  .sa-auth[data-component="login-form"] .sa-form-group {
    margin-bottom: var(--sa-space-2) !important;
  }
  
  /* Compact labels */
  .sa-auth[data-component="login-form"] .sa-label {
    margin-bottom: var(--sa-space-1) !important;
    font-size: var(--sa-text-xs) !important;
  }
  
  /* Compact inputs */
  .sa-auth[data-component="login-form"] .sa-input {
    padding: var(--sa-space-3) var(--sa-space-3) !important;
    font-size: var(--sa-text-sm) !important;
  }
  
  /* Compact button */
  .sa-auth[data-component="login-form"] .sa-btn--full {
    padding: var(--sa-space-3) var(--sa-space-4) !important;
    font-size: var(--sa-text-sm) !important;
  }
}

/* ==========================================================================
   LOGIN FORM COMPACT VARIANT (v1.1.11)
   ========================================================================== */

/* Compact spacing for login form */
.sa-card--login .sa-card__header {
  padding: var(--sa-space-4) var(--sa-space-6) var(--sa-space-3);
}

.sa-card--login .sa-card__body {
  padding: var(--sa-space-5) var(--sa-space-6);
}

/* Enhanced visibility for bottom registration link */
.sa-card--login .sa-text-center p {
  font-size: var(--sa-text-lg) !important;
  color: var(--sa-color-neutral-900) !important;
  font-weight: var(--sa-font-medium) !important;
}

.sa-card--login .sa-text-center a {
  font-weight: var(--sa-font-semibold) !important;
}

/* ============================================
   CRITICAL FIX v1.1.15: Force Visible Text on Login Form
   ============================================
   Issue: Dark mode was inverting neutral-900 to white, making text invisible
   Solution: Hardcoded black colors with ultra-specific selectors
   Previous attempts: Failed because utility classes still used CSS variables
   ============================================ */

/* Force black text on registration prompt paragraph */
.sa-auth .sa-card--login .sa-text-center.sa-mt-6 p {
  color: #000000 !important;
  opacity: 1 !important;
  visibility: visible !important;
}

/* Force black for ALL text inside (including nested elements) */
.sa-auth .sa-card--login .sa-text-center.sa-mt-6 p,
.sa-auth .sa-card--login .sa-text-center.sa-mt-6 p * {
  color: #000000 !important;
}

/* Links should be black with underline */
.sa-auth .sa-card--login .sa-text-center.sa-mt-6 a {
  color: #000000 !important;
  text-decoration: underline !important;
  opacity: 1 !important;
}

/* Prevent dark mode from affecting this element */
@media (prefers-color-scheme: dark) {
  .sa-auth .sa-card--login .sa-mt-6 p,
  .sa-auth .sa-card--login .sa-mt-6 a {
    color: #000000 !important;
  }
}

/* Nuclear option: body selector for maximum specificity */
body .sa-auth .sa-card--login .sa-text-center p {
  color: #000000 !important;
}

/* ==========================================================================
   MASTERSTUDY LOGIN PAGE OVERRIDES
   Fix layout when our form renders inside MasterStudy's login wrapper.
   The theme sets .stm-lms-wrapper to display:flex via Redux inline CSS,
   which collapses the nested containers + padding to ~53px.
   ========================================================================== */
.stm-lms-wrapper__login {
  display: block !important;
}

.stm-lms-wrapper__login .col-md-6 {
  width: 100% !important;
  float: none !important;
}

.stm-lms-wrapper__login .stm_lms_login_wrapper {
  padding: 0 !important;
  background: transparent !important;
}

.stm-lms-wrapper__login .stm-lms-login__top {
  display: none !important;
}