/* ============================================================
   AssistThink Conecta ? Estilos corporativos
   ============================================================ */

:root {
  --at-navy: #0f2744;
  --at-navy-light: #1a365d;
  --at-blue: #2c5282;
  --at-blue-muted: #4a6fa5;
  --at-gold: #c9a227;
  --at-gold-soft: #e8d48b;
  --at-success: #2d6a4f;
  --at-success-bg: #edf7f2;
  --at-error: #9b2c2c;
  --at-error-bg: #fdf2f2;
  --at-bg: #f7f8fa;
  --at-bg-elevated: #ffffff;
  --at-border: #e2e8f0;
  --at-text: #1a202c;
  --at-text-muted: #64748b;
  --at-shadow: 0 4px 24px rgba(15, 39, 68, 0.08);
  --at-shadow-lg: 0 12px 40px rgba(15, 39, 68, 0.12);
  --at-radius: 16px;
  --at-radius-sm: 10px;
  --font-sans: 'din-round', 'DIN Next Rounded', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'feather', 'Feather Bold', 'din-round', sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --app-padding-x: max(1rem, var(--safe-left), var(--safe-right));
  --bottom-nav-height: calc(3.75rem + var(--safe-bottom));
  --touch-min: 44px;
  --app-max: 560px;
  --content-gap: clamp(0.75rem, 2.5vw, 1.25rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

img,
svg,
video,
canvas {
  max-width: 100%;
  height: auto;
}

button,
a,
input,
textarea,
select {
  max-width: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  min-height: -webkit-fill-available;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--at-text);
  background: var(--at-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(44, 82, 130, 0.06), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(201, 162, 39, 0.04), transparent);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-top: var(--safe-top);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: auto;
}

body.has-bottom-nav {
  padding-bottom: var(--bottom-nav-height);
}

/* ---- microaprendizaje typography (feather + din-round) ---- */

h1, h2, h3, h4, h5, h6,
.page-title,
.page-greeting,
.product-title,
.exercise-title,
.simulate-card-title,
.modal-title-custom,
.section-title,
.route-unit-title,
.achievement-title,
.training-card-title,
.home-brand-name,
.stat-value,
.xp-badge,
.btn-primary,
.btn-outline-primary,
.btn-success,
.btn-danger,
.nav-label,
.plan-chip {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ---- Screens ---- */

.screen {
  display: none;
  min-height: 100dvh;
  padding: 1.5rem 0 2.5rem;
  animation: fadeIn 0.4s ease;
}

.screen.active {
  display: flex;
  flex-direction: column;
}

.screen-with-nav.active {
  padding-bottom: 1rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Welcome ---- */

.welcome-container {
  max-width: 520px;
  margin: auto;
  padding: 0 1.25rem;
}

.welcome-header {
  margin-bottom: 2rem;
  padding-top: 1rem;
}

.brand-logo {
  margin-bottom: 1rem;
}

.brand-logo img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 6px 20px rgba(15, 39, 68, 0.18));
}

.brand-name {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--at-blue-muted);
}

.product-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 3.25rem);
  font-weight: 700;
  color: var(--at-navy);
  margin: 0.125rem 0 0.5rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.product-tagline {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--at-gold);
  letter-spacing: 0.02em;
  margin: 0;
}

.welcome-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--at-shadow);
}

.welcome-description {
  font-size: 1rem;
  color: var(--at-text-muted);
  margin-bottom: 1.5rem;
  text-align: center;
}

.welcome-hook {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--at-navy);
  text-align: center;
  margin-bottom: 0.75rem;
}

.welcome-hook strong {
  color: var(--at-gold);
  font-weight: 700;
}

.challenge-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, var(--at-navy) 0%, var(--at-blue) 100%);
  border-radius: var(--at-radius-sm);
  margin-bottom: 1.5rem;
  text-align: center;
}

.challenge-badge-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.challenge-badge-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
}

.meta-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.meta-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--at-text-muted);
}

.meta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--at-bg);
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--at-blue);
  flex-shrink: 0;
}

.welcome-footer {
  margin-top: 2rem;
  color: var(--at-text-muted);
  font-size: 0.8125rem;
}

/* ---- Buttons ---- */

.btn-primary {
  --bs-btn-bg: var(--at-navy);
  --bs-btn-border-color: var(--at-navy);
  --bs-btn-hover-bg: var(--at-navy-light);
  --bs-btn-hover-border-color: var(--at-navy-light);
  --bs-btn-active-bg: var(--at-blue);
  --bs-btn-active-border-color: var(--at-blue);
  --bs-btn-focus-shadow-rgb: 26, 54, 93;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.875rem 1.5rem;
  border-radius: var(--at-radius-sm);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15, 39, 68, 0.2);
}

.btn-outline-primary {
  --bs-btn-color: var(--at-navy);
  --bs-btn-border-color: var(--at-border);
  --bs-btn-hover-bg: var(--at-bg);
  --bs-btn-hover-border-color: var(--at-navy);
  --bs-btn-hover-color: var(--at-navy);
  --bs-btn-active-bg: var(--at-navy);
  --bs-btn-active-border-color: var(--at-navy);
  font-weight: 600;
  border-radius: var(--at-radius-sm);
  padding: 0.875rem 1.5rem;
}

/* ---- Exercise screen ---- */

.exercise-container {
  max-width: 640px;
  margin: auto;
  padding: 0 1.25rem;
  width: 100%;
}

.exercise-topbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: 1.5rem;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--at-navy);
}

.topbar-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 50%;
  flex-shrink: 0;
}

.topbar-xp {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: 999px;
  font-size: 0.875rem;
}

.xp-label {
  font-weight: 600;
  color: var(--at-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.xp-value {
  font-weight: 700;
  color: var(--at-navy);
  transition: var(--transition);
}

.xp-value.xp-pulse {
  animation: xpPulse 0.6s ease;
  color: var(--at-gold);
}

@keyframes xpPulse {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.25); }
  100% { transform: scale(1); }
}

/* Progress */

.progress-section {
  margin-bottom: 1.5rem;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--at-text-muted);
  margin-bottom: 0.5rem;
}

.progress-custom {
  height: 6px;
  background: var(--at-border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-custom .progress-bar {
  background: linear-gradient(90deg, var(--at-navy) 0%, var(--at-blue) 60%, var(--at-gold) 100%);
  border-radius: 999px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Exercise card */

.exercise-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1.75rem 1.5rem 2rem;
  box-shadow: var(--at-shadow);
}

.exercise-number {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--at-gold);
  margin-bottom: 0.5rem;
}

.exercise-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--at-navy);
  margin: 0 0 1rem;
  line-height: 1.3;
}

.exercise-scenario {
  font-size: 0.9375rem;
  color: var(--at-text-muted);
  padding: 0.875rem 1rem;
  background: var(--at-bg);
  border-left: 3px solid var(--at-blue-muted);
  border-radius: 0 var(--at-radius-sm) var(--at-radius-sm) 0;
  margin-bottom: 1rem;
}

.exercise-scenario:empty {
  display: none;
}

.exercise-question {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--at-text);
  margin-bottom: 1.25rem;
}

/* Options */

.options-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.option-btn {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  width: 100%;
  padding: 1rem 1.125rem;
  text-align: left;
  background: var(--at-bg);
  border: 2px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--at-text);
}

.option-btn:hover:not(:disabled) {
  border-color: var(--at-blue-muted);
  background: #fff;
}

.option-btn:focus-visible {
  outline: 2px solid var(--at-blue);
  outline-offset: 2px;
}

.option-btn:disabled {
  cursor: default;
}

.option-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--at-blue);
  background: #fff;
  border: 1px solid var(--at-border);
  border-radius: 8px;
  transition: var(--transition);
}

.option-text {
  flex: 1;
  padding-top: 2px;
}

.option-btn.selected-correct {
  border-color: var(--at-success);
  background: var(--at-success-bg);
}

.option-btn.selected-correct .option-letter {
  background: var(--at-success);
  border-color: var(--at-success);
  color: #fff;
}

.option-btn.selected-incorrect {
  border-color: var(--at-error);
  background: var(--at-error-bg);
}

.option-btn.selected-incorrect .option-letter {
  background: var(--at-error);
  border-color: var(--at-error);
  color: #fff;
}

.option-btn.reveal-correct {
  border-color: var(--at-success);
  background: var(--at-success-bg);
  opacity: 0.85;
}

.option-btn.reveal-correct .option-letter {
  background: var(--at-success);
  border-color: var(--at-success);
  color: #fff;
}

.option-btn.dimmed {
  opacity: 0.45;
}

/* Feedback */

.feedback-panel {
  margin-top: 1.25rem;
  padding: 1rem 1.125rem;
  border-radius: var(--at-radius-sm);
  animation: slideUp 0.35s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.feedback-panel.correct {
  background: var(--at-success-bg);
  border: 1px solid rgba(45, 106, 79, 0.2);
}

.feedback-panel.incorrect {
  background: var(--at-error-bg);
  border: 1px solid rgba(155, 44, 44, 0.15);
}

.feedback-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.375rem;
}

.feedback-icon {
  font-size: 1rem;
  line-height: 1;
}

.feedback-status {
  font-weight: 700;
  font-size: 0.9375rem;
}

.feedback-panel.correct .feedback-status { color: var(--at-success); }
.feedback-panel.incorrect .feedback-status { color: var(--at-error); }

.feedback-xp {
  margin-left: auto;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--at-gold);
  animation: xpFloat 0.8s ease;
}

@keyframes xpFloat {
  0%   { opacity: 0; transform: translateY(6px); }
  100% { opacity: 1; transform: translateY(0); }
}

.feedback-message {
  font-size: 0.9375rem;
  color: var(--at-text-muted);
  margin: 0;
  line-height: 1.55;
}

/* ---- Results ---- */

.results-container {
  max-width: 560px;
  margin: auto;
  padding: 0 1.25rem;
  width: 100%;
}

.results-header {
  margin-bottom: 2rem;
}

.results-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--at-navy) 0%, var(--at-blue) 100%);
  color: #fff;
  font-size: 1.5rem;
  border-radius: 50%;
  margin-bottom: 1rem;
  box-shadow: var(--at-shadow);
}

.results-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 400;
  color: var(--at-navy);
  margin: 0 0 0.375rem;
}

.results-subtitle {
  font-size: 0.9375rem;
  color: var(--at-text-muted);
  margin: 0;
}

.results-xp-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.25rem;
  box-shadow: var(--at-shadow);
}

.results-xp-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-text-muted);
  margin-bottom: 0.5rem;
}

.results-xp-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--at-navy);
  line-height: 1;
  margin-bottom: 1rem;
}

.results-xp-separator,
.results-xp-unit {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--at-text-muted);
}

.results-xp-bar {
  height: 8px;
  background: var(--at-border);
  border-radius: 999px;
  overflow: hidden;
}

.results-xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--at-navy), var(--at-gold));
  border-radius: 999px;
  width: 0%;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.metrics-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--at-shadow);
}

.metrics-title {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-text-muted);
  margin: 0 0 1.25rem;
}

.metrics-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9375rem;
}

.metric-name {
  font-weight: 500;
  color: var(--at-text);
}

.metric-value {
  font-weight: 700;
  color: var(--at-navy);
  font-variant-numeric: tabular-nums;
}

.metric-bar {
  height: 5px;
  background: var(--at-border);
  border-radius: 999px;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--at-blue), var(--at-blue-muted));
  border-radius: 999px;
  width: 0%;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.conclusion-card {
  background: linear-gradient(135deg, var(--at-navy) 0%, var(--at-blue) 100%);
  border-radius: var(--at-radius);
  padding: 1.5rem;
  margin-bottom: 1.75rem;
}

.conclusion-text {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.92);
  margin: 0;
  line-height: 1.6;
  text-align: center;
}

.results-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Modal */

.modal-custom {
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  box-shadow: var(--at-shadow-lg);
}

.modal-custom .modal-body {
  padding: 2rem 1.75rem;
}

.modal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--at-bg);
  border-radius: 12px;
  font-size: 1.25rem;
  color: var(--at-navy);
  margin-bottom: 1rem;
}

.modal-title-custom {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--at-navy);
  margin-bottom: 0.375rem;
}

.modal-text {
  color: var(--at-text-muted);
  margin-bottom: 1.5rem;
}

/* ---- Responsive ---- */

@media (min-width: 576px) {
  .meta-list {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.25rem;
  }

  .results-actions {
    flex-direction: row;
  }

  .results-actions .btn {
    flex: 1;
  }

  .exercise-card {
    padding: 2rem 2rem 2.25rem;
  }
}

@media (max-width: 575.98px) {
  .option-btn {
    padding: 0.9375rem 1rem;
  }

  .screen {
    padding: 1rem 0 2rem;
  }
}

/* ============================================================
   App layout ? Home, Ruta, Navegaci?n, Kai
   ============================================================ */

.app-container {
  max-width: 560px;
  padding: 0 1.25rem;
  width: 100%;
  margin: 0 auto;
}

/* ---- Home ---- */

.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-top: 0.5rem;
}

.home-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.home-logo {
  border-radius: 50%;
  object-fit: contain;
}

.home-brand-name {
  display: block;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--at-navy);
  line-height: 1.2;
}

.home-brand-by {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-text-muted);
}

.home-stats-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.375rem;
  max-width: 100%;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--at-navy);
}

.stat-streak .stat-icon {
  font-size: 0.875rem;
}

.stat-xp .stat-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--at-text-muted);
  letter-spacing: 0.05em;
}

.level-card {
  background: linear-gradient(135deg, var(--at-navy) 0%, var(--at-blue) 100%);
  border-radius: var(--at-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  color: #fff;
  box-shadow: var(--at-shadow);
}

.level-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.level-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}

.level-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  margin: 0.125rem 0 0;
  line-height: 1.1;
}

.level-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--at-gold-soft);
}

.level-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  opacity: 0.85;
  margin-bottom: 0.375rem;
}

.level-card .progress-custom {
  background: rgba(255, 255, 255, 0.2);
}

.level-card .progress-bar {
  background: linear-gradient(90deg, var(--at-gold-soft), var(--at-gold));
}

.daily-goal-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.daily-goal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.card-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-text-muted);
}

.daily-goal-text {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--at-navy);
}

.progress-thin {
  height: 5px;
}

.section-block {
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-text-muted);
  margin: 0 0 0.75rem;
}

.section-title-sm {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--at-text-muted);
  margin: 0 0 0.75rem;
}

.training-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  padding: 1.25rem;
  text-align: left;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: var(--at-shadow);
}

.training-card:hover:not(:disabled) {
  border-color: var(--at-blue-muted);
  transform: translateY(-2px);
  box-shadow: var(--at-shadow-lg);
}

.training-card:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.training-card-featured {
  border-left: 3px solid var(--at-gold);
}

.training-card-challenge {
  background: linear-gradient(135deg, rgba(15, 39, 68, 0.03) 0%, rgba(201, 162, 39, 0.06) 100%);
}

.training-card-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-gold);
  margin-bottom: 0.375rem;
}

.training-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--at-navy);
  margin-bottom: 0.25rem;
}

.training-card-meta {
  font-size: 0.8125rem;
  color: var(--at-text-muted);
  margin-bottom: 0.75rem;
}

.training-card-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--at-blue);
}

.challenge-row {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  width: 100%;
}

.challenge-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.kai-home-card {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  margin-top: 0.5rem;
}

.kai-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 52px;
  height: 52px;
  background: linear-gradient(145deg, #0f2744 0%, #1a365d 100%);
  border-radius: 14px;
  flex-shrink: 0;
  overflow: hidden;
  transform-origin: center bottom;
  will-change: transform;
}

.kai-lottie-layer {
  position: absolute;
  inset: -8px;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

.kai-lottie-layer svg {
  width: 100% !important;
  height: 100% !important;
}

.kai-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.kai-avatar-sm {
  width: 40px;
  height: 40px;
  border-radius: 11px;
}

.kai-avatar-sm .kai-lottie-layer {
  inset: -6px;
}

.kai-name {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-gold);
  margin-bottom: 0.125rem;
}

.kai-home-message {
  font-size: 0.9375rem;
  color: var(--at-text-muted);
  margin: 0;
  line-height: 1.5;
}

#kai-lesson-coach {
  margin-bottom: 1rem;
}

/* ---- Page headers ---- */

.page-header {
  margin-bottom: 1.5rem;
  padding-top: 0.5rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--at-navy);
  margin: 0 0 0.25rem;
}

.page-subtitle {
  font-size: 0.9375rem;
  color: var(--at-text-muted);
  margin: 0;
}

/* ---- Route ---- */

.plans-strip {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.plans-strip::-webkit-scrollbar {
  display: none;
}

.plan-chip {
  flex-shrink: 0;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: 1px solid var(--at-border);
  border-radius: 999px;
  background: var(--at-bg-elevated);
  color: var(--at-text-muted);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.plan-chip.active {
  background: var(--at-navy);
  border-color: var(--at-navy);
  color: #fff;
}

.plan-chip.plan-pro.active { background: #5a4a1a; border-color: #5a4a1a; }
.plan-chip.plan-ai.active { background: #1e3a5f; border-color: #2c5282; }
.plan-chip.plan-teams.active { background: #2d3748; border-color: #2d3748; }

.route-path {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.route-stage {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1.25rem;
  box-shadow: var(--at-shadow);
}

.route-stage.stage-locked {
  opacity: 0.65;
}

.route-stage-header {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  margin-bottom: 1rem;
}

.route-stage-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--at-navy);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 8px;
  flex-shrink: 0;
}

.route-stage-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--at-navy);
  margin: 0 0 0.125rem;
}

.route-stage-desc {
  font-size: 0.8125rem;
  color: var(--at-text-muted);
  margin: 0;
}

.route-lessons {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.route-connector {
  width: 2px;
  height: 24px;
  background: var(--at-border);
  margin: 0 auto;
}

.route-node {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  width: 100%;
  padding: 0.875rem 1rem;
  text-align: left;
  background: var(--at-bg);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.route-node:hover:not(:disabled) {
  border-color: var(--at-blue-muted);
}

.route-node:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.route-node-current {
  border-color: var(--at-gold);
  background: rgba(201, 162, 39, 0.06);
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.2);
}

.route-node-completed {
  border-color: var(--at-success);
  background: var(--at-success-bg);
}

.route-node-challenge {
  border-style: dashed;
}

.route-node-pro,
.route-node-ai {
  opacity: 0.75;
}

.route-node-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #fff;
  border: 1px solid var(--at-border);
  border-radius: 8px;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.route-node-current .route-node-icon {
  background: var(--at-gold);
  border-color: var(--at-gold);
  color: #fff;
}

.route-node-completed .route-node-icon {
  background: var(--at-success);
  border-color: var(--at-success);
  color: #fff;
}

.route-node-body {
  flex: 1;
  min-width: 0;
}

.route-node-type {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-text-muted);
}

.route-node-title {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--at-navy);
}

.route-node-meta {
  display: block;
  font-size: 0.75rem;
  color: var(--at-text-muted);
}

.route-node-status {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--at-text-muted);
  flex-shrink: 0;
}

.route-node-link {
  text-decoration: none;
  color: inherit;
  display: flex;
}

.route-node-link:hover {
  color: inherit;
}
.route-node-completed .route-node-status { color: var(--at-success); }
.route-node-pro .route-node-status { color: #8b6914; }
.route-node-ai .route-node-status { color: var(--at-blue); }

/* ---- Tier badges ---- */

.tier-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  border-radius: 4px;
  flex-shrink: 0;
}

.tier-free { background: var(--at-bg); color: var(--at-text-muted); border: 1px solid var(--at-border); }
.tier-pro { background: #fef9e7; color: #8b6914; border: 1px solid #e8d48b; }
.tier-ai { background: #ebf4ff; color: var(--at-blue); border: 1px solid #bee3f8; }
.tier-teams { background: #edf2f7; color: #2d3748; border: 1px solid #cbd5e0; }

/* ---- Placeholders ---- */

.placeholder-card {
  background: var(--at-bg-elevated);
  border: 1px dashed var(--at-border);
  border-radius: var(--at-radius);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1rem;
}

.placeholder-card h4 {
  font-size: 1rem;
  color: var(--at-navy);
  margin: 0.75rem 0 0.375rem;
}

.placeholder-card p {
  font-size: 0.875rem;
  color: var(--at-text-muted);
  margin: 0 0 1rem;
}

.placeholder-ai {
  border-color: var(--at-blue-muted);
  background: linear-gradient(135deg, rgba(44, 82, 130, 0.04) 0%, rgba(201, 162, 39, 0.03) 100%);
}

.simulate-icon {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ---- Icon badges (Simular + Logros) ---- */

.at-icon-badge {
  --icon-size: 3rem;
  --icon-svg: 1.5rem;
  position: relative;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: var(--icon-size);
  height: var(--icon-size);
  min-width: var(--icon-size);
  min-height: var(--icon-size);
  border-radius: 50%;
  border: none;
  color: #fff;
  line-height: 0;
  box-shadow:
    0 4px 16px rgba(15, 39, 68, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.at-icon-badge svg {
  width: var(--icon-svg);
  height: var(--icon-svg);
  min-width: var(--icon-svg);
  min-height: var(--icon-svg);
  display: block;
  margin: 0;
  overflow: visible;
  flex-shrink: 0;
}

.at-icon-badge--ring::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  padding: 2px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.05));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.at-icon-badge svg {
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.12));
}

.at-icon-badge--simulate {
  --icon-size: 3.25rem;
  --icon-svg: 1.5rem;
  margin-bottom: 0;
}

.at-icon-badge--achievement {
  --icon-size: 3.125rem;
  --icon-svg: 1.4375rem;
  margin: 0 auto 0.625rem;
}

.tone-navy {
  background: linear-gradient(145deg, #2c5282 0%, #0f2744 100%);
}

.tone-blue {
  background: linear-gradient(145deg, #4a6fa5 0%, #2c5282 100%);
}

.tone-gold {
  background: linear-gradient(145deg, #e8d48b 0%, #c9a227 55%, #9a7b1a 100%);
  color: #0f2744;
}

.tone-teal {
  background: linear-gradient(145deg, #3d8b78 0%, #2d6a4f 100%);
}

.tone-violet {
  background: linear-gradient(145deg, #6b7db3 0%, #4a5568 100%);
}

.tone-emerald {
  background: linear-gradient(145deg, #4ade80 0%, #2d6a4f 100%);
  color: #0f2744;
}

.tone-flame {
  background: linear-gradient(145deg, #f59e0b 0%, #dc2626 100%);
}

.at-icon-badge--earned.tone-gold,
.at-icon-badge--earned.tone-flame,
.at-icon-badge--earned.tone-emerald,
.at-icon-badge--earned.tone-navy,
.at-icon-badge--earned.tone-blue,
.at-icon-badge--earned.tone-teal,
.at-icon-badge--earned.tone-violet {
  box-shadow:
    0 6px 22px rgba(201, 162, 39, 0.35),
    0 0 0 3px rgba(201, 162, 39, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.at-icon-badge--locked {
  background: linear-gradient(145deg, #e2e8f0 0%, #cbd5e1 100%) !important;
  color: #94a3b8 !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6) !important;
}

.at-icon-badge--locked::before {
  opacity: 0.35;
}

.at-icon-badge--locked svg {
  filter: none;
  opacity: 0.85;
}

.simulate-card {
  position: relative;
}

.simulate-card .at-icon-badge--simulate {
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.simulate-card:hover .at-icon-badge--simulate {
  transform: translateY(-3px) scale(1.04);
  box-shadow:
    0 10px 24px rgba(15, 39, 68, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.simulate-card-icon {
  margin-bottom: 0;
}

.simulate-card-head {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.625rem;
}

.simulate-card-head .tier-badge {
  flex-shrink: 0;
}

.simulate-icon .at-icon-badge,
.at-icon-badge--modal {
  --icon-size: 3.75rem;
  --icon-svg: 1.75rem;
}

.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--at-text-muted);
}

.empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--at-success-bg);
  color: var(--at-success);
  border-radius: 50%;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.exercise-types-preview {
  margin-top: 1.5rem;
}

.type-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.type-tags li {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--at-text-muted);
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: 999px;
}

/* ---- Progress screen ---- */

.progress-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.progress-stat {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 1rem 0.75rem;
  text-align: center;
}

.progress-stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--at-navy);
  line-height: 1;
}

.progress-stat-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--at-text-muted);
  margin-top: 0.375rem;
}

.levels-list-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1.5rem;
  margin-top: 1.25rem;
  box-shadow: var(--at-shadow);
}

.levels-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.level-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  opacity: 0.45;
}

.level-item.reached { opacity: 1; }
.level-item.current .level-item-name { color: var(--at-gold); font-weight: 700; }

.level-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--at-border);
  flex-shrink: 0;
}

.level-item.reached .level-item-dot { background: var(--at-navy); }
.level-item.current .level-item-dot { background: var(--at-gold); box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.25); }

.level-item-name {
  flex: 1;
  font-size: 0.9375rem;
  color: var(--at-navy);
}

.level-item-xp {
  font-size: 0.75rem;
  color: var(--at-text-muted);
  font-variant-numeric: tabular-nums;
}

/* ---- Exercise updates ---- */

.btn-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 0;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: 10px;
  font-size: 1.125rem;
  color: var(--at-navy);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  flex-shrink: 0;
  text-decoration: none;
}

.btn-back:hover {
  border-color: var(--at-navy);
}

.exercise-lesson-name {
  display: block;
  font-size: clamp(0.6875rem, 2.8vw, 0.8125rem);
  font-weight: 600;
  color: var(--at-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-lesson {
  flex: 1;
  min-width: 0;
  text-align: center;
  padding: 0 0.25rem;
}

.topbar-hearts {
  display: flex;
  gap: 0.125rem;
  align-items: center;
  flex-shrink: 0;
}

.topbar-xp {
  flex-shrink: 0;
}

/* ---- Kai feedback ---- */

.kai-feedback {
  margin-top: 1.25rem;
  padding: 1rem 1.125rem;
  border-radius: var(--at-radius-sm);
  animation: slideUp 0.35s ease;
}

.kai-feedback.correct {
  background: var(--at-success-bg);
  border: 1px solid rgba(45, 106, 79, 0.2);
}

.kai-feedback.incorrect {
  background: var(--at-error-bg);
  border: 1px solid rgba(155, 44, 44, 0.15);
}

.kai-feedback-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.5rem;
}

.kai-feedback-header .feedback-status {
  font-weight: 700;
  font-size: 0.875rem;
}

.kai-feedback.correct .feedback-status { color: var(--at-success); }
.kai-feedback.incorrect .feedback-status { color: var(--at-error); }

.kai-feedback-message {
  font-size: 0.9375rem;
  color: var(--at-text-muted);
  margin: 0;
  line-height: 1.55;
  padding-left: calc(36px + 0.625rem);
}

/* ---- Results updates ---- */

.unlock-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid rgba(201, 162, 39, 0.35);
  border-radius: var(--at-radius-sm);
  margin-bottom: 1rem;
}

.unlock-icon {
  font-size: 1.25rem;
}

.unlock-banner strong {
  display: block;
  color: var(--at-navy);
  margin-bottom: 0.125rem;
}

.unlock-text {
  font-size: 0.875rem;
  color: var(--at-text-muted);
  margin: 0;
}

.kai-results-card {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1.25rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  margin-bottom: 1rem;
  box-shadow: var(--at-shadow);
}

.kai-results-message {
  font-size: 0.9375rem;
  color: var(--at-text);
  margin: 0;
  line-height: 1.55;
}

.results-bonus-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.bonus-chip {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--at-gold);
  background: rgba(201, 162, 39, 0.12);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}

/* ---- Bottom navigation ---- */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  background: var(--at-bg-elevated);
  border-top: 1px solid var(--at-border);
  padding: 0.375rem max(var(--safe-left), var(--safe-right)) calc(0.375rem + var(--safe-bottom));
  z-index: 1000;
  box-shadow: 0 -4px 20px rgba(15, 39, 68, 0.06);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.125rem;
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.125rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--at-text-muted);
  transition: var(--transition);
  font-family: inherit;
  min-height: var(--touch-min);
  text-decoration: none;
}

.nav-item:hover {
  color: var(--at-navy);
}

.nav-item.active {
  color: var(--at-navy);
}

.nav-item.active .nav-icon {
  color: var(--at-gold);
}

.nav-icon {
  font-size: 1.125rem;
  line-height: 1;
}

.nav-label {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.nav-link-app {
  text-decoration: none;
  color: inherit;
}

/* ---- Auth pages ---- */

.auth-page .screen,
.auth-screen {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 0 2rem;
}

.auth-card {
  text-align: left;
}

.auth-form .form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--at-navy);
}

.auth-form .form-control {
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 0.75rem 0.875rem;
  font-size: 16px;
  min-height: var(--touch-min);
}

.auth-form .form-control:focus {
  border-color: var(--at-blue);
  box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.12);
}

.auth-switch {
  margin: 1.25rem 0 0;
  font-size: 0.875rem;
  color: var(--at-text-muted);
}

.auth-switch a {
  color: var(--at-navy);
  font-weight: 600;
  text-decoration: none;
}

.auth-switch a:hover {
  text-decoration: underline;
}

.alert-auth {
  border-radius: var(--at-radius-sm);
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.alert-error {
  background: var(--at-error-bg);
  border: 1px solid rgba(155, 44, 44, 0.2);
  color: var(--at-error);
}

.alert-success {
  background: var(--at-success-bg);
  border: 1px solid rgba(45, 106, 79, 0.2);
  color: var(--at-success);
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--at-text-muted);
  text-decoration: none;
  padding: 0.375rem 0.625rem;
  border: 1px solid var(--at-border);
  border-radius: 999px;
  background: var(--at-bg-elevated);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-logout:hover {
  color: var(--at-navy);
  border-color: var(--at-navy);
}

.training-card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
}

.training-card.is-disabled {
  opacity: 0.6;
  pointer-events: none;
}

.kai-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.kai-img-changing {
  opacity: 0.4;
  transform: scale(0.95);
}

.kai-home-message.kai-msg-update {
  animation: kaiMsgIn 0.4s ease;
}

/* ---- Kai animations (estilo micro-interacci?n, no infantil) ---- */

@keyframes kaiIdle {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}

@keyframes kaiCelebrate {
  0%   { transform: scale(1); box-shadow: 0 0 0 rgba(201, 162, 39, 0); }
  35%  { transform: scale(1.07); box-shadow: 0 0 20px rgba(201, 162, 39, 0.35); }
  70%  { transform: scale(0.98); }
  100% { transform: scale(1); box-shadow: 0 0 0 rgba(201, 162, 39, 0); }
}

@keyframes kaiNudge {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-2px); }
  40%      { transform: translateX(2px); }
  60%      { transform: translateX(-1px); }
  80%      { transform: translateX(1px); }
}

@keyframes kaiRise {
  0%   { transform: translateY(0) scale(1); }
  40%  { transform: translateY(-6px) scale(1.08); box-shadow: 0 8px 24px rgba(201, 162, 39, 0.25); }
  100% { transform: translateY(0) scale(1); box-shadow: none; }
}

@keyframes kaiPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.04); opacity: 0.92; }
}

@keyframes kaiFocus {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}

@keyframes kaiMsgIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.kai-idle {
  animation: kaiIdle 3.5s ease-in-out infinite;
}

.kai-anim-celebrate { animation: kaiCelebrate 0.55s cubic-bezier(0.34, 1.4, 0.64, 1); }
.kai-anim-nudge     { animation: kaiNudge 0.45s ease; }
.kai-anim-rise      { animation: kaiRise 0.65s cubic-bezier(0.34, 1.3, 0.64, 1); }
.kai-anim-pulse     { animation: kaiPulse 1.2s ease 2; }
.kai-anim-focus     { animation: kaiFocus 0.8s ease 2; }

.kai-state-correct .kai-avatar,
.kai-state-happy .kai-avatar {
  box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.25);
}

.kai-feedback.correct .kai-avatar {
  box-shadow: 0 0 0 2px rgba(45, 106, 79, 0.25);
}

@media (prefers-reduced-motion: reduce) {
  .kai-idle,
  .kai-anim-celebrate,
  .kai-anim-nudge,
  .kai-anim-rise,
  .kai-anim-pulse,
  .kai-anim-focus {
    animation: none !important;
  }
  .kai-img { transition: none; }
}

.level-current-text {
  margin: 0;
  color: var(--at-text-muted);
}

.level-current-text strong {
  color: var(--at-navy);
}

/* ---- Efectos Conecta-style (premium) ---- */

.page-enter .app-container,
.page-enter .exercise-container,
.page-enter .results-container {
  animation: pageEnter 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageEnter {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-enter {
  animation: cardEnter 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes cardEnter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.option-btn-pressed {
  transform: scale(0.98);
}

.option-shake {
  animation: optionShake 0.45s ease;
}

@keyframes optionShake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-4px); }
  40%      { transform: translateX(4px); }
  60%      { transform: translateX(-2px); }
  80%      { transform: translateX(2px); }
}

.xp-float-pop {
  position: fixed;
  z-index: 9999;
  transform: translate(-50%, 0);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--at-gold);
  text-shadow: 0 1px 2px rgba(0,0,0,0.12);
  pointer-events: none;
  animation: xpFloat 0.9s ease forwards;
}

@keyframes xpFloat {
  0%   { opacity: 0; transform: translate(-50%, 0) scale(0.8); }
  20%  { opacity: 1; transform: translate(-50%, -8px) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -36px) scale(1.05); }
}

.feedback-pop-in {
  animation: feedbackPop 0.5s cubic-bezier(0.34, 1.2, 0.64, 1);
}

@keyframes feedbackPop {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.results-badge-pop {
  animation: badgePop 0.6s cubic-bezier(0.34, 1.4, 0.64, 1);
}

@keyframes badgePop {
  0%   { transform: scale(0.5); opacity: 0; }
  60%  { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}

.unlock-banner-pop {
  animation: slideUp 0.5s ease 0.2s both;
}

.confetti-piece {
  position: fixed;
  top: -8px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  z-index: 9998;
  pointer-events: none;
  animation: confettiFall 1.6s ease-in forwards;
}

@keyframes confettiFall {
  to {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

.streak-pulse {
  animation: streakPulse 2s ease-in-out infinite;
}

@keyframes streakPulse {
  0%, 100% { box-shadow: 0 0 0 rgba(201, 162, 39, 0); }
  50%      { box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.25); }
}

.route-node-glow {
  animation: routeGlow 2.5s ease-in-out infinite;
}

@keyframes routeGlow {
  0%, 100% { box-shadow: 0 0 0 rgba(201, 162, 39, 0.2); }
  50%      { box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.35); }
}

/* ---- Kai notifications ---- */

.kai-notif-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: var(--at-bg-elevated);
  border-bottom: 1px solid var(--at-border);
  box-shadow: 0 8px 24px rgba(15, 39, 68, 0.12);
  transform: translateY(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: calc(0.75rem + var(--safe-top)) var(--app-padding-x) 0.875rem;
}

.kai-notif-banner.is-visible {
  transform: translateY(0);
}

.kai-notif-inner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
}

.kai-notif-avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: contain;
  background: linear-gradient(145deg, #0f2744, #1a365d);
  flex-shrink: 0;
}

.kai-notif-copy {
  flex: 1;
  min-width: 0;
}

.kai-notif-title {
  display: block;
  font-size: 0.875rem;
  color: var(--at-navy);
  margin-bottom: 0.125rem;
}

.kai-notif-body {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--at-text-muted);
  line-height: 1.4;
}

.kai-notif-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--at-text-muted);
  cursor: pointer;
  padding: 0;
}

.kai-notif-cta {
  display: block;
  text-align: center;
  margin: 0.625rem auto 0;
  max-width: 480px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--at-gold);
  text-decoration: none;
}

.kai-notif-cta:hover {
  color: var(--at-navy);
}

/* ---- Practicar ---- */

.practice-list {
  margin-top: 1.5rem;
}

.practice-item {
  display: block;
  padding: 0.875rem 1rem;
  margin-bottom: 0.625rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.practice-item:hover {
  border-color: var(--at-blue-muted);
  color: inherit;
}

.practice-item-tag {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-text-muted);
}

.practice-item-title {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--at-navy);
  margin: 0.125rem 0;
}

.practice-item-meta {
  font-size: 0.75rem;
  color: var(--at-gold);
}

/* ---- Simular grid ---- */

.simulate-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.simulate-card {
  display: block;
  width: 100%;
  padding: 1rem 1.125rem;
  text-align: left;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.simulate-card:hover {
  border-color: var(--at-blue-muted);
}

.simulate-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--at-navy);
  margin: 0.375rem 0 0.25rem;
}

.simulate-card-desc {
  font-size: 0.8125rem;
  color: var(--at-text-muted);
  margin: 0;
  line-height: 1.45;
}

/* ---- Progreso insights ---- */

.insight-card {
  margin-bottom: 1rem;
}

.insight-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9375rem;
  color: var(--at-navy);
}

.insight-list li + li {
  margin-top: 0.375rem;
}

.insight-strength {
  border-left: 3px solid var(--at-success);
}

.insight-weak {
  border-left: 3px solid var(--at-gold);
}

@media (prefers-reduced-motion: reduce) {
  .page-enter .app-container,
  .page-enter .exercise-container,
  .page-enter .results-container,
  .card-enter,
  .streak-pulse,
  .route-node-glow,
  .xp-float-pop,
  .confetti-piece {
    animation: none !important;
  }
}

/* ---- microaprendizaje features v2 ---- */

.heart-icon {
  font-size: 0.875rem;
  line-height: 1;
}

.heart-full { color: #c0392b; }
.heart-empty { color: var(--at-border); opacity: 0.5; }

.exercise-variant-complete .exercise-question-blank {
  font-style: italic;
  border-left: 3px solid var(--at-gold);
  padding-left: 0.75rem;
}

.exercise-variant-detect .exercise-scenario-error {
  background: var(--at-error-bg);
  border-left: 3px solid var(--at-error);
}

.exercise-variant-ordering .option-letter {
  background: var(--at-navy);
  color: #fff;
  border-color: var(--at-navy);
}

.missions-card,
.league-card,
.settings-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.missions-header,
.league-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.missions-count {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--at-gold);
}

.missions-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mission-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--at-border);
}

.mission-item:last-child { border-bottom: none; }
.mission-done .mission-label { text-decoration: line-through; opacity: 0.65; }
.mission-check { color: var(--at-gold); width: 1rem; }
.mission-progress { margin-left: auto; font-size: 0.75rem; color: var(--at-text-muted); }

.league-tier {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
}

.league-tier.tier-bronce { background: #cd7f32; color: #fff; }
.league-tier.tier-plata { background: #8a9ba8; color: #fff; }
.league-tier.tier-oro { background: var(--at-gold); color: var(--at-navy); }
.league-tier.tier-diamante { background: linear-gradient(135deg, #5bc0de, #1a365d); color: #fff; }

.league-rank { font-size: 0.8125rem; color: var(--at-text-muted); }
.league-meta { font-size: 0.8125rem; color: var(--at-text-muted); }

.freeze-note {
  font-size: 0.8125rem;
  color: var(--at-navy);
  background: rgba(201, 162, 39, 0.1);
  border-radius: var(--at-radius-sm);
  padding: 0.625rem 0.875rem;
  margin-bottom: 1rem;
}

.celebrate-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(15, 39, 68, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.celebrate-modal {
  background: #fff;
  border-radius: var(--at-radius);
  padding: 2rem 1.5rem;
  text-align: center;
  max-width: 340px;
  animation: badgePop 0.5s ease;
}

.celebrate-icon { font-size: 3rem; margin-bottom: 0.5rem; }
.celebrate-bonus { color: var(--at-gold); font-weight: 600; }

.achievements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.achievement-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 1rem;
  text-align: center;
}

.achievement-card.locked {
  opacity: 0.88;
}

.achievement-card.earned {
  border-color: rgba(201, 162, 39, 0.4);
  box-shadow: 0 6px 20px rgba(201, 162, 39, 0.12);
}
.achievement-title { font-size: 0.875rem; font-weight: 600; color: var(--at-navy); margin: 0 0 0.25rem; }
.achievement-desc { font-size: 0.6875rem; color: var(--at-text-muted); margin: 0 0 0.375rem; line-height: 1.35; }
.achievement-date, .achievement-locked-label { font-size: 0.625rem; color: var(--at-gold); font-weight: 600; }

.settings-title { font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--at-text-muted); margin-bottom: 0.75rem; }
.settings-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 0.5rem; font-size: 0.9375rem; }
.settings-time { max-width: 120px; }
.settings-hint { font-size: 0.8125rem; color: var(--at-text-muted); margin: 0; }
.settings-link { display: block; font-weight: 600; color: var(--at-navy); text-decoration: none; }

/* ============================================================
   Ruta ? camino zigzag estilo Conecta (premium)
   ============================================================ */

.route-screen .route-app {
  padding-bottom: 1rem;
}

.route-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.route-page-header .page-subtitle {
  margin-bottom: 0;
}

.route-plans-btn {
  flex-shrink: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.375rem 0.625rem;
  border-radius: 999px;
}

.route-trail {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.route-unit {
  position: relative;
}

.route-unit-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: var(--at-radius-sm);
  margin-bottom: 0.5rem;
  color: #fff;
  box-shadow: var(--at-shadow);
}

.route-unit-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  font-weight: 800;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.route-unit-copy {
  flex: 1;
  min-width: 0;
}

.route-unit-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.25;
}

.route-unit-desc {
  margin: 0.125rem 0 0;
  font-size: 0.75rem;
  opacity: 0.9;
  line-height: 1.35;
}

.route-unit-banner .tier-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.unit-comunica .route-unit-banner { background: linear-gradient(135deg, #0f2744, #1a365d); }
.unit-presenta .route-unit-banner { background: linear-gradient(135deg, #1a365d, #2c5282); }
.unit-negocia .route-unit-banner { background: linear-gradient(135deg, #6b5420, #c9a227); }
.unit-influye .route-unit-banner { background: linear-gradient(135deg, #2c5282, #4a6fa5); }
.unit-lidera .route-unit-banner { background: linear-gradient(135deg, #1e4d3a, #2d6a4f); }
.unit-dirige .route-unit-banner { background: linear-gradient(135deg, #0f2744, #2c5282); }
.unit-default .route-unit-banner { background: var(--at-navy); }

.route-unit-locked {
  opacity: 0.85;
}

.route-zigzag {
  position: relative;
  padding: 0.25rem 0 0.5rem;
}

.route-zigzag::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 4px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--at-border) 0%, var(--at-blue-muted) 50%, var(--at-border) 100%);
  border-radius: 4px;
  opacity: 0.45;
  z-index: 0;
}

.route-step {
  position: relative;
  z-index: 1;
  min-height: 6.75rem;
  display: flex;
  align-items: flex-start;
  opacity: 0;
  animation: routeStepIn 0.45s ease forwards;
}

@keyframes routeStepIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.route-step-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 46%;
  max-width: 11rem;
  text-align: center;
}

.route-step-left {
  justify-content: flex-start;
  padding-left: 4%;
}

.route-step-center {
  justify-content: center;
}

.route-step-right {
  justify-content: flex-end;
  padding-right: 4%;
}

.route-step-left .route-step-content { align-items: center; }
.route-step-right .route-step-content { align-items: center; }

.route-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  min-width: 4rem;
  min-height: 4rem;
  border-radius: 50%;
  border: 3px solid var(--at-border);
  background: var(--at-bg-elevated);
  box-shadow: var(--at-shadow);
  cursor: pointer;
  font-family: inherit;
  padding: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  color: var(--at-navy);
  position: relative;
  z-index: 2;
}

.route-circle-icon {
  font-size: 1.125rem;
  line-height: 1;
}

.route-circle:hover:not(:disabled) {
  transform: scale(1.06);
  box-shadow: var(--at-shadow-lg);
}

.route-circle-completed {
  background: linear-gradient(145deg, #2d6a4f, #3d8b63);
  border-color: #2d6a4f;
  color: #fff;
}

.route-circle-current,
.route-circle-active {
  width: 4.5rem;
  height: 4.5rem;
  min-width: 4.5rem;
  min-height: 4.5rem;
  border-color: var(--at-gold);
  background: linear-gradient(145deg, #fff 0%, rgba(201, 162, 39, 0.18) 100%);
  color: var(--at-navy);
  animation: routePulse 2.2s ease-in-out infinite;
}

@keyframes routePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.35), var(--at-shadow); }
  50%      { box-shadow: 0 0 0 10px rgba(201, 162, 39, 0), var(--at-shadow-lg); }
}

.route-circle-locked,
.route-circle-pro,
.route-circle-ai {
  background: var(--at-bg);
  border-color: var(--at-border);
  color: var(--at-text-muted);
  opacity: 0.75;
  cursor: not-allowed;
}

.route-circle-pro:not(:disabled),
.route-circle-ai:not(:disabled) {
  cursor: pointer;
  opacity: 0.9;
}

.route-circle-challenge {
  clip-path: polygon(50% 0%, 95% 25%, 95% 75%, 50% 100%, 5% 75%, 5% 25%);
  border-radius: 0;
}

.route-circle-challenge.route-circle-completed {
  background: linear-gradient(145deg, #c9a227, #e8d48b);
  border-color: #c9a227;
  color: var(--at-navy);
}

.route-circle-type {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.5625rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-text-muted);
}

.route-circle-label {
  display: block;
  margin-top: 0.125rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--at-navy);
  line-height: 1.3;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.route-circle-meta {
  display: block;
  margin-top: 0.125rem;
  font-size: 0.6875rem;
  color: var(--at-text-muted);
}

.route-kai-coach {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

.route-kai-left { top: -0.25rem; right: -3.25rem; }
.route-kai-center { top: -3rem; right: -2.5rem; }
.route-kai-right { top: -0.25rem; left: -3.25rem; }

.route-kai-bubble {
  margin-top: 0.25rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #fff;
  background: var(--at-navy);
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: var(--at-shadow);
  animation: routeKaiBounce 2s ease-in-out infinite;
}

@keyframes routeKaiBounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}

.route-node-glow.route-circle-active {
  animation: routePulse 2.2s ease-in-out infinite, routeGlow 2.2s ease-in-out infinite;
}

@media (max-width: 359.98px) {
  .route-step-content {
    width: 52%;
    max-width: none;
  }

  .route-circle {
    width: 3.5rem;
    height: 3.5rem;
    min-width: 3.5rem;
    min-height: 3.5rem;
  }

  .route-circle-current,
  .route-circle-active {
    width: 4rem;
    height: 4rem;
    min-width: 4rem;
    min-height: 4rem;
  }

  .route-kai-left { right: -2.75rem; }
  .route-kai-right { left: -2.75rem; }

  .route-page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .route-plans-btn {
    align-self: flex-start;
  }
}

@media (min-width: 576px) {
  .route-step-content {
    max-width: 12rem;
  }

  .route-circle {
    width: 4.25rem;
    height: 4.25rem;
    min-width: 4.25rem;
    min-height: 4.25rem;
  }

  .route-circle-current,
  .route-circle-active {
    width: 4.75rem;
    height: 4.75rem;
    min-width: 4.75rem;
    min-height: 4.75rem;
  }
}

/* ============================================================
   Mobile ? cualquier tama?o de pantalla
   ============================================================ */

.welcome-container,
.exercise-container,
.app-container,
.results-container {
  padding-left: var(--app-padding-x);
  padding-right: var(--app-padding-x);
  width: 100%;
  max-width: 100%;
}

.option-btn,
.training-card,
.route-node,
.btn-primary,
.btn-outline-primary {
  min-height: var(--touch-min);
}

.option-btn {
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.option-text {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.exercise-title {
  font-size: clamp(1.125rem, 4.5vw, 1.375rem);
}

.exercise-question {
  font-size: clamp(0.9375rem, 3.8vw, 1.0625rem);
}

.kai-feedback-message {
  padding-left: 0;
}

@media (max-width: 575.98px) {
  .screen {
    padding: 1rem 0 1.5rem;
  }

  .screen-with-nav.active {
    padding-bottom: 0.5rem;
  }

  .exercise-card {
    padding: 1.25rem 1rem 1.5rem;
    border-radius: var(--at-radius-sm);
  }

  .option-btn {
    padding: 0.875rem 1rem;
    gap: 0.75rem;
  }

  .topbar-xp {
    padding: 0.25rem 0.625rem;
    font-size: 0.8125rem;
  }

  .heart-icon {
    font-size: 0.75rem;
  }

  .nav-label {
    font-size: 0.5625rem;
    letter-spacing: 0.02em;
  }

  .nav-icon {
    font-size: 1rem;
  }

  .home-header .page-greeting {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
  }

  .training-card {
    padding: 1rem 1.125rem;
  }

  .route-node {
    padding: 0.75rem 0.875rem;
    gap: 0.625rem;
  }

  .route-node-title {
    font-size: 0.875rem;
  }

  .celebrate-modal {
    margin: var(--app-padding-x);
    max-width: calc(100% - 2 * var(--app-padding-x));
  }

  .missions-card,
  .league-card,
  .settings-card {
    padding: 0.875rem 1rem;
  }
}

@media (max-width: 359.98px) {
  .exercise-topbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "back lesson xp"
      "hearts hearts hearts";
  }

  .exercise-topbar .btn-back { grid-area: back; }
  .exercise-topbar .topbar-lesson { grid-area: lesson; }
  .exercise-topbar .topbar-xp { grid-area: xp; }
  .exercise-topbar .topbar-hearts {
    grid-area: hearts;
    justify-content: center;
    padding-top: 0.25rem;
  }

  .nav-label {
    font-size: 0.5rem;
  }
}

@media (min-width: 576px) and (max-width: 767.98px) {
  .app-container,
  .exercise-container,
  .welcome-container,
  .results-container {
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 768px) {
  .app-container,
  .exercise-container,
  .welcome-container,
  .results-container {
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  body.has-bottom-nav {
    padding-bottom: calc(var(--bottom-nav-height) + 0.5rem);
  }
}

@media (orientation: landscape) and (max-height: 500px) {
  .screen {
    padding-top: 0.5rem;
    padding-bottom: 0.75rem;
  }

  .welcome-header {
    margin-bottom: 1rem;
    padding-top: 0;
  }

  .brand-logo img {
    width: 64px;
    height: 64px;
  }

  .kai-home-card {
    flex-direction: row;
    align-items: center;
  }

  .exercise-card {
    padding: 1rem 1.25rem 1.25rem;
  }

  .options-container {
    gap: 0.5rem;
  }

  .option-btn {
    padding: 0.625rem 0.875rem;
  }
}

@media (pointer: coarse) {
  .nav-item:active,
  .option-btn:active:not(:disabled),
  .training-card:active,
  .route-node:active:not(:disabled),
  .btn-back:active {
    transform: scale(0.98);
  }
}

/* ---- Entrenamiento personalizado ---- */

.back-link {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--at-blue-muted);
  text-decoration: none;
  margin-bottom: 0.35rem;
}

.personal-score-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--at-shadow);
}

.personal-score-main {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.personal-score-value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--at-navy);
  line-height: 1;
}

.personal-score-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--at-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.personal-score-hint {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--at-text-muted);
}

.mode-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 480px) {
  .mode-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mode-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1rem;
  transition: var(--transition);
}

.mode-card:hover {
  border-color: var(--at-blue-muted);
  transform: translateY(-2px);
  box-shadow: var(--at-shadow);
}

.mode-title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--at-navy);
  margin: 0.5rem 0 0.25rem;
}

.mode-desc {
  margin: 0;
  font-size: 0.75rem;
  color: var(--at-text-muted);
  line-height: 1.4;
}

.mode-icon .at-icon-badge,
.at-icon-badge--sm {
  width: 2.5rem;
  height: 2.5rem;
}

.metric-desc {
  display: block;
  font-size: 0.6875rem;
  color: var(--at-text-muted);
  margin-top: 0.25rem;
}

.metric-bar-fill.is-weak {
  background: var(--at-error);
}

.error-pattern-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.error-pattern-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 0.75rem 0.875rem;
}

.error-pattern-tag {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-gold);
  margin-bottom: 0.2rem;
}

.error-pattern-excerpt {
  display: block;
  font-size: 0.875rem;
  color: var(--at-navy);
}

.error-pattern-tip {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  color: var(--at-text-muted);
}

.drill-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.drill-skill {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-blue-muted);
  margin-bottom: 0.35rem;
}

.drill-prompt {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--at-navy);
  margin: 0 0 0.5rem;
}

.drill-source {
  margin: 0 0 0.75rem;
  padding: 0.625rem 0.75rem;
  background: var(--at-bg);
  border-left: 3px solid var(--at-gold);
  font-size: 0.875rem;
  color: var(--at-text);
}

.drill-feedback {
  margin-top: 0.75rem;
  padding: 0.625rem 0.75rem;
  border-radius: var(--at-radius-sm);
  font-size: 0.875rem;
}

.drill-feedback.is-ok {
  background: var(--at-success-bg);
  color: var(--at-success);
}

.drill-feedback.is-bad {
  background: var(--at-error-bg);
  color: var(--at-error);
}

.voice-prompt-card,
.rewrite-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.voice-prompt-text {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--at-navy);
  margin: 0.35rem 0 0.75rem;
  line-height: 1.35;
}

.voice-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin: 1.25rem 0;
}

.voice-mic-btn {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 50%;
  border: 3px solid var(--at-navy);
  background: var(--at-navy);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  display: grid;
  place-items: center;
  gap: 0.15rem;
  cursor: pointer;
  transition: var(--transition);
}

.voice-mic-btn.is-recording {
  background: var(--at-error);
  border-color: var(--at-error);
  animation: micPulse 1.2s ease infinite;
}

@keyframes micPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(155, 44, 44, 0.35); }
  50% { transform: scale(1.04); box-shadow: 0 0 0 12px rgba(155, 44, 44, 0); }
}

.voice-timer {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--at-text-muted);
  margin: 0;
}

.voice-mic-hint {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--at-text-muted);
  text-align: center;
}

.voice-duo-header .page-header,
.voice-duo-header {
  margin-bottom: 0.75rem;
}

.voice-progress-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.voice-progress-wrap .progress {
  flex: 1;
}

.voice-progress-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--at-text-muted);
  white-space: nowrap;
}

.voice-duo-stage {
  animation: fadeIn 0.3s ease;
}

.voice-duo-instruction {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-text-muted);
  margin: 0 0 0.5rem;
  text-align: center;
}

.voice-target-card {
  background: var(--at-bg-elevated);
  border: 2px solid var(--at-navy);
  border-radius: var(--at-radius);
  padding: 1.25rem 1rem;
  margin-bottom: 1.25rem;
  text-align: center;
  box-shadow: var(--at-shadow);
}

.voice-target-card--retry {
  border-color: var(--at-gold);
  background: rgba(201, 162, 39, 0.08);
}

.voice-target-text {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.5vw, 1.65rem);
  font-weight: 700;
  color: var(--at-navy);
  margin: 0;
  line-height: 1.35;
}

.voice-manual-fallback {
  margin-top: 1.25rem;
  font-size: 0.8125rem;
  color: var(--at-text-muted);
}

.voice-manual-fallback summary {
  cursor: pointer;
  font-weight: 600;
}

.voice-result-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border-radius: var(--at-radius);
  padding: 1rem 1.125rem;
  margin-bottom: 1rem;
}

.voice-result-banner--wrong {
  background: var(--at-error-bg);
  border: 1px solid rgba(155, 44, 44, 0.25);
  color: var(--at-error);
}

.voice-result-banner--right {
  background: var(--at-success-bg);
  border: 1px solid rgba(45, 106, 79, 0.25);
  color: var(--at-success);
}

.voice-result-banner strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.125rem;
  margin-bottom: 0.15rem;
}

.voice-result-banner p {
  font-size: 0.875rem;
  opacity: 0.95;
}

.voice-result-icon {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.voice-said-card {
  background: #fff;
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 1rem;
  margin-bottom: 0.75rem;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--at-text);
  min-height: 3rem;
}

.voice-said-card--ok {
  border-color: rgba(45, 106, 79, 0.35);
  background: var(--at-success-bg);
  color: var(--at-success);
  font-family: var(--font-display);
  font-weight: 700;
}

.voice-token--bad {
  color: #fff;
  background: var(--at-error);
  border-radius: 4px;
  padding: 0.05rem 0.25rem;
  text-decoration: none;
  font-weight: 700;
}

.voice-filler-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.voice-filler-chip {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--at-error);
  background: var(--at-error-bg);
  border: 1px solid rgba(155, 44, 44, 0.2);
  border-radius: 999px;
  padding: 0.2rem 0.625rem;
}

.voice-xp-pill {
  display: inline-flex;
  align-self: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--at-gold);
  background: rgba(201, 162, 39, 0.15);
  border-radius: 999px;
  padding: 0.375rem 1rem;
  margin: 0 auto 1rem;
  width: fit-content;
}

#voice-stage-right,
#voice-stage-done {
  display: flex;
  flex-direction: column;
}

#voice-stage-right[hidden],
#voice-stage-done[hidden],
#voice-stage-wrong[hidden],
#voice-stage-listen[hidden] {
  display: none !important;
}

.voice-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.voice-metrics span {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--at-bg);
  border-radius: 999px;
  padding: 0.25rem 0.625rem;
  color: var(--at-navy);
}

.mode-toggle {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.mode-toggle-btn {
  flex: 1;
  border: 1px solid var(--at-border);
  background: var(--at-bg-elevated);
  border-radius: var(--at-radius-sm);
  padding: 0.625rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--at-text-muted);
  cursor: pointer;
}

.mode-toggle-btn.active {
  background: var(--at-navy);
  border-color: var(--at-navy);
  color: #fff;
}

.rewrite-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.rewrite-model-card {
  margin-top: 0.75rem;
  padding: 0.875rem;
  background: var(--at-success-bg);
  border-radius: var(--at-radius-sm);
}

.rewrite-model-text {
  margin: 0.35rem 0 0;
  font-size: 0.9375rem;
  color: var(--at-navy);
}

.sim-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--at-navy);
  margin-bottom: 0.75rem;
}

.sim-thread {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  max-height: 48vh;
  overflow-y: auto;
  padding: 0.25rem;
  margin-bottom: 0.75rem;
}

.sim-bubble {
  border-radius: var(--at-radius-sm);
  padding: 0.75rem 0.875rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
}

.sim-bubble.sim-user {
  background: rgba(15, 39, 68, 0.06);
  border-color: transparent;
}

.sim-bubble.sim-kai {
  background: rgba(201, 162, 39, 0.12);
  border-color: transparent;
}

.sim-bubble.sim-npc {
  background: #fff;
}

.sim-role {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--at-text-muted);
  margin-bottom: 0.25rem;
}

.sim-bubble p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.45;
}

.kai-inline-msg {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--at-navy);
  font-weight: 600;
}

.simulate-card.is-locked {
  opacity: 0.55;
}


/* ---- Conecta Insight ---- */

.insight-eyebrow {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--at-gold);
  margin: 0 0 0.25rem;
}

.insight-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.insight-live-pill {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: 999px;
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  color: var(--at-text-muted);
  margin-bottom: 1.25rem;
}

.insight-live-pill strong {
  font-family: var(--font-display);
  color: var(--at-navy);
  font-size: 1rem;
}

.insight-live-hint {
  display: block;
  font-size: 0.6875rem;
  margin-top: 0.15rem;
}

.insight-loading {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--at-text-muted);
}

.insight-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--at-border);
  border-top-color: var(--at-gold);
  border-radius: 50%;
  margin: 0 auto 0.75rem;
  animation: insightSpin 0.8s linear infinite;
}

@keyframes insightSpin {
  to { transform: rotate(360deg); }
}

.insight-hero {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: linear-gradient(160deg, #0f2744 0%, #1a365d 55%, #243b55 100%);
  color: #fff;
  border-radius: var(--at-radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--at-shadow-lg);
}

.insight-score-ring {
  text-align: center;
}

.insight-score-value {
  display: block;
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--at-gold-soft);
}

.insight-score-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
}

.insight-level {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.insight-compare {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.8125rem;
  margin-bottom: 0.75rem;
  opacity: 0.95;
}

.insight-compare .is-up { color: #8fdbb0; font-weight: 700; }
.insight-compare .is-down { color: #f5b5b5; font-weight: 700; }

.insight-summary {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  opacity: 0.95;
}

.insight-kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 480px) {
  .insight-kpi-grid { grid-template-columns: repeat(5, 1fr); }
  .insight-hero { flex-direction: row; align-items: center; }
  .insight-score-ring { min-width: 7rem; }
}

.insight-kpi {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 0.75rem 0.5rem;
  text-align: center;
}

.insight-kpi-val {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--at-navy);
  font-size: 1.125rem;
}

.insight-kpi-lab {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-text-muted);
}

.insight-charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

@media (min-width: 640px) {
  .insight-charts { grid-template-columns: 1fr 1fr; }
}

.insight-chart-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1rem;
}

.insight-two-col {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .insight-two-col { grid-template-columns: 1fr 1fr; }
}

.insight-panel {
  border-radius: var(--at-radius);
  padding: 1rem;
  border: 1px solid var(--at-border);
  background: var(--at-bg-elevated);
}

.insight-panel--good { border-color: rgba(45, 106, 79, 0.3); background: var(--at-success-bg); }
.insight-panel--warn { border-color: rgba(155, 44, 44, 0.25); background: var(--at-error-bg); }

.insight-list { list-style: none; padding: 0; margin: 0; }
.insight-list li { margin-bottom: 0.75rem; }
.insight-list li:last-child { margin-bottom: 0; }
.insight-list strong { display: block; color: var(--at-navy); font-family: var(--font-display); }
.insight-list span { font-size: 0.75rem; font-weight: 700; color: var(--at-text-muted); }
.insight-list p { margin: 0.25rem 0 0; font-size: 0.8125rem; color: var(--at-text); }

.insight-patterns {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.insight-pattern {
  border-radius: var(--at-radius-sm);
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--at-border);
  background: var(--at-bg-elevated);
}

.insight-pattern h4 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--at-navy);
}

.insight-pattern p { margin: 0; font-size: 0.8125rem; color: var(--at-text-muted); }
.insight-pattern.severity-good { background: var(--at-success-bg); border-color: rgba(45,106,79,0.25); }
.insight-pattern.severity-warn { background: var(--at-error-bg); border-color: rgba(155,44,44,0.2); }
.insight-pattern.severity-info { background: rgba(44,82,130,0.08); }

.insight-rec {
  background: var(--at-bg-elevated);
  border-left: 4px solid var(--at-gold);
  border-radius: 0 var(--at-radius-sm) var(--at-radius-sm) 0;
  padding: 0.875rem 1rem;
  margin-bottom: 0.625rem;
}

.insight-rec.priority-high { border-left-color: var(--at-error); }
.insight-rec h4 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--at-navy);
}
.insight-rec p { margin: 0; font-size: 0.875rem; color: var(--at-text); }

.insight-plan-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.insight-plan-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.insight-plan-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--at-border);
}

.insight-plan-day {
  grid-row: span 2;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--at-gold);
  align-self: center;
}

.insight-plan-list a {
  color: var(--at-navy);
  font-weight: 700;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.9375rem;
}

.insight-plan-list small { color: var(--at-text-muted); font-size: 0.75rem; }

.insight-generated-at {
  text-align: center;
  font-size: 0.75rem;
  color: var(--at-text-muted);
  margin: 1.5rem 0 0.5rem;
}

.insight-history-list { list-style: none; padding: 0; margin: 0; }
.insight-history-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  background: var(--at-bg-elevated);
  text-decoration: none;
  color: inherit;
  margin-bottom: 0.5rem;
}

.insight-history-score {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--at-navy);
  min-width: 2.5rem;
  text-align: center;
}

.insight-history-item small { display: block; color: var(--at-text-muted); font-size: 0.6875rem; }
.insight-history-delta { margin-left: auto; font-weight: 700; font-family: var(--font-display); }
.insight-history-delta.is-up { color: var(--at-success); }
.insight-history-delta.is-down { color: var(--at-error); }

.insight-cta-card {
  margin-top: 1.25rem;
  background: linear-gradient(135deg, rgba(15,39,68,0.96), rgba(26,54,93,0.92));
  color: #fff !important;
  border: none;
}

.insight-cta-card .training-card-tag { color: var(--at-gold-soft); }
.insight-cta-card .training-card-title,
.insight-cta-card .training-card-meta,
.insight-cta-card .training-card-cta { color: #fff; }

/* ============================================================
   Responsive system ? Conecta (mobile-first overrides)
   ============================================================ */

.welcome-container,
.exercise-container,
.app-container,
.results-container,
.route-app {
  padding-left: var(--app-padding-x);
  padding-right: var(--app-padding-x);
  width: 100%;
  max-width: min(100%, var(--app-max));
  margin-left: auto;
  margin-right: auto;
}

.page-title {
  font-size: clamp(1.375rem, 5vw, 1.75rem);
  line-height: 1.2;
  word-break: break-word;
}

.page-subtitle {
  font-size: clamp(0.8125rem, 3.2vw, 0.9375rem);
}

.section-title {
  font-size: clamp(0.9375rem, 3.5vw, 1.0625rem);
}

.btn,
.btn-primary,
.btn-outline-primary,
.btn-success,
.btn-danger {
  min-height: var(--touch-min);
  touch-action: manipulation;
}

.form-control,
.form-select,
textarea.form-control {
  font-size: 16px; /* evita zoom iOS */
  max-width: 100%;
}

/* ---- Home ---- */

.home-header {
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-start;
}

.home-brand {
  min-width: 0;
  flex: 1 1 auto;
}

.home-stats-row {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.375rem;
  max-width: 100%;
}

.stat-pill,
.btn-logout {
  flex-shrink: 0;
}

.level-name {
  font-size: clamp(1.35rem, 5.5vw, 1.75rem);
  font-weight: 700;
}

.level-card {
  padding: clamp(1rem, 3vw, 1.25rem) clamp(1rem, 3.5vw, 1.5rem);
}

.missions-card,
.league-card,
.daily-goal-card,
.metrics-card,
.settings-card {
  overflow: hidden;
}

.mission-item,
.practice-item,
.error-pattern-item {
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---- Progress ---- */

.progress-summary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.progress-stat-value {
  font-size: clamp(1.25rem, 5vw, 1.5rem);
}

.levels-list-card .btn {
  width: 100%;
}

@media (min-width: 480px) {
  .levels-list-card .btn {
    width: auto;
  }
}

/* ---- Simulate / mode grids ---- */

.simulate-grid,
.mode-grid,
.achievements-grid {
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.simulate-card,
.mode-card,
.achievement-card,
.drill-card,
.training-card {
  min-width: 0;
}

.simulate-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

/* ---- Route ---- */

.route-page-header {
  flex-wrap: wrap;
}

.route-unit-banner {
  flex-wrap: wrap;
}

.route-unit-desc {
  overflow-wrap: anywhere;
}

.route-step {
  min-height: 6.25rem;
}

.route-step-content {
  width: min(46%, 10.5rem);
}

.route-circle {
  width: clamp(3.25rem, 14vw, 4.25rem);
  height: clamp(3.25rem, 14vw, 4.25rem);
}

.route-step-label {
  font-size: clamp(0.6875rem, 2.8vw, 0.8125rem);
  max-width: 100%;
  overflow-wrap: anywhere;
}

/* ---- Lesson ---- */

.exercise-container {
  max-width: min(100%, 640px);
}

.exercise-card {
  overflow: hidden;
}

.options-container {
  gap: 0.625rem;
}

.option-btn {
  width: 100%;
  align-items: flex-start;
}

.kai-feedback-message {
  padding-left: 0;
  word-break: break-word;
}

/* ---- Bottom nav ---- */

.bottom-nav {
  padding-left: max(0.25rem, var(--safe-left));
  padding-right: max(0.25rem, var(--safe-right));
}

.nav-label {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 0.1rem;
}

/* ---- Voice / Reformular ---- */

.voice-target-text,
.voice-prompt-text {
  font-size: clamp(1.125rem, 4.5vw, 1.65rem);
  overflow-wrap: anywhere;
}

.voice-controls {
  width: 100%;
}

.voice-duo-header .back-link {
  display: inline-block;
}

.voice-result-banner {
  flex-wrap: wrap;
}

.rewrite-actions {
  width: 100%;
}

.rewrite-actions .btn {
  flex: 1 1 auto;
}

/* ---- Insight ---- */

.insight-actions {
  width: 100%;
}

.insight-actions .btn {
  flex: 1 1 calc(50% - 0.25rem);
  min-width: 9rem;
}

.insight-hero {
  min-width: 0;
}

.insight-summary,
.insight-rec p,
.insight-pattern p {
  overflow-wrap: anywhere;
}

.insight-kpi-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.insight-chart-card {
  min-width: 0;
  overflow: hidden;
}

.insight-chart-card canvas {
  max-width: 100% !important;
  width: 100% !important;
  height: auto !important;
  max-height: 240px;
}

.insight-plan-list li {
  grid-template-columns: auto minmax(0, 1fr);
}

.insight-history-item {
  min-width: 0;
}

.insight-history-item span:nth-child(2) {
  min-width: 0;
  flex: 1;
}

.insight-cta-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
}

/* ---- Auth ---- */

.auth-screen .app-container,
.auth-page .welcome-container {
  max-width: min(100%, 420px);
}

/* ---- Tables / long text ---- */

.metric-name,
.drill-prompt,
.simulate-card-title,
.training-card-title {
  overflow-wrap: anywhere;
}

/* ========== < 360px ========== */
@media (max-width: 359.98px) {
  :root {
    --app-padding-x: max(0.75rem, var(--safe-left), var(--safe-right));
    --bottom-nav-height: calc(3.5rem + var(--safe-bottom));
  }

  body {
    font-size: 1rem;
  }

  .home-stats-row .btn-logout {
    padding: 0.35rem 0.5rem;
    font-size: 0.75rem;
  }

  .stat-pill {
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
  }

  .nav-label {
    font-size: 0.5rem;
    letter-spacing: 0;
  }

  .insight-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .insight-actions .btn {
    flex: 1 1 100%;
  }

  .route-step-content {
    width: min(52%, 9.5rem);
  }
}

/* ========== < 576px phones ========== */
@media (max-width: 575.98px) {
  .screen {
    padding: 0.875rem 0 1.25rem;
  }

  .home-header {
    margin-bottom: 1rem;
  }

  .home-brand-by {
    display: none;
  }

  .page-header {
    margin-bottom: 1rem;
  }

  .exercise-topbar {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      'back lesson hearts'
      'xp xp xp';
    gap: 0.5rem 0.375rem;
    margin-bottom: 1rem;
  }

  .exercise-topbar .btn-back { grid-area: back; }
  .exercise-topbar .topbar-lesson { grid-area: lesson; text-align: left; }
  .exercise-topbar .topbar-hearts {
    grid-area: hearts;
    justify-self: end;
  }
  .exercise-topbar .topbar-xp {
    grid-area: xp;
    justify-self: start;
  }

  .route-page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .route-plans-btn {
    align-self: flex-start;
  }

  .route-zigzag::before {
    left: 50%;
  }

  .sim-thread {
    max-height: 42vh;
  }

  .sim-composer textarea {
    font-size: 16px;
  }

  .mode-toggle {
    width: 100%;
  }

  .insight-hero {
    text-align: center;
  }

  .insight-compare {
    align-items: center;
  }

  .insight-two-col,
  .insight-charts {
    grid-template-columns: 1fr;
  }

  .personal-score-card,
  .voice-prompt-card,
  .rewrite-card {
    padding: 0.875rem;
  }

  .achievements-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ========== = 480px ========== */
@media (min-width: 480px) {
  .simulate-grid,
  .mode-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .progress-summary {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .insight-kpi-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .achievements-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ========== = 576px ========== */
@media (min-width: 576px) {
  :root {
    --app-max: 540px;
  }

  .home-header {
    flex-wrap: nowrap;
    align-items: center;
  }

  .home-brand-by {
    display: block;
  }

  .mode-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .insight-hero {
    flex-direction: row;
    text-align: left;
  }

  .insight-compare {
    align-items: flex-start;
  }

  .insight-charts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .insight-two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ========== = 768px tablets+ ========== */
@media (min-width: 768px) {
  :root {
    --app-max: 600px;
    --bottom-nav-height: calc(4rem + var(--safe-bottom));
  }

  body.has-bottom-nav {
    padding-bottom: calc(var(--bottom-nav-height) + 0.5rem);
  }

  .simulate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .achievements-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .nav-label {
    font-size: 0.625rem;
    letter-spacing: 0.04em;
  }

  .route-step-content {
    max-width: 12rem;
  }
}

/* ========== = 992px desktop comfort ========== */
@media (min-width: 992px) {
  :root {
    --app-max: 640px;
  }

  .bottom-nav {
    left: 50%;
    right: auto;
    width: min(100%, var(--app-max));
    transform: translateX(-50%);
    border-radius: 16px 16px 0 0;
    border-left: 1px solid var(--at-border);
    border-right: 1px solid var(--at-border);
  }

  .screen {
    padding-top: 1.75rem;
  }
}

/* ========== Landscape short phones ========== */
@media (orientation: landscape) and (max-height: 480px) {
  .screen {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .welcome-header,
  .page-header {
    margin-bottom: 0.75rem;
  }

  .voice-mic-btn {
    width: 4.25rem;
    height: 4.25rem;
  }

  .insight-hero {
    flex-direction: row;
    padding: 0.875rem 1rem;
  }

  .insight-score-value {
    font-size: 2.5rem;
  }

  .sim-thread {
    max-height: 36vh;
  }

  .bottom-nav {
    padding-top: 0.2rem;
    padding-bottom: calc(0.2rem + var(--safe-bottom));
  }

  .nav-label {
    display: none;
  }

  :root {
    --bottom-nav-height: calc(3rem + var(--safe-bottom));
  }
}

/* ========== Touch refinements ========== */
@media (pointer: coarse) {
  .nav-item,
  .option-btn,
  .simulate-card,
  .mode-card,
  .drill-option,
  .route-circle,
  .btn {
    touch-action: manipulation;
  }

  .nav-item:active,
  .option-btn:active:not(:disabled),
  .training-card:active,
  .simulate-card:active,
  .mode-card:active {
    transform: scale(0.985);
  }
}

/* Prefer reduced motion already defined earlier ? keep charts calm */
@media (prefers-reduced-motion: reduce) {
  .insight-spinner,
  .voice-mic-btn.is-recording {
    animation: none !important;
  }
}

/* ========== Conecta for empresas (B2B) ========== */
.b2b-header .page-title {
  letter-spacing: -0.02em;
}

.b2b-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.b2b-filter {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1 1 8rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--at-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.b2b-filter .form-select {
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: var(--at-navy);
  border-color: var(--at-border);
  border-radius: var(--at-radius-sm);
}

.b2b-kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 520px) {
  .b2b-kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.b2b-kpi {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 0.85rem 0.75rem;
  text-align: center;
}

.b2b-kpi-val {
  display: block;
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--at-navy);
  line-height: 1.1;
}

.b2b-kpi-lab {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--at-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.b2b-charts {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .b2b-charts {
    grid-template-columns: 1fr 1fr;
  }
}

.b2b-chart-card {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1rem;
}

.b2b-two-col {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 560px) {
  .b2b-two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.b2b-panel {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 1rem;
}

.b2b-panel--good {
  border-color: rgba(45, 106, 79, 0.28);
  background: var(--at-success-bg);
}

.b2b-panel--warn {
  border-color: rgba(155, 44, 44, 0.22);
  background: var(--at-error-bg);
}

.b2b-panel .insight-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.b2b-member-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.b2b-member-list li + li {
  margin-top: 0.5rem;
}

.b2b-member-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 0.9rem;
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.b2b-member-row:hover {
  border-color: rgba(44, 82, 130, 0.35);
  box-shadow: var(--at-shadow);
}

.b2b-member-score {
  flex: 0 0 2.75rem;
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--at-navy);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.b2b-member-score.is-low {
  background: #9b2c2c;
}

.b2b-member-row strong {
  display: block;
  color: var(--at-navy);
  font-family: var(--font-display);
}

.b2b-member-row small {
  color: var(--at-text-muted);
  font-size: 0.8rem;
}

.b2b-member-meta,
.b2b-chevron {
  margin-left: auto;
  color: var(--at-text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.b2b-member-hero {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  background: linear-gradient(160deg, #0f2744 0%, #1a365d 55%, #2c5282 100%);
  color: #fff;
  border-radius: var(--at-radius);
  padding: 1.5rem 1rem;
  margin-bottom: 1rem;
}

.b2b-member-hero .insight-score-value {
  color: #fff;
}

.b2b-member-hero .insight-score-label {
  color: rgba(255, 255, 255, 0.75);
}

.b2b-member-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  width: 100%;
}

@media (min-width: 480px) {
  .b2b-member-stats {
    grid-template-columns: repeat(5, 1fr);
  }
}

.b2b-member-stats div {
  text-align: center;
}

.b2b-member-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.b2b-member-stats span {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.75;
}

.kai-inline-note {
  background: var(--at-bg-elevated);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  padding: 0.9rem 1rem;
  margin-bottom: 1.1rem;
}

.kai-inline-note strong {
  color: var(--at-gold);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.kai-inline-note p {
  margin: 0.35rem 0 0;
  color: var(--at-navy);
}

.b2b-evo-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
}

.b2b-evo-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--at-border);
  font-size: 0.92rem;
}

.b2b-evo-label {
  color: var(--at-navy);
  font-weight: 600;
}

.b2b-evo-nums {
  color: var(--at-text-muted);
  font-size: 0.85rem;
}

.b2b-evo-delta.is-up { color: var(--at-success); font-weight: 700; }
.b2b-evo-delta.is-down { color: var(--at-error); font-weight: 700; }

.b2b-cta-card {
  background: linear-gradient(145deg, #0f2744 0%, #1a365d 55%, #243b5e 100%);
  border: 1px solid rgba(201, 162, 39, 0.35);
}

.b2b-cta-card .training-card-tag {
  color: var(--at-gold-soft);
}

.b2b-cta-card .training-card-title,
.b2b-cta-card .training-card-meta,
.b2b-cta-card .training-card-cta {
  color: #fff;
}

.b2b-cta-card .training-card-meta {
  opacity: 0.85;
}

.b2b-cta-card .training-card-cta {
  color: var(--at-gold-soft);
}


/* ========== Mobile scroll patch (touch) ========== */
html {
  height: auto !important;
  max-height: none !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: auto;
  touch-action: pan-y pinch-zoom;
}

body {
  height: auto !important;
  max-height: none !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: auto !important;
  touch-action: pan-y pinch-zoom;
}

body.has-bottom-nav {
  padding-bottom: calc(var(--bottom-nav-height, 4.5rem) + 0.5rem);
}

.screen,
.screen.active,
.screen-with-nav.active,
.app-container,
.welcome-container,
.exercise-container,
.results-container,
.route-app {
  overflow: visible !important;
  max-height: none !important;
  height: auto !important;
  touch-action: pan-y pinch-zoom;
}

.bottom-nav {
  touch-action: manipulation;
}