/**
 * styles.css
 * -----------------------------------------------------------------------
 * Sistema de diseño del prototipo LMS Diplomado Modelo ABM.
 * Organización:
 *   1. Variables (tokens)
 *   2. Reset y base
 *   3. Layout general
 *   4. Header y navegación
 *   5. Botones e inputs
 *   6. Tarjetas y componentes de dashboard
 *   7. Badges / estados
 *   8. Mi Ruta ABM y Módulo
 *   9. Sesión (video, materiales, implementación, conversación)
 *   10. Comunidad ABM
 *   11. Mentor / Perfil
 *   12. Centro de Ayuda (acordeón, formulario)
 *   13. Login / Recuperar / Onboarding
 *   14. Utilidades (toasts, estados vacíos, spinner)
 *   15. Responsive
 * -----------------------------------------------------------------------
 */

/* =========================================================================
   1. VARIABLES
   ========================================================================= */
:root {
  /* Color */
  --color-bg: #F7F5F1;
  --color-bg-alt: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-ink: #14161A;
  --color-ink-soft: #4A4E57;
  --color-muted: #767B85;
  --color-border: #E7E3DC;
  --color-border-strong: #D8D3C9;
  --color-accent: #2C5CFF;
  --color-accent-dark: #1E44D6;
  --color-accent-soft: #E8EDFF;
  --color-success: #1E8E5A;
  --color-success-soft: #E5F5EC;
  --color-warning: #B9770E;
  --color-warning-soft: #FBF0DE;
  --color-danger: #C6392F;
  --color-danger-soft: #FBEAE8;
  --color-locked: #A2A6AE;
  --color-locked-soft: #EEECE8;

  /* Tipografía */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;

  /* Espaciado */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Bordes y sombra */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(20, 22, 26, 0.05);
  --shadow-md: 0 6px 20px rgba(20, 22, 26, 0.06);
  --shadow-lg: 0 16px 40px rgba(20, 22, 26, 0.10);

  /* Layout */
  --header-height: 72px;
  --content-max: 1240px;
}

/* =========================================================================
   2. RESET Y BASE
   ========================================================================= */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.5;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, p, ul, ol {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

img { max-width: 100%; display: block; }

::selection { background: var(--color-accent-soft); }

/* Foco visible consistente para accesibilidad de teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 200;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

/* =========================================================================
   3. LAYOUT GENERAL
   ========================================================================= */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-main {
  flex: 1;
  padding: var(--space-6) var(--space-6) var(--space-8);
}

.content-max {
  max-width: var(--content-max);
  margin: 0 auto;
  width: 100%;
}

.page-header {
  margin-bottom: var(--space-6);
}

.eyebrow {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.page-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.page-subtitle {
  margin-top: var(--space-2);
  color: var(--color-ink-soft);
  font-size: var(--fs-md);
  max-width: 640px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb__sep { color: var(--color-border-strong); }
.breadcrumb__current { color: var(--color-ink); font-weight: 600; }

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.section-heading h2 {
  font-size: var(--fs-lg);
  font-weight: 700;
}
.section-heading__link {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  white-space: nowrap;
}

/* =========================================================================
   4. HEADER Y NAVEGACIÓN
   ========================================================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 241, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: 0 var(--space-6);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink);
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.header__logo-icon { width: 26px; height: 20px; color: var(--color-ink); }
.header__logo-text strong { display: block; font-size: 0.65rem; letter-spacing: 0.18em; color: var(--color-muted); font-weight: 700; }

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex: 1;
}
.header__nav-link {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-ink-soft);
  padding: var(--space-2) 0;
  position: relative;
}
.header__nav-link:hover { color: var(--color-ink); }
.header__nav-link.is-active { color: var(--color-ink); }
.header__nav-link.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header__menu-toggle { display: none; }

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-soft);
  position: relative;
}
.icon-btn:hover { border-color: var(--color-border-strong); color: var(--color-ink); }
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn__dot {
  position: absolute;
  top: 8px; right: 9px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 1.5px solid var(--color-bg-alt);
}

.header__popover { position: relative; }
.popover-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 300px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3);
  display: none;
  z-index: 120;
}
.header__popover.is-open .popover-panel { display: block; }
.popover-panel__title { font-size: var(--fs-sm); font-weight: 700; padding: var(--space-1) var(--space-2) var(--space-2); }
.popover-panel__item { padding: var(--space-2); border-radius: var(--radius-sm); }
.popover-panel__item:hover { background: var(--color-bg); }
.popover-panel__item-title { font-size: var(--fs-sm); font-weight: 600; }
.popover-panel__item-meta { font-size: var(--fs-xs); color: var(--color-muted); margin-top: 2px; }
.popover-panel__footer {
  display: flex; align-items: center; gap: var(--space-1);
  font-size: var(--fs-sm); font-weight: 600; color: var(--color-accent);
  padding: var(--space-3) var(--space-2) var(--space-1);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2);
}
.popover-panel__footer svg { width: 14px; height: 14px; }
.popover-panel--user { width: 220px; padding: var(--space-2); }
.popover-panel__link {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--space-3) var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  color: var(--color-ink);
}
.popover-panel__link:hover { background: var(--color-bg); }
.popover-panel__link--danger { color: var(--color-danger); }

.user-menu-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  padding: var(--space-1);
  color: var(--color-ink);
}
.user-menu-btn__name { font-size: var(--fs-sm); font-weight: 600; }
.user-menu-btn svg { width: 16px; height: 16px; color: var(--color-muted); }

.header__mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-6) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.header__mobile-nav.is-open { display: flex; }
.header__mobile-link {
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-base);
  color: var(--color-ink-soft);
  background: none;
  border: none;
  text-align: left;
}
.header__mobile-link.is-active,
.header__mobile-link:hover { background: var(--color-bg); color: var(--color-ink); }
.header__mobile-link--danger { color: var(--color-danger); }
.header__mobile-cta { margin-top: var(--space-2); justify-content: center; }

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-ink);
  color: #fff;
  font-weight: 700;
  font-size: var(--fs-sm);
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}
.avatar--sm { width: 28px; height: 28px; font-size: var(--fs-xs); }
.avatar--lg { width: 64px; height: 64px; font-size: var(--fs-lg); }
.avatar--xl { width: 96px; height: 96px; font-size: var(--fs-xl); }

/* =========================================================================
   5. BOTONES E INPUTS
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-5);
  font-size: var(--fs-sm);
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn--primary { background: var(--color-ink); color: #fff; }
.btn--primary:hover:not(:disabled) { background: #000; box-shadow: var(--shadow-md); }

.btn--accent { background: var(--color-accent); color: #fff; }
.btn--accent:hover:not(:disabled) { background: var(--color-accent-dark); box-shadow: var(--shadow-md); }

.btn--secondary { background: var(--color-surface); color: var(--color-ink); border-color: var(--color-border-strong); }
.btn--secondary:hover:not(:disabled) { border-color: var(--color-ink); }

.btn--ghost { background: transparent; color: var(--color-ink-soft); }
.btn--ghost:hover:not(:disabled) { color: var(--color-ink); background: var(--color-bg); }

.btn--sm { padding: var(--space-2) var(--space-4); }
.btn--lg { padding: var(--space-4) var(--space-6); font-size: var(--fs-base); }
.btn--block { width: 100%; }
.btn--platform { background: var(--color-accent); color: #fff; }
.btn--platform:hover { background: var(--color-accent-dark); }

.field { margin-bottom: var(--space-5); }
.field label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
}
.field__hint { font-size: var(--fs-xs); color: var(--color-muted); margin-top: var(--space-1); }
.field__error { font-size: var(--fs-xs); color: var(--color-danger); margin-top: var(--space-1); display: none; }
.field.has-error .field__error { display: block; }
.field.has-error input { border-color: var(--color-danger); }

.input,
.textarea,
.select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  font-size: var(--fs-base);
  color: var(--color-ink);
  font-family: inherit;
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--color-accent); }
.input::placeholder, .textarea::placeholder { color: var(--color-muted); }

.input-group { position: relative; }
.input-group .input { padding-right: 44px; }
.input-group__toggle {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-muted);
  padding: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
}
.input-group__toggle:hover { color: var(--color-ink); }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-ink-soft);
}
.checkbox-row input { width: 16px; height: 16px; accent-color: var(--color-accent); }

.form-alert {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
  display: none;
}
.form-alert.is-visible { display: flex; }
.form-alert--error { background: var(--color-danger-soft); color: #8C2A22; }
.form-alert--success { background: var(--color-success-soft); color: #14603E; }

/* =========================================================================
   6. TARJETAS Y DASHBOARD
   ========================================================================= */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card--pad { padding: var(--space-6); }

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.welcome-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.continue-banner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  min-width: 320px;
}
.continue-banner__play {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.continue-banner__play svg { width: 16px; height: 16px; fill: #fff; }
.continue-banner__title { font-weight: 700; font-size: var(--fs-base); }
.continue-banner__subtitle { font-size: var(--fs-sm); color: rgba(255,255,255,0.7); margin-top: 2px; }
.continue-banner svg.header__arrow { width: 18px; height: 18px; margin-left: auto; }

.hero-card {
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.hero-card__label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.hero-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}
.hero-card__module { color: var(--color-accent); font-weight: 700; font-size: var(--fs-sm); margin-bottom: var(--space-1); }
.hero-card__title { font-size: var(--fs-xl); font-weight: 700; }
.hero-card__session { font-size: var(--fs-md); color: rgba(255,255,255,0.85); margin-top: var(--space-1); }
.hero-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.75);
  font-size: var(--fs-sm);
  margin-top: var(--space-3);
}
.hero-card__progress-label { font-size: var(--fs-sm); color: rgba(255,255,255,0.65); margin-top: var(--space-4); }

.ring {
  --pct: 0;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: conic-gradient(var(--color-accent) calc(var(--pct) * 1%), rgba(255,255,255,0.15) 0);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ring__inner {
  width: 76px; height: 76px;
  border-radius: 50%;
  background: var(--color-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.ring__pct { font-size: var(--fs-md); font-weight: 700; line-height: 1; }
.ring__label { font-size: 0.65rem; color: rgba(255,255,255,0.6); margin-top: 2px; }

.progress-bar {
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.15);
  overflow: hidden;
}
.progress-bar__fill { height: 100%; background: var(--color-accent); border-radius: var(--radius-full); transition: width 0.4s ease; }
.progress-bar--light { background: var(--color-locked-soft); }
.progress-bar--light .progress-bar__fill { background: var(--color-accent); }

.progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-sm);
  margin-bottom: var(--space-2);
  gap: var(--space-3);
}
.progress-row__pct { font-weight: 700; }

.overview-card__block { margin-bottom: var(--space-5); }
.overview-card__block:last-child { margin-bottom: 0; }
.overview-card__label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
}
.overview-card__figure {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.overview-card__figure-text { color: var(--color-ink-soft); font-size: var(--fs-sm); }
.overview-card__figure-pct { font-size: var(--fs-xl); font-weight: 700; }

.module-current { border-top: 1px solid var(--color-border); padding-top: var(--space-5); margin-top: var(--space-5); }
.module-current__name { font-weight: 700; font-size: var(--fs-md); margin-bottom: var(--space-3); }

.schedule-card {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  align-items: flex-start;
}
.schedule-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.schedule-card__icon svg { width: 20px; height: 20px; }
.schedule-card__label { font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-1); }
.schedule-card__title { font-weight: 700; font-size: var(--fs-md); }
.schedule-card__meta { color: var(--color-ink-soft); font-size: var(--fs-sm); margin-top: 2px; }
.schedule-card--upcoming .schedule-card__icon { background: var(--color-locked-soft); color: var(--color-ink-soft); }

.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center;
  font-size: var(--fs-xs);
  font-weight: 600;
}
.quick-link:hover { border-color: var(--color-accent); box-shadow: var(--shadow-sm); }
.quick-link__icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
}
.quick-link__icon svg { width: 18px; height: 18px; }

.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}
.news-item:last-child { border-bottom: none; padding-bottom: 0; }
.news-item__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); margin-top: 7px; flex-shrink: 0; }
.news-item__title { font-size: var(--fs-sm); font-weight: 600; }
.news-item__detail { font-size: var(--fs-xs); color: var(--color-muted); margin-top: 2px; }
.news-item__meta { font-size: var(--fs-xs); color: var(--color-muted); white-space: nowrap; margin-left: auto; }

.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.module-mini {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.module-mini.is-current { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent) inset; }
.module-mini__top { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-2); }
.module-mini__badge { width: 26px; height: 26px; border-radius: 50%; background: var(--color-ink); color: #fff; display: flex; align-items: center; justify-content: center; font-size: var(--fs-xs); font-weight: 700; flex-shrink: 0; }
.module-mini__name { font-weight: 700; }
.module-mini__count { font-size: var(--fs-sm); color: var(--color-ink-soft); margin-bottom: var(--space-2); }

.implement-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  flex-wrap: wrap;
}
.implement-banner__content { display: flex; gap: var(--space-4); align-items: flex-start; }
.implement-banner__icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.implement-banner__icon svg { width: 24px; height: 24px; }
.implement-banner__title { font-weight: 700; font-size: var(--fs-md); margin-bottom: var(--space-1); }
.implement-banner__text { color: var(--color-ink-soft); font-size: var(--fs-sm); max-width: 480px; }

/* =========================================================================
   7. BADGES / ESTADOS
   ========================================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.badge--completed { background: var(--color-success-soft); color: #14603E; }
.badge--available { background: var(--color-accent-soft); color: var(--color-accent-dark); }
.badge--progress { background: var(--color-warning-soft); color: #8A5A0A; }
.badge--locked { background: var(--color-locked-soft); color: var(--color-ink-soft); }
.badge--upcoming { background: #F1EEF9; color: #5B4C9E; }
.badge--live { background: var(--color-danger-soft); color: var(--color-danger); }

/* =========================================================================
   8. MI RUTA ABM / MÓDULO
   ========================================================================= */
.route-progress {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.route-progress .progress-bar { flex: 1; min-width: 220px; }

.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-5);
  align-items: center;
}
.module-card__number {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-ink);
  color: #fff;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-md);
}
.module-card.is-locked .module-card__number { background: var(--color-locked); }
.module-card__name { font-size: var(--fs-md); font-weight: 700; }
.module-card__desc { color: var(--color-ink-soft); font-size: var(--fs-sm); margin: var(--space-1) 0 var(--space-3); max-width: 560px; }
.module-card__meta { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.module-card__progress-text { font-size: var(--fs-xs); color: var(--color-muted); font-weight: 600; }
.module-card__cta { display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-2); }

.session-list { display: flex; flex-direction: column; gap: var(--space-3); }
.session-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.session-row.is-locked { opacity: 0.65; }
.session-row__icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  flex-shrink: 0;
}
.session-row__icon svg { width: 18px; height: 18px; }
.session-row.is-completed .session-row__icon { background: var(--color-success-soft); color: #14603E; }
.session-row.is-locked .session-row__icon { background: var(--color-locked-soft); color: var(--color-ink-soft); }
.session-row__number { font-size: var(--fs-xs); font-weight: 700; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.session-row__title { font-weight: 700; font-size: var(--fs-base); }
.session-row__meta { font-size: var(--fs-xs); color: var(--color-muted); margin-top: 2px; }
.session-row__action { text-align: right; }

.module-summary {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
}
.deliverable-list { display: flex; flex-direction: column; gap: var(--space-2); }
.deliverable-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  padding: var(--space-2) 0;
}
.deliverable-item svg { width: 16px; height: 16px; color: var(--color-accent); flex-shrink: 0; }

/* =========================================================================
   9. SESIÓN
   ========================================================================= */
.session-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.session-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink-soft);
  font-size: var(--fs-sm);
  margin-top: var(--space-2);
  flex-wrap: wrap;
}
.session-header__dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-border-strong); }

.session-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.objective-box {
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-5);
  color: #1E3A9E;
  font-size: var(--fs-sm);
}
.objective-box strong { display: block; font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; color: var(--color-accent-dark); }

.video-player {
  background: var(--color-ink);
  border-radius: var(--radius-lg);
  aspect-ratio: 16/9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: var(--space-5);
}
.video-player__play {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
  border: 1.5px solid rgba(255,255,255,0.4);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.video-player__play svg { width: 24px; height: 24px; margin-left: 2px; }
.video-player__controls {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: linear-gradient(to top, rgba(0,0,0,0.55), transparent);
}
.video-player__progress {
  flex: 1;
  height: 4px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.25);
  position: relative;
}
.video-player__progress-fill { position: absolute; inset: 0; width: 0%; background: var(--color-accent); border-radius: var(--radius-full); }
.video-player__time { color: #fff; font-size: var(--fs-xs); font-weight: 600; white-space: nowrap; }
.video-player__state {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 700;
  background: rgba(255,255,255,0.14);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.material-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.material-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-ink-soft);
  flex-shrink: 0;
}
.material-card__name { font-weight: 600; font-size: var(--fs-sm); }
.material-card__meta { font-size: var(--fs-xs); color: var(--color-muted); margin-top: 2px; }
.material-card__btn { margin-left: auto; flex-shrink: 0; }

.implement-block {
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}
.implement-block__title { font-size: var(--fs-lg); font-weight: 700; margin-bottom: var(--space-2); }
.implement-block__text { color: rgba(255,255,255,0.75); font-size: var(--fs-sm); margin-bottom: var(--space-4); max-width: 520px; }
.implement-block__list { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.implement-block__list li { display: flex; gap: var(--space-2); font-size: var(--fs-sm); color: rgba(255,255,255,0.9); }
.implement-block__list svg { width: 16px; height: 16px; color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.implement-block__actions { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.implement-block__status { font-size: var(--fs-xs); color: rgba(255,255,255,0.6); }

.discussion-card { margin-bottom: var(--space-5); }
.discussion-card__tags { display: flex; gap: var(--space-2); margin-bottom: var(--space-3); flex-wrap: wrap; }
.tag {
  font-size: var(--fs-xs);
  font-weight: 600;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  color: var(--color-ink-soft);
}
.comment-list { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-4); }
.comment {
  display: flex;
  gap: var(--space-3);
}
.comment__body { background: var(--color-bg); border-radius: var(--radius-md); padding: var(--space-3); flex: 1; }
.comment__author { font-weight: 700; font-size: var(--fs-sm); }
.comment__text { font-size: var(--fs-sm); color: var(--color-ink-soft); margin-top: 2px; }
.comment__meta { font-size: var(--fs-xs); color: var(--color-muted); margin-top: 4px; }

.session-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
  margin-top: var(--space-2);
  flex-wrap: wrap;
}

.sidebar-stack { display: flex; flex-direction: column; gap: var(--space-5); }
.session-info-list { display: flex; flex-direction: column; gap: var(--space-3); }
.session-info-item { display: flex; justify-content: space-between; font-size: var(--fs-sm); }
.session-info-item dt { color: var(--color-muted); }
.session-info-item dd { font-weight: 600; margin: 0; }

/* Pantallas de finalización */
.completion-screen {
  max-width: 560px;
  margin: var(--space-8) auto;
  text-align: center;
  padding: var(--space-7) var(--space-6);
}
.completion-screen__icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--color-success-soft);
  color: #14603E;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-5);
}
.completion-screen__icon svg { width: 30px; height: 30px; }
.completion-screen__eyebrow { color: var(--color-muted); font-size: var(--fs-sm); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.completion-screen__title { font-size: var(--fs-xl); font-weight: 700; margin: var(--space-2) 0 var(--space-4); }
.completion-screen__text { color: var(--color-ink-soft); margin-bottom: var(--space-6); }
.completion-screen__actions { display: flex; flex-direction: column; gap: var(--space-3); align-items: center; }
.completion-screen__note { font-size: var(--fs-sm); color: var(--color-muted); margin-top: var(--space-5); }

/* =========================================================================
   10. COMUNIDAD ABM
   ========================================================================= */
.tabs {
  display: flex;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}
.tabs__btn {
  background: none;
  border: none;
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--color-muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tabs__btn.is-active { color: var(--color-ink); border-color: var(--color-accent); }

.filter-bar {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
  align-items: center;
}
.filter-bar .input { max-width: 280px; }
.filter-bar .select { max-width: 200px; }

.library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.library-card { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); }
.library-card__type { font-size: var(--fs-xs); font-weight: 700; color: var(--color-accent); text-transform: uppercase; letter-spacing: 0.05em; }
.library-card__title { font-weight: 700; font-size: var(--fs-base); }
.library-card__desc { font-size: var(--fs-sm); color: var(--color-ink-soft); flex: 1; }
.library-card__meta { font-size: var(--fs-xs); color: var(--color-muted); display: flex; justify-content: space-between; align-items: center; margin-top: var(--space-2); }

.conversations-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.conversation-card { padding: var(--space-5); margin-bottom: var(--space-3); }
.conversation-card__top { display: flex; align-items: flex-start; gap: var(--space-3); }
.conversation-card__author { font-weight: 700; font-size: var(--fs-sm); }
.conversation-card__time { font-size: var(--fs-xs); color: var(--color-muted); }
.conversation-card__title { font-weight: 700; font-size: var(--fs-md); margin: var(--space-2) 0 var(--space-1); }
.conversation-card__body { color: var(--color-ink-soft); font-size: var(--fs-sm); margin-bottom: var(--space-3); }
.conversation-card__tags { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-3); }
.conversation-card__footer { display: flex; align-items: center; gap: var(--space-4); font-size: var(--fs-xs); color: var(--color-muted); font-weight: 600; }
.conversation-card--featured { border-color: var(--color-accent); }
.featured-flag { font-size: var(--fs-xs); font-weight: 700; color: var(--color-accent); margin-bottom: var(--space-2); display: inline-flex; align-items: center; gap: 4px; }

.event-card { display: flex; gap: var(--space-4); padding: var(--space-5); margin-bottom: var(--space-3); align-items: flex-start; }
.event-card__date {
  width: 64px; flex-shrink: 0;
  text-align: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-2);
}
.event-card__date-day { font-size: var(--fs-lg); font-weight: 700; line-height: 1; }
.event-card__date-month { font-size: var(--fs-xs); text-transform: uppercase; color: var(--color-muted); font-weight: 700; }
.event-card__type { font-size: var(--fs-xs); font-weight: 700; color: var(--color-accent); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.event-card__title { font-weight: 700; font-size: var(--fs-md); }
.event-card__meta { font-size: var(--fs-sm); color: var(--color-ink-soft); margin: var(--space-1) 0 var(--space-2); }
.event-card__desc { font-size: var(--fs-sm); color: var(--color-ink-soft); margin-bottom: var(--space-3); }
.event-card__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* =========================================================================
   11. MENTOR / PERFIL
   ========================================================================= */
.mentor-hero { display: flex; gap: var(--space-5); align-items: center; flex-wrap: wrap; }
.mentor-hero__name { font-size: var(--fs-xl); font-weight: 700; }
.mentor-hero__role { color: var(--color-accent); font-weight: 600; font-size: var(--fs-sm); margin: 2px 0 var(--space-2); }
.mentor-hero__desc { color: var(--color-ink-soft); font-size: var(--fs-sm); max-width: 520px; }

.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.info-item { padding: var(--space-4); }
.info-item__label { font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 4px; }
.info-item__value { font-weight: 600; }

.profile-header { display: flex; gap: var(--space-5); align-items: center; margin-bottom: var(--space-6); flex-wrap: wrap; }
.profile-header__name { font-size: var(--fs-xl); font-weight: 700; }
.profile-header__meta { color: var(--color-ink-soft); font-size: var(--fs-sm); margin-top: 2px; }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); margin-bottom: var(--space-6); }
.stat-card { padding: var(--space-5); text-align: center; }
.stat-card__value { font-size: var(--fs-2xl); font-weight: 700; }
.stat-card__label { font-size: var(--fs-sm); color: var(--color-muted); margin-top: 4px; }

.certificate-card { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-5); flex-wrap: wrap; }
.certificate-card__icon { width: 48px; height: 48px; border-radius: 50%; background: var(--color-locked-soft); color: var(--color-ink-soft); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.certificate-card__icon svg { width: 22px; height: 22px; }
.certificate-card.is-unlocked .certificate-card__icon { background: var(--color-success-soft); color: #14603E; }
.certificate-card__title { font-weight: 700; }
.certificate-card__text { font-size: var(--fs-sm); color: var(--color-ink-soft); margin-top: 2px; }

.preferences-list { display: flex; flex-direction: column; }
.preference-row { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) 0; border-bottom: 1px solid var(--color-border); gap: var(--space-4); }
.preference-row:last-child { border-bottom: none; }
.preference-row__title { font-weight: 600; font-size: var(--fs-sm); }
.preference-row__desc { font-size: var(--fs-xs); color: var(--color-muted); margin-top: 2px; }

.switch { position: relative; width: 42px; height: 24px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch__track {
  position: absolute; inset: 0; background: var(--color-locked-soft);
  border-radius: var(--radius-full); transition: background 0.15s ease; cursor: pointer;
}
.switch__track::before {
  content: ''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; transition: transform 0.15s ease; box-shadow: var(--shadow-sm);
}
.switch input:checked + .switch__track { background: var(--color-accent); }
.switch input:checked + .switch__track::before { transform: translateX(18px); }
.switch input:focus-visible + .switch__track { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* =========================================================================
   12. CENTRO DE AYUDA
   ========================================================================= */
.help-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); margin-bottom: var(--space-7); }
.help-option { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); }
.help-option__icon { width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--color-accent-soft); color: var(--color-accent); display: flex; align-items: center; justify-content: center; }
.help-option__icon svg { width: 20px; height: 20px; }
.help-option__title { font-weight: 700; font-size: var(--fs-md); }
.help-option__text { color: var(--color-ink-soft); font-size: var(--fs-sm); flex: 1; }

.accordion { border-top: 1px solid var(--color-border); }
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-2);
  background: none;
  border: none;
  font-weight: 700;
  font-size: var(--fs-base);
  text-align: left;
  color: var(--color-ink);
}
.accordion-item__trigger svg { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.2s ease; color: var(--color-muted); }
.accordion-item.is-open .accordion-item__trigger svg { transform: rotate(180deg); }
.accordion-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.accordion-item__panel-inner { padding: 0 var(--space-2) var(--space-4); color: var(--color-ink-soft); font-size: var(--fs-sm); }
.accordion-group { margin-bottom: var(--space-6); }
.accordion-group__title { font-weight: 700; font-size: var(--fs-md); margin-bottom: var(--space-2); }

.file-drop {
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
  color: var(--color-muted);
  font-size: var(--fs-sm);
  cursor: pointer;
  background: var(--color-bg);
}
.file-drop:hover { border-color: var(--color-accent); }
.file-drop.has-file { color: var(--color-ink); border-color: var(--color-accent); background: var(--color-accent-soft); font-weight: 600; }

/* =========================================================================
   13. LOGIN / RECUPERAR / ONBOARDING
   ========================================================================= */
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.auth-shell__visual {
  background: var(--color-ink);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-8);
}
.auth-shell__visual-logo { display: flex; align-items: center; gap: var(--space-2); }
.auth-shell__visual-logo svg { width: 34px; height: 26px; }
.auth-shell__visual-quote { font-size: var(--fs-lg); font-weight: 600; max-width: 420px; line-height: 1.4; }
.auth-shell__visual-quote span { color: var(--color-accent); }
.auth-shell__visual-foot { font-size: var(--fs-xs); color: rgba(255,255,255,0.5); }

.auth-shell__form {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.auth-form { width: 100%; max-width: 400px; }
.auth-form__logo-mobile { display: none; margin-bottom: var(--space-6); }
.auth-form__title { font-size: var(--fs-xl); font-weight: 700; margin-bottom: var(--space-2); }
.auth-form__subtitle { color: var(--color-ink-soft); font-size: var(--fs-sm); margin-bottom: var(--space-6); }
.auth-form__footer { margin-top: var(--space-5); text-align: center; font-size: var(--fs-sm); color: var(--color-ink-soft); }
.auth-form__footer a { color: var(--color-accent); font-weight: 600; }
.auth-form__row { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); flex-wrap: wrap; gap: var(--space-2); }
.auth-form__link { font-size: var(--fs-sm); font-weight: 600; color: var(--color-accent); }
.auth-success { text-align: center; padding: var(--space-6) 0; }
.auth-success__icon { width: 56px; height: 56px; border-radius: 50%; background: var(--color-success-soft); color: #14603E; display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-4); }

.onboarding-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.onboarding-card {
  width: 100%;
  max-width: 560px;
  padding: var(--space-7) var(--space-6);
  position: relative;
}
.onboarding-progress { display: flex; gap: var(--space-2); margin-bottom: var(--space-6); }
.onboarding-progress__seg { height: 4px; flex: 1; border-radius: var(--radius-full); background: var(--color-border); }
.onboarding-progress__seg.is-active { background: var(--color-accent); }
.onboarding-step { display: none; text-align: center; }
.onboarding-step.is-active { display: block; }
.onboarding-step__icon { width: 64px; height: 64px; border-radius: 50%; background: var(--color-accent-soft); color: var(--color-accent); display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-5); }
.onboarding-step__icon svg { width: 28px; height: 28px; }
.onboarding-step__eyebrow { color: var(--color-accent); font-weight: 700; font-size: var(--fs-sm); margin-bottom: var(--space-2); }
.onboarding-step__title { font-size: var(--fs-xl); font-weight: 700; margin-bottom: var(--space-3); }
.onboarding-step__text { color: var(--color-ink-soft); margin-bottom: var(--space-5); }
.onboarding-step__highlight { font-weight: 700; color: var(--color-ink); font-size: var(--fs-md); }
.onboarding-step__list { text-align: left; display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-5); }
.onboarding-step__list li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--fs-sm); }
.onboarding-step__list li strong { display: block; }
.onboarding-mentor { display: flex; gap: var(--space-4); align-items: center; text-align: left; background: var(--color-bg); border-radius: var(--radius-md); padding: var(--space-4); margin-bottom: var(--space-5); }
.onboarding-mentor__name { font-weight: 700; }
.onboarding-mentor__role { font-size: var(--fs-sm); color: var(--color-accent); font-weight: 600; }
.onboarding-mentor__desc { font-size: var(--fs-sm); color: var(--color-ink-soft); margin-top: 4px; }
.onboarding-actions { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-6); gap: var(--space-3); }
.onboarding-dots { display: flex; gap: 6px; }
.onboarding-dots__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-border-strong); }
.onboarding-dots__dot.is-active { background: var(--color-accent); width: 18px; border-radius: var(--radius-full); }

/* =========================================================================
   14. UTILIDADES: TOASTS, ESTADOS, SPINNER
   ========================================================================= */
.toast-stack {
  position: fixed;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 300;
  width: min(92vw, 420px);
}
.toast {
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast--success { background: #14603E; }
.toast--error { background: #8C2A22; }
.toast--info { background: var(--color-ink); }

.empty-state, .loading-state, .error-state {
  text-align: center;
  padding: var(--space-7) var(--space-5);
  color: var(--color-ink-soft);
}
.empty-state__icon { font-size: 2rem; margin-bottom: var(--space-3); opacity: 0.5; }
.empty-state__title { font-weight: 700; color: var(--color-ink); margin-bottom: var(--space-1); }
.empty-state__text { font-size: var(--fs-sm); }
.error-state__title { font-weight: 700; color: var(--color-danger); margin-bottom: var(--space-1); }
.error-state__text { font-size: var(--fs-sm); margin-bottom: var(--space-4); }

.spinner {
  display: inline-block;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2.5px solid var(--color-border-strong);
  border-top-color: var(--color-accent);
  animation: abm-spin 0.7s linear infinite;
  margin-bottom: var(--space-3);
}
@keyframes abm-spin { to { transform: rotate(360deg); } }

.offline-banner {
  background: var(--color-warning-soft);
  color: #8A5A0A;
  text-align: center;
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: var(--space-2);
  display: none;
}
.offline-banner.is-visible { display: block; }

.footer-note {
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--color-muted);
  padding: var(--space-6) var(--space-4);
}

/* =========================================================================
   15. RESPONSIVE
   ========================================================================= */

/* Tablet */
@media (max-width: 1024px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .session-layout { grid-template-columns: 1fr; }
  .library-grid { grid-template-columns: repeat(2, 1fr); }
  .module-summary { grid-template-columns: 1fr; }
  .quick-links { grid-template-columns: repeat(4, 1fr); }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-shell__visual { display: none; }
  .info-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .header__nav { display: none; }
  .header__menu-toggle { display: inline-flex; }
  .header__actions .btn--platform span { display: none; }
  .header__actions .btn--platform { padding: var(--space-3); }
  .header__mobile-cta span { display: inline; }
  .page-main { padding: var(--space-5) var(--space-4) var(--space-7); }
  .module-card { grid-template-columns: auto 1fr; }
  .module-card__cta { grid-column: 1 / -1; flex-direction: row; justify-content: flex-end; }
  .help-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
}

/* Mobile */
@media (max-width: 640px) {
  .page-title { font-size: var(--fs-xl); }
  .modules-grid { grid-template-columns: 1fr; }
  .quick-links { grid-template-columns: repeat(2, 1fr); }
  .library-grid { grid-template-columns: 1fr; }
  .materials-grid { grid-template-columns: 1fr; }
  .welcome-row { flex-direction: column; align-items: stretch; }
  .continue-banner { min-width: 0; }
  .hero-card__top { flex-direction: column; }
  .ring { align-self: flex-start; }
  .session-row { grid-template-columns: auto 1fr; row-gap: var(--space-2); }
  .session-row__action { grid-column: 1 / -1; text-align: left; }
  .session-nav { flex-direction: column; align-items: stretch; }
  .session-nav .btn { width: 100%; }
  .implement-banner { flex-direction: column; align-items: stretch; }
  .implement-block__actions { flex-direction: column; align-items: stretch; }
  .implement-block__actions .btn { width: 100%; justify-content: center; }
  .stat-grid { grid-template-columns: 1fr; }
  .info-item { padding: var(--space-3) 0; }
  .auth-form__logo-mobile { display: flex; align-items: center; gap: var(--space-2); }
  .certificate-card { flex-direction: column; align-items: flex-start; }
  .event-card { flex-direction: column; }
  .event-card__date { width: auto; align-self: flex-start; }
  .profile-header { flex-direction: column; align-items: flex-start; text-align: left; }
}