/* Paginas pilar v0.30.1 — sistema editorial interactivo compartido.
   v0.30.1: bloque TL;DR + sección "errores comunes" + area tags en tabla. */

.pillar-body {
  --pillar-accent: #0369a1;
  --pillar-accent-strong: #075985;
  --pillar-accent-soft: color-mix(in srgb, var(--pillar-accent) 11%, var(--c-surface));
  --pillar-line: color-mix(in srgb, var(--pillar-accent) 24%, var(--c-border));
  background:
    radial-gradient(circle at 8% 15%, color-mix(in srgb, var(--pillar-accent) 7%, transparent) 0, transparent 24rem),
    var(--c-bg);
}

.pillar-body[data-pillar="preu"] {
  --pillar-accent: #6d28d9;
  --pillar-accent-strong: #5b21b6;
}

.pillar-body[data-pillar="financiamiento"] {
  --pillar-accent: #15803d;
  --pillar-accent-strong: #166534;
}

.pillar-body[data-pillar="empleabilidad"] {
  --pillar-accent: #7c3aed;
  --pillar-accent-strong: #6d28d9;
}

.pillar-body[data-pillar="universidad"] {
  --pillar-accent: #2563eb;
  --pillar-accent-strong: #1d4ed8;
}

[data-theme="dark"] .pillar-body,
[data-theme="dark"].pillar-body {
  --pillar-accent: #38bdf8;
  --pillar-accent-strong: #7dd3fc;
}

[data-theme="dark"] .pillar-body[data-pillar="preu"],
[data-theme="dark"].pillar-body[data-pillar="preu"] {
  --pillar-accent: #c4b5fd;
  --pillar-accent-strong: #ddd6fe;
}

[data-theme="dark"] .pillar-body[data-pillar="financiamiento"],
[data-theme="dark"].pillar-body[data-pillar="financiamiento"] {
  --pillar-accent: #4ade80;
  --pillar-accent-strong: #86efac;
}

[data-theme="dark"] .pillar-body[data-pillar="empleabilidad"],
[data-theme="dark"].pillar-body[data-pillar="empleabilidad"] {
  --pillar-accent: #c4b5fd;
  --pillar-accent-strong: #ddd6fe;
}

[data-theme="dark"] .pillar-body[data-pillar="universidad"],
[data-theme="dark"].pillar-body[data-pillar="universidad"] {
  --pillar-accent: #60a5fa;
  --pillar-accent-strong: #93c5fd;
}

.pillar-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  height: 3px;
  pointer-events: none;
}

.pillar-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--pillar-accent);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.pillar-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.75rem, 8vw, 7rem) 0 clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--c-border);
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--pillar-accent) 13%, var(--c-surface)) 0%, var(--c-bg) 54%, color-mix(in srgb, var(--c-brand) 15%, var(--c-bg)) 100%);
}

.pillar-hero::before,
.pillar-hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.pillar-hero::before {
  width: 28rem;
  height: 28rem;
  right: -12rem;
  top: -15rem;
  border: 1px solid color-mix(in srgb, var(--pillar-accent) 24%, transparent);
}

.pillar-hero::after {
  width: 18rem;
  height: 18rem;
  right: -7rem;
  top: -10rem;
  border: 1px solid color-mix(in srgb, var(--pillar-accent) 16%, transparent);
}

.pillar-hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.65fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
}

.pillar-hero-copy {
  max-width: 49rem;
}

.pillar-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  color: var(--c-text-muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.pillar-breadcrumb a {
  color: inherit;
}

.pillar-breadcrumb a:hover {
  color: var(--pillar-accent);
}

.pillar-eyebrow,
.pillar-section-kicker,
.pillar-summary-label,
.pillar-link-kicker,
.pillar-source-type {
  display: block;
  color: var(--pillar-accent-strong);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  line-height: 1.3;
  text-transform: uppercase;
}

.pillar-hero h1 {
  max-width: 48rem;
  margin: 0.8rem 0 1.35rem;
  font-size: clamp(2.5rem, 5.7vw, 5.3rem);
  letter-spacing: -0.065em;
  line-height: 0.98;
  text-wrap: balance;
}

.pillar-hero-copy > p {
  max-width: 46rem;
  margin: 0;
  color: var(--c-text-muted);
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  line-height: 1.72;
}

.pillar-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.pillar-button {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.2;
  transition: transform var(--t-base), box-shadow var(--t-base), background var(--t-base);
}

.pillar-button:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.pillar-button--primary {
  background: var(--c-text);
  color: var(--c-bg);
  box-shadow: 0 4px 0 color-mix(in srgb, var(--c-text) 45%, transparent);
}

.pillar-button--primary:hover {
  background: var(--pillar-accent-strong);
  color: var(--c-bg);
  box-shadow: 0 5px 0 color-mix(in srgb, var(--pillar-accent) 35%, transparent);
}

.pillar-button--secondary {
  background: color-mix(in srgb, var(--c-surface) 82%, transparent);
  color: var(--c-text);
  border-color: var(--c-border);
  backdrop-filter: blur(8px);
}

.pillar-button--secondary:hover {
  color: var(--c-text);
  border-color: var(--pillar-accent);
  background: var(--c-surface);
}

.pillar-summary {
  padding: 1.35rem;
  border: 1px solid var(--pillar-line);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--c-surface) 91%, transparent);
  box-shadow: var(--sh-lg);
  backdrop-filter: blur(12px);
}

.pillar-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 1rem 0;
  border-block: 1px solid var(--c-border);
}

.pillar-summary-grid > div {
  min-width: 0;
  padding: 1rem 0.55rem;
  border-right: 1px solid var(--c-border);
}

.pillar-summary-grid > div:first-child {
  padding-left: 0;
}

.pillar-summary-grid > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.pillar-summary strong,
.pillar-summary span {
  display: block;
}

.pillar-summary strong {
  color: var(--c-text);
  font-size: 1.08rem;
  white-space: nowrap;
}

.pillar-summary-grid span {
  margin-top: 0.25rem;
  color: var(--c-text-muted);
  font-size: 0.68rem;
  line-height: 1.35;
}

.pillar-summary > p {
  margin: 0;
  color: var(--c-text-muted);
  font-size: 0.83rem;
  line-height: 1.55;
}

.pillar-index-section,
.pillar-content-section,
.pillar-resources-section,
.pillar-tools-section,
.pillar-sources-section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  scroll-margin-top: 5.5rem;
}

.pillar-index-section {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
}

.pillar-section-heading {
  max-width: 42rem;
  margin-bottom: 1.75rem;
}

.pillar-section-heading h2 {
  margin-top: 0.55rem;
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  letter-spacing: -0.045em;
}

.pillar-section-heading p {
  margin: 0.7rem 0 0;
  color: var(--c-text-muted);
}

.pillar-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.pillar-index-link {
  min-height: 4.7rem;
  display: grid;
  grid-template-columns: 2.45rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: center;
  padding: 0.85rem 1rem;
  color: var(--c-text);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg);
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.35;
  transition: border-color var(--t-base), background var(--t-base), transform var(--t-base);
}

.pillar-index-link:hover,
.pillar-index-link.is-active {
  color: var(--c-text);
  text-decoration: none;
  border-color: var(--pillar-accent);
  background: var(--pillar-accent-soft);
  transform: translateY(-1px);
}

.pillar-index-num,
.pillar-card-number {
  color: var(--pillar-accent-strong);
  font-family: var(--f-mono);
  font-weight: 800;
}

.pillar-index-num {
  width: 2.45rem;
  height: 2.45rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--pillar-line);
  border-radius: 50%;
  background: var(--c-surface);
  font-size: 0.75rem;
}

.pillar-content-section {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--pillar-accent) 4%, var(--c-bg)), var(--c-bg) 20rem);
}

.pillar-content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.pillar-content-card {
  min-width: 0;
  padding: clamp(1.4rem, 3vw, 2.25rem);
  scroll-margin-top: 6rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  box-shadow: var(--sh-sm);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.pillar-content-card:hover,
.pillar-content-card.is-current {
  border-color: var(--pillar-line);
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
}

.pillar-card-topline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.pillar-card-number {
  font-size: 0.78rem;
}

.pillar-card-rule {
  width: 2.75rem;
  height: 2px;
  background: var(--pillar-accent);
}

.pillar-content-card h2 {
  max-width: 31rem;
  margin-bottom: 1rem;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.pillar-content-card p {
  margin: 0;
  color: var(--c-text-muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.pillar-card-back {
  display: inline-block;
  margin-top: 1.35rem;
  color: var(--pillar-accent-strong);
  font-family: var(--f-mono);
  font-size: 0.7rem;
  font-weight: 750;
  text-transform: uppercase;
}

.pillar-resources-section,
.pillar-sources-section {
  border-block: 1px solid var(--c-border);
  background: var(--c-surface);
}

.pillar-link-grid,
.pillar-source-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.pillar-link-card,
.pillar-source-card {
  min-height: 13rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.35rem;
  color: var(--c-text);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-bg);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.pillar-link-card:hover,
.pillar-source-card:hover {
  color: var(--c-text);
  text-decoration: none;
  border-color: var(--pillar-accent);
  box-shadow: var(--sh-md);
  transform: translateY(-3px);
}

.pillar-link-card strong,
.pillar-source-card strong {
  margin-top: 1.25rem;
  font-size: 1.08rem;
  line-height: 1.3;
}

.pillar-link-card > span:not(.pillar-link-kicker):not(.pillar-link-action),
.pillar-source-card > span:not(.pillar-source-type) {
  margin-top: 0.6rem;
  color: var(--c-text-muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.pillar-link-action {
  margin-top: auto;
  padding-top: 1.4rem;
  color: var(--pillar-accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
}

.pillar-tools-section {
  background: var(--c-bg);
}

.pillar-tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.pillar-tool-card {
  display: grid;
  grid-template-columns: 0.8rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  min-height: 7.5rem;
  padding: 1.2rem;
  color: var(--c-text);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  box-shadow: var(--sh-sm);
}

.pillar-tool-card:hover {
  color: var(--c-text);
  text-decoration: none;
  border-color: var(--pillar-accent);
  box-shadow: var(--sh-md);
}

.pillar-tool-mark {
  width: 0.55rem;
  height: 3.1rem;
  border-radius: 999px;
  background: var(--pillar-accent);
}

.pillar-tool-card strong,
.pillar-tool-card small {
  display: block;
}

.pillar-tool-card strong {
  font-size: 1rem;
}

.pillar-tool-card small {
  margin-top: 0.3rem;
  color: var(--c-text-muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.pillar-tool-action {
  padding: 0.5rem 0.7rem;
  color: var(--pillar-accent-strong);
  border: 1px solid var(--pillar-line);
  border-radius: var(--r-sm);
  font-size: 0.75rem;
  font-weight: 800;
}

.pillar-source-card {
  min-height: 11rem;
}

.pillar-source-card strong {
  margin-top: 0.9rem;
}

.pillar-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 45;
  min-width: 3.5rem;
  min-height: 2.7rem;
  padding: 0.65rem 0.85rem;
  color: var(--c-bg);
  border: 1px solid var(--c-text);
  border-radius: var(--r-md);
  background: var(--c-text);
  box-shadow: var(--sh-md);
  font-size: 0.75rem;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.75rem);
  transition: opacity var(--t-base), transform var(--t-base);
}

.pillar-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.pillar-top:focus-visible,
.pillar-button:focus-visible,
.pillar-index-link:focus-visible,
.pillar-link-card:focus-visible,
.pillar-tool-card:focus-visible,
.pillar-source-card:focus-visible {
  outline: 3px solid var(--pillar-accent);
  outline-offset: 3px;
}

/* Modificadores y componentes de contenido enriquecido v0.30.0 */
.pillar-content-grid--full,
.pillar-content-card--full {
  grid-column: 1 / -1;
}

.pillar-card-lead {
  font-size: 1.05rem;
  line-height: 1.72;
  color: var(--c-text);
  margin-bottom: 1.35rem;
}

.pillar-card-footer {
  margin-top: 1.75rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Callouts / Cajas de aviso */
.pillar-callout {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.15rem 1.25rem;
  margin: 1.25rem 0;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: var(--c-surface-2);
}

.pillar-callout--tip {
  border-color: color-mix(in srgb, var(--pillar-accent) 35%, var(--c-border));
  background: color-mix(in srgb, var(--pillar-accent) 6%, var(--c-surface));
}

.pillar-callout--alert {
  border-color: color-mix(in srgb, var(--c-warn) 35%, var(--c-border));
  background: color-mix(in srgb, var(--c-warn) 8%, var(--c-surface));
}

.pillar-callout-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.55rem;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--pillar-accent-strong);
  flex-shrink: 0;
}

.pillar-callout--alert .pillar-callout-indicator {
  color: var(--c-warn);
  border-color: color-mix(in srgb, var(--c-warn) 35%, var(--c-border));
}

.pillar-callout-content {
  flex: 1;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--c-text);
}

.pillar-callout-content strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.96rem;
}

/* Grillas secundarias de tarjetas */
.pillar-subgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

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

.pillar-subgrid--4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Tarjetas pequeñas dentro de secciones */
.pillar-mini-card {
  padding: 1.15rem;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  transition: border-color var(--t-base), transform var(--t-base);
}

.pillar-mini-card:hover {
  border-color: var(--pillar-line);
  transform: translateY(-2px);
}

.pillar-mini-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.pillar-badge {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--pillar-accent) 12%, var(--c-surface));
  color: var(--pillar-accent-strong);
  border: 1px solid color-mix(in srgb, var(--pillar-accent) 25%, transparent);
}

.pillar-badge--highlight {
  background: var(--c-brand);
  color: var(--c-brand-text);
  border-color: #d97706;
}

.pillar-badge--success {
  background: color-mix(in srgb, var(--c-success) 14%, var(--c-surface));
  color: var(--c-success);
  border-color: color-mix(in srgb, var(--c-success) 28%, transparent);
}

.pillar-mini-card h3,
.pillar-mini-card h4 {
  font-size: 1.05rem;
  margin: 0 0 0.45rem;
  letter-spacing: -0.02em;
}

.pillar-mini-card p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--c-text-muted);
  margin: 0;
}

/* Timeline / Hitos clave */
.pillar-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.pillar-timeline-card {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  align-items: flex-start;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}

.pillar-timeline-card:hover {
  border-color: var(--pillar-line);
  box-shadow: var(--sh-sm);
}

.pillar-timeline-card.is-highlight {
  border-color: var(--pillar-accent);
  background: color-mix(in srgb, var(--pillar-accent) 5%, var(--c-bg));
  box-shadow: 0 0 0 1px var(--pillar-accent);
}

.pillar-timeline-date {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.pillar-timeline-day {
  font-family: var(--f-mono);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--c-text);
}

.pillar-timeline-time {
  font-family: var(--f-mono);
  font-size: 0.76rem;
  color: var(--c-text-muted);
}

.pillar-timeline-main h3 {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

.pillar-timeline-main p {
  font-size: 0.88rem;
  line-height: 1.58;
  color: var(--c-text-muted);
  margin: 0;
}

.pillar-timeline-action {
  margin-top: 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 750;
  color: var(--pillar-accent-strong);
}

/* Tarjetas de Rangos de Puntaje */
.pillar-tier-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  position: relative;
  overflow: hidden;
  transition: transform var(--t-base), border-color var(--t-base);
}

.pillar-tier-card:hover {
  transform: translateY(-2px);
  border-color: var(--pillar-line);
}

.pillar-tier-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pillar-line);
}

.pillar-tier-card[data-tier="top"]::before {
  background: #10b981;
}

.pillar-tier-card[data-tier="competitive"]::before {
  background: #0284c7;
}

.pillar-tier-card[data-tier="medium"]::before {
  background: #f59e0b;
}

.pillar-tier-card[data-tier="base"]::before {
  background: #8b5cf6;
}

.pillar-tier-score {
  font-family: var(--f-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: 0.2rem;
}

.pillar-tier-label {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pillar-accent-strong);
  margin-bottom: 0.75rem;
}

.pillar-tier-desc {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--c-text-muted);
  margin: 0 0 0.85rem;
}

.pillar-tier-examples {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--c-border);
  font-size: 0.78rem;
  color: var(--c-text-soft);
}

.pillar-tier-examples strong {
  color: var(--c-text);
}

/* Desglose de Fórmula Ponderada */
.pillar-formula-box {
  padding: 1.25rem;
  margin: 1.5rem 0;
  border-radius: var(--r-md);
  border: 1px dashed var(--pillar-line);
  background: color-mix(in srgb, var(--pillar-accent) 4%, var(--c-surface));
}

.pillar-formula-title {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pillar-accent-strong);
  margin-bottom: 0.6rem;
}

.pillar-formula-math {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--f-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 0.85rem;
}

.pillar-formula-pill {
  padding: 0.35rem 0.65rem;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
}

.pillar-formula-plus {
  color: var(--c-text-muted);
}

/* Flujo de Pasos (Apelaciones y Checklist) */
.pillar-steps-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.pillar-step-card {
  padding: 1.25rem;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-base), transform var(--t-base);
}

.pillar-step-card:hover {
  border-color: var(--pillar-line);
  transform: translateY(-2px);
}

.pillar-step-num {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--pillar-accent);
  color: var(--c-bg);
  font-family: var(--f-mono);
  font-size: 0.82rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
}

.pillar-step-card h3 {
  font-size: 1rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

.pillar-step-card p {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--c-text-muted);
  margin: 0;
}

/* Tabla de datos */
.pillar-table-box {
  width: 100%;
  overflow-x: auto;
  margin: 1.25rem 0;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}

.pillar-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  text-align: left;
}

.pillar-table th,
.pillar-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--c-border);
}

.pillar-table th {
  background: var(--c-surface-2);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text-muted);
}

.pillar-table tr:last-child td {
  border-bottom: 0;
}

.pillar-table td strong {
  color: var(--c-text);
}

/* Tags de area en tabla de carreras (v0.30.1) */
.pillar-area-tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--r-sm);
  margin-bottom: 0.4rem;
  background: var(--c-surface-2);
  color: var(--c-text-muted);
  border: 1px solid var(--c-border);
}

.pillar-area-tag--salud {
  background: color-mix(in srgb, #10b981 12%, var(--c-surface));
  color: #047857;
  border-color: color-mix(in srgb, #10b981 30%, var(--c-border));
}

.pillar-area-tag--ingenieria {
  background: color-mix(in srgb, #0284c7 12%, var(--c-surface));
  color: #075985;
  border-color: color-mix(in srgb, #0284c7 30%, var(--c-border));
}

.pillar-area-tag--humanidades {
  background: color-mix(in srgb, #8b5cf6 12%, var(--c-surface));
  color: #6d28d9;
  border-color: color-mix(in srgb, #8b5cf6 30%, var(--c-border));
}

.pillar-area-tag--educacion {
  background: color-mix(in srgb, #f59e0b 12%, var(--c-surface));
  color: #b45309;
  border-color: color-mix(in srgb, #f59e0b 30%, var(--c-border));
}

[data-theme="dark"] .pillar-area-tag--salud { color: #34d399; }
[data-theme="dark"] .pillar-area-tag--ingenieria { color: #38bdf8; }
[data-theme="dark"] .pillar-area-tag--humanidades { color: #c4b5fd; }
[data-theme="dark"] .pillar-area-tag--educacion { color: #fbbf24; }

/* Bloque TL;DR v0.30.1 - lectura en 30 segundos */
.pillar-tldr-section {
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
}

.pillar-tldr-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.pillar-tldr-card {
  position: relative;
  padding: 1.5rem 1.35rem 1.35rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  box-shadow: var(--sh-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.pillar-tldr-card:hover {
  transform: translateY(-2px);
  border-color: var(--pillar-line);
  box-shadow: var(--sh-md);
}

.pillar-tldr-num {
  position: absolute;
  top: -0.85rem;
  left: 1.1rem;
  display: inline-grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--c-bg);
  background: var(--pillar-accent);
  border-radius: 50%;
  box-shadow: 0 2px 0 color-mix(in srgb, var(--pillar-accent) 50%, transparent);
}

.pillar-tldr-card h3 {
  margin: 0.5rem 0 0.65rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--c-text);
}

.pillar-tldr-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--c-text-muted);
}

.pillar-tldr-card code {
  font-size: 0.82rem;
  padding: 0.05rem 0.3rem;
  border-radius: var(--r-sm);
  background: var(--c-surface-2);
}

/* Seccion de errores comunes v0.30.1 */
.pillar-errors-section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
}

.pillar-errors-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.pillar-error-card {
  position: relative;
  padding: 1.5rem 1.35rem 1.25rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.pillar-error-card:hover {
  transform: translateY(-2px);
  border-color: var(--pillar-line);
  box-shadow: var(--sh-md);
}

.pillar-error-card[data-tone="alert"] {
  border-color: color-mix(in srgb, var(--c-warn) 40%, var(--c-border));
  background: color-mix(in srgb, var(--c-warn) 4%, var(--c-bg));
}

.pillar-error-card[data-tone="alert"]:hover {
  border-color: var(--c-warn);
}

.pillar-error-num {
  position: absolute;
  top: -0.85rem;
  left: 1.1rem;
  display: inline-grid;
  place-items: center;
  min-width: 2.1rem;
  height: 1.7rem;
  padding: 0 0.55rem;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--c-bg);
  background: var(--c-text);
  border-radius: 999px;
}

.pillar-error-card[data-tone="alert"] .pillar-error-num {
  background: var(--c-warn);
  color: var(--c-warn-contrast);
}

.pillar-error-card h3 {
  margin: 0.5rem 0 0.65rem;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  line-height: 1.32;
  color: var(--c-text);
}

.pillar-error-card p {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--c-text-muted);
}

.pillar-error-tip {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--c-border);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--pillar-accent-strong);
  font-weight: 700;
  display: flex;
  gap: 0.4rem;
  align-items: flex-start;
}

.pillar-error-tip::before {
  content: "→";
  font-weight: 800;
  flex-shrink: 0;
}


@media (max-width: 900px) {
  .pillar-hero-layout {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .pillar-summary {
    max-width: 38rem;
  }

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

@media (max-width: 639px) {
  .pillar-hero {
    padding: 2.8rem 0 3.25rem;
  }

  .pillar-hero-layout {
    gap: 2rem;
  }

  .pillar-hero h1 {
    font-size: clamp(2.25rem, 12vw, 3.35rem);
  }

  .pillar-hero-copy > p {
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .pillar-hero-actions,
  .pillar-button {
    width: 100%;
  }

  .pillar-index-section,
  .pillar-content-section,
  .pillar-resources-section,
  .pillar-tools-section,
  .pillar-sources-section {
    padding: 3.5rem 0;
  }

  .pillar-index,
  .pillar-content-grid,
  .pillar-link-grid,
  .pillar-tool-grid,
  .pillar-source-grid {
    grid-template-columns: 1fr;
  }

  .pillar-content-card {
    padding: 1.3rem;
  }

  .pillar-card-back {
    display: none;
  }

  .pillar-link-card,
  .pillar-source-card {
    min-height: 0;
  }

  .pillar-timeline-card {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .pillar-tldr-grid,
  .pillar-errors-grid {
    grid-template-columns: 1fr;
  }

  .pillar-tldr-num,
  .pillar-error-num {
    top: -0.7rem;
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.66rem;
  }

  .pillar-error-card[data-tone="alert"] .pillar-error-num,
  .pillar-error-num {
    min-width: 1.8rem;
    padding: 0 0.4rem;
  }

  .pillar-subgrid,
  .pillar-subgrid--2,
  .pillar-subgrid--4,
  .pillar-steps-flow {
    grid-template-columns: 1fr;
  }

  .pillar-callout {
    flex-direction: column;
    gap: 0.6rem;
  }

  .pillar-formula-math {
    font-size: 0.82rem;
  }

  .pillar-tool-card {
    grid-template-columns: 0.55rem minmax(0, 1fr);
  }

  .pillar-tool-mark {
    width: 0.45rem;
  }

  .pillar-tool-action {
    display: none;
  }
}

@media (max-width: 360px) {
  .pillar-summary {
    padding: 1rem;
  }

  .pillar-summary-grid > div {
    padding-inline: 0.35rem;
  }

  .pillar-summary strong {
    font-size: 0.94rem;
  }

  .pillar-index-link {
    grid-template-columns: 2.1rem minmax(0, 1fr);
    padding-inline: 0.75rem;
  }

  .pillar-index-num {
    width: 2.1rem;
    height: 2.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pillar-progress span,
  .pillar-top,
  .pillar-button,
  .pillar-index-link,
  .pillar-content-card,
  .pillar-link-card,
  .pillar-source-card {
    transition: none;
  }

  .pillar-button:hover,
  .pillar-index-link:hover,
  .pillar-content-card:hover,
  .pillar-link-card:hover,
  .pillar-source-card:hover {
    transform: none;
  }
}