/* ═══════════════════════════════════════════════════════════════════════
 * /content/content.css — Estilos del motor de contenido público.
 *
 * Tokens y paleta OMB (idénticos al marketing y /app/):
 *   #0279FF — azul primario
 *   #86C6FF — azul claro
 *   #FF60EE — rosa acento
 *   #515559 — gris brand
 *   #000000 — negro
 *
 * Modos light/dark via data-theme="" en <html>. Por defecto: light, fondo
 * limpio tipo Stripe/Linear docs. Tipografía Ubuntu para titulares, Inter
 * para body — mismo stack que la app y el marketing.
 * ════════════════════════════════════════════════════════════════════ */

:root {
  --ct-blue: #0279FF;
  --ct-blue-soft: #86C6FF;
  --ct-pink: #FF60EE;
  --ct-bd: #E5E7EB;
  --ct-bd-strong: #D1D5DB;
  --ct-text: #0B1220;
  --ct-text-soft: #4B5563;
  --ct-muted: #6B7280;
  --ct-bg: #FFFFFF;
  --ct-bg-soft: #F8FAFC;
  --ct-bg-card: #FFFFFF;
  --ct-accent-bg: rgba(2,121,255,.06);
  --ct-radius: 12px;
  --ct-radius-sm: 8px;
}

[data-theme="dark"] {
  --ct-bd: #1F2937;
  --ct-bd-strong: #374151;
  --ct-text: #F3F4F6;
  --ct-text-soft: #D1D5DB;
  --ct-muted: #9CA3AF;
  --ct-bg: #0B1220;
  --ct-bg-soft: #0F172A;
  --ct-bg-card: #111827;
  --ct-accent-bg: rgba(2,121,255,.12);
}

* { box-sizing: border-box; }

.ct-body {
  margin: 0;
  background: var(--ct-bg);
  color: var(--ct-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ct-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Topbar ────────────────────────────────────────────────────────── */
.ct-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ct-bd);
}
[data-theme="dark"] .ct-topbar { background: rgba(11,18,32,.92); }

.ct-topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: .8rem 1.5rem;
}

.ct-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--ct-text);
  flex-shrink: 0;
}
.ct-brand:hover { text-decoration: none; }
.ct-brand img { display: block; }
.ct-brand-sep {
  width: 1px;
  height: 22px;
  background: var(--ct-bd-strong);
}
.ct-brand-aes {
  font-family: 'Ubuntu', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ct-text-soft);
}

.ct-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex: 1;
}
.ct-nav-link {
  padding: .45rem .8rem;
  border-radius: 8px;
  color: var(--ct-text-soft);
  font-size: .89rem;
  font-weight: 500;
  white-space: nowrap;
}
.ct-nav-link:hover {
  background: var(--ct-bg-soft);
  color: var(--ct-text);
  text-decoration: none;
}
.ct-nav-link.is-active {
  background: var(--ct-accent-bg);
  color: var(--ct-blue);
}

.ct-topbar-right {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

.ct-lang { position: relative; }
.ct-lang summary { list-style: none; }
.ct-lang summary::-webkit-details-marker { display: none; }
.ct-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .45rem .7rem;
  border-radius: 8px;
  background: transparent;
  border: 1px solid var(--ct-bd);
  color: var(--ct-text-soft);
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
}
.ct-lang-btn:hover { background: var(--ct-bg-soft); }
.ct-lang-menu {
  list-style: none;
  margin: .35rem 0 0;
  padding: .4rem;
  position: absolute;
  right: 0;
  top: 100%;
  background: var(--ct-bg-card);
  border: 1px solid var(--ct-bd);
  border-radius: var(--ct-radius-sm);
  min-width: 160px;
  box-shadow: 0 6px 24px rgba(0,0,0,.08);
}
.ct-lang-menu li { margin: 0; }
.ct-lang-menu a {
  display: block;
  padding: .45rem .7rem;
  border-radius: 6px;
  font-size: .85rem;
  color: var(--ct-text-soft);
}
.ct-lang-menu a:hover { background: var(--ct-bg-soft); text-decoration: none; }
.ct-lang-menu a.is-current { color: var(--ct-blue); font-weight: 600; }

.ct-cta {
  padding: .5rem .95rem;
  background: var(--ct-blue);
  color: #fff;
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 600;
}
.ct-cta:hover {
  background: color-mix(in srgb, var(--ct-blue) 88%, black);
  color: #fff;
  text-decoration: none;
}

/* ── Main ──────────────────────────────────────────────────────────── */
.ct-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  min-height: 60vh;
}

/* ── Article ──────────────────────────────────────────────────────── */
.ct-article {
  max-width: 760px;
  margin: 0 auto;
}
.ct-breadcrumb {
  font-size: .82rem;
  color: var(--ct-muted);
  margin-bottom: 1.5rem;
}
.ct-breadcrumb a { color: var(--ct-text-soft); }
.ct-breadcrumb-sep { margin: 0 .4rem; opacity: .5; }
.ct-breadcrumb-current { color: var(--ct-text); }

.ct-fallback-notice {
  padding: .7rem 1rem;
  background: var(--ct-accent-bg);
  border: 1px solid color-mix(in srgb, var(--ct-blue) 30%, transparent);
  border-radius: var(--ct-radius-sm);
  font-size: .85rem;
  color: var(--ct-text-soft);
  margin-bottom: 2rem;
}

.ct-article-head { margin-bottom: 2rem; }
.ct-article-category {
  display: inline-block;
  padding: .25rem .6rem;
  background: var(--ct-bg-soft);
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ct-text-soft);
  margin-bottom: .8rem;
}
.ct-article-title {
  font-family: 'Ubuntu', sans-serif;
  font-size: 2.2rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -.02em;
  margin: 0 0 .8rem;
  color: var(--ct-text);
}
.ct-article-excerpt {
  font-size: 1.05rem;
  color: var(--ct-text-soft);
  line-height: 1.55;
  margin: 0 0 1rem;
}
.ct-article-time {
  font-size: .82rem;
  color: var(--ct-muted);
}

.ct-article-body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ct-text);
}
.ct-article-body h2 {
  font-family: 'Ubuntu', sans-serif;
  font-size: 1.5rem;
  font-weight: 500;
  margin: 2.2rem 0 .8rem;
  letter-spacing: -.01em;
}
.ct-article-body h3 {
  font-family: 'Ubuntu', sans-serif;
  font-size: 1.2rem;
  font-weight: 500;
  margin: 1.8rem 0 .6rem;
}
.ct-article-body p { margin: 0 0 1.1rem; }
.ct-article-body ul,
.ct-article-body ol { margin: 0 0 1.1rem; padding-left: 1.5rem; }
.ct-article-body li { margin-bottom: .35rem; }
.ct-article-body code {
  background: var(--ct-bg-soft);
  border: 1px solid var(--ct-bd);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .88em;
}
.ct-article-body pre {
  background: var(--ct-bg-soft);
  border: 1px solid var(--ct-bd);
  border-radius: var(--ct-radius-sm);
  padding: 1rem;
  overflow-x: auto;
  font-size: .85rem;
  line-height: 1.55;
}
.ct-article-body blockquote {
  border-left: 3px solid var(--ct-blue);
  padding: .4rem 1rem;
  margin: 1rem 0;
  color: var(--ct-text-soft);
  background: var(--ct-accent-bg);
}

.ct-article-feedback {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--ct-bg-soft);
  border: 1px solid var(--ct-bd);
  border-radius: var(--ct-radius);
  text-align: center;
}
.ct-feedback-q {
  font-size: .95rem;
  font-weight: 500;
  margin: 0 0 .8rem;
}
.ct-feedback-actions {
  display: inline-flex;
  gap: .5rem;
}
.ct-feedback-btn {
  padding: .5rem 1.1rem;
  background: var(--ct-bg-card);
  border: 1px solid var(--ct-bd);
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--ct-text);
  transition: all .15s ease;
}
.ct-feedback-btn:hover { background: var(--ct-accent-bg); border-color: var(--ct-blue); color: var(--ct-blue); }
.ct-feedback-thanks {
  font-size: .88rem;
  color: var(--ct-text-soft);
  margin-top: .4rem;
}

/* ── List ──────────────────────────────────────────────────────────── */
.ct-list-hero {
  text-align: center;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--ct-bd);
}
.ct-list-title {
  font-family: 'Ubuntu', sans-serif;
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: -.02em;
  margin: 0 0 .6rem;
}
.ct-list-intro {
  max-width: 620px;
  margin: 0 auto 1.5rem;
  color: var(--ct-text-soft);
  font-size: 1.05rem;
  line-height: 1.55;
}
.ct-list-search {
  display: inline-flex;
  max-width: 480px;
  width: 100%;
  border: 1px solid var(--ct-bd);
  border-radius: 999px;
  padding: 4px 4px 4px 1rem;
  background: var(--ct-bg-card);
}
.ct-list-search input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  padding: .55rem 0;
  font-size: .92rem;
  color: var(--ct-text);
  font-family: inherit;
}
.ct-list-search button {
  padding: .5rem 1.1rem;
  background: var(--ct-blue);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
}

.ct-list-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2.5rem;
}
@media (max-width: 800px) {
  .ct-list-grid { grid-template-columns: 1fr; }
}
/* Sin sidebar (sin categorías cargadas), los items toman todo el ancho. */
.ct-list-grid > .ct-list-items:only-child {
  grid-column: 1 / -1;
}

.ct-list-side {
  border-right: 1px solid var(--ct-bd);
  padding-right: 1.5rem;
}
@media (max-width: 800px) {
  .ct-list-side { border-right: none; border-bottom: 1px solid var(--ct-bd); padding: 0 0 1rem; }
}
.ct-side-title {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ct-muted);
  margin: 0 0 .8rem;
}
.ct-side-cats {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ct-side-cats li { margin: 2px 0; }
.ct-side-cats a {
  display: block;
  padding: .45rem .7rem;
  border-radius: 6px;
  color: var(--ct-text-soft);
  font-size: .88rem;
}
.ct-side-cats a:hover { background: var(--ct-bg-soft); color: var(--ct-text); text-decoration: none; }
.ct-side-cats a.is-active { background: var(--ct-accent-bg); color: var(--ct-blue); font-weight: 600; }

.ct-list-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.ct-list-card {
  display: block;
  padding: 1.3rem;
  background: var(--ct-bg-card);
  border: 1px solid var(--ct-bd);
  border-radius: var(--ct-radius);
  color: var(--ct-text);
  transition: all .15s ease;
}
.ct-list-card:hover {
  border-color: var(--ct-blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2,121,255,.08);
  text-decoration: none;
  color: var(--ct-text);
}
.ct-list-card-cat {
  display: inline-block;
  padding: .15rem .55rem;
  background: var(--ct-bg-soft);
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ct-text-soft);
  margin-bottom: .6rem;
}
.ct-list-card-title {
  font-family: 'Ubuntu', sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  margin: 0 0 .5rem;
  color: var(--ct-text);
}
.ct-list-card-excerpt {
  font-size: .87rem;
  color: var(--ct-text-soft);
  line-height: 1.55;
  margin: 0 0 .8rem;
}
.ct-list-card-time {
  font-size: .76rem;
  color: var(--ct-muted);
}

.ct-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--ct-muted);
  border: 1px dashed var(--ct-bd);
  border-radius: var(--ct-radius);
}

/* ── Footer ───────────────────────────────────────────────────────── */
.ct-footer {
  border-top: 1px solid var(--ct-bd);
  background: var(--ct-bg-soft);
  padding: 3rem 1.5rem 2rem;
  margin-top: 4rem;
}
.ct-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--ct-bd);
}
@media (max-width: 800px) {
  .ct-footer-inner { grid-template-columns: 1fr 1fr; }
}
.ct-footer-col h4 {
  font-family: 'Ubuntu', sans-serif;
  font-size: .82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ct-text);
  margin: 0 0 .9rem;
}
.ct-footer-col a {
  display: block;
  font-size: .86rem;
  color: var(--ct-text-soft);
  margin-bottom: .35rem;
}
.ct-footer-col a:hover { color: var(--ct-blue); text-decoration: none; }
.ct-footer-tag {
  font-size: .85rem;
  color: var(--ct-muted);
  line-height: 1.55;
  margin: .8rem 0 0;
  max-width: 280px;
}
.ct-footer-base {
  max-width: 1200px;
  margin: 1.5rem auto 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  font-size: .78rem;
  color: var(--ct-muted);
}
.ct-footer-since { opacity: .8; }
