/* ============================================================
   COODZAVUI — ARTICLE.CSS
   Hoja de estilos compartida para todas las páginas de artículo
   Baseline: v1.2
   ============================================================ */

/* Importa los tokens del index — aquí los redeclaramos
   para que article.css sea autónomo si se separa */
:root {
  --bg-void:      #060608;
  --bg-deep:      #0a0a0e;
  --bg-surface:   #0f0f14;
  --bg-raised:    #161620;

  --signal:       #00ff41;
  --signal-dim:   #00c032;
  --signal-ghost: rgba(0,255,65,0.08);
  --signal-glow:  rgba(0,255,65,0.25);

  --blood:        #c0392b;
  --amber:        #f39c12;

  --text-primary: #e8e8e0;
  --text-secondary:#9a9a8a;
  --text-ghost:   rgba(232,232,224,0.3);

  --border:       rgba(0,255,65,0.12);
  --border-hot:   rgba(0,255,65,0.4);

  --font-display: 'VT323', monospace;
  --font-body:    'IBM Plex Mono', monospace;
  --font-ui:      'Space Mono', monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   ARTICLE LAYOUT
   ============================================================ */
.article-page {
  background: var(--bg-deep);
  min-height: 100vh;
}

/* ============================================================
   ARTICLE HEADER
   ============================================================ */
.article-header {
  padding: 7rem 2rem 3rem;
  max-width: 780px;
  margin: 0 auto;
  position: relative;
}

.article-header::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--signal), transparent);
  margin-top: 2.5rem;
}

.article-back {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  transition: color 0.2s;
}
.article-back::before { content: '←'; }
.article-back:hover { color: var(--signal); }

.article-category {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.article-category::before {
  content: '';
  width: 20px; height: 1px;
  background: var(--signal);
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.0;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.article-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 56ch;
  margin-bottom: 1.75rem;
  font-style: italic;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.article-meta-item {
  font-family: var(--font-ui);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-ghost);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.article-meta-item.highlight {
  color: var(--signal);
  opacity: 0.7;
}
.article-meta-sep {
  width: 3px; height: 3px;
  background: var(--border-hot);
  border-radius: 50%;
}

/* ============================================================
   ARTICLE BODY
   ============================================================ */
.article-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

/* Tipografía de lectura larga */
.article-body p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 1.6rem;
  max-width: 68ch;
}

.article-body p strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-body p em {
  color: var(--text-primary);
  font-style: italic;
}

/* Subtítulos */
.article-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--text-primary);
  line-height: 1.05;
  margin: 3rem 0 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.article-body h3 {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 2.5rem 0 1rem;
}

/* Citas */
.article-body blockquote {
  border-left: 2px solid var(--signal);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 2rem 0;
  background: var(--signal-ghost);
}

.article-body blockquote p {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 0;
  max-width: none;
}

.article-body blockquote cite {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--text-ghost);
  margin-top: 0.75rem;
  font-style: normal;
}

/* Separador interno */
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
  position: relative;
}
.article-body hr::after {
  content: '◈';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-deep);
  padding: 0 1rem;
  color: var(--signal);
  font-size: 0.7rem;
  opacity: 0.5;
}

/* Listas */
.article-body ul,
.article-body ol {
  margin: 1.5rem 0 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.article-body li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
  max-width: 64ch;
}
.article-body ul li::before {
  content: '//';
  position: absolute;
  left: -0.25rem;
  color: var(--signal);
  font-size: 0.7rem;
  top: 0.15rem;
}
.article-body ol {
  counter-reset: ol-counter;
}
.article-body ol li {
  counter-increment: ol-counter;
}
.article-body ol li::before {
  content: counter(ol-counter, decimal-leading-zero);
  position: absolute;
  left: -0.25rem;
  color: var(--signal);
  font-size: 0.65rem;
  font-family: var(--font-ui);
  top: 0.2rem;
}

/* Referencias / bibliografía */
.article-references {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.article-references h4 {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 1.25rem;
}
.article-references ol {
  margin: 0;
}
.article-references li {
  font-size: 0.75rem;
  color: var(--text-ghost);
  line-height: 1.6;
  max-width: none;
}
.article-references li::before {
  color: var(--text-ghost);
}
.article-references a {
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}
.article-references a:hover {
  color: var(--signal);
  border-color: var(--signal);
}

/* Licencia / firma al pie */
.article-license {
  margin-top: 3rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  background: var(--signal-ghost);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.article-license-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  opacity: 0.6;
}
.article-license p {
  font-family: var(--font-ui);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: var(--text-ghost);
  line-height: 1.6;
  margin: 0 !important;
  max-width: none !important;
}
.article-license strong {
  color: var(--signal) !important;
}

/* ============================================================
   SERIE BADGE (para artículos que pertenecen a una serie)
   ============================================================ */
.serie-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border-hot);
  padding: 0.3rem 0.75rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-ui);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.serie-badge::before { content: '◈'; font-size: 0.5rem; }
.serie-badge:hover { border-color: var(--amber); color: var(--text-primary); }

/* ============================================================
   ARTICLE NAV (anterior / siguiente)
   ============================================================ */
.article-nav {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.article-nav-link {
  padding: 1.25rem;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: border-color 0.3s, background 0.3s;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.article-nav-link:hover {
  border-color: var(--signal);
  background: var(--signal-ghost);
}
.article-nav-link.next { text-align: right; }

.article-nav-dir {
  font-family: var(--font-ui);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--signal);
}
.article-nav-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  line-height: 1.2;
}

/* ============================================================
   RELATED ARTICLES
   ============================================================ */
.article-related {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
}
.article-related-inner {
  max-width: 780px;
  margin: 0 auto;
}
.article-related h4 {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 1.5rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.related-card {
  border: 1px solid var(--border);
  padding: 1.25rem;
  text-decoration: none;
  transition: border-color 0.3s, background 0.3s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.related-card:hover {
  border-color: var(--signal);
  background: var(--signal-ghost);
}
.related-cat {
  font-family: var(--font-ui);
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--signal);
}
.related-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  line-height: 1.2;
}

/* ============================================================
   SERIE INDEX PAGE
   ============================================================ */
.serie-header {
  padding: 7rem 2rem 3rem;
  max-width: 780px;
  margin: 0 auto;
}
.serie-label {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.serie-label::before { content: '◈'; }

.serie-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 0.95;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}
.serie-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 56ch;
  margin-bottom: 2rem;
}

.serie-parts {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.serie-part {
  border: 1px solid var(--border);
  padding: 1.75rem;
  text-decoration: none;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  transition: border-color 0.3s, background 0.3s;
}
.serie-part:hover {
  border-color: var(--signal);
  background: var(--signal-ghost);
}
.serie-part-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--signal);
  opacity: 0.3;
  line-height: 1;
  min-width: 2.5rem;
}
.serie-part-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.serie-part-sub {
  font-family: var(--font-ui);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-ghost);
}
.serie-part-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--text-primary);
  line-height: 1.1;
}
.serie-part-excerpt {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 44ch;
}
.serie-part-arrow {
  color: var(--signal);
  font-size: 1.2rem;
  opacity: 0.5;
  transition: opacity 0.2s, transform 0.2s;
}
.serie-part:hover .serie-part-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .article-header,
  .article-body,
  .article-nav,
  .article-related-inner,
  .serie-header,
  .serie-parts { padding-left: 1.25rem; padding-right: 1.25rem; }

  .related-grid { grid-template-columns: 1fr; }
  .article-nav { grid-template-columns: 1fr; }
  .serie-part { grid-template-columns: auto 1fr; }
  .serie-part-arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}