/*
============================================
IMPRA CONSULTORES — RESEÑAS STYLESHEET
============================================
*/

/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
  --resena-accent:      #8B2635;   /* rojo IMPRA */
  --resena-accent-soft: rgba(139, 38, 53, 0.08);
  --resena-border:      rgba(0, 0, 0, 0.08);
  --resena-card-bg:     #ffffff;
  --resena-radius:      10px;
  --resena-tag-bg:      rgba(139, 38, 53, 0.07);
  --resena-tag-fg:      #8B2635;
  --abstract-bg:        #f8f6f0;
  --abstract-border:    #d4a845;   /* ámbar cálido — marca "insight" */
}

/* ── Contenedor lista ───────────────────────────────────────────────────────── */
.resenas-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 4% 60px;   /* 90px nav fijo + 10px holgura */
  min-height: 100vh;
}

/* ── Encabezado ─────────────────────────────────────────────────────────────── */
.resenas-header {
  text-align: center;
  padding: 0;
  margin-bottom: 12px;
}

.resenas-title-wrapper {
  max-width: 800px;
  margin: 0 auto 6px;
}

.resenas-title {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  color: var(--primary, #1a1a2e);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 6px;
}

.resenas-title .highlight {
  color: var(--resena-accent);
}

.resenas-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  color: var(--text-muted, #6b7280);
  line-height: 1.6;
}

.resenas-meta-bar {
  margin-top: 4px;
}

.resenas-meta-bar .stat {
  font-size: 0.85rem;
  color: var(--text-muted, #6b7280);
  opacity: 0.75;
}

/* ── Controles ──────────────────────────────────────────────────────────────── */
.resenas-controls {
  padding: 0;
  margin-bottom: 8px;
}

.resenas-controls-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* reutiliza .search-wrapper / .search-box / .search-icon de blog.css / main.css */
.resenas-controls-inner .search-wrapper {
  flex: 1;
  min-width: 220px;
  max-width: 440px;
}

/* Selects de filtro */
.filter-select {
  padding: 8px 32px 8px 12px;
  border: 1px solid rgba(139, 38, 53, 0.15);
  border-radius: 8px;
  background: #fff;
  color: #1a1a2e;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color .2s;
  min-width: 140px;
}

.filter-select:hover,
.filter-select:focus {
  border-color: var(--resena-accent);
  outline: none;
}

.filter-select.has-filter {
  border-color: var(--resena-accent);
  background: var(--resena-accent-soft);
}

/* Botón limpiar filtros */
.clear-filters-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid rgba(139, 38, 53, 0.2);
  border-radius: 6px;
  color: #6b7280;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}

.clear-filters-btn:hover {
  border-color: var(--resena-accent);
  color: var(--resena-accent);
  background: var(--resena-accent-soft);
}

.clear-filters-btn .material-icons { font-size: 1rem; }

/* ── Reset section padding (main.css aplica padding:100px 0 a todos los <section>) ── */
.loading-container,
.empty-state {
  padding: 0;
}

/* ── Grid de cards ──────────────────────────────────────────────────────────── */
.resenas-grid {
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* ── Card ───────────────────────────────────────────────────────────────────── */
.resena-card {
  background: var(--resena-card-bg);
  border: 1px solid var(--resena-border);
  border-radius: var(--resena-radius);
  transition: box-shadow .2s, transform .2s;
  animation: fadeInUp .4s both;
}

.resena-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,.1);
  transform: translateY(-2px);
}

.resena-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 22px 22px 18px;
  text-decoration: none;
  color: inherit;
}

.resena-card-body {
  flex: 1;
}

.resena-source-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.resena-source-name {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--resena-accent);
}

.resena-date {
  font-size: 0.75rem;
  color: var(--text-muted, #6b7280);
}

.resena-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary, #1a1a2e);
  line-height: 1.35;
  margin-bottom: 10px;
}

.resena-card-abstract {
  font-size: 0.88rem;
  color: var(--text-secondary, #4b5563);
  line-height: 1.6;
}

.resena-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--resena-border);
}

/* ── Tags ───────────────────────────────────────────────────────────────────── */
.resena-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.resena-tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  background: var(--resena-tag-bg);
  color: var(--resena-tag-fg);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: .02em;
}

/* ── Tiempo de lectura ──────────────────────────────────────────────────────── */
.resena-read-time {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.75rem;
  color: var(--text-muted, #6b7280);
  white-space: nowrap;
}

.resena-read-time .material-icons {
  font-size: 0.95rem;
}

/* ── Skeleton ───────────────────────────────────────────────────────────────── */
.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.skeleton-card {
  background: #fff;
  border: 1px solid var(--resena-border);
  border-radius: var(--resena-radius);
  padding: 22px;
}

.skeleton {
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 4px;
  margin-bottom: 10px;
}

.skeleton-badge  { height: 10px; width: 30%; }
.skeleton-title  { height: 16px; width: 85%; }
.skeleton-text   { height: 12px; width: 100%; }
.skeleton-text.short { width: 65%; }
.skeleton-footer { height: 10px; width: 40%; margin-top: 16px; }

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

/* ── Animación entrada ──────────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Paginación (reutiliza clases de blog.css) ──────────────────────────────── */

/* ── Empty state (reutiliza clases de blog.css) ─────────────────────────────── */

/* ──────────────────────────────────────────────────────────────────────────── */
/*  DETALLE DE RESEÑA                                                           */
/* ──────────────────────────────────────────────────────────────────────────── */

.resena-detail-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 110px 4% 72px;   /* 90px nav fijo + 20px holgura */
}

/* Breadcrumb */
.resena-breadcrumb {
  margin-bottom: 24px;
}

.resena-breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--resena-accent);
  text-decoration: none;
  font-weight: 500;
  transition: opacity .15s;
}

.resena-breadcrumb a:hover { opacity: .7; }
.resena-breadcrumb .material-icons { font-size: 1rem; }

/* Cabecera del artículo */
.resena-article-header {
  margin-bottom: 32px;
}

.resena-article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: var(--text-muted, #6b7280);
}

.resena-source-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--resena-accent-soft);
  color: var(--resena-accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.meta-sep { opacity: .4; }

.resena-article-title {
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--primary, #1a1a2e);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  overflow-wrap: break-word;
  word-break: break-word;
}

.resena-tags-header {
  margin-top: 4px;
}

/* Abstract */
.resena-abstract {
  background: var(--abstract-bg);
  border-left: 4px solid var(--abstract-border);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin-bottom: 36px;
}

.abstract-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #a07c1e;
  margin-bottom: 10px;
}

.abstract-label .material-icons { font-size: 1rem; }

.resena-abstract p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary, #374151);
  margin: 0;
}

/* Cuerpo */
.resena-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text, #1f2937);
  margin-bottom: 40px;
}

.resena-body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary, #1a1a2e);
  margin: 2rem 0 .75rem;
}

.resena-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary, #1a1a2e);
  margin: 1.5rem 0 .5rem;
}

.resena-body p   { margin-bottom: 1.2rem; }
.resena-body ul,
.resena-body ol  { padding-left: 1.4rem; margin-bottom: 1.2rem; }
.resena-body li  { margin-bottom: .4rem; }

.resena-body strong { color: var(--primary, #1a1a2e); }

.resena-body blockquote {
  border-left: 3px solid var(--resena-accent);
  padding: .6rem 1.2rem;
  margin: 1.5rem 0;
  color: var(--text-secondary, #4b5563);
  font-style: italic;
  background: var(--resena-accent-soft);
  border-radius: 0 6px 6px 0;
}

/* Gráficas */
.resena-charts {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.chart-figure {
  margin: 0;
  text-align: center;
}

.chart-img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--resena-border);
}

.chart-caption {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-muted, #6b7280);
  line-height: 1.5;
}

/* Crédito fuente */
.resena-credit {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 16px 20px;
  background: #f9fafb;
  border: 1px solid var(--resena-border);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-muted, #6b7280);
  margin-top: 8px;
}

.resena-credit .material-icons {
  font-size: 1rem;
  color: var(--resena-accent);
}

.credit-link {
  color: var(--resena-accent);
  text-decoration: none;
  font-weight: 600;
}

.credit-link:hover { text-decoration: underline; }

/* Botón volver */
.resena-nav-bottom {
  margin-top: 40px;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1px solid var(--resena-border);
  border-radius: 6px;
  background: transparent;
  color: var(--resena-accent);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s, border-color .15s;
}

.btn-back:hover {
  background: var(--resena-accent-soft);
  border-color: var(--resena-accent);
}

.btn-back .material-icons { font-size: 1rem; }

/* ── Category pills ──────────────────────────────────────────────────────────── */

.category-pills-row {
  padding: 0 0 20px 0;
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border: 1.5px solid #d1d5db;
  border-radius: 999px;
  background: transparent;
  color: #374151;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
}

.category-pill:hover {
  border-color: var(--secondary, #8B2635);
  color: var(--secondary, #8B2635);
}

.category-pill.active {
  background: var(--secondary, #8B2635);
  border-color: var(--secondary, #8B2635);
  color: #fff;
}

/* ── Cargar más ──────────────────────────────────────────────────────────────── */

.load-more-section {
  display: flex;
  justify-content: center;
  padding: 32px 0 16px;
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 28px;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  background: transparent;
  color: #374151;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.load-more-btn:hover:not(:disabled) {
  border-color: var(--secondary, #8B2635);
  color: var(--secondary, #8B2635);
}

.load-more-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.load-more-btn .material-icons { font-size: 1.1rem; }

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .resenas-grid,
  .skeleton-grid {
    grid-template-columns: 1fr;
  }
  .filter-select { min-width: 120px; font-size: 12px; }
  .category-pills { gap: 6px; }
  .category-pill  { padding: 5px 12px; font-size: 0.78rem; }
  .load-more-btn  { width: 100%; justify-content: center; }
}