/* ============================================================
   Biblioteca, Recursos y Estadísticas
   ============================================================ */

/* ---------------- Biblioteca ---------------- */
.bib-grupo { margin-bottom: 26px; }
.bib-grupo-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.bib-grupo-head h2 { font-family: var(--font-head); font-size: 1.05rem; margin: 0; color: var(--text); }
.bib-punto { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }
.bib-grupo-head .cuenta {
  font-size: .74rem; font-weight: 800; color: var(--text-muted);
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--radius-pill); padding: .2rem .7rem;
}

.bib-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(214px, 1fr)); gap: 14px; }
.bib-card {
  position: relative; text-align: left; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 15px 16px 14px; box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: 5px; min-height: 128px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.bib-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.bib-badge {
  align-self: flex-start; border-radius: var(--radius-pill); padding: .22rem .68rem;
  font-size: .66rem; font-weight: 800; color: #fff; letter-spacing: .02em;
}
.bib-card .tit {
  font-family: var(--font-head); font-weight: 700; font-size: .9rem; line-height: 1.3;
  color: var(--text); margin-top: 2px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.bib-card .sub { font-size: .7rem; color: var(--text-muted); font-weight: 700; }
.bib-card .pie {
  margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  font-size: .7rem; color: var(--text-muted); font-weight: 700; padding-top: 8px;
}
.bib-fav {
  position: absolute; top: 10px; right: 10px; width: 26px; height: 26px; border-radius: 50%;
  border: none; background: transparent; cursor: pointer; font-size: .95rem; line-height: 1;
  color: #D9C48A;
}
.bib-fav.on { color: #F0A93B; }
.bib-fav:hover { background: var(--yellow-soft); }

.tipo-docx, .tipo-doc, .tipo-rtf { background: #3B6CB5; }
.tipo-pdf  { background: #C8452F; }
.tipo-pptx, .tipo-ppt { background: #C25A28; }
.tipo-xlsx, .tipo-xls { background: #24774A; }
.tipo-html { background: #7A4FD1; }
.tipo-mp4, .tipo-mov { background: #8A3F86; }
.tipo-otro { background: #6B6478; }

.archivo-meta { display: grid; gap: 10px; margin-bottom: 16px; }
.archivo-meta .fila { display: flex; justify-content: space-between; gap: 12px; font-size: .84rem; }
.archivo-meta .fila span:first-child { color: var(--text-muted); font-weight: 700; }
.archivo-meta .fila span:last-child { font-weight: 700; text-align: right; }
.archivo-acciones { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 4px; }

/* ---------------- Recursos ---------------- */
.recurso-fila { margin-bottom: 24px; }
.recurso-track {
  display: flex; gap: 13px; overflow-x: auto; padding: 4px 2px 12px;
  scroll-snap-type: x proximity;
}
.recurso-track .bib-card { min-width: 214px; scroll-snap-align: start; }
.recurso-vacio { font-size: .84rem; color: var(--text-muted); font-weight: 600; padding: 8px 2px; }

/* ============================================================
   Gráficos
   ------------------------------------------------------------
   Paleta: una sola rampa secuencial violeta, validada contra
   superficie blanca (contraste 2.22 / 4.65 / 9.03 y ΔL ≥ 0.06).
   Los colores de área sólo se usan como punto de identidad al
   lado del texto, nunca para codificar magnitud.
   ============================================================ */
.viz {
  --viz-surface: #FFFFFF;
  --viz-acento:  #6C4BE0;
  --viz-paso-1:  #B7A2F2;
  --viz-paso-2:  #7F5BE4;
  --viz-paso-3:  #4A2DB4;
  --viz-pista:   #F1EDF9;
  --viz-linea:   #E9E4F2;
  --viz-ink:     var(--text);
  --viz-ink-2:   var(--text-soft);
  --viz-ink-3:   var(--text-muted);
}

.viz-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; }
.viz-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl);
  padding: 22px 24px 24px; box-shadow: var(--shadow-card);
}
.viz-card.ancho { grid-column: 1 / -1; }
.viz-titulo { font-family: var(--font-head); font-size: 1.05rem; margin: 0 0 3px; color: var(--viz-ink); }
.viz-sub { font-size: .8rem; color: var(--viz-ink-3); font-weight: 600; margin-bottom: 18px; }

/* --- KPI --- */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); gap: 16px; margin-bottom: 20px; }
.kpi {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 18px 20px; box-shadow: var(--shadow-card);
}
.kpi .k { font-size: .78rem; font-weight: 700; color: var(--viz-ink-3); }
.kpi .v { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: var(--viz-ink); line-height: 1.1; margin-top: 2px; }
.kpi .d { font-size: .74rem; font-weight: 700; color: var(--viz-ink-3); margin-top: 3px; }

/* --- Medidores (una razón contra un límite) --- */
.medidor { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin-bottom: 15px; }
.medidor:last-child { margin-bottom: 0; }
.medidor-lbl { display: flex; align-items: center; gap: 8px; font-size: .85rem; font-weight: 700; color: var(--viz-ink); }
.medidor-val { font-size: .82rem; font-weight: 800; color: var(--viz-ink-2); white-space: nowrap; }
.medidor-pista {
  display: block; grid-column: 1 / -1; height: 12px; border-radius: 6px;
  background: var(--viz-pista); overflow: hidden;
}
.medidor-pista i { display: block; height: 100%; border-radius: 6px 4px 4px 6px; background: var(--viz-acento); }

/* --- Columnas --- */
.columnas { display: flex; align-items: flex-end; gap: 20px; height: 190px; padding-top: 22px; }
.columna { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.columna .caño { width: 100%; max-width: 52px; display: flex; align-items: flex-end; height: 100%; }
.columna .marca {
  width: 100%; background: var(--viz-acento);
  border-radius: 4px 4px 0 0; min-height: 3px; position: relative;
  transition: filter var(--transition-fast);
}
.columna:hover .marca { filter: brightness(1.08); }
.columna .cap {
  position: absolute; top: -22px; left: 0; right: 0; text-align: center;
  font-family: var(--font-head); font-size: .88rem; font-weight: 700; color: var(--viz-ink);
}
.columna .pie { margin-top: 9px; font-size: .76rem; font-weight: 700; color: var(--viz-ink-3); text-align: center; line-height: 1.3; }
.eje-base { height: 1px; background: var(--viz-linea); margin-top: -1px; }

/* --- Barras horizontales --- */
.barras { display: flex; flex-direction: column; gap: 12px; }
.barra-fila { display: grid; grid-template-columns: 132px 1fr auto; align-items: center; gap: 12px; }
.barra-lbl { font-size: .83rem; font-weight: 700; color: var(--viz-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.barra-lbl small { display: block; font-size: .7rem; color: var(--viz-ink-3); font-weight: 700; }
.barra-pista { display: block; width: 100%; height: 14px; background: var(--viz-pista); border-radius: 4px; }
.barra-marca { display: block; height: 14px; border-radius: 4px 4px 4px 4px; background: var(--viz-acento); min-width: 3px; }
.barra-val { font-family: var(--font-head); font-size: .85rem; font-weight: 700; color: var(--viz-ink); white-space: nowrap; }

/* --- Barra apilada (escala ordenada) --- */
.apilada { margin-bottom: 20px; }
.apilada:last-child { margin-bottom: 0; }
.apilada-lbl { font-size: .85rem; font-weight: 700; color: var(--viz-ink); margin-bottom: 8px; }
.apilada-pista { display: flex; height: 30px; border-radius: 6px; overflow: hidden; background: var(--viz-pista); }
.apilada-seg {
  height: 100%; display: flex; align-items: center; justify-content: center;
  font-size: .76rem; font-weight: 800; color: #fff;
  border-right: 2px solid var(--viz-surface);
}
.apilada-seg:last-child { border-right: none; }
.seg-1 { background: var(--viz-paso-1); color: #2E2140; }
.seg-2 { background: var(--viz-paso-2); }
.seg-3 { background: var(--viz-paso-3); }

.leyenda { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; }
.leyenda-item { display: flex; align-items: center; gap: 7px; font-size: .78rem; font-weight: 700; color: var(--viz-ink-2); }
.leyenda-sw { width: 13px; height: 13px; border-radius: 4px; flex-shrink: 0; }

/* --- Tabla equivalente --- */
.viz-tabla { width: 100%; border-collapse: collapse; font-size: .85rem; }
.viz-tabla th, .viz-tabla td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--line); }
.viz-tabla th { font-family: var(--font-head); font-weight: 700; color: var(--viz-ink-2); font-size: .8rem; }
.viz-tabla td:not(:first-child), .viz-tabla th:not(:first-child) { text-align: right; }
.viz-tabla tbody tr:last-child td { border-bottom: none; }

.viz-nota { font-size: .78rem; color: var(--viz-ink-3); font-weight: 600; margin-top: 14px; line-height: 1.5; }

@media (max-width: 560px) {
  .barra-fila { grid-template-columns: 100px 1fr auto; }
  .columnas { gap: 12px; }
}