/* =========================================================
   CENTRO DE GESTIÓN DOCUMENTAL
   Institución Educativa Villa de los Andes
========================================================= */

.docs-hero {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  padding: calc(var(--space-xl) + 1.5rem) 0 var(--space-lg);
  position: relative;
  overflow: hidden;
}

.docs-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 15% 20%, rgba(255,255,255,0.08) 0, transparent 40%),
                     radial-gradient(circle at 85% 85%, rgba(255,255,255,0.08) 0, transparent 40%);
}

.docs-hero-inner {
  position: relative;
  z-index: 1;
}

.docs-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.docs-stat {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  text-align: center;
}

.docs-stat strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 700;
}

.docs-stat span {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.82);
}

/* ---------- Barra de herramientas ---------- */
.docs-toolbar {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.25rem;
  margin-top: -3.5rem;
  position: relative;
  z-index: 5;
  border: 1px solid var(--border-color);
}

.docs-search-wrap {
  position: relative;
}

.docs-search-wrap i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

.docs-search-wrap input {
  padding-left: 2.75rem;
}

.docs-filters-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.docs-filters-row select {
  flex: 1 1 160px;
}

.docs-sort-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.docs-active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.docs-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
}

.docs-filter-chip button {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
}

/* ---------- Destacados ---------- */
.docs-featured-scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x proximity;
}

.docs-featured-scroll::-webkit-scrollbar {
  height: 6px;
}

.docs-featured-scroll::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-pill);
}

/* ---------- Tarjeta de documento ---------- */
.doc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  scroll-snap-align: start;
}

.doc-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: transparent;
}

.doc-card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-bottom: 0.9rem;
}

.doc-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-alt);
  color: #C0392B;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.doc-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.doc-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-alt);
  color: var(--brand-primary);
}

.doc-badge.featured {
  background: var(--brand-accent);
  color: var(--brand-secondary);
}

.doc-badge.outdated {
  background: #FDEAEA;
  color: #C0392B;
}

.doc-card h5 {
  font-size: 1.02rem;
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.doc-card-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.76rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border-color);
}

.doc-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.doc-card-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.doc-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.doc-btn-primary {
  background: var(--brand-primary);
  color: #fff;
}

.doc-btn-primary:hover {
  background: var(--brand-accent);
  color: var(--brand-secondary);
}

.doc-btn-ghost {
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  border-color: var(--border-color);
  flex: 0 0 auto;
  width: 38px;
  padding: 0.55rem;
}

.doc-btn-ghost:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* ---------- Acordeón de categorías ---------- */
.docs-accordion-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  overflow: hidden;
}

.docs-accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  background: var(--bg-surface);
  user-select: none;
}

.docs-accordion-header:hover {
  background: var(--bg-surface-alt);
}

.docs-accordion-title {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.docs-accordion-title .doc-icon {
  background: var(--brand-primary);
  color: #fff;
}

.docs-accordion-title h3 {
  font-size: 1.05rem;
  margin-bottom: 0.15rem;
}

.docs-accordion-title p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0;
}

.docs-accordion-count {
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.docs-accordion-chevron {
  transition: transform var(--transition-fast);
  color: var(--text-secondary);
}

.docs-accordion-item.open .docs-accordion-chevron {
  transform: rotate(180deg);
}

.docs-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.docs-accordion-item.open .docs-accordion-body {
  max-height: 6000px;
}

.docs-accordion-content {
  padding: 0 1.5rem 1.5rem;
}

.docs-empty-category {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ---------- Sub-acordeón (año / mes) para contratos ---------- */
.docs-subaccordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.docs-subaccordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.1rem;
  background: var(--bg-surface-alt);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
}

.docs-subaccordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.docs-subaccordion.open .docs-subaccordion-body {
  max-height: 4000px;
}

.docs-subaccordion-content {
  padding: 1rem;
}

/* ---------- Tarjeta de contrato ---------- */
.contract-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  margin-bottom: 0.9rem;
}

.contract-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.contract-card-header h6 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.contract-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.6rem 1.2rem;
  font-size: 0.82rem;
  margin-bottom: 1rem;
}

.contract-grid dt {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.15rem;
}

.contract-grid dd {
  margin: 0;
  color: var(--text-primary);
}

.contract-docs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.contract-docs-row a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.contract-docs-row a:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.contract-docs-row a.disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* ---------- Resultados / paginación ---------- */
.docs-results-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 1.25rem;
}

.docs-pagination {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.docs-page-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.docs-page-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.docs-page-btn.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

.docs-no-results {
  text-align: center;
  padding: 3.5rem 1rem;
  color: var(--text-secondary);
}

.docs-no-results i {
  font-size: 2.5rem;
  color: var(--border-color);
  margin-bottom: 1rem;
}

/* ---------- Visor PDF (modal) ---------- */
.docs-viewer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(12, 23, 18, 0.85);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.docs-viewer-overlay.open {
  display: flex;
}

.docs-viewer-modal {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  width: min(1000px, 100%);
  height: min(85vh, 900px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.docs-viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  gap: 1rem;
}

.docs-viewer-header h5 {
  font-size: 0.95rem;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docs-viewer-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.docs-viewer-body {
  flex: 1;
  background: var(--bg-surface-alt);
}

.docs-viewer-body iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ---------- Toast (copiar enlace) ---------- */
.docs-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--brand-secondary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.docs-toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Recientes / relacionados ---------- */
.docs-mini-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.docs-mini-list li a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.docs-mini-list li a:hover {
  background: var(--bg-surface-alt);
  color: var(--brand-primary);
}

.docs-mini-list li a i {
  color: #C0392B;
  flex-shrink: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .docs-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .docs-toolbar { margin-top: -2rem; }
  .doc-card-actions { flex-direction: column; }
  .doc-btn-ghost { width: 100%; }
  .contract-card-header { flex-direction: column; }
}