/* ============================================================
   FACTURAE Premium Module — Estilos específicos
   Basado en variables de iEntop.css (design system ERP)
   ============================================================ */

/* ── Module Shell ── */
.fae-shell {
  display: flex;
  width: 100%;
  height: 100vh;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  overflow: hidden;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

/* ── Sidebar ── */
.fae-sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: width 0.3s ease, min-width 0.3s ease;
  z-index: 30;
  overflow: hidden;
}

.fae-sidebar.collapsed {
  width: 64px;
  min-width: 64px;
}

.fae-sidebar-brand {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.fae-sidebar-logo {
  width: 40px;
  height: 40px;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--color-accent), color-mix(in srgb, var(--color-accent) 70%, #fff));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.fae-sidebar-logo svg { color: #fff; }

.fae-sidebar-title {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.fae-sidebar-title h1 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  margin: 0;
}

.fae-sidebar-title span {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.fae-sidebar.collapsed .fae-sidebar-title { display: none; }

/* Nav items */
.fae-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fae-nav-section {
  padding: 0.75rem 0.75rem 0.25rem;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.fae-sidebar.collapsed .fae-nav-section { display: none; }

.fae-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border-radius: 0.5rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.8125rem;
  font-weight: 500;
  user-select: none;
  white-space: nowrap;
  border: 1px solid transparent;
}

.fae-nav-item:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.fae-nav-item.active {
  background: var(--color-accent-subtle);
  color: var(--color-text-accent);
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  font-weight: 600;
}

.fae-nav-item .fae-nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.fae-nav-item.active .fae-nav-icon { opacity: 1; }

.fae-nav-item .fae-nav-label { flex: 1; }

.fae-sidebar.collapsed .fae-nav-label { display: none; }

.fae-nav-badge {
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.125rem 0.4375rem;
  border-radius: 9999px;
  background: var(--color-accent);
  color: #fff;
  min-width: 18px;
  text-align: center;
}

.fae-sidebar.collapsed .fae-nav-badge { display: none; }

/* Sidebar footer */
.fae-sidebar-footer {
  padding: 0.75rem;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.fae-sidebar-footer .fae-status-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-success);
}

.fae-sidebar.collapsed .fae-status-chip span { display: none; }

.fae-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
  animation: fae-pulse 2s ease-in-out infinite;
}

@keyframes fae-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

/* ── Main Content ── */
.fae-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* Top bar */
.fae-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  gap: 1rem;
  min-height: 56px;
}

.fae-topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.fae-topbar-left h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.fae-topbar-left .fae-breadcrumb {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.fae-topbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fae-topbar-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.4375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background: var(--color-bg-input);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.fae-topbar-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-text-accent);
  background: var(--color-accent-subtle);
}

.fae-topbar-btn.primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.fae-topbar-btn.primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--color-accent) 30%, transparent);
  transform: translateY(-1px);
}

/* ── Content Area ── */
.fae-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

/* View panels — only active is visible */
.fae-view { display: none; }
.fae-view.active { display: block; animation: fae-fadeIn 0.3s ease; }

@keyframes fae-fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   DASHBOARD
   ============================================================ */

/* KPI Cards */
.fae-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.fae-kpi {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.fae-kpi:hover {
  border-color: color-mix(in srgb, var(--color-accent) 40%, transparent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.fae-kpi::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), color-mix(in srgb, var(--color-accent) 40%, transparent));
  opacity: 0;
  transition: opacity 0.3s;
}

.fae-kpi:hover::after { opacity: 1; }

.fae-kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fae-kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fae-kpi-icon.blue { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.fae-kpi-icon.amber { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.fae-kpi-icon.green { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.fae-kpi-icon.purple { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }

.fae-kpi-trend {
  font-size: 0.6875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.375rem;
  border-radius: 9999px;
}

.fae-kpi-trend.up { background: rgba(34,197,94,0.1); color: #22c55e; }
.fae-kpi-trend.down { background: rgba(239,68,68,0.1); color: #ef4444; }

.fae-kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.fae-kpi-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Dashboard grid — chart + activity */
.fae-dash-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

/* Chart card */
.fae-chart-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.25rem;
}

.fae-chart-card h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 1rem 0;
}

/* CSS-only bar chart */
.fae-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  height: 180px;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.fae-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  height: 100%;
  justify-content: flex-end;
}

.fae-bar {
  width: 100%;
  max-width: 40px;
  border-radius: 0.375rem 0.375rem 0 0;
  background: linear-gradient(180deg, var(--color-accent), color-mix(in srgb, var(--color-accent) 60%, transparent));
  transition: height 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  min-height: 4px;
}

.fae-bar:hover {
  filter: brightness(1.2);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent) 40%, transparent);
}

.fae-bar-label {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.fae-bar-value {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-text-accent);
}

/* Activity timeline */
.fae-activity-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.25rem;
}

.fae-activity-card h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 1rem 0;
}

.fae-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.fae-timeline-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
}

.fae-timeline-item:last-child { border-bottom: none; }

.fae-timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}

.fae-timeline-dot.green { background: var(--color-success); }
.fae-timeline-dot.amber { background: var(--color-warning); }
.fae-timeline-dot.red { background: var(--color-danger); }
.fae-timeline-dot.blue { background: #3b82f6; }

.fae-timeline-body {
  flex: 1;
  min-width: 0;
}

.fae-timeline-text {
  font-size: 0.8125rem;
  color: var(--color-text-primary);
  line-height: 1.4;
}

.fae-timeline-time {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 0.125rem;
}

/* ============================================================
   FACTURAS LIST
   ============================================================ */

/* Filters bar */
.fae-filters {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.fae-filter-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.fae-filter-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.fae-filter-select,
.fae-filter-input {
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 0.2s;
}

.fae-filter-select:focus,
.fae-filter-input:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 2px var(--color-accent-subtle);
}

.fae-search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.fae-search-box input {
  width: 100%;
  padding: 0.375rem 0.625rem 0.375rem 2rem;
  font-size: 0.8125rem;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 0.2s;
}

.fae-search-box input:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 2px var(--color-accent-subtle);
}

.fae-search-box svg {
  position: absolute;
  left: 0.625rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Table */
.fae-table-wrap {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  overflow: hidden;
}

.fae-table {
  width: 100%;
  border-collapse: collapse;
}

.fae-table thead th {
  padding: 0.75rem 1rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  background: color-mix(in srgb, var(--color-bg-secondary) 80%, var(--color-bg-primary));
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  white-space: nowrap;
}

.fae-table tbody tr {
  transition: background 0.15s;
  cursor: pointer;
}

.fae-table tbody tr:hover {
  background: var(--color-bg-hover);
}

.fae-table tbody td {
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  color: var(--color-text-primary);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
  white-space: nowrap;
}

.fae-table tbody tr:last-child td { border-bottom: none; }

/* Status badges */
.fae-status {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.1875rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.fae-status.accepted { background: rgba(34,197,94,0.12); color: #22c55e; }
.fae-status.pending { background: rgba(245,158,11,0.12); color: #f59e0b; }
.fae-status.rejected { background: rgba(239,68,68,0.12); color: #ef4444; }
.fae-status.draft { background: rgba(148,163,184,0.12); color: #94a3b8; }
.fae-status.sent { background: rgba(59,130,246,0.12); color: #3b82f6; }

.fae-type-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-size: 0.6875rem;
  font-weight: 700;
  background: var(--color-bg-input);
  color: var(--color-text-accent);
  letter-spacing: 0.02em;
}

/* Amount column */
.fae-amount {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* Row actions */
.fae-row-actions {
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: opacity 0.2s;
}

.fae-table tbody tr:hover .fae-row-actions { opacity: 1; }

.fae-row-action {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.2s;
}

.fae-row-action:hover {
  background: var(--color-accent-subtle);
  color: var(--color-text-accent);
}

/* Pagination */
.fae-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
}

.fae-pagination-info {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.fae-pagination-btns {
  display: flex;
  gap: 0.25rem;
}

.fae-page-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  background: var(--color-bg-input);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.fae-page-btn:hover { border-color: var(--color-accent); color: var(--color-text-accent); }
.fae-page-btn.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

/* ============================================================
   CONFIG PANEL
   ============================================================ */

.fae-config-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.fae-config-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.25rem;
}

.fae-config-card h3 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 1rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fae-config-card h3 svg { color: var(--color-text-accent); }

.fae-config-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
}

.fae-config-row:last-child { border-bottom: none; }

.fae-config-key {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.fae-config-val {
  font-size: 0.8125rem;
  color: var(--color-text-primary);
  font-weight: 600;
}

/* ============================================================
   IMPORT (Facturas recibidas)
   ============================================================ */

.fae-dropzone {
  border: 2px dashed var(--color-border);
  border-radius: 0.75rem;
  padding: 3rem 2rem;
  text-align: center;
  margin-bottom: 1.5rem;
  transition: all 0.2s;
  cursor: pointer;
  background: color-mix(in srgb, var(--color-bg-card) 50%, transparent);
}

.fae-dropzone:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.fae-dropzone-icon {
  width: 56px;
  height: 56px;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  color: var(--color-text-accent);
  margin: 0 auto 1rem;
}

.fae-dropzone p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0 0 0.25rem 0;
}

.fae-dropzone .small {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1200px) {
  .fae-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .fae-dash-grid { grid-template-columns: 1fr; }
  .fae-config-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .fae-sidebar { width: 64px; min-width: 64px; }
  .fae-sidebar .fae-sidebar-title,
  .fae-sidebar .fae-nav-label,
  .fae-sidebar .fae-nav-section,
  .fae-sidebar .fae-nav-badge { display: none; }
  .fae-kpi-grid { grid-template-columns: 1fr; }
  .fae-content { padding: 1rem; }
}

/* ── ERP Integration Mode (no sidebar) ── */
.fae-erp-mode {
  height: 100%;
  min-height: 0;
}
.fae-erp-mode .fae-sidebar { display: none; }
.fae-erp-mode .fae-main { width: 100%; }
.fae-erp-mode .fae-topbar {
  border-bottom: 1px solid var(--color-border, #2a2a3a);
}
.fae-erp-mode .fae-content {
  height: calc(100% - 52px);
  overflow-y: auto;
}