/* ============================================================
   tabs.css — Sistema de pestañas Dashboard INS 2026
   ============================================================ */

.tabs-nav {
  display: flex;
  background: #fff;
  border-bottom: 2px solid #e5e7eb;
  padding: 0 2rem;
  gap: 0;
  box-shadow: 0 2px 8px rgba(30,58,95,.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.tab-btn {
  padding: .9rem 2rem;
  border: none;
  background: transparent;
  font-size: .88rem;
  font-weight: 700;
  color: #6b7280;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color .2s, border-color .2s, background .15s;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tab-btn:hover {
  color: #1a56a6;
  background: #f8faff;
}

.tab-btn--active {
  color: #1e3a5f;
  border-bottom-color: #1a56a6;
  background: #fff;
}

/* ── Panels ──────────────────────────────────────────────────── */
.tab-panel {
  display: none;
  animation: fadeIn .22s ease;
}
.tab-panel--active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}