.pe-app {
  display: flex;
  min-height: 100vh;
}

.pe-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--pe-sidebar);
  color: var(--pe-sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1040;
  transition: transform 0.2s ease;
  border-right: 1px solid var(--pe-sidebar-border);
  box-shadow: 2px 0 12px rgba(128, 128, 128, 0.06);
}

.pe-sidebar-brand {
  padding: 1rem;
  border-bottom: 2px solid var(--gos-grey);
  position: relative;
}

.pe-sidebar-brand::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gos-yellow);
}

.pe-brand-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  gap: 0.5rem;
}

.pe-brand-link:hover {
  opacity: 0.95;
}

.pe-brand-logo-wrap {
  display: block;
  width: 100%;
  padding: 0.5rem 0.65rem;
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid var(--pe-border);
  position: relative;
  min-height: 48px;
}

.pe-brand-fallback {
  display: none;
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--gos-yellow);
  text-align: center;
  letter-spacing: 0.05em;
  text-shadow: 1px 1px 0 var(--gos-grey);
}

.pe-brand-logo-missing .pe-brand-fallback {
  display: block;
}

.pe-brand-logo {
  display: block;
  width: 100%;
  height: auto;
  max-height: 88px;
  object-fit: contain;
}

.pe-brand-logo--compact {
  max-height: 36px;
}

.pe-brand-module {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-align: center;
  color: var(--gos-green);
  letter-spacing: 0.02em;
  line-height: 1.3;
  padding: 0 0.25rem;
}

.pe-login-brand .pe-brand-logo-wrap {
  max-width: 220px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}

.pe-login-brand .pe-brand-logo {
  max-height: 120px;
}

.pe-topbar-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  display: none;
}

@media (max-width: 991.98px) {
  .pe-topbar-logo {
    display: block;
  }
}

.pe-nav {
  padding: 0.75rem 0.5rem;
  overflow-y: auto;
  flex: 1;
}

.pe-nav-modules {
  border-bottom: 1px solid var(--pe-sidebar-border);
  flex: 0 0 auto;
}

.pe-nav-section-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--pe-muted);
  padding: 0.35rem 0.75rem 0.5rem;
  margin-top: 0.25rem;
}

.pe-nav-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  margin-bottom: 2px;
  border-radius: 8px;
  color: var(--pe-sidebar-text);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.15s;
}

.pe-nav-link:hover {
  background: var(--pe-sidebar-hover);
  color: var(--gos-green-dark);
}

.pe-nav-link.active {
  background: var(--pe-sidebar-active);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--gos-yellow);
}

.pe-main {
  flex: 1;
  margin-left: 240px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.pe-topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--pe-card);
  border-top: 3px solid var(--pe-topbar-accent);
  border-bottom: 2px solid var(--pe-topbar-line);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.pe-topbar-title {
  font-weight: 600;
  flex: 1;
}

.pe-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pe-content {
  padding: 1.5rem;
  flex: 1;
}

.pe-stat-card {
  background: var(--pe-card);
  border: 1px solid var(--pe-border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  box-shadow: var(--pe-shadow);
}

.pe-stat-card--accent {
  border-color: var(--gos-green);
  border-top: 3px solid var(--gos-yellow);
}

.pe-stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--pe-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pe-stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

.pe-stat-hint {
  font-size: 0.7rem;
  color: var(--pe-muted);
}

.pe-auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--pe-bg);
}

.pe-login-card {
  max-width: 400px;
  width: 100%;
}

.pe-tabs .nav-link.active {
  font-weight: 600;
  color: var(--gos-primary);
}

.pe-sidebar-version {
  padding: 0.75rem 1rem;
  font-size: 0.65rem;
  color: var(--gos-grey);
  border-top: 1px solid var(--pe-sidebar-border);
  line-height: 1.3;
}

@media (max-width: 991.98px) {
  .pe-sidebar {
    transform: translateX(-100%);
  }

  .pe-sidebar.open {
    transform: translateX(0);
  }

  .pe-main {
    margin-left: 0;
  }
}