/* =========================================================
   LogKeeper — Sidebar
   ========================================================= */
.lk-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--lk-sidebar-width);
  background: var(--lk-sidebar-bg);
  border-right: 1px solid var(--lk-sidebar-border);
  display: flex;
  flex-direction: column;
  transition: width var(--lk-transition-slow);
  z-index: var(--lk-z-sidebar);
  overflow: hidden;
}

.lk-sidebar.collapsed {
  width: var(--lk-sidebar-collapsed-width);
}

/* Logo / Brand area */
.lk-sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: var(--lk-sidebar-logo-height);
  padding: 0 .95rem;
  border-bottom: 1px solid var(--lk-sidebar-border);
  flex-shrink: 0;
  text-decoration: none;
  min-width: 0;
}

.lk-sidebar-brand-title {
  display: inline-block;
  font-size: 1.72rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: .01em;
  color: #ffffff;
  white-space: nowrap;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .26);
  transition: opacity var(--lk-transition), transform var(--lk-transition);
}

.lk-sidebar-brand-initials {
  display: none;
  font-size: 1.1rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: .04em;
  color: #ffffff;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .26);
}

.lk-sidebar.collapsed .lk-sidebar-brand {
  justify-content: center;
  padding: 0;
}

.lk-sidebar.collapsed .lk-sidebar-brand-title {
  opacity: 0;
  transform: scale(.85);
  width: 0;
  overflow: hidden;
}

.lk-sidebar.collapsed .lk-sidebar-brand-initials {
  display: inline-block;
}

/* Nav */
.lk-sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: .5rem 0;
}

.lk-sidebar-nav::-webkit-scrollbar { width: 3px; }
.lk-sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); }

.lk-nav-group {
  margin-bottom: .25rem;
}

.lk-nav-group-label {
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(160,174,192,.5);
  padding: .75rem 1rem .25rem;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--lk-transition);
}

.lk-sidebar.collapsed .lk-nav-group-label { opacity: 0; }

.lk-nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .44rem .92rem;
  color: var(--lk-sidebar-text);
  text-decoration: none;
  font-size: .79rem;
  font-weight: 600;
  border-radius: 0;
  position: relative;
  transition: background var(--lk-transition-fast), color var(--lk-transition-fast);
  white-space: nowrap;
  overflow: hidden;
}

.lk-nav-item i { font-size: .94rem; flex-shrink: 0; min-width: 18px; text-align: center; }

.lk-nav-item:hover {
  background: var(--lk-sidebar-item-hover-bg);
  color: var(--lk-sidebar-text-active);
}

.lk-nav-item.active {
  background: var(--lk-sidebar-item-active-bg);
  color: var(--lk-sidebar-text-active);
}

.lk-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--lk-sidebar-item-active-border);
}

.lk-nav-item-text {
  transition: opacity var(--lk-transition), width var(--lk-transition);
  overflow: hidden;
}

.lk-sidebar.collapsed .lk-nav-item-text { opacity: 0; width: 0; }

.lk-nav-badge {
  margin-left: auto;
  background: var(--lk-primary);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  border-radius: var(--lk-radius-full);
  padding: 1px 6px;
  transition: opacity var(--lk-transition);
}

.lk-sidebar.collapsed .lk-nav-badge { opacity: 0; }

/* Bottom section */
.lk-sidebar-footer {
  border-top: 1px solid var(--lk-sidebar-border);
  padding: .5rem 0;
  flex-shrink: 0;
}

/* Collapse toggle button */
.lk-sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .5rem 1rem;
  color: var(--lk-sidebar-text);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  font-size: .78rem;
  transition: background var(--lk-transition-fast), color var(--lk-transition-fast);
  white-space: nowrap;
  overflow: hidden;
}

.lk-sidebar-toggle:hover {
  background: var(--lk-sidebar-item-hover-bg);
  color: var(--lk-sidebar-text-active);
}

.lk-sidebar-toggle i { flex-shrink: 0; min-width: 20px; text-align: center; }
.lk-sidebar-toggle-text { transition: opacity var(--lk-transition); }
.lk-sidebar.collapsed .lk-sidebar-toggle-text { opacity: 0; width: 0; overflow: hidden; }

/* Tooltip for collapsed sidebar */
.lk-sidebar.collapsed .lk-nav-item { position: relative; }

/* Rótulo de versão no rodapé da sidebar (versionamento — 07/2026).
   Última linha do menu, abaixo do botão "Recolher". Oculto quando recolhido. */
.lk-sidebar-version {
    padding: 8px 12px 4px;
    margin-top: 2px;
    border-top: 1px solid var(--lk-sidebar-border);
    font-size: .7rem;
    letter-spacing: .03em;
    color: var(--lk-sidebar-text);
    opacity: .7;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    user-select: none;
}

.lk-sidebar.collapsed .lk-sidebar-version {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    border-top: none;
}