/* ==========================================
   LUBEMASTER ENTERPRISE SIDEBAR
   ========================================== */

/* ---- Sidebar Layout ---- */
.lm-sidebar {
  width: 260px;
  background: var(--bg-app);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 200;
  transition: width 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.lm-sidebar.collapsed {
  width: 60px;
}

/* ---- Brand Header ---- */
.lm-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 18px 16px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  overflow: hidden;
}

.lm-brand-logo {
  width: 34px;
  height: 34px;
  min-width: 34px;
  background: var(--charcoal);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-app);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  box-shadow: var(--inset-shadow);
  transition: border-radius 0.2s ease;
}

.lm-sidebar:not(.collapsed):hover .lm-brand-logo {
  border-radius: 12px;
}

.lm-brand-text {
  overflow: hidden;
  white-space: nowrap;
  transition: opacity 0.18s ease, width 0.22s ease;
}

.lm-sidebar.collapsed .lm-brand-text {
  opacity: 0;
  width: 0;
  pointer-events: none;
}

.lm-brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-primary);
  line-height: 1.1;
}

.lm-brand-tagline {
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-top: 1px;
}

/* ---- Collapse Toggle Button ---- */
.lm-collapse-btn {
  position: absolute;
  top: 20px;
  right: -12px;
  width: 24px;
  height: 24px;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  color: var(--text-muted);
  font-size: 0.65rem;
  transition: all 0.18s ease;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.lm-collapse-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-interactive);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.lm-sidebar.collapsed .lm-collapse-btn {
  transform: rotate(180deg);
}

/* ---- Navigation Body ---- */
.lm-nav-body {
  flex-grow: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
}

/* ---- Section Labels ---- */
.lm-nav-section {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 14px 10px 4px 10px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.18s ease;
}

.lm-sidebar.collapsed .lm-nav-section {
  opacity: 0;
  pointer-events: none;
}

/* ---- Nav Items ---- */
.lm-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 6px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.88rem;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  transition: all 0.12s ease;
  white-space: nowrap;
  overflow: hidden;
}

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

.lm-nav-item.active {
  background: var(--bg-hover);
  color: var(--text-primary);
  font-weight: 600;
}

.lm-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--charcoal);
  border-radius: 0 2px 2px 0;
}

.lm-nav-item .lm-nav-icon {
  width: 18px;
  min-width: 18px;
  text-align: center;
  font-size: 0.95rem;
  transition: color 0.12s ease;
  color: var(--text-muted);
}

.lm-nav-item.active .lm-nav-icon,
.lm-nav-item:hover .lm-nav-icon {
  color: var(--text-primary);
}

.lm-nav-label {
  flex-grow: 1;
  transition: opacity 0.18s ease;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lm-sidebar.collapsed .lm-nav-label {
  opacity: 0;
  width: 0;
  pointer-events: none;
}

/* ---- Badge counters ---- */
.lm-nav-badge {
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--color-fail);
  color: #fff;
  border-radius: 9px;
  font-size: 0.62rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.18s ease;
  flex-shrink: 0;
}

.lm-sidebar.collapsed .lm-nav-badge {
  opacity: 0;
  width: 0;
  padding: 0;
  overflow: hidden;
}

/* ---- Tooltip in collapsed mode ---- */
.lm-sidebar.collapsed .lm-nav-item {
  justify-content: center;
  padding: 10px;
}

.lm-nav-tooltip {
  display: none;
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  background: var(--charcoal);
  color: var(--bg-app);
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  margin-left: 8px;
  z-index: 999;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.lm-sidebar.collapsed .lm-nav-item:hover .lm-nav-tooltip {
  display: block;
  animation: tooltipIn 0.12s ease;
}

@keyframes tooltipIn {
  from { opacity: 0; transform: translateY(-50%) translateX(-4px); }
  to   { opacity: 1; transform: translateY(-50%) translateX(0); }
}

/* ---- Sidebar Divider ---- */
.lm-nav-divider {
  height: 1px;
  background: var(--border-color);
  margin: 8px 10px;
  flex-shrink: 0;
}

/* ---- Footer / User Profile Card ---- */
.lm-sidebar-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--border-color);
  padding: 14px 8px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lm-user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  cursor: default;
  overflow: hidden;
  transition: border-color 0.12s ease;
}

.lm-user-card:hover {
  border-color: var(--border-interactive);
}

.lm-user-avatar {
  width: 32px;
  height: 32px;
  min-width: 32px;
  background: var(--charcoal);
  color: var(--bg-app);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.lm-user-info {
  flex-grow: 1;
  overflow: hidden;
  transition: opacity 0.18s ease, width 0.22s ease;
}

.lm-sidebar.collapsed .lm-user-info {
  opacity: 0;
  width: 0;
  pointer-events: none;
}

.lm-user-name {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.lm-user-role-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 9px;
  letter-spacing: 0.04em;
  margin-top: 2px;
  text-transform: uppercase;
}

.lm-role-admin     { background: rgba(220, 38, 38, 0.12);  color: var(--color-fail); }
.lm-role-manager   { background: rgba(217, 119, 6, 0.12);  color: var(--color-warn); }
.lm-role-mechanic  { background: rgba(37, 99, 235, 0.12);  color: var(--color-info); }
.lm-role-customer  { background: rgba(16, 185, 129, 0.12); color: var(--color-pass); }

.lm-logout-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: 4px;
  transition: color 0.12s ease;
  flex-shrink: 0;
}

.lm-logout-btn:hover {
  color: var(--color-fail);
}

/* ---- Theme & Utility Row ---- */
.lm-sidebar-util-row {
  display: flex;
  gap: 6px;
}

.lm-theme-btn {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.12s ease;
  white-space: nowrap;
  overflow: hidden;
}

.lm-theme-btn:hover {
  border-color: var(--border-interactive);
  color: var(--text-primary);
}

.lm-sidebar.collapsed .lm-theme-btn span {
  display: none;
}

/* ---- Main Content (with sidebar) ---- */
.lm-layout {
  display: flex;
  min-height: 100vh;
  background: var(--bg-app);
}

.lm-main {
  margin-left: 260px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.lm-layout.sidebar-collapsed .lm-main {
  margin-left: 60px;
}

/* ---- Page Top Header Bar ---- */
.lm-page-header {
  height: 58px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-app);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}

.lm-page-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-grow: 1;
}

.lm-page-breadcrumb .lm-bc-sep {
  opacity: 0.4;
}

.lm-page-breadcrumb .lm-bc-current {
  color: var(--text-primary);
  font-weight: 600;
}

.lm-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lm-header-icon-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all 0.12s ease;
  position: relative;
}

.lm-header-icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-interactive);
}

.lm-header-icon-btn .lm-notif-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 7px;
  height: 7px;
  background: var(--color-fail);
  border-radius: 50%;
  border: 1.5px solid var(--bg-app);
}

/* ---- Page Content Area ---- */
.lm-page-content {
  flex-grow: 1;
  padding: 28px;
  overflow-x: hidden;
}

/* ---- Page Title Section ---- */
.lm-page-title {
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.lm-page-title-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  line-height: 1.2;
}

.lm-page-title-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.lm-page-title-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: center;
}

/* ---- Responsive mobile overlay ---- */
@media (max-width: 768px) {
  .lm-sidebar {
    transform: translateX(-100%);
    box-shadow: 0 0 32px rgba(0,0,0,0.15);
  }

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

  .lm-main {
    margin-left: 0 !important;
  }

  .lm-page-content {
    padding: 16px;
  }
}