/* ---- Sidebar ---- */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 230px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: fixed;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 40;
  transition:
    transform 0.22s ease,
    opacity 0.22s ease;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 32px;
  padding: 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.logo span {
  color: var(--accent);
}

.sidebar-collapse-btn {
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}
.sidebar-collapse-btn:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border);
}

/* Hide the floating mobile hamburger while the sidebar drawer is open */
body:has(.sidebar.mobile-open) .mobile-menu-btn {
  visibility: hidden;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
  margin-bottom: 4px;
  user-select: none;
}

.nav-item:hover {
  background: var(--surface2);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent);
  color: #fff;
}

.nav-icon {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

/* ---- Main ---- */
.main {
  margin-left: 230px;
  flex: 1;
  padding: 32px;
  max-width: 100%;
  overflow-x: hidden;
  transition: margin-left 0.22s ease;
}

body.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
}

body.sidebar-collapsed .main {
  margin-left: 0;
}

body.sidebar-collapsed .page-header {
  padding-left: 52px;
}

.desktop-sidebar-toggle {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 55;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    opacity 0.2s ease;
}

.desktop-sidebar-toggle:hover {
  background: var(--border);
  border-color: color-mix(in srgb, var(--color-brand) 35%, transparent);
}

body.sidebar-collapsed .desktop-sidebar-toggle {
  display: inline-flex;
}

.mobile-header {
  display: none;
}

.mobile-menu-btn {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 36px;
  height: 36px;
  font-size: 1.05rem;
  cursor: pointer;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 14, 0.7);
  z-index: 30;
  backdrop-filter: blur(2px);
}

.mobile-overlay.show {
  display: block;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

/* ---- Header ---- */
.page-header {
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

/* "EXTENDED" brand caption removed — it was redundant app branding
   repeated on every page and ate vertical space. */
.page-header::before { display: none; }

/* Only target the title wrapper (first direct div), not sibling
   toolbars like .inventory-page-controls which manage their own
   grid/flex layout (and were being clobbered by this rule). */
.page-header > div:first-child {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.page-header p {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
}

.inventory-page-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

#inventory-page-tools-toggle {
  display: none;
}