:root {
  --accent: #1a5632;
  --accent-dark: #123d23;
  --bg: #f7f5ef;
  --card-border: #e5e1d6;
}

body {
  background: var(--bg);
  font-size: 0.92rem;
}

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

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--card-border);
  padding: 1.25rem 0;
}

.sidebar .brand {
  font-weight: 700;
  font-size: 1.15rem;
  padding: 0 1.25rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar .brand .swatch {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 6px;
  background: var(--accent);
}

.brand-logo {
  height: 1.75rem;
  max-width: 8rem;
  object-fit: contain;
}

.mobile-topbar {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #fff;
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 1010;
}

.menu-toggle {
  border: none;
  background: transparent;
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.25rem 0.5rem;
}

.mobile-brand {
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-logo {
  height: 1.5rem;
  max-width: 6rem;
  object-fit: contain;
}

.sidebar-close {
  display: none;
}

.sidebar-backdrop {
  display: none;
}

.sidebar .nav-section-label {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: #999;
  padding: 0.5rem 1.25rem;
}

.sidebar .nav-link {
  color: #333;
  padding: 0.5rem 1.25rem;
  border-radius: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar .nav-link.active {
  background: #eef4ee;
  color: var(--accent);
  font-weight: 600;
  border-right: 3px solid var(--accent);
}

.sidebar .nav-link:hover {
  background: #f2f2ee;
}

.main-content {
  flex: 1;
  min-width: 0;
  padding: 1.75rem 2rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-title {
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.page-subtitle {
  color: #777;
  font-size: 0.85rem;
}

.card {
  border: 1px solid var(--card-border);
  box-shadow: none;
  border-radius: 10px;
}

.stat-card .stat-label {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: #888;
}

.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
}

.btn-accent, .btn-accent:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.badge-instock { background: #e6f2e9; color: var(--accent); }
.badge-low { background: #fdf1d8; color: #9a6a00; }
.badge-out { background: #fbe4e2; color: #b3261e; }

.table > :not(caption) > * > * {
  vertical-align: middle;
}

.bar-track {
  background: #eee;
  border-radius: 4px;
  height: 8px;
  overflow: hidden;
}
.bar-fill {
  background: var(--accent);
  height: 100%;
}

@media (max-width: 768px) {
  .mobile-topbar { display: flex; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    max-width: 85vw;
    z-index: 1030;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    overflow-y: auto;
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.15);
  }
  .sidebar.open { transform: translateX(0); }

  .sidebar-close {
    display: block;
    position: absolute;
    top: 0.5rem;
    right: 0.75rem;
    border: none;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1020;
  }
  .sidebar-backdrop.show { display: block; }

  .main-content { padding: 1rem; }

  .table-responsive-wrap, .card:has(> table), .card:has(> .table-responsive) {
    overflow-x: auto;
  }
}

@media print {
  .no-print { display: none !important; }
  .main-content { padding: 0; }
}