/* Global Resets & Layout Grid */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-tertiary) transparent;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
}

input, select, textarea, button {
  font-family: var(--font-family);
  color: var(--text-primary);
  background: transparent;
  border: none;
  outline: none;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-round);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-color);
}

/* App Container Layout */
.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Sidebar (Desktop Only) */
.sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition-normal);
}

/* Content Area */
.main-content {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 0; /* Updated dynamically on mobile */
  transition: var(--transition-normal);
  min-width: 0;
}

.content-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(17, 18, 26, 0.7);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 90;
}

.content-body {
  padding: var(--spacing-xl);
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  min-width: 0;
}

/* Bottom Bar (Mobile Only) */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(17, 18, 26, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  height: 64px;
  z-index: 100;
  justify-content: space-around;
  align-items: center;
  padding: 0 var(--spacing-md);
}

/* Responsive Breakpoint (Mobile View) */
@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  .main-content {
    margin-left: 0;
    padding-bottom: 64px; /* Space for bottom navigation */
    min-width: 0;
    overflow-x: hidden;
  }
  .bottom-nav {
    display: flex;
    max-width: 100vw;
  }
  .content-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  #user-email-display, #user-role-display {
    display: none !important;
  }
  .content-body {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  .truncate-sku {
    display: inline-block;
    max-width: 90px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
  }
  .truncate-attrs {
    display: block;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .truncate-product {
    display: block;
    max-width: 140px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* Common Grids & Containers */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.procurement-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--spacing-lg);
}

#vendors-table {
  min-width: unset;
}

#procurements-table {
  min-width: 700px;
}

#stock-items-table {
  min-width: 900px;
}

#write-downs-table {
  min-width: 900px;
}

#sales-history-table {
  min-width: 950px;
}

#credit-ledger-table {
  min-width: 850px;
}

#supplier-ledger-table {
  min-width: 900px;
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .procurement-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (min-width: 769px) and (max-width: 1180px) {
  .sidebar {
    width: 70px;
  }
  .sidebar-header {
    padding: var(--spacing-md) 0;
    justify-content: center;
  }
  .sidebar-logo {
    font-size: 0 !important;
  }
  .sidebar-logo::before {
    content: "L";
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
  }
  .sidebar-menu {
    padding: 0 var(--spacing-xs);
  }
  .sidebar-link {
    justify-content: center;
    padding: var(--spacing-sm) 0;
    font-size: 0 !important;
    height: 40px;
    width: 40px;
    margin: var(--spacing-xs) auto;
    border-radius: var(--radius-sm);
  }
  .sidebar-link svg {
    margin-right: 0 !important;
    width: 18px;
    height: 18px;
  }
  .sidebar-footer {
    padding: var(--spacing-sm) 0;
    display: flex;
    justify-content: center;
  }
  #logout-btn {
    font-size: 0 !important;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: unset;
  }
  #logout-btn::before {
    content: "\u21AA";
    font-size: 1.2rem;
    color: var(--text-primary);
  }
  .main-content {
    margin-left: 70px;
  }
  
  /* Make content padding smaller on these laptops to save more space */
  .content-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  .content-body {
    padding: var(--spacing-lg) var(--spacing-md);
  }
}