html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 15px;
  }
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #212529;
}

.kpi-card {
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.table-batch th {
  background-color: #212529;
  color: #ffffff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
  vertical-align: middle;
}

.table-batch td {
  vertical-align: middle;
}

.batch-input {
  text-align: center;
  font-weight: 600;
}

.badge-xb {
  background-color: #d63384;
  color: #fff;
}

.badge-fkg {
  background-color: #0d6efd;
  color: #fff;
}

@media print {
  header, footer, .no-print, .btn, .alert, #sidebar, .top-navbar {
    display: none !important;
  }
  body {
    background-color: #fff !important;
    padding: 0;
  }
  #mainWrapper {
    background-color: #fff !important;
  }
  .print-only {
    display: block !important;
  }
  .card {
    border: 1px solid #000 !important;
  }
}

/* ==========================================================================
   Modern Collapsible Sidebar & Dashboard Layout
   ========================================================================== */

:root {
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --sidebar-bg-start: #0f172a; /* Slate 900 */
  --sidebar-bg-end: #1e1b4b;   /* Indigo 950 */
  --sidebar-text: #94a3b8;     /* Slate 400 */
  --sidebar-text-hover: #ffffff;
  --sidebar-active-bg: rgba(245, 158, 11, 0.15); /* Amber glow */
  --sidebar-active-text: #fbbf24;
  --sidebar-accent: #f59e0b;
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --header-height: 60px;
  --transition-speed: 0.25s;
}

#appWrapper {
  display: flex;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
}

/* Sidebar Container */
#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--sidebar-bg-start) 0%, var(--sidebar-bg-end) 100%);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
              min-width var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
              transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1040;
  position: relative;
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
}

/* Sidebar Brand Header */
.sidebar-header {
  height: var(--header-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sidebar-border);
  background: rgba(0, 0, 0, 0.2);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.15rem;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-brand:hover {
  color: #ffffff;
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  min-width: 38px;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.35);
}

/* Scrollable Nav Area */
.sidebar-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.85rem 0.65rem;
}

.sidebar-content::-webkit-scrollbar {
  width: 4px;
}
.sidebar-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

/* Section Header / Group Label */
.nav-group-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #64748b;
  padding: 0.85rem 0.65rem 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Navigation Links */
.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav .nav-item {
  margin-bottom: 3px;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  padding: 0.65rem 0.85rem;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
  position: relative;
}

.sidebar-nav .nav-link i.nav-icon {
  font-size: 1.15rem;
  width: 22px;
  margin-right: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  transition: color 0.15s ease;
}

.sidebar-nav .nav-link:hover {
  color: var(--sidebar-text-hover);
  background: rgba(255, 255, 255, 0.06);
}

.sidebar-nav .nav-link:hover i.nav-icon {
  color: var(--sidebar-accent);
}

.sidebar-nav .nav-link.active {
  color: var(--sidebar-active-text);
  background: var(--sidebar-active-bg);
  font-weight: 600;
}

.sidebar-nav .nav-link.active i.nav-icon {
  color: var(--sidebar-accent);
}

.sidebar-nav .nav-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15%;
  height: 70%;
  width: 3.5px;
  background: var(--sidebar-accent);
  border-radius: 0 4px 4px 0;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
}

/* Collapsible Submenu Group */
.nav-group-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
}

.chevron-arrow {
  margin-left: auto;
  font-size: 0.7rem;
  transition: transform 0.2s ease;
  color: #64748b;
}

.nav-group-btn[aria-expanded="true"] .chevron-arrow {
  transform: rotate(90deg);
  color: #ffffff;
}

.submenu-list {
  list-style: none;
  padding: 0.2rem 0 0.2rem 0.85rem;
  margin: 0;
  border-left: 2px solid rgba(255, 255, 255, 0.08);
  margin-left: 1.25rem;
}

.submenu-list .nav-link {
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--sidebar-border);
  background: rgba(0, 0, 0, 0.25);
}

/* Main Content Area */
#mainWrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background-color: #f8fafc;
}

/* Top Navbar */
.top-navbar {
  height: var(--header-height);
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.toggle-sidebar-btn {
  background: none;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #475569;
  cursor: pointer;
  transition: all 0.15s ease;
}

.toggle-sidebar-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
  border-color: #cbd5e1;
}

/* Collapsed Sidebar State (Desktop) */
#appWrapper.sidebar-collapsed #sidebar {
  width: var(--sidebar-collapsed-width);
  min-width: var(--sidebar-collapsed-width);
}

#appWrapper.sidebar-collapsed .brand-text,
#appWrapper.sidebar-collapsed .nav-text,
#appWrapper.sidebar-collapsed .nav-group-title,
#appWrapper.sidebar-collapsed .chevron-arrow,
#appWrapper.sidebar-collapsed .nav-badge,
#appWrapper.sidebar-collapsed .sidebar-footer-text {
  display: none !important;
}

#appWrapper.sidebar-collapsed .sidebar-header {
  justify-content: center;
  padding: 0;
}

#appWrapper.sidebar-collapsed .sidebar-nav .nav-link {
  justify-content: center;
  padding: 0.75rem 0;
}

#appWrapper.sidebar-collapsed .sidebar-nav .nav-link i.nav-icon {
  margin-right: 0;
}

#appWrapper.sidebar-collapsed .submenu-list {
  display: none !important;
}

#appWrapper.sidebar-collapsed .sidebar-nav .nav-link.active::before {
  left: 2px;
}

/* Mobile & Tablet Responsiveness */
@media (max-width: 991.98px) {
  #sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    box-shadow: none;
  }
  #appWrapper.mobile-sidebar-open #sidebar {
    transform: translateX(0);
    box-shadow: 8px 0 25px rgba(0, 0, 0, 0.4);
  }
  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(2px);
    z-index: 1035;
  }
  #appWrapper.mobile-sidebar-open .sidebar-backdrop {
    display: block;
  }
}