:root {
  --apple-blue: #0071e3;
  --apple-blue-hover: #0077ed;
  --apple-blue-light: #eaf3ff;
  --apple-green-light: #e8f8f0;
  --apple-amber-light: #fff5e6;
  --apple-red-light: #fff0ee;
  --apple-gray-1: #f5f5f7;
  --apple-gray-2: #e8e8ed;
  --apple-gray-3: #c7c7cc;
  --apple-gray-4: #aeaeb2;
  --apple-label: #1d1d1f;
  --apple-secondary-label: #6e6e73;
  --apple-tertiary-label: #aeaeb2;
  --apple-bg: #f5f5f7;
  --apple-surface: #ffffff;
  --apple-divider: rgba(0, 0, 0, 0.08);
  --apple-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --apple-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
  --apple-radius-sm: 8px;
  --apple-radius-md: 12px;
  --apple-radius-lg: 16px;
  --sidebar-width: 248px;
  --topbar-height: 56px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --primary: var(--apple-blue);
  --primary-hover: var(--apple-blue-hover);
  --text-primary: var(--apple-label);
  --text-secondary: var(--apple-secondary-label);
  
  /* Dark Sidebar Theme */
  --sidebar-bg: #212b2d;
  --sidebar-color: #d1d3e2;
  --sidebar-active-bg: rgba(255, 255, 255, 0.1);
  --sidebar-active-color: #ffffff;
  --sidebar-divider: rgba(255, 255, 255, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--apple-bg);
  color: var(--apple-label);
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
}

a {
  color: var(--apple-blue);
}

.wrapper {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  height: 100vh;
  overflow: hidden;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-divider);
  transition: transform var(--transition), width var(--transition);
}

.sidebar-header {
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  padding: 14px 18px 22px;
  border-bottom: 1px solid var(--sidebar-divider);
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 204px;
  height: 68px;
  padding: 10px 14px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--apple-radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.logo-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sidebar-brand {
  width: 100%;
  overflow: hidden;
  text-align: center;
}

.brand-name,
.brand-sub {
  display: inline;
  white-space: nowrap;
}

.brand-name {
  color: #ffffff;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-sub {
  color: var(--sidebar-color);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: none;
}

.brand-name + .brand-sub {
  margin-left: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 10px 0;
  overflow-y: auto;
  scrollbar-width: none;
}

.sidebar-nav::-webkit-scrollbar {
  display: none;
}

.nav-section-label {
  padding: 14px 20px 4px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.sidebar a,
.logout-btn {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 1px 8px;
  padding: 9px 12px 9px 16px;
  color: var(--sidebar-color);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--apple-radius-md);
  transition: background var(--transition), color var(--transition);
}

.sidebar a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--sidebar-active-color);
}

.sidebar a.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-color);
}

.sidebar a i,
.logout-btn i {
  flex-shrink: 0;
  width: 18px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.875rem;
  text-align: center;
}

.sidebar a:hover i,
.sidebar a.active i {
  color: currentColor;
}

.sidebar-footer {
  flex-shrink: 0;
  padding: 8px;
  border-top: 1px solid var(--sidebar-divider);
}

.logout-btn {
  margin: 0;
  color: #ff3b30 !important;
}

.logout-btn:hover {
  background: rgba(255, 59, 48, 0.08) !important;
}

.logout-btn i {
  color: #ff3b30 !important;
}

.top-navbar {
  position: fixed;
  top: 0;
  right: 0;
  left: var(--sidebar-width);
  z-index: 1000;
  display: flex;
  gap: 12px;
  align-items: center;
  height: var(--topbar-height);
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--apple-divider);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: left var(--transition);
}

.sidebar-toggle {
  padding: 6px 10px;
  color: var(--apple-secondary-label);
  background: transparent;
  border-radius: var(--apple-radius-sm);
}

.top-navbar-title {
  color: var(--apple-label);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.user-name {
  color: var(--apple-secondary-label);
  font-size: 0.8125rem;
  font-weight: 500;
}

.user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: var(--apple-blue);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: var(--apple-blue-light);
  border-radius: 50%;
}

.main-content {
  min-height: 100vh;
  margin-left: var(--sidebar-width);
  padding: calc(var(--topbar-height) + 24px) 24px 32px;
  transition: margin-left var(--transition);
}

.main-content > .container-fluid {
  width: 100%;
  max-width: 100%;
  margin-right: 0;
  margin-left: 0;
  padding: 0;
}

.page-header {
  margin-bottom: 24px;
}

.page-header h2 {
  margin: 0 0 3px;
  color: var(--apple-label);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.page-header p {
  margin: 0;
  color: var(--apple-secondary-label);
  font-size: 0.875rem;
}

.card {
  margin-bottom: 20px;
  overflow: hidden;
  background: var(--apple-surface);
  border: 1px solid var(--apple-divider);
  border-radius: var(--apple-radius-lg);
  box-shadow: var(--apple-shadow-sm);
}

.card-header {
  padding: 14px 20px;
  background: var(--apple-surface);
  border-bottom: 1px solid var(--apple-divider);
}

.card-header h5,
.card-header h6 {
  margin: 0;
  color: var(--apple-label);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card-body {
  padding: 20px;
}

.stat-card {
  padding: 20px;
  background: var(--apple-surface);
  border: 1px solid var(--apple-divider);
  border-radius: var(--apple-radius-lg);
  transition: box-shadow var(--transition), transform var(--transition);
}

.stat-card:hover {
  box-shadow: var(--apple-shadow-md);
  transform: translateY(-1px);
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  font-size: 1rem;
  border-radius: var(--apple-radius-md);
}

.stat-icon.blue { background: var(--apple-blue-light); color: var(--apple-blue); }
.stat-icon.green { background: var(--apple-green-light); color: #1a8a3c; }
.stat-icon.amber { background: var(--apple-amber-light); color: #b97000; }
.stat-icon.red { background: var(--apple-red-light); color: #c8201a; }
.stat-icon.purple { background: #f0eeff; color: #7b3fbf; }
.card-blue .stat-icon { background: var(--apple-blue-light); }
.card-green .stat-icon { background: var(--apple-green-light); }
.card-cyan .stat-icon { background: #e8f7ff; }
.card-amber .stat-icon { background: var(--apple-amber-light); }

.stat-value {
  margin-bottom: 4px;
  color: var(--apple-label);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-label {
  color: var(--apple-secondary-label);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  margin: 0;
  color: var(--apple-label);
  font-size: 0.875rem;
}

.table thead th {
  padding: 11px 16px;
  color: var(--apple-secondary-label);
  font-size: 0.695rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--apple-gray-1);
  border-top: none;
  border-bottom: 1px solid var(--apple-divider);
}

.table tbody tr {
  border-bottom: 1px solid var(--apple-divider);
  transition: background var(--transition);
}

.table tbody tr:last-child {
  border-bottom: none;
}

.table tbody tr:hover {
  background: var(--apple-gray-1);
}

.table tbody td {
  padding: 13px 16px;
  vertical-align: middle;
  border: none;
}

.badge {
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 100px;
}

.badge-pending { background: var(--apple-amber-light); color: #8a4e00; }
.badge-approved { background: var(--apple-green-light); color: #155a2e; }
.badge-rejected { background: var(--apple-red-light); color: #8a1a14; }
.badge-info { background: var(--apple-blue-light); color: #0055a5; }

.btn {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--apple-radius-md);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-primary {
  background: var(--apple-blue);
  border-color: var(--apple-blue);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--apple-blue-hover);
  border-color: var(--apple-blue-hover);
  box-shadow: 0 2px 8px rgba(0, 113, 227, 0.28);
}

.btn-light,
.btn-outline-secondary {
  color: var(--apple-label);
  background: var(--apple-gray-1);
  border-color: var(--apple-gray-2);
}

.btn-light:hover {
  color: var(--apple-label);
  background: var(--apple-gray-2);
}

.btn-primary-light {
  color: var(--apple-blue);
  background: var(--apple-blue-light);
  border-color: transparent;
}

.btn-primary-light:hover {
  color: #fff;
  background: var(--apple-blue);
}

.btn-success-light {
  color: #155a2e;
  background: var(--apple-green-light);
  border-color: transparent;
}

.btn-success-light:hover {
  color: #fff;
  background: #198754;
}

.form-label {
  margin-bottom: 6px;
  color: var(--apple-secondary-label);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.form-control,
.form-select {
  color: var(--apple-label);
  font-family: inherit;
  font-size: 0.875rem;
  background: var(--apple-surface);
  border: 1px solid var(--apple-gray-2);
  border-radius: var(--apple-radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus,
.form-select:focus {
  color: var(--apple-label);
  background: var(--apple-surface);
  border-color: var(--apple-blue);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.form-control::placeholder {
  color: var(--apple-tertiary-label);
}

.input-group-text {
  color: var(--apple-gray-4);
  font-size: 0.875rem;
  background: var(--apple-gray-1);
  border-color: var(--apple-gray-2);
}

.alert {
  padding: 12px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--apple-radius-md);
}

.alert-success { background: var(--apple-green-light); color: #155a2e; }
.alert-danger { background: var(--apple-red-light); color: #8a1a14; }
.alert-warning { background: var(--apple-amber-light); color: #7b4500; }
.alert-info { background: var(--apple-blue-light); color: #0055a5; }

.list-group-item {
  padding: 13px 20px;
  color: var(--apple-label);
  font-size: 0.875rem;
  border: none;
  border-bottom: 1px solid var(--apple-divider) !important;
}

.list-group-item:last-child {
  border-bottom: none !important;
}

.quick-actions-card {
  padding: 24px;
  overflow: hidden;
  color: #fff;
  background: var(--apple-blue);
  border: none;
  border-radius: var(--apple-radius-lg);
}

.quick-actions-card .btn {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.quick-actions-card .btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.25);
  box-shadow: none;
}

.page-link {
  color: var(--apple-blue);
  font-size: 0.875rem;
  border-color: var(--apple-gray-2);
  border-radius: var(--apple-radius-sm);
}

.page-item.active .page-link {
  background: var(--apple-blue);
  border-color: var(--apple-blue);
}

.text-primary { color: var(--apple-blue) !important; }
.text-muted { color: var(--apple-secondary-label) !important; }
.text-warning-dark { color: #8a4e00 !important; }
.bg-primary { background: var(--apple-blue) !important; }
.fw-medium { font-weight: 500 !important; }
.font-italic { font-style: italic !important; }
.border-dashed { border: 1px dashed var(--apple-gray-3) !important; }
.shadow-sm { box-shadow: var(--apple-shadow-sm) !important; }
.shadow { box-shadow: var(--apple-shadow-md) !important; }
.rounded-3 { border-radius: var(--apple-radius-md) !important; }
.rounded-4 { border-radius: var(--apple-radius-lg) !important; }
hr { border-color: var(--apple-divider); }

.login-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(0, 113, 227, 0.12), transparent 30rem),
    linear-gradient(135deg, #f8fbff 0%, #eef4ea 100%);
}

.login-card {
  width: 100%;
  max-width: 430px;
}

.login-logo {
  display: block;
  width: min(180px, 70%);
  max-height: 72px;
  margin-right: auto;
  margin-left: auto;
  object-fit: contain;
}

@media (min-width: 992px) {
  .main-content {
    padding-right: 28px;
    padding-left: 28px;
  }

  body.sidebar-collapsed .sidebar {
    width: 64px;
  }

  body.sidebar-collapsed .sidebar-brand,
  body.sidebar-collapsed .nav-section-label,
  body.sidebar-collapsed .nav-text {
    display: none;
  }

  body.sidebar-collapsed .sidebar a,
  body.sidebar-collapsed .logout-btn {
    justify-content: center;
    padding: 10px;
    margin: 1px 4px;
  }

  body.sidebar-collapsed .sidebar a i,
  body.sidebar-collapsed .logout-btn i {
    width: auto;
  }

  body.sidebar-collapsed .main-content {
    margin-left: 64px;
  }

  body.sidebar-collapsed .top-navbar {
    left: 64px;
  }
}

/* Extra Large Screens Optimized */
@media (min-width: 1400px) {
  .main-content {
    padding-right: 48px;
    padding-left: 48px;
  }
}

/* Ultra Wide Screens */
@media (min-width: 1920px) {
  .main-content {
    padding-right: 80px;
    padding-left: 80px;
  }
  
  .main-content > .container-fluid {
    max-width: 1800px; /* Still keep some maximum to prevent extreme stretching, but much wider than before */
    margin-right: auto;
    margin-left: auto;
  }
}

@media (max-width: 991.98px) {
  .sidebar {
    width: min(var(--sidebar-width), 84vw);
    transform: translateX(-100%);
  }

  .top-navbar {
    left: 0;
    padding: 0 16px;
  }

  .main-content {
    margin-left: 0;
    padding: calc(var(--topbar-height) + 20px) 16px 28px;
  }

  .main-content > .container-fluid {
    width: 100%;
  }

  body.sidebar-expanded .sidebar {
    transform: translateX(0);
  }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 1040;
    display: none;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(2px);
  }

  body.sidebar-expanded .sidebar-overlay {
    display: block;
  }

  .page-header,
  .card-header {
    gap: 12px;
  }

  .page-header.d-flex,
  .card-header.d-flex {
    flex-wrap: wrap;
  }
}

@media (max-width: 767.98px) {
  .main-content {
    padding-right: 12px;
    padding-left: 12px;
  }

  .container-fluid {
    padding-right: 0;
    padding-left: 0;
  }

  .card-body {
    padding: 16px;
  }

  .stat-card {
    padding: 16px;
  }

  .page-header.d-flex,
  .card-header.d-flex,
  .d-flex.justify-content-between {
    align-items: stretch !important;
  }

  .page-header > .d-flex,
  .card-header > .d-flex {
    flex-wrap: wrap;
  }

  form .d-flex.justify-content-end,
  .card-body > .d-flex.justify-content-end {
    flex-wrap: wrap;
  }

  form .d-flex.justify-content-end .btn,
  .card-body > .d-flex.justify-content-end .btn {
    flex: 1 1 140px;
  }

  .table {
    min-width: 640px;
  }
}

@media (max-width: 575.98px) {
  .top-navbar {
    gap: 8px;
  }

  .main-content {
    padding-top: calc(var(--topbar-height) + 16px);
  }

  .page-header {
    margin-bottom: 18px;
  }

  .card {
    margin-bottom: 16px;
    border-radius: var(--apple-radius-md);
  }

  .card-header {
    padding: 12px 16px;
  }

  .btn {
    padding-right: 0.85rem;
    padding-left: 0.85rem;
  }

  .login-page .container {
    padding-right: 16px;
    padding-left: 16px;
  }
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--apple-gray-3);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--apple-gray-4);
}