:root {
  --erp-bg: #f2f5fa;
  --erp-surface: #ffffff;
  --erp-surface-soft: #f8fafd;
  --erp-line: #d9e2ec;
  --erp-line-strong: #c5d1de;
  --erp-text: #1f2a37;
  --erp-text-muted: #60748a;
  --erp-primary: #1e4ed8;
  --erp-primary-dark: #173ea9;
  --erp-success: #0f9f6e;
  --erp-danger: #dc3545;
  --erp-topbar-a: #061a2f;
  --erp-topbar-b: #0a2948;
}

html, body {
  background: var(--erp-bg);
  color: var(--erp-text);
}

body.erp-body {
  min-height: 100vh;
  background:
    radial-gradient(1200px 280px at 0% -10%, #dbeafe 0%, rgba(219, 234, 254, 0) 55%),
    radial-gradient(1000px 240px at 100% -8%, #d1fae5 0%, rgba(209, 250, 229, 0) 52%),
    var(--erp-bg);
}

.erp-topbar {
  background: #0b2239;
  border-bottom: 1px solid #163a5b !important;
}

.erp-topbar .container-fluid {
  min-height: 54px;
}

.erp-brand {
  text-decoration: none;
  gap: 0.3rem !important;
}

.erp-brand-wordmark {
  display: inline-flex;
  flex-direction: column;
  line-height: 0.98;
  gap: 0.02rem;
}

.erp-brand-name {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #f8fbff;
}

.erp-brand-name-sub {
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #93c5fd;
}

.erp-brand-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.erp-main-modules {
  flex: 1 1 auto;
  flex-wrap: nowrap;
  overflow: visible;
  scrollbar-width: none;
}

.erp-main-modules::-webkit-scrollbar {
  display: none;
}

.erp-main-modules::-webkit-scrollbar-thumb {
  background: #335d83;
  border-radius: 999px;
}

.erp-main-modules .nav-item {
  flex: 0 0 auto;
}

.erp-module-link {
  font-size: 0.8rem;
  font-weight: 650;
  color: #dbe7f3 !important;
  border-left: 1px solid #244768;
  min-height: 58px;
  padding: 0 0.72rem !important;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.erp-module-link:hover,
.erp-module-link:focus,
.erp-module-link.show {
  color: #ffffff !important;
  background: #153a5d;
}

.erp-main-actions {
  flex: 0 0 auto;
  margin-left: auto;
}

.erp-topbar .navbar-collapse {
  overflow: visible;
}

/* Tailwind utility `.collapse { visibility: collapse; }` conflicts with Bootstrap collapse. */
.erp-topbar #erpMainNav.collapse,
.erp-topbar #erpMainNav.collapsing {
  visibility: visible !important;
}

.erp-create-btn,
.erp-user-btn {
  border-radius: 0.55rem;
  min-height: 34px;
  font-weight: 650;
  padding-left: 0.7rem;
  padding-right: 0.7rem;
}

.erp-create-btn {
  background: var(--erp-primary);
  border-color: var(--erp-primary);
}

.erp-create-btn:hover,
.erp-create-btn:focus {
  background: var(--erp-primary-dark);
  border-color: var(--erp-primary-dark);
}

.erp-user-btn {
  border-color: #345d80;
}

.erp-user-btn:hover,
.erp-user-btn:focus {
  background: #153a5d;
  border-color: #153a5d;
}

.erp-topbar .dropdown-menu {
  border: 1px solid var(--erp-line);
  border-radius: 0.7rem;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18);
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

.erp-topbar .dropdown-header {
  color: #64748b;
  font-size: 0.69rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
}

.erp-topbar .dropdown-item {
  font-size: 0.84rem;
  padding: 0.45rem 0.85rem;
}

.erp-topbar .dropdown-item:hover,
.erp-topbar .dropdown-item:focus {
  background: #eff6ff;
  color: #1d4ed8;
}

.erp-topbar .dropdown-item:active {
  background: var(--erp-primary);
  color: #fff;
}

.erp-subnav {
  background: var(--erp-surface);
}

.erp-subnav-tabs {
  gap: 0.1rem;
  margin-bottom: 0;
  padding-top: 0.45rem;
  scrollbar-width: none;
}

.erp-subnav-tabs::-webkit-scrollbar {
  display: none;
}

.erp-subnav-tabs .nav-link {
  font-size: 0.79rem;
  font-weight: 680;
  color: #4b6075;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: 0.45rem 0.45rem 0 0;
  padding: 0.44rem 0.72rem;
  white-space: nowrap;
}

.erp-subnav-tabs .nav-link:hover {
  background: #eef4ff;
  color: var(--erp-primary);
  border-color: #c9dafc;
}

.erp-subnav-tabs .nav-link.active {
  color: var(--erp-primary);
  background: #fff;
  border-color: #c9dafc #c9dafc #fff;
}

.erp-content-shell {
  background: var(--erp-surface);
  border: 1px solid var(--erp-line);
  border-radius: 0.95rem;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  padding: 1rem;
}

.erp-app .card {
  border: 1px solid var(--erp-line);
  border-radius: 0.75rem;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
}

.erp-app .card-header {
  background: var(--erp-surface-soft);
  border-bottom: 1px solid var(--erp-line);
  font-weight: 650;
}

.erp-app .btn {
  border-radius: 0.5rem;
  font-weight: 620;
  letter-spacing: 0.01em;
}

.erp-app .btn-sm {
  padding: 0.28rem 0.62rem;
}

.erp-app .btn-primary {
  background: var(--erp-primary);
  border-color: var(--erp-primary);
}

.erp-app .btn-primary:hover,
.erp-app .btn-primary:focus {
  background: var(--erp-primary-dark);
  border-color: var(--erp-primary-dark);
}

.erp-app .btn-success {
  background: var(--erp-success);
  border-color: var(--erp-success);
}

.erp-app .btn-danger {
  background: var(--erp-danger);
  border-color: var(--erp-danger);
}

.erp-app .form-label {
  font-size: 0.76rem;
  font-weight: 650;
  color: #44586e;
  margin-bottom: 0.3rem;
}

.erp-app .form-control,
.erp-app .form-select,
.erp-app textarea,
.erp-app input[type="text"],
.erp-app input[type="number"],
.erp-app input[type="date"],
.erp-app input[type="email"],
.erp-app input[type="search"],
.erp-app input[type="password"] {
  border-color: var(--erp-line);
  background: #fff;
  border-radius: 0.5rem;
  font-size: 0.84rem;
  min-height: 34px;
}

.erp-app .form-control:focus,
.erp-app .form-select:focus,
.erp-app textarea:focus,
.erp-app input[type="text"]:focus,
.erp-app input[type="number"]:focus,
.erp-app input[type="date"]:focus,
.erp-app input[type="email"]:focus,
.erp-app input[type="search"]:focus,
.erp-app input[type="password"]:focus {
  border-color: #9bbcf7;
  box-shadow: 0 0 0 0.16rem rgba(37, 99, 235, 0.15);
}

.erp-app .input-group-text {
  border-color: var(--erp-line);
  background: #f8fbff;
  color: #516376;
}

.erp-app .table-responsive,
.erp-app .overflow-x-auto {
  border: 1px solid var(--erp-line);
  border-radius: 0.7rem;
  background: #fff;
}

.erp-app .table {
  margin-bottom: 0;
  color: var(--erp-text);
}

.erp-app .table > :not(caption) > * > * {
  border-color: #e3e9f1;
  padding: 0.44rem 0.55rem;
  vertical-align: middle;
}

.erp-app .table thead th {
  background: #eef3f9;
  color: #3f5368;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.erp-app .table tbody td {
  font-size: 0.82rem;
}

.erp-app .table-hover tbody tr:hover > * {
  background: #eff6ff;
}

.erp-app table:not(.table) {
  width: 100%;
  border-collapse: collapse;
}

.erp-app table:not(.table) th,
.erp-app table:not(.table) td {
  border: 1px solid #e3e9f1;
  padding: 0.44rem 0.55rem;
  font-size: 0.82rem;
  vertical-align: middle;
}

.erp-app table:not(.table) thead th {
  background: #eef3f9;
  color: #3f5368;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.erp-app .badge,
.erp-app .alert {
  border-radius: 0.5rem;
}

.erp-app .pagination .page-link {
  border-color: var(--erp-line);
  color: #455a70;
  font-size: 0.8rem;
}

.erp-app .pagination .page-item.active .page-link {
  background: var(--erp-primary);
  border-color: var(--erp-primary);
  color: #fff;
}

.erp-app .pagination .page-link:hover {
  background: #eef4ff;
  color: var(--erp-primary);
}

.erp-app .text-muted {
  color: var(--erp-text-muted) !important;
}

.erp-footer {
  border-top: 1px solid var(--erp-line);
  background: #fff;
}

@media (max-width: 991.98px) {
  .erp-brand-name {
    font-size: 0.92rem;
  }

  .erp-brand-name-sub {
    font-size: 0.5rem;
  }

  .erp-main-modules {
    flex-wrap: wrap;
    overflow: visible;
  }

  .erp-module-link {
    border-left: 0;
    min-height: auto;
    padding-top: 0.55rem !important;
    padding-bottom: 0.55rem !important;
  }

  .erp-topbar .dropdown-menu {
    border: 0;
    box-shadow: none;
    background: #0f2d4d;
  }

  .erp-topbar .dropdown-item,
  .erp-topbar .dropdown-header {
    color: #dbe7f3;
  }

  .erp-topbar .dropdown-item:hover,
  .erp-topbar .dropdown-item:focus {
    background: #164268;
    color: #fff;
  }

  .erp-topbar .dropdown-divider {
    border-color: #2b567e;
  }

  .erp-subnav-tabs {
    padding-top: 0.35rem;
  }
}