:root {
    --portal-bg: #f3f5f7;
    --portal-surface: #ffffff;
    --portal-border: #d7dde3;
    --portal-text: #17212b;
    --portal-muted: #52606d;
    --portal-primary: #245a86;
    --portal-primary-dark: #194263;
    --portal-sidebar: #202b36;
    --portal-sidebar-hover: #2b3946;
    --portal-sidebar-width: 272px;
    --bs-primary: #245a86;
    --bs-primary-rgb: 36, 90, 134;
    --bs-secondary-color: #52606d;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    background: var(--portal-bg);
    color: var(--portal-text);
    font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: .9375rem;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.portal-shell {
    min-height: 100vh;
}

.portal-sidebar {
    width: var(--portal-sidebar-width) !important;
    background: var(--portal-sidebar) !important;
    border-right: 1px solid #16202a;
}

.portal-sidebar-content {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.portal-brand {
    padding: 1.25rem 1.5rem;
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.01em;
    text-decoration: none;
    border-bottom: 1px solid var(--bs-secondary);
}

.portal-brand:hover,
.portal-brand:focus {
    color: #fff;
}

.portal-navigation {
    flex: 1;
    padding: 1rem .75rem 1.5rem;
    overflow-y: auto;
}

.portal-menu-group + .portal-menu-group {
    margin-top: 1rem;
}

.portal-menu-heading {
    margin: 0 0 .25rem;
}

.portal-menu-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: .5rem .75rem;
    color: #b9c5d0;
    background: transparent;
    border: 0;
    border-radius: .375rem;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-align: left;
    text-transform: uppercase;
}

.portal-menu-toggle::after {
    width: .55rem;
    height: .55rem;
    content: "";
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .2s ease;
}

.portal-menu-toggle[aria-expanded="true"]::after {
    transform: rotate(225deg);
}

.portal-menu-toggle:hover,
.portal-menu-toggle:focus-visible {
    color: #fff;
    background: var(--portal-sidebar-hover);
}

.portal-menu-link {
    display: block;
    margin: .125rem 0;
    padding: .55rem .75rem .55rem 1rem;
    color: #d9e1e8;
    text-decoration: none;
    border-radius: .375rem;
}

.portal-menu-link:hover,
.portal-menu-link:focus,
.portal-menu-link.active {
    color: #fff;
    background: var(--portal-sidebar-hover);
}

.portal-menu-link.active {
    font-weight: 600;
    background: #33495b;
    box-shadow: inset 3px 0 0 #65a9df;
}

.portal-user {
    display: grid;
    gap: .75rem;
    padding: 1rem 1.5rem;
}

.portal-content {
    width: 100%;
    max-width: 1600px;
    padding: 1.5rem;
}

@media (min-width: 992px) {
    .portal-shell {
        display: grid;
        grid-template-columns: var(--portal-sidebar-width) minmax(0, 1fr);
    }

    .portal-sidebar {
        position: sticky;
        top: 0;
        height: 100vh;
    }

    .portal-content {
        min-width: 0;
        padding: 2rem 2.25rem 3rem;
    }
}

.card,
.table-responsive,
.empty-state {
    background: var(--portal-surface);
}

h1, h2, h3, h4, h5, h6 {
    color: #14202b;
    font-weight: 650;
    letter-spacing: -.018em;
}

.h2, h1.h2 {
    font-size: clamp(1.55rem, 2vw, 1.85rem);
}

.text-secondary,
.form-text {
    color: var(--portal-muted) !important;
}

.card {
    border-color: var(--portal-border);
    border-radius: .5rem;
    box-shadow: 0 1px 2px rgba(20, 32, 43, .05);
}

.card-header {
    padding: .9rem 1.1rem;
    background: #f8f9fb;
    border-bottom-color: var(--portal-border);
}

.card-body {
    padding: 1.1rem;
}

.table-responsive {
    border-color: var(--portal-border) !important;
    border-radius: .5rem !important;
    box-shadow: 0 1px 2px rgba(20, 32, 43, .04);
}

.table {
    --bs-table-color: var(--portal-text);
    --bs-table-hover-bg: #f4f8fb;
    font-size: .9rem;
}

.table > :not(caption) > * > * {
    padding: .72rem .8rem;
    border-bottom-color: #e1e6eb;
}

.table thead th,
.table-light th {
    color: #33414e;
    background: #edf1f4;
    border-bottom: 1px solid #cbd3da;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .025em;
    text-transform: uppercase;
    white-space: nowrap;
}

.table thead a {
    color: #264e6d;
    text-decoration: none;
}

.table thead a:hover {
    color: #123a59;
    text-decoration: underline;
}

.form-label {
    margin-bottom: .35rem;
    color: #2c3945;
    font-size: .875rem;
    font-weight: 600;
}

.form-control,
.form-select {
    min-height: 2.55rem;
    color: #16222d;
    background-color: #fff;
    border-color: #b9c3cc;
    border-radius: .375rem;
}

.form-control::placeholder {
    color: #7a8793;
    opacity: 1;
}

.form-control[readonly] {
    background: #eef1f4;
    color: #45525e;
}

.btn {
    min-height: 2.45rem;
    border-radius: .375rem;
    font-weight: 600;
}

.btn-sm {
    min-height: 2rem;
}

.btn-primary {
    --bs-btn-bg: var(--portal-primary);
    --bs-btn-border-color: var(--portal-primary);
    --bs-btn-hover-bg: var(--portal-primary-dark);
    --bs-btn-hover-border-color: var(--portal-primary-dark);
}

.btn-secondary {
    --bs-btn-bg: #52616f;
    --bs-btn-border-color: #52616f;
    --bs-btn-hover-bg: #3e4c58;
    --bs-btn-hover-border-color: #3e4c58;
}

.alert {
    color: #1c2731;
    border-width: 1px;
    border-radius: .45rem;
}

.alert-success { background: #e8f3ec; border-color: #a8ccb4; }
.alert-danger { background: #faeaea; border-color: #dfb1b1; }
.alert-warning { background: #fff4d9; border-color: #e1c57d; }

.badge {
    font-weight: 650;
    letter-spacing: .01em;
}

.pagination {
    --bs-pagination-color: #245a86;
    --bs-pagination-border-color: #cbd3da;
    --bs-pagination-hover-bg: #e8eef3;
}

.empty-state {
    color: var(--portal-muted);
    border-color: var(--portal-border) !important;
}

@media (max-width: 991.98px) {
    .portal-mobile-header {
        background: var(--portal-sidebar) !important;
    }

    .portal-content {
        padding: 1.25rem 1rem 2rem;
    }
}

@media (max-width: 575.98px) {
    body { font-size: .9rem; }
    .card-body { padding: .9rem; }
    .table > :not(caption) > * > * { padding: .62rem .65rem; }
}

.form-card {
    max-width: 760px;
}

.role-multi-select {
    min-height: 11rem;
}

.validation-summary:empty,
.field-validation-valid {
    display: none;
}

.input-validation-error {
    border-color: var(--bs-danger);
}

.page-link:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus,
.btn:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(13, 110, 253, .35);
    outline-offset: 2px;
}