:root {
    color-scheme: light;
    --app-primary: #245ca6;
    --app-primary-dark: #19477f;
    --app-ink: #172b45;
    --app-muted: #66758a;
    --app-border: #e1e8f0;
    --app-surface: #ffffff;
    --app-background: #f3f6fa;
    --app-sidebar: #172b45;
    --app-sidebar-hover: #243d5d;
    --app-radius: 0.9rem;
    --app-shadow: 0 0.35rem 1.25rem rgba(28, 48, 74, 0.07);
}

body {
    background: var(--app-background);
    color: var(--app-ink);
    font-family: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--app-primary);
}

a:hover {
    color: var(--app-primary-dark);
}

.app-topbar {
    background: linear-gradient(110deg, #172b45, #22466f) !important;
    box-shadow: 0 0.2rem 0.8rem rgba(14, 31, 52, 0.18);
}

.app-topbar .navbar-brand {
    font-weight: 700;
    letter-spacing: 0.01em;
}

.app-sidebar {
    background: var(--app-sidebar) !important;
    box-shadow: 0.3rem 0 1rem rgba(14, 31, 52, 0.08);
}

.app-sidebar .offcanvas-body {
    padding: 1.25rem 0.8rem !important;
}

.app-sidebar .navbar-nav {
    gap: 0.25rem;
}

.app-sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    min-height: 2.75rem;
    padding: 0.65rem 0.8rem;
    color: #d3deeb;
    font-size: 0.94rem;
    font-weight: 500;
    transition: color 140ms ease, background-color 140ms ease;
}

.app-sidebar .nav-link i {
    flex: 0 0 1.5rem;
    display: inline-flex;
    justify-content: center;
    margin-right: 0.9rem !important;
    color: #a9c4e3;
    text-align: center;
}

.app-sidebar .nav-link:hover,
.app-sidebar .nav-link:focus,
.app-sidebar .nav-link.active {
    background: var(--app-sidebar-hover);
    color: #ffffff;
}

.app-sidebar .nav-link.active {
    box-shadow: inset 3px 0 #79b7ff;
}

.app-sidebar .nav-link.active i {
    color: #ffffff;
}

.app-main {
    min-height: 100vh;
    margin-top: 0 !important;
    padding: 5.25rem clamp(1rem, 2.4vw, 2.5rem) 2rem;
}

.app-main > .container,
.app-main > .container-fluid {
    padding-right: 0;
    padding-left: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--app-ink);
    letter-spacing: -0.025em;
}

h1,
h2 {
    font-weight: 700;
}

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

h2 {
    font-size: clamp(1.35rem, 1.7vw, 1.75rem);
}

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

.card {
    overflow: hidden;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
}

.card-header {
    padding: 0.9rem 1.15rem;
    border-bottom: 1px solid var(--app-border);
    background: #f9fbfd;
    color: var(--app-ink);
    font-weight: 650;
}

.card-body {
    padding: clamp(1rem, 2vw, 1.4rem);
}

.card-footer {
    border-top: 1px solid var(--app-border);
    background: #fbfcfe;
}

.btn {
    border-radius: 0.55rem;
    font-weight: 600;
    transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.nav-link:focus-visible {
    outline: 3px solid rgba(74, 146, 224, 0.35);
    outline-offset: 2px;
}

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

.btn-dark {
    --bs-btn-bg: var(--app-ink);
    --bs-btn-border-color: var(--app-ink);
    --bs-btn-hover-bg: #0f2035;
    --bs-btn-hover-border-color: #0f2035;
}

.form-label {
    margin-bottom: 0.4rem;
    color: #344861;
    font-size: 0.92rem;
    font-weight: 600;
}

.form-control,
.form-select,
.select2-container--bootstrap-5 .select2-selection {
    min-height: 2.75rem;
    border-color: #d5deea;
    border-radius: 0.55rem;
    color: var(--app-ink);
}

.form-control:focus,
.form-select:focus,
.select2-container--bootstrap-5.select2-container--focus .select2-selection {
    border-color: #78a9dc;
    box-shadow: 0 0 0 0.2rem rgba(36, 92, 166, 0.13);
}

textarea.form-control {
    min-height: 6rem;
}

.table-responsive {
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    background: var(--app-surface);
}

.table {
    --bs-table-color: var(--app-ink);
    --bs-table-border-color: #e8edf3;
    margin-bottom: 0;
    vertical-align: middle;
}

.table > :not(caption) > * > * {
    padding: 0.85rem 0.9rem;
}

.table thead th {
    background: #f5f8fc;
    color: #40556f;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.035em;
    text-transform: uppercase;
    white-space: nowrap;
}

.table thead th a {
    color: inherit;
    text-decoration: none;
}

.table thead th a:hover {
    color: var(--app-primary);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    --bs-table-bg-type: #fafbfd;
}

.table-hover > tbody > tr:hover > * {
    --bs-table-bg-state: #f0f6fd;
}

.badge {
    padding: 0.45em 0.7em;
    border-radius: 999px;
    font-weight: 650;
    letter-spacing: 0.01em;
}

.alert {
    border: 0;
    border-left: 4px solid currentColor;
    border-radius: 0.65rem;
    box-shadow: 0 0.15rem 0.7rem rgba(28, 48, 74, 0.05);
}

.pagination {
    gap: 0.25rem;
}

.page-link {
    border-color: var(--app-border);
    border-radius: 0.45rem;
    color: var(--app-primary);
}

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

.accordion-item {
    border-color: var(--app-border);
}

.accordion-button {
    color: var(--app-ink);
    font-weight: 600;
}

.accordion-button:not(.collapsed) {
    background: #eef5fc;
    color: var(--app-primary-dark);
    box-shadow: none;
}

.login-main {
    background:
        radial-gradient(ellipse at 15% 10%, rgba(72, 130, 196, 0.1), transparent 36%),
        radial-gradient(ellipse at 90% 90%, rgba(52, 104, 166, 0.09), transparent 32%),
        var(--app-background);
}

.login-main .card {
    width: 100%;
}

@media (max-width: 991.98px) {
    .app-sidebar {
        top: 56px;
        bottom: auto;
        width: 100%;
        height: auto;
        max-height: 4.25rem;
    }

    .app-sidebar .offcanvas-body {
        overflow-x: auto;
        overflow-y: hidden;
        padding: 0.45rem 0.7rem !important;
        scrollbar-width: thin;
    }

    .app-sidebar .navbar-nav {
        width: max-content;
        flex-direction: row;
        gap: 0.2rem;
    }

    .app-sidebar .nav-item {
        flex: 0 0 auto;
    }

    .app-sidebar .nav-link {
        min-height: 2.75rem;
        padding: 0.6rem 0.75rem;
    }

    .app-sidebar .nav-link.active {
        box-shadow: inset 0 -3px #79b7ff;
    }

    .app-main {
        max-width: 100%;
        margin-left: 0;
        padding: 9.5rem 1rem 1.5rem;
    }
}

@media (max-width: 575.98px) {
    .app-topbar .navbar-brand {
        font-size: 1rem;
    }

    .app-main {
        padding-right: 0.75rem;
        padding-left: 0.75rem;
    }

    .app-main .d-flex.justify-content-between {
        align-items: flex-start !important;
    }

    .app-main .btn-group {
        max-width: 100%;
        flex-wrap: wrap;
    }

    .table > :not(caption) > * > * {
        padding: 0.7rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}