:root {
    --app-color-primary: #21368b;
    --app-color-accent: #94c5f6;
    --app-color-accent-soft: rgba(148, 197, 246, 0.35);
    --app-color-danger: #ed1c24;
    --app-color-background: #f8f8f8;
    --app-color-border: #d2d2d2;
    --app-color-muted: #a9a9a9;
    --app-color-surface: #ffffff;
}

body.app-shell {
    margin: 0;
    background: linear-gradient(140deg, var(--app-color-background) 0%, var(--app-color-background) 55%, var(--app-color-background) 100%);
    color: var(--app-color-primary);
    font-family: "Roboto", sans-serif;
    font-weight: 400;
}

.app-layout {
    min-height: 100vh;
    display: flex;
}

.app-sidebar {
    width: 320px;
    background: linear-gradient(180deg, var(--app-color-background) 0%, var(--app-color-background) 100%);
    border-right: 1px solid var(--app-color-border);
    box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.55);
}

.app-sidebar-scroll {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    padding: 1.1rem 0.9rem 1.3rem;
}

.app-sidebar-card {
    border-radius: 16px;
    background: var(--app-color-surface);
    border: 1px solid var(--app-color-border);
    box-shadow: 0 14px 34px rgba(33, 54, 139, 0.12);
    padding: 0.8rem;
}

.app-sidebar-card + .app-sidebar-card {
    margin-top: 0.85rem;
}

.app-sidebar-actions-card {
    background: linear-gradient(180deg, var(--app-color-surface) 0%, var(--app-color-background) 100%);
    border-color: var(--app-color-border);
}

.app-sidebar-card-title {
    margin: 0 0 0.55rem;
    padding: 0.25rem 0.3rem 0.55rem;
    border-bottom: 1px solid var(--app-color-border);
    font-size: 0.8rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--app-color-primary);
    font-weight: 800;
}

.app-sidebar-main-menu,
.app-sidebar-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.app-sidebar-item + .app-sidebar-item {
    margin-top: 0.25rem;
}

.app-sidebar-link,
.app-sidebar-sublink {
    position: relative;
    display: block;
    color: var(--app-color-primary);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.22s ease;
}

.app-sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.65rem 0.8rem;
    font-weight: 600;
}

.app-sidebar-link-main,
.app-sidebar-sub-main,
.app-sidebar-group-main {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 0;
}

.app-sidebar-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.65rem;
    height: 1.65rem;
    border-radius: 9px;
    background: var(--app-color-accent-soft);
    color: var(--app-color-primary);
    flex: 0 0 auto;
    transition: all 0.2s ease;
}

.app-sidebar-icon svg {
    width: 0.96rem;
    height: 0.96rem;
}

.app-sidebar-link:hover,
.app-sidebar-sublink:hover {
    background: var(--app-color-accent-soft);
    color: var(--app-color-primary);
    text-decoration: none;
    transform: translateX(2px);
}

.app-sidebar-link.is-active,
.app-sidebar-sublink.is-active {
    background: linear-gradient(100deg, var(--app-color-primary) 0%, var(--app-color-accent) 100%);
    color: var(--app-color-background);
    box-shadow: 0 10px 20px rgba(33, 54, 139, 0.28);
}

.app-sidebar-link.is-active .app-sidebar-icon,
.app-sidebar-sublink.is-active .app-sidebar-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--app-color-surface);
}

.app-sidebar-link-mark {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.35;
    flex: 0 0 auto;
}

.app-sidebar-link.is-active .app-sidebar-link-mark {
    opacity: 0.9;
}

.app-sidebar-group-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    font-size: 0.77rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--app-color-muted);
    font-weight: 800;
    padding: 0.85rem 0.55rem 0.4rem;
    cursor: pointer;
    list-style: none;
}

.app-sidebar-group-main .app-sidebar-icon {
    width: 1.45rem;
    height: 1.45rem;
}

.app-sidebar-group-label::-webkit-details-marker {
    display: none;
}

.app-sidebar-group-details {
    border-radius: 12px;
}

.app-sidebar-group-details[open] {
    background: var(--app-color-background);
}

.app-sidebar-group-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.app-sidebar-group-count {
    display: inline-block;
    min-width: 22px;
    text-align: center;
    border-radius: 999px;
    padding: 0.05rem 0.4rem;
    font-size: 0.7rem;
    color: var(--app-color-primary);
    background: var(--app-color-accent-soft);
}

.app-sidebar-group-chevron {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--app-color-muted);
    transition: transform 0.2s ease;
}

.app-sidebar-group-details[open] .app-sidebar-group-chevron {
    transform: rotate(180deg);
}

.app-sidebar-submenu {
    margin-left: 0.35rem;
    padding-left: 0.5rem;
    border-left: 2px solid var(--app-color-border);
}

.app-sidebar-subitem + .app-sidebar-subitem {
    margin-top: 0.15rem;
}

.app-sidebar-sublink {
    padding: 0.47rem 0.68rem;
    font-size: 0.95rem;
}

.app-sidebar-sub-main {
    font-size: inherit;
}

.app-sidebar-sub-main .app-sidebar-icon {
    width: 1.42rem;
    height: 1.42rem;
    border-radius: 8px;
}

.app-sidebar-actions .btn {
    width: 100%;
    margin: 0 0 0.45rem !important;
    border-radius: 10px;
    font-weight: 700;
    border-width: 0;
    box-shadow: 0 8px 18px rgba(33, 54, 139, 0.2);
}

.app-sidebar-actions form {
    margin-top: 0.5rem;
}

.app-sidebar-actions .btn-danger {
    box-shadow: 0 10px 18px rgba(237, 28, 36, 0.3);
}

.app-content {
    flex: 1;
    min-width: 0;
    padding: 1.5rem;
}

.app-content-inner {
    max-width: none;
    width: 100%;
}

.app-page-body {
    min-width: 0;
}

.app-content-inner {
    border-radius: 18px !important;
    border: 1px solid var(--app-color-border);
    box-shadow: 0 20px 44px rgba(33, 54, 139, 0.18) !important;
    background: linear-gradient(180deg, var(--app-color-surface) 0%, var(--app-color-background) 100%);
}

.app-page-body > .container {
    max-width: 100%;
    width: 100%;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.app-page-body h1 {
    margin: 0 0 1rem;
}

.app-page-body h1 .badge.badge-secondary {
    display: inline-flex;
    align-items: center;
    border-radius: 12px;
    background: linear-gradient(120deg, var(--app-color-primary) 0%, var(--app-color-accent) 100%);
    color: var(--app-color-surface);
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    padding: 0.5rem 0.9rem;
    box-shadow: 0 12px 24px rgba(33, 54, 139, 0.25);
}

.app-heading-badge {
    gap: 0.55rem;
}

.app-ui-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    flex: 0 0 auto;
}

.app-ui-icon svg {
    width: 100%;
    height: 100%;
}

.app-heading-icon {
    width: 1.5rem;
    height: 1.5rem;
    padding: 0.22rem;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.18);
}

.app-page-body .nav-tabs {
    border-bottom: 1px solid var(--app-color-border);
    gap: 0.35rem;
}

.app-page-body .nav-tabs .nav-link {
    color: var(--app-color-primary);
    background: var(--app-color-background);
    border: 1px solid var(--app-color-border);
    border-bottom: 0;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
    font-weight: 700;
    padding: 0.55rem 1rem;
    transition: all 0.2s ease;
}

.app-page-body .nav-tabs .nav-link:hover {
    color: var(--app-color-primary);
    background: var(--app-color-accent-soft);
    border-color: var(--app-color-border);
}

.app-page-body .nav-tabs .nav-link.active,
.app-page-body .nav-tabs .nav-item.active .nav-link {
    color: var(--app-color-primary);
    background: var(--app-color-surface);
    border-color: var(--app-color-border);
    box-shadow: 0 -8px 16px rgba(33, 54, 139, 0.12);
}

.app-page-body .tab-content {
    background: var(--app-color-surface);
    border: 1px solid var(--app-color-border);
    border-top: 0;
    border-radius: 0 14px 14px 14px;
    padding: 1rem 1.1rem;
    box-shadow: 0 14px 28px rgba(33, 54, 139, 0.12);
}

.app-page-body .table {
    border-collapse: separate;
    border-spacing: 0;
    margin: 0;
    color: var(--app-color-primary);
}

.app-page-body .table th,
.app-page-body .table td {
    border-top-color: var(--app-color-border);
    border-bottom-color: var(--app-color-border);
    vertical-align: middle;
}

.app-page-body .table thead th {
    background: var(--app-color-background);
    color: var(--app-color-primary);
    border-top: 1px solid var(--app-color-border);
    font-weight: 800;
    letter-spacing: 0.01em;
}

.app-page-body .table tbody th {
    color: var(--app-color-primary);
    font-weight: 700;
    background: var(--app-color-background);
}

.app-page-body .table tbody tr:nth-child(even) td {
    background: var(--app-color-background);
}

.app-page-body .table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--app-color-background);
}

.app-page-body .table tbody tr:hover td,
.app-page-body .table tbody tr:hover th {
    background: var(--app-color-accent-soft);
}

.app-page-body .dataTables_wrapper {
    margin-top: 0.4rem;
}

.app-page-body .dataTables_wrapper .dataTables_length,
.app-page-body .dataTables_wrapper .dataTables_filter {
    margin-bottom: 0.65rem;
}

.app-page-body .dataTables_wrapper .dataTables_length select,
.app-page-body .dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--app-color-border);
    border-radius: 10px;
    background: var(--app-color-surface);
    color: var(--app-color-primary);
    min-height: 36px;
    padding: 0.35rem 0.6rem;
}

.app-page-body .dataTables_wrapper .dataTables_length select:focus,
.app-page-body .dataTables_wrapper .dataTables_filter input:focus {
    outline: 0;
    border-color: var(--app-color-accent);
    box-shadow: 0 0 0 0.2rem rgba(148, 197, 246, 0.35);
}

.app-page-body .dataTables_wrapper .dt-buttons {
    margin-bottom: 0.6rem;
}

.app-page-body .dataTables_wrapper .dt-button,
.app-page-body .dataTables_wrapper .dt-buttons .btn {
    border: 1px solid var(--app-color-border) !important;
    border-radius: 10px !important;
    background: var(--app-color-background) !important;
    color: var(--app-color-primary) !important;
    font-weight: 700;
    padding: 0.35rem 0.75rem !important;
    box-shadow: none !important;
}

.app-page-body .dataTables_wrapper .dt-button:hover,
.app-page-body .dataTables_wrapper .dt-buttons .btn:hover {
    background: var(--app-color-accent-soft) !important;
    border-color: var(--app-color-accent) !important;
}

.app-page-body .dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 8px !important;
    border: 1px solid var(--app-color-border) !important;
    background: var(--app-color-background) !important;
    color: var(--app-color-primary) !important;
    margin-left: 0.2rem;
}

.app-page-body .dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: linear-gradient(120deg, var(--app-color-primary) 0%, var(--app-color-accent) 100%) !important;
    color: var(--app-color-surface) !important;
    border-color: var(--app-color-primary) !important;
}

.app-page-body .form-group label,
.app-page-body .form-row label {
    color: var(--app-color-primary);
    font-weight: 700;
    font-size: 0.92rem;
}

.app-page-body .form-control,
.app-page-body .custom-select,
.app-page-body input[type="date"],
.app-page-body input[type="text"],
.app-page-body input[type="email"],
.app-page-body input[type="password"],
.app-page-body input[type="number"],
.app-page-body textarea,
.app-page-body select {
    border-radius: 10px;
    border: 1px solid var(--app-color-border);
    background: var(--app-color-background);
    color: var(--app-color-primary);
}

.app-page-body .form-control:focus,
.app-page-body .custom-select:focus,
.app-page-body input:focus,
.app-page-body textarea:focus,
.app-page-body select:focus {
    border-color: var(--app-color-accent);
    box-shadow: 0 0 0 0.2rem rgba(148, 197, 246, 0.35);
}

.app-page-body .btn {
    border-radius: 12px;
    border: 0;
    font-weight: 800;
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 40px;
    box-shadow: 0 10px 22px rgba(33, 54, 139, 0.2);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.app-page-body .btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.02);
}

.app-page-body .btn:focus {
    box-shadow: 0 0 0 0.22rem rgba(148, 197, 246, 0.38), 0 8px 16px rgba(33, 54, 139, 0.22);
}

.app-page-body .btn-primary {
    background: linear-gradient(125deg, var(--app-color-primary) 0%, var(--app-color-accent) 100%);
}

.app-page-body .btn-info {
    background: linear-gradient(125deg, var(--app-color-accent) 0%, var(--app-color-accent) 100%);
    color: var(--app-color-surface);
}

.app-page-body .btn-success {
    background: linear-gradient(125deg, var(--app-color-accent) 0%, var(--app-color-accent) 100%);
}

.app-page-body .btn-danger {
    background: linear-gradient(125deg, var(--app-color-danger) 0%, var(--app-color-danger) 100%);
}

.app-page-body .btn-secondary {
    background: linear-gradient(125deg, var(--app-color-muted) 0%, var(--app-color-muted) 100%);
}

.app-page-body .app-btn-icon {
    width: 1.25rem;
    height: 1.25rem;
    padding: 0.16rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 991.98px) {
    .app-layout {
        flex-direction: column;
    }

    .app-sidebar {
        width: 100%;
        border-right: 0;
        border-bottom: 1px solid var(--app-color-border);
    }

    .app-sidebar-scroll {
        position: static;
        height: auto;
        max-height: none;
        padding: 0.8rem;
    }

    .app-content {
        padding: 1rem;
    }

    .app-page-body > .container {
        padding-left: 0;
        padding-right: 0;
    }

    .app-page-body .tab-content {
        border-radius: 0 0 12px 12px;
        padding: 0.75rem;
    }
}