:root {
    --nis2-blue: #1f4f8f;
    --nis2-cyan: #16a3b8;
    --nis2-green: #2f855a;
    --nis2-ink: #1b2430;
    --nis2-muted: #6b7280;
    --nis2-bg: #f4f7fb;
    --nis2-panel: #fff;
    --nis2-border: #e5e7eb;
    --nis2-field: #fff;
}

html.dark-mode {
    --nis2-blue: #65a8ff;
    --nis2-cyan: #39c7d9;
    --nis2-green: #67d391;
    --nis2-ink: #e8eef8;
    --nis2-muted: #a9b6c8;
    --nis2-bg: #0b1220;
    --nis2-panel: #121c2e;
    --nis2-border: #26364d;
    --nis2-field: #0f1728;
}

body {
    font-family: "Roboto", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--nis2-bg);
    color: var(--nis2-ink);
}

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

.topbar {
    background: var(--nis2-panel);
    border-bottom: 1px solid var(--nis2-border);
    position: sticky;
    top: 0;
    z-index: 1030;
    min-height: 57px;
}

.brand-mark {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    border-radius: 8px;
    background: var(--nis2-blue);
    color: #fff;
    font-weight: 700;
}

.brand-name {
    color: var(--nis2-ink);
}

html.dark-mode .brand-name {
    color: #fff;
}

.sidebar {
    background: #10233f;
    min-height: calc(100vh - 57px);
    height: calc(100vh - 57px);
    position: sticky;
    top: 57px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    overflow-y: auto;
}

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

.sidebar a {
    align-items: center;
    color: #dbeafe;
    display: flex;
    gap: .65rem;
    padding: .75rem 1rem;
    border-radius: .5rem;
    text-decoration: none;
}

.sidebar a > span:last-child {
    min-width: 0;
}

.nav-icon {
    align-items: center;
    color: rgba(255, 255, 255, .82);
    display: inline-flex;
    flex: 0 0 1.25rem;
    font-size: 1.05rem;
    height: 1.25rem;
    justify-content: center;
    line-height: 1;
}

.sidebar a:hover,
.sidebar a.active {
    background: rgba(255, 255, 255, .12);
    color: #fff;
}

.sidebar a:hover .nav-icon,
.sidebar a.active .nav-icon {
    color: #fff;
}

.sidebar-copy {
    color: rgba(219, 234, 254, .68);
    font-size: .75rem;
    line-height: 1.3;
    margin-top: auto;
    padding: 1rem 1rem 0;
    text-align: center;
    white-space: nowrap;
}

.card {
    background: var(--nis2-panel);
    border: 1px solid var(--nis2-border);
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .05);
    color: var(--nis2-ink);
}

.metric {
    align-items: center;
    border-left: 4px solid var(--nis2-cyan);
    display: grid;
    gap: 1rem;
    grid-template-columns: 3.75rem minmax(0, 1fr);
    min-height: 112px;
}

.metric-icon {
    align-items: center;
    background: rgba(22, 163, 184, .12);
    border-radius: 8px;
    color: var(--nis2-blue);
    display: inline-flex;
    font-size: 2.3rem;
    height: 3.75rem;
    justify-content: center;
    line-height: 1;
    width: 3.75rem;
}

.metric-content {
    min-width: 0;
}

.metric .display-6 {
    line-height: 1.05;
}

.question-option {
    border: 1px solid #d7dee8;
    border-radius: 8px;
    padding: .75rem;
    cursor: pointer;
}

.question-option:has(input:checked) {
    border-color: var(--nis2-cyan);
    background: #eefbff;
}

.category-card-image,
.category-hero-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--nis2-border);
}

.category-lock {
    opacity: .55;
}

.table td,
.table th {
    vertical-align: middle;
}

.dt-container {
    padding: 1rem;
}

.dt-container .table {
    margin-bottom: 1rem !important;
}

.dt-container .dt-search,
.dt-container .dt-length,
.dt-container .dt-info,
.dt-container .dt-paging {
    color: var(--nis2-muted);
}

.dt-container .page-link {
    color: var(--nis2-blue);
}

.copy-invite-wrap {
    display: block;
    position: relative;
}

.js-copy-invite-url {
    cursor: pointer;
}

.copy-invite-tooltip {
    background: #10233f;
    border-radius: 6px;
    bottom: calc(100% + .4rem);
    color: #fff;
    font-size: .75rem;
    opacity: 0;
    padding: .25rem .5rem;
    pointer-events: none;
    position: absolute;
    right: 0;
    transform: translateY(.25rem);
    transition: opacity .16s ease, transform .16s ease;
    white-space: nowrap;
    z-index: 1040;
}

.copy-invite-wrap.copied .copy-invite-tooltip {
    opacity: 1;
    transform: translateY(0);
}

.theme-toggle {
    align-items: center;
    display: inline-flex;
    height: 31px;
    justify-content: center;
    padding: 0;
    width: 34px;
}

.certificate {
    background: #fff;
    border: 1px solid #d7dee8;
    border-radius: 8px;
    box-shadow: 0 16px 48px rgba(15, 23, 42, .12);
    color: #152033;
    margin: 0 auto;
    min-height: min(210mm, calc(100vw * .707));
    overflow: hidden;
    padding: clamp(1.5rem, 4vw, 3rem);
    position: relative;
    text-align: center;
    width: min(100%, 297mm);
}

.certificate::before {
    border: 2px solid rgba(22, 163, 184, .35);
    border-radius: 8px;
    content: "";
    inset: 1.25rem;
    pointer-events: none;
    position: absolute;
}

.certificate-mark {
    align-items: center;
    background: var(--nis2-blue);
    border-radius: 8px;
    color: #fff;
    display: inline-flex;
    font-size: 1.4rem;
    font-weight: 700;
    height: 3.6rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    width: 3.6rem;
}

.certificate-label {
    color: var(--nis2-cyan);
    font-size: .9rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.certificate h1 {
    font-size: clamp(2.2rem, 6vw, 4rem);
    line-height: 1;
    margin: .6rem 0 2rem;
}

.certificate-lead,
.certificate-text {
    color: #4b5563;
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0 auto;
    max-width: 680px;
}

.certificate-name {
    border-bottom: 1px solid #cbd5e1;
    display: inline-block;
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.15;
    margin: 1rem 0 1.25rem;
    padding: 0 .75rem .35rem;
}

.certificate-company {
    color: #6b7280;
    font-weight: 600;
    margin-top: 1rem;
}

.certificate-meta {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 3rem auto 0;
    max-width: 620px;
}

.certificate-meta div {
    background: #f4f7fb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1rem;
}

.certificate-meta span {
    color: #6b7280;
    display: block;
    font-size: .8rem;
    margin-bottom: .3rem;
    text-transform: uppercase;
}

.certificate-footer {
    color: #6b7280;
    display: flex;
    font-size: .85rem;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 3rem;
}

html.dark-mode .certificate {
    background: #fff;
    color: #152033;
}

html.dark-mode .text-muted,
html.dark-mode .form-text {
    color: var(--nis2-muted) !important;
}

html.dark-mode .table {
    --bs-table-bg: var(--nis2-panel);
    --bs-table-color: var(--nis2-ink);
    --bs-table-border-color: var(--nis2-border);
    --bs-table-striped-bg: #172236;
    --bs-table-striped-color: var(--nis2-ink);
}

html.dark-mode .form-control,
html.dark-mode .form-select,
html.dark-mode .input-group-text,
html.dark-mode .dt-input {
    background-color: var(--nis2-field);
    border-color: var(--nis2-border);
    color: var(--nis2-ink);
}

html.dark-mode .form-control::placeholder {
    color: #77859a;
}

html.dark-mode .btn-outline-secondary {
    border-color: #53647c;
    color: #d7e0ee;
}

html.dark-mode .btn-outline-secondary:hover {
    background: #25344d;
    border-color: #6d82a0;
    color: #fff;
}

html.dark-mode .modal-content,
html.dark-mode .accordion-item,
html.dark-mode .accordion-button {
    background: var(--nis2-panel);
    border-color: var(--nis2-border);
    color: var(--nis2-ink);
}

html.dark-mode .accordion-button:not(.collapsed) {
    background: #18263b;
    color: #fff;
}

html.dark-mode .question-option {
    background: var(--nis2-panel);
    border-color: var(--nis2-border);
}

html.dark-mode .question-option:has(input:checked) {
    background: #102e3a;
    border-color: var(--nis2-cyan);
}

html.dark-mode .question-option.bg-success-subtle,
html.dark-mode .question-option.bg-danger-subtle {
    color: #111827;
}

html.dark-mode .question-option.bg-success-subtle .small,
html.dark-mode .question-option.bg-danger-subtle .small {
    color: #111827;
}

html.dark-mode .dt-container .page-link {
    background: var(--nis2-field);
    border-color: var(--nis2-border);
    color: #d7e0ee;
}

html.dark-mode .dt-container .active .page-link,
html.dark-mode .dt-container .page-link:hover {
    background: var(--nis2-blue);
    border-color: var(--nis2-blue);
    color: #fff;
}

@media (max-width: 991.98px) {
    .topbar .container-fluid {
        gap: .75rem;
        flex-wrap: wrap;
    }

    .topbar .navbar-brand {
        min-width: 0;
    }

    .topbar .navbar-brand span:last-child {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .sidebar {
        position: static;
        height: auto;
        min-height: auto;
    }
}

@media (max-width: 575.98px) {
    .certificate-meta,
    .certificate-footer {
        grid-template-columns: 1fr;
    }

    .certificate-footer {
        flex-direction: column;
    }
}

@media print {
    @page {
        size: A4 landscape;
        margin: 0;
    }

    .topbar,
    .sidebar,
    .certificate-actions {
        display: none !important;
    }

    body,
    html.dark-mode body {
        background: #fff;
    }

    main {
        padding: 0 !important;
        width: 100% !important;
    }

    .certificate {
        border: 0;
        box-shadow: none;
        min-height: 210mm;
        width: 297mm;
    }
}