:root {
    color-scheme: light;
    --page-background: #f7f9fc;
    --surface-background: #ffffff;
    --surface-muted: #f1f5fb;
    --text-primary: #0c1d39;
    --text-secondary: #667791;
    --brand-accent: #245fd8;
    --brand-accent-hover: #184fbf;
    --border-color: #dbe2ec;
    --focus-color: #245fd8;
    --success-color: #4fbd7c;
    --error-color: #b42318;
    --header-background: #ffffff;
    --header-text: #0c1d39;
    --footer-background: #ffffff;
    --shadow-soft: 0 0.4rem 1.4rem rgb(25 45 75 / 0.06);
    --shadow-panel: 0 0.75rem 2rem rgb(15 23 42 / 0.08);
    --radius-small: 0.5rem;
    --radius-medium: 0.75rem;
    --radius-large: 1rem;
    color: var(--text-primary);
    background: var(--page-background);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-width: 20rem;
    background: var(--page-background);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text-primary);
    background: var(--page-background);
    font-size: 0.925rem;
}

body > main {
    min-height: calc(100vh - 8rem);
}

header,
main {
    width: min(calc(100% - 2rem), 90rem);
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    max-width: none;
    border-bottom: 1px solid var(--border-color);
    background: var(--header-background);
    box-shadow: 0 0.2rem 1rem rgb(24 34 48 / 0.04);
}

.site-navigation {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.5rem;
    width: min(calc(100% - 2.5rem), 90rem);
    min-height: 4rem;
    margin-inline: auto;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--header-text);
    text-decoration: none;
}

.site-brand__mark {
    width: 1.75rem;
    height: 1.75rem;
    flex: 0 0 1.75rem;
}

.site-brand__name {
    font-size: clamp(1.45rem, 2.5vw, 1.7rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1;
}

.site-navigation > nav,
.site-navigation .main-navigation {
    display: flex;
    align-self: stretch;
    justify-content: center;
    gap: 1.75rem;
}

.site-navigation > nav a,
.site-navigation .main-navigation a {
    position: relative;
    display: inline-flex;
    align-items: center;
    color: var(--header-text);
    font-weight: 600;
    text-decoration: none;
}

.site-navigation > nav a[aria-current="page"]::after,
.site-navigation .main-navigation a[aria-current="page"]::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 0.15rem;
    background: var(--brand-accent);
    content: "";
}

.language-menu {
    position: relative;
    justify-self: end;
}

.language-menu summary {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 2.4rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.45rem;
    color: var(--text-primary);
    background: var(--surface-background);
    font-weight: 600;
    list-style: none;
    cursor: pointer;
}

.language-menu summary::-webkit-details-marker {
    display: none;
}

.language-menu summary::marker {
    content: "";
}

.language-menu summary:focus-visible {
    outline: 0.18rem solid var(--focus-color);
    outline-offset: 0.18rem;
}

.language-menu__arrow {
    font-size: 0.8rem;
    transition: transform 150ms ease;
}

.language-menu[open] .language-menu__arrow {
    transform: rotate(180deg);
}

.language-menu__dropdown {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    z-index: 30;
    display: grid;
    min-width: 9rem;
    padding: 0.35rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--surface-background);
    box-shadow: var(--shadow-soft);
}

.language-menu__dropdown a,
.language-menu__dropdown span {
    display: block;
    padding: 0.55rem 0.7rem;
    border-radius: 0.35rem;
    color: var(--text-primary);
    text-decoration: none;
}

.language-menu__dropdown a:hover {
    background: var(--surface-muted);
}

.language-menu__dropdown [aria-current="page"] {
    color: var(--brand-accent);
    font-weight: 700;
}

main {
    padding-block: 1.25rem 2rem;
}

.site-footer {
    width: 100%;
    max-width: none;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    background: var(--footer-background);
    color: var(--text-secondary);
}

.site-footer__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.5rem 2rem;
    width: min(calc(100% - 2.5rem), 90rem);
    margin-inline: auto;
    padding-block: 1.25rem;
    text-align: left;
}

.site-footer p {
    margin: 0;
}

.footer-navigation {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
}

.footer-navigation a,
.footer-project-credit a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-navigation a:hover,
.footer-project-credit a:hover {
    color: var(--brand-accent);
}

.footer-project-credit {
    grid-column: 1;
    font-size: 0.85rem;
}

@media (max-width: 48rem) {
    .site-footer__inner {
        grid-template-columns: minmax(0, 1fr);
        justify-items: center;
        text-align: center;
    }

    .footer-navigation {
        justify-content: center;
    }

    .footer-project-credit {
        grid-column: auto;
    }
}

section + section {
    margin-top: 1.25rem;
}

.content-surface {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-large);
    background: var(--surface-background);
    box-shadow: var(--shadow-soft);
}

section.content-surface,
main.content-surface {
    padding: clamp(1.1rem, 3vw, 2rem);
}

h1,
h2,
h3,
h4 {
    color: var(--text-primary);
    line-height: 1.2;
}

h1,
h2 {
    margin-block: 0 1rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.1rem);
    letter-spacing: -0.035em;
}

h2 {
    font-size: clamp(1.35rem, 3vw, 1.8rem);
}

p,
ul {
    margin-block: 0 1rem;
}

p {
    color: var(--text-secondary);
}

a {
    color: var(--brand-accent);
    text-underline-offset: 0.2em;
}

a:hover {
    text-decoration-thickness: 0.12em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible {
    outline: 0.18rem solid var(--focus-color);
    outline-offset: 0.18rem;
}

button,
.button-primary,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.6rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--brand-accent);
    border-radius: var(--radius-small);
    color: #ffffff;
    background: var(--brand-accent);
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

button:hover,
.button-primary:hover {
    background: var(--brand-accent-hover);
}

.button-secondary {
    color: var(--brand-accent);
    background: transparent;
}

.button-secondary:hover {
    color: #ffffff;
    background: var(--brand-accent);
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-small);
    color: var(--text-primary);
    background: var(--surface-background);
    font: inherit;
}

.message {
    border-radius: var(--radius-small);
}

.message--error {
    color: var(--error-color);
}

.message--success {
    color: #23733b;
}

.help-overview-page {
    width: min(100% - 2.5rem, 73.75rem);
}

.help-overview-page__intro {
    max-width: 45rem;
    margin-bottom: 1.5rem;
}

.help-overview-card {
    max-width: 42rem;
    padding: clamp(1.25rem, 4vw, 2rem);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    background: var(--surface-background);
    box-shadow: 0 0.4rem 1.5rem rgb(24 34 48 / 0.06);
}

.help-overview-card p {
    max-width: 36rem;
}

.public-overview-page {
    width: min(100% - 2.5rem, 73.75rem);
}

.public-overview-page__hero {
    max-width: 46rem;
    margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.public-overview-page__hero p {
    max-width: 42rem;
    font-size: 1.08rem;
}

.public-overview-card {
    padding: clamp(1.25rem, 4vw, 2.25rem);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    background: var(--surface-background);
    box-shadow: 0 0.4rem 1.5rem rgb(24 34 48 / 0.06);
}

.public-tool-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

@media (max-width: 64rem) {
    .public-tool-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 42rem) {
    .public-tool-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

.public-tool-card {
    padding: clamp(1rem, 3vw, 1.5rem);
    border: 1px solid var(--border-color);
    border-radius: 0.8rem;
    background: var(--page-background);
}

.public-tool-card h3 {
    margin-block: 0 0.5rem;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.public-overview-page .button-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--brand-accent);
    border-radius: 0.65rem;
    background: var(--brand-accent);
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
}

.public-overview-page .button-primary:hover {
    filter: brightness(0.92);
}

.tool-list {
    display: grid;
    gap: 0.75rem;
    padding: 0;
    list-style: none;
}

.tool-list li {
    margin: 0;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--page-background);
}

.qr-generator {
    margin-top: 2rem;
}

.privacy-notice {
    margin-block: 1.25rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-inline-start: 0.3rem solid var(--brand-accent);
    border-radius: 0.5rem;
    background: var(--page-background);
}

.privacy-notice p {
    margin: 0;
    color: var(--text-primary);
}

.context-link {
    margin-bottom: 1.5rem;
}

.knowledge-page {
    overflow-wrap: anywhere;
}

.knowledge-introduction,
.knowledge-section,
.knowledge-category,
.knowledge-final-cta {
    scroll-margin-top: 1rem;
}

.knowledge-introduction {
    margin-bottom: 2rem;
}

.knowledge-toc {
    margin-block: 2rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--page-background);
}

.knowledge-toc h2 {
    margin-top: 0;
}

.knowledge-toc > p {
    margin-top: -0.25rem;
}

.knowledge-toc-areas {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 1rem;
}

.knowledge-toc-area {
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.65rem;
    background: var(--surface-background);
}

.knowledge-toc-area > h3 {
    margin: 0 0 1rem;
    font-size: 1.12rem;
}

.knowledge-toc-subgroup {
    min-width: 0;
    padding-left: 0.75rem;
    border-left: 0.2rem solid var(--brand-accent);
}

.knowledge-toc-subgroup + .knowledge-toc-subgroup {
    margin-top: 1rem;
}

.knowledge-toc-subgroup h4 {
    margin: 0 0 0.4rem;
    font-size: 0.98rem;
    font-weight: 700;
}

.knowledge-toc-subgroup ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.3rem 0.85rem;
    min-width: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.knowledge-toc-subgroup li,
.knowledge-toc-subgroup a {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
}

.knowledge-toc-subgroup li {
    line-height: 1.4;
}

.knowledge-section,
.knowledge-category {
    margin-block: 2.5rem;
}

.knowledge-interaction-hint {
    margin-block: 2.5rem 1rem;
    font-weight: 650;
}

.knowledge-category {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.knowledge-category > h2 {
    display: inline-block;
    padding-bottom: 0.35rem;
    border-bottom: 0.2rem solid var(--brand-accent);
}

.knowledge-details {
    scroll-margin-top: 1rem;
    margin-block: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--page-background);
}

.knowledge-details summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    list-style: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color 150ms ease;
}

.knowledge-details summary::-webkit-details-marker {
    display: none;
}

.knowledge-details summary:hover {
    background: var(--surface-background);
}

.knowledge-details summary:focus-visible {
    outline: 0.2rem solid var(--focus-color);
    outline-offset: 0.15rem;
    border-radius: 0.65rem;
}

.knowledge-summary-content {
    display: grid;
    gap: 0.25rem;
    min-width: 0;
}

.knowledge-summary-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
}

.knowledge-summary-text {
    color: var(--text-secondary);
}

.knowledge-disclosure-indicator {
    display: grid;
    width: 1.75rem;
    height: 1.75rem;
    place-items: center;
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    transform: rotate(0deg);
    transition: transform 150ms ease;
}

.knowledge-details[open] .knowledge-disclosure-indicator {
    transform: rotate(90deg);
}

.knowledge-details[open] summary {
    border-bottom: 1px solid var(--border-color);
    background: var(--surface-background);
}

.knowledge-detail-content {
    padding: 0.25rem 1.25rem 1.25rem;
}

.knowledge-detail-content section {
    margin-block: 1.25rem;
}

.knowledge-detail-content h3 {
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
}

.knowledge-field-list {
    display: grid;
    gap: 0;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.knowledge-field-list[id],
.knowledge-field-list [id] {
    scroll-margin-top: 1rem;
}

.knowledge-field-list > div {
    display: grid;
    grid-template-columns: minmax(10rem, 0.7fr) minmax(0, 1.7fr);
    gap: 1rem;
    padding: 0.85rem;
}

.knowledge-field-list > div + div {
    border-top: 1px solid var(--border-color);
}

.knowledge-field-list dt {
    font-weight: 700;
}

.knowledge-field-list dd,
.knowledge-field-list p {
    margin: 0;
}

.field-requirement {
    display: block;
    margin-top: 0.2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
}

.knowledge-example {
    margin-top: 0.45rem !important;
    color: var(--text-secondary);
}

.knowledge-note,
.knowledge-caution {
    padding: 0.9rem 1rem;
    border-inline-start: 0.25rem solid var(--brand-accent);
    background: var(--surface-background);
}

.knowledge-caution {
    border-inline-start-color: var(--focus-color);
}

.knowledge-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    margin-top: 1.5rem;
}

.back-to-contents {
    margin-top: 1rem;
}

.knowledge-final-cta {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.content-type-selector {
    min-width: 0;
    margin: 0 0 1.5rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.content-type-selector legend {
    padding-inline: 0.35rem;
    font-weight: 700;
}

.content-type-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
    gap: 1.25rem;
}

.content-type-group {
    display: grid;
    align-content: start;
    gap: 0.6rem;
    min-width: 0;
}

.content-type-group h3 {
    margin: 0 0 0.15rem;
    font-size: 1rem;
}

.content-type-option {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.4rem 0.75rem;
    min-width: 0;
}

.content-type-selector label,
.checkbox-field {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.context-help-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    flex: 0 0 1.75rem;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    background: var(--surface-background);
    font-size: 0.95rem;
    font-weight: 750;
    line-height: 1;
    text-decoration: none;
}

.context-help-link:hover {
    color: var(--brand-accent);
    border-color: currentColor;
    text-decoration: underline;
}

.fieldset-options-help {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
}

.fieldset-options-help label {
    margin: 0;
}

.qr-option-with-help {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-width: 0;
}

.qr-option-with-help label {
    min-width: 0;
}

.qr-confirmation-dialog {
    width: min(32rem, calc(100% - 2rem));
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-primary);
    background: var(--surface-background);
}

.qr-confirmation-dialog::backdrop {
    background: rgb(0 0 0 / 0.55);
}

.qr-confirmation-dialog h3 {
    margin-top: 0;
}

.qr-confirmation-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.qr-preset-information {
    margin-top: 2.5rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--page-background);
    scroll-margin-top: 1.25rem;
}

.qr-preset-information h2 {
    margin-top: 0;
}

.qr-preset-information ul {
    columns: 2;
    column-gap: 2rem;
    padding-left: 1.25rem;
}

.qr-preset-information li {
    margin-bottom: 0.45rem;
    break-inside: avoid;
}

.qr-fields {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-field {
    display: grid;
    gap: 0.5rem;
}

.form-field label {
    font-weight: 700;
}

.field-label-help {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem 0.65rem;
}

.knowledge-output-topic {
    padding-top: 0.35rem;
    scroll-margin-top: 1.25rem;
}

.knowledge-output-topic [id] {
    scroll-margin-top: 1.25rem;
}

.knowledge-output-topic + .knowledge-output-topic {
    margin-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.knowledge-output-topic h3 {
    margin-bottom: 0.55rem;
}

.knowledge-output-topic h4 {
    margin-bottom: 0.4rem;
}

.form-field textarea,
.form-field input,
.form-field select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    background: var(--page-background);
    font: inherit;
}

.form-field textarea {
    min-height: 9rem;
    resize: vertical;
}

.form-field textarea:focus-visible,
.form-field input:focus-visible,
.form-field select:focus-visible,
.content-type-selector input:focus-visible,
.checkbox-field input:focus-visible,
button:focus-visible {
    outline: 0.2rem solid var(--focus-color);
    outline-offset: 0.2rem;
}

button {
    padding: 0.65rem 1rem;
    border: 1px solid var(--brand-accent);
    border-radius: 0.5rem;
    color: #ffffff;
    background: var(--brand-accent);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.message {
    margin-top: 1rem;
    padding: 0.75rem;
    border: 1px solid currentColor;
    border-radius: 0.5rem;
}

.message--error {
    color: #a12622;
}

.message--success {
    color: #23733b;
}

.qr-output {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

#qr-canvas-container {
    overflow-x: auto;
    margin-block: 1rem;
}

#qr-canvas-container:empty {
    display: none;
}

#qr-canvas-container canvas {
    display: block;
    max-width: 100%;
    height: auto;
    margin-inline: auto;
    image-rendering: pixelated;
}

.qr-simple-page {
    display: grid;
    gap: 1.35rem;
    width: min(calc(100% - 2.5rem), 73.75rem);
    max-width: 100%;
    margin-inline: auto;
    overflow-wrap: anywhere;
}

.qr-simple-hero {
    padding: 0.75rem 1rem 0;
    text-align: center;
}

.qr-simple-hero__content {
    max-width: 50rem;
    margin-inline: auto;
}

.qr-simple-hero h1 {
    font-size: clamp(2.1rem, 4.5vw, 3.25rem);
    font-weight: 720;
}

.qr-simple-hero p {
    max-width: 46rem;
    margin-inline: auto;
}

.qr-simple-benefits {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.45rem 1.25rem;
    margin: 0.85rem 0 0;
    padding: 0;
    color: var(--text-secondary);
    list-style: none;
}

.qr-simple-benefits li {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0;
    font-size: 0.95rem;
}

.qr-simple-benefits li::before {
    content: "✓";
    color: var(--brand-accent);
    font-weight: 800;
}

.qr-simple-editor {
    display: grid;
    column-gap: 1.5rem;
    row-gap: 0;
    grid-template-columns: minmax(0, 58fr) minmax(18rem, 42fr);
    align-items: start;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    background: var(--surface-background);
    box-shadow: 0 0.75rem 2rem rgb(15 23 42 / 8%);
}

.qr-simple-shell {
    min-width: 0;
}

.qr-simple-controls {
    display: grid;
    gap: 1.25rem;
    min-width: 0;
    padding-top: 1.5rem;
}

.qr-simple-section {
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.qr-simple-section__heading {
    margin: 0;
}

.qr-simple-section__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
    padding: 0.25rem 0;
    border: 0;
    color: var(--text-primary);
    background: transparent;
    font: inherit;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}

.qr-simple-section__toggle:focus-visible,
.qr-simple-more-button:focus-visible {
    outline: 0.2rem solid var(--focus-color);
    outline-offset: 0.2rem;
}

.qr-simple-chevron {
    display: inline-block;
    flex: 0 0 auto;
    width: 0.55rem;
    height: 0.55rem;
    border-right: 0.14rem solid currentColor;
    border-bottom: 0.14rem solid currentColor;
    transform: rotate(45deg);
}

[aria-expanded="true"] > .qr-simple-chevron {
    transform: rotate(225deg);
}

.qr-simple-section__content {
    margin-top: 1rem;
}

.qr-simple-section__content[hidden] {
    display: none;
}

.qr-byte-counter {
    display: block;
}

.qr-simple-type-grid {
    display: grid;
    gap: 0.55rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 0;
}

.qr-simple-type-grid--more {
    margin-top: 0.75rem;
}

.qr-simple-type-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.25rem;
    min-width: 0;
    min-height: 3.4rem;
    padding: 0.55rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--page-background);
}

.qr-simple-type-card:has(input:checked) {
    border-color: var(--brand-accent);
    background: color-mix(in srgb, var(--brand-accent) 10%, var(--page-background));
}

.qr-simple-type-card label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    min-width: 0;
    min-height: 2.15rem;
    font-weight: 700;
    line-height: 1.25;
    text-align: left;
    cursor: pointer;
}

.qr-simple-type-card label span {
    overflow-wrap: anywhere;
}

.qr-simple-type-card input,
.qr-simple-output-option input {
    width: auto;
    margin: 0;
}

.qr-simple-more {
    margin-top: 0.9rem;
}

.qr-simple-more-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    min-height: 3.4rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-primary);
    background: var(--page-background);
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}

.qr-simple-more-button > span:first-child {
    white-space: nowrap;
}

.qr-simple-more-button[aria-expanded="true"] {
    border-color: var(--brand-accent);
    color: var(--brand-accent);
    background: color-mix(in srgb, var(--brand-accent) 10%, var(--page-background));
}

.qr-simple-design-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1rem;
}

.qr-simple-color-control {
    display: grid;
    grid-template-columns: 3.25rem minmax(0, 1fr);
    align-items: stretch;
    width: 100%;
    height: 3.25rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 0.65rem;
    background: var(--page-background);
}

.qr-simple-color-control input[type="color"] {
    width: 3.25rem;
    height: 3.25rem;
    min-height: 0;
    margin: -1px 0 -1px -1px;
    padding: 0.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.65rem 0 0 0.65rem;
    background: var(--surface-background);
    cursor: pointer;
}

.qr-simple-color-control input[type="color"]:focus-visible {
    position: relative;
    z-index: 1;
    outline: 0.2rem solid var(--focus-color);
    outline-offset: -0.2rem;
}

.qr-simple-color-control output {
    display: flex;
    align-items: center;
    padding-inline: 0.85rem;
    color: var(--text-primary);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.qr-simple-logo-field {
    grid-column: 1 / -1;
}
.qr-simple-logo-field input[type="file"] {
    width: 100%;
    padding: 0.45rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-small) var(--radius-small) 0 0;
    background: var(--surface-muted);
    color: var(--text-secondary);
    margin-bottom: 0;
}

.qr-simple-logo-field input[type="file"]::file-selector-button {
    padding: 0.55rem 0.8rem;
    margin-right: 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 0.4rem;
    background: var(--surface);
    color: var(--text-primary);
    font: inherit;
    font-weight: 650;
    cursor: pointer;
}

.qr-simple-logo-field input[type="file"]::file-selector-button:hover {
    border-color: var(--text-secondary);
}

.qr-simple-logo-field .field-help {
    padding: 0 0.75rem 0.75rem;
    border: 1px solid var(--border-color);
    border-top: 0;
    border-radius: 0 0 var(--radius-small) var(--radius-small);
    background: var(--surface-muted);
    margin-top: -1px;
}

.qr-simple-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.qr-simple-generate-area {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
    padding: 1rem 0 0;
    border-top: 1px solid var(--border-color);
}

.qr-simple-generate-area .qr-simple-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.65rem;
    margin-top: 0;
}

.qr-simple-generate-button {
    width: 100%;
    min-width: 0;
    padding: 0.85rem 1.25rem;
    font-size: 1.05rem;
}

.qr-simple-generate-area .message {
    margin: 0;
}

.qr-simple-preview {
    position: sticky;
    top: 1rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    background: var(--page-background);
    min-width: 0;
    margin-top: 1.5rem;
}

.qr-simple-preview__card {
    display: grid;
    gap: 0.9rem;
    margin-top: 0.8rem;
}

.qr-simple-placeholder {
    display: grid;
    justify-items: center;
    gap: 0.8rem;
    min-height: 17rem;
    align-content: center;
    padding: 2rem 1rem;
    border: 1px dashed var(--border-color);
    border-radius: 0.8rem;
    color: var(--text-secondary);
    background: var(--surface-background);
    text-align: center;
}

.qr-simple-placeholder[hidden] {
    display: none;
}

.qr-simple-placeholder p {
    margin: 0;
}

.qr-flyer-preview__sheet {
    box-sizing: border-box;
    display: flex;
    width: min(18rem, 90%);
    aspect-ratio: 210 / 297;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    overflow: hidden;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.35rem;
    color: var(--text-primary);
    background: var(--surface-background);
    box-shadow: 0 0.3rem 0.8rem rgb(24 34 48 / 10%);
    text-align: center;
    overflow-wrap: anywhere;
}

.qr-flyer-preview__sheet h3,
.qr-flyer-preview__sheet p,
.qr-flyer-preview__sheet footer {
    margin: 0;
}

.qr-flyer-preview__sheet h3 {
    font-size: 1.2rem;
    line-height: 1.2;
}

.qr-flyer-preview__organization {
    font-weight: 700;
}

.qr-flyer-preview__qr {
    width: 48%;
    aspect-ratio: 1;
    margin-block: 0.35rem;
}

.qr-flyer-preview__qr canvas {
    display: block;
    width: 100%;
    height: auto;
    image-rendering: pixelated;
}

.qr-flyer-preview__support {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.qr-flyer-preview__sheet footer {
    margin-top: auto;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.qr-simple-placeholder__graphic {
    position: relative;
    width: 9.5rem;
    height: 9.5rem;
    border-radius: 0.65rem;
    background: color-mix(in srgb, var(--text-secondary) 7%, transparent);
}

.qr-simple-placeholder__finder,
.qr-simple-placeholder__block {
    position: absolute;
    display: block;
    border-radius: 0.25rem;
    background: color-mix(in srgb, var(--text-secondary) 45%, transparent);
}

.qr-simple-placeholder__finder {
    width: 2.4rem;
    height: 2.4rem;
    border: 0.45rem solid color-mix(in srgb, var(--text-secondary) 45%, transparent);
    background: transparent;
}

.qr-simple-placeholder__finder--top-left {
    top: 1rem;
    left: 1rem;
}

.qr-simple-placeholder__finder--top-right {
    top: 1rem;
    right: 1rem;
}

.qr-simple-placeholder__finder--bottom-left {
    bottom: 1rem;
    left: 1rem;
}

.qr-simple-placeholder__block--one {
    right: 1.3rem;
    bottom: 1.2rem;
    width: 1.15rem;
    height: 2.1rem;
}

.qr-simple-placeholder__block--two {
    right: 3rem;
    bottom: 1.2rem;
    width: 0.8rem;
    height: 0.8rem;
}

.qr-simple-placeholder__block--three {
    right: 2.6rem;
    bottom: 3rem;
    width: 1.6rem;
    height: 0.7rem;
}

.qr-simple-output-controls {
    display: grid;
    gap: 0.9rem;
}

.qr-simple-output-type {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.qr-simple-output-option {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.qr-simple-legacy-downloads {
    display: none !important;
}

.qr-simple-information,
.qr-simple-bottom {
    display: grid;
    gap: 1rem;
}

.qr-simple-information article,
.qr-simple-bottom > div {
    padding: 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.8rem;
    background: var(--surface-background);
}

.qr-simple-information h2 {
    margin-top: 0;
}

.qr-simple-information {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.qr-simple-bottom {
    width: 100%;
    max-width: none;
    justify-self: stretch;
    grid-template-columns: minmax(0, 1fr);
}

.qr-simple-bottom details + details {
    margin-top: 0.65rem;
}

.qr-simple-faq-item {
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 0.65rem;
    background: var(--page-background);
}

.qr-simple-faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    padding: 0.85rem 1rem;
    cursor: pointer;
    font-weight: 700;
    list-style: none;
}

.qr-simple-faq-item summary::-webkit-details-marker {
    display: none;
}

.qr-simple-faq-item summary::after {
    content: "›";
    flex: 0 0 auto;
    color: var(--brand-accent);
    font-size: 1.35rem;
    line-height: 1;
    transform: rotate(90deg);
    transition: transform 150ms ease;
}

.qr-simple-faq-item[open] summary::after {
    transform: rotate(-90deg);
}

.qr-simple-faq-item summary:hover {
    color: var(--brand-accent);
    background: color-mix(in srgb, var(--brand-accent) 7%, transparent);
}

.qr-simple-faq-item summary:focus-visible {
    outline: 0.2rem solid var(--focus-color);
    outline-offset: -0.2rem;
}

.qr-simple-faq-item p {
    margin: 0;
    padding: 0 1rem 1rem;
}

.qr-help-page {
    display: grid;
    gap: 1.25rem;
    width: min(calc(100% - 2.5rem), 73.75rem);
    max-width: 100%;
    margin-inline: auto;
    overflow-wrap: anywhere;
}

.qr-help-hero {
    max-width: 52rem;
    padding: 1rem 0 0;
}

.qr-help-eyebrow {
    margin-bottom: 0.35rem;
    color: var(--brand-accent);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.qr-help-hero__introduction {
    max-width: 46rem;
}

.qr-help-hero__actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin-block: 1rem;
}

.qr-help-page .button-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1rem;
    border: 1px solid var(--brand-accent);
    border-radius: 0.5rem;
    color: #ffffff;
    background: var(--brand-accent);
    font-weight: 700;
    text-decoration: none;
}

.qr-help-page .button-primary:hover {
    filter: brightness(0.94);
}

.qr-help-privacy-note {
    padding-left: 0.75rem;
    border-left: 0.2rem solid var(--brand-accent);
    font-size: 0.95rem;
}

.qr-help-card {
    padding: clamp(1rem, 3vw, 1.6rem);
    border: 1px solid var(--border-color);
    border-radius: 0.9rem;
    background: var(--surface-background);
    box-shadow: 0 0.35rem 1.2rem rgb(24 34 48 / 0.05);
}

.qr-help-anchor {
    scroll-margin-top: 1rem;
}

.qr-help-contents ul {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.qr-help-contents a {
    display: block;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.55rem;
    background: var(--page-background);
    font-weight: 700;
    text-decoration: none;
}

.qr-help-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
    counter-reset: qr-help-step;
}

.qr-help-steps li {
    padding: 0.9rem;
    border-left: 0.2rem solid var(--brand-accent);
    background: var(--page-background);
    counter-increment: qr-help-step;
}

.qr-help-steps h3 {
    margin: 0 0 0.35rem;
    font-size: 1rem;
}

.qr-help-steps h3::before {
    content: counter(qr-help-step) ". ";
    color: var(--brand-accent);
}

.qr-help-steps p,
.qr-help-info-grid p,
.qr-help-error-grid p {
    margin: 0;
}

.qr-help-type-group + .qr-help-type-group {
    margin-top: 1.5rem;
}

.qr-help-type-group > h3 {
    margin-bottom: 0.65rem;
}

.qr-help-details {
    border-top: 1px solid var(--border-color);
}

.qr-help-details:last-child {
    border-bottom: 1px solid var(--border-color);
}

.qr-help-details summary,
.qr-help-faq summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0.25rem;
    cursor: pointer;
    list-style: none;
}

.qr-help-details summary::-webkit-details-marker,
.qr-help-faq summary::-webkit-details-marker {
    display: none;
}

.qr-help-details summary::after,
.qr-help-faq summary::after {
    content: "›";
    flex: 0 0 auto;
    color: var(--brand-accent);
    font-size: 1.4rem;
    transform: rotate(90deg);
}

.qr-help-details[open] summary::after,
.qr-help-faq details[open] summary::after {
    transform: rotate(-90deg);
}

.qr-help-details summary:hover,
.qr-help-faq summary:hover {
    color: var(--brand-accent);
}

.qr-help-details summary > span {
    display: grid;
}

.qr-help-details summary small {
    color: var(--text-secondary);
    font-weight: 400;
}

.qr-help-details__content {
    display: grid;
    gap: 1rem;
    padding: 0.25rem 0.25rem 1.25rem;
}

.qr-help-details__content h4 {
    margin: 0 0 0.35rem;
}

.qr-help-fields {
    display: grid;
    gap: 0.6rem;
    margin: 0;
}

.qr-help-fields > div {
    display: grid;
    grid-template-columns: minmax(10rem, 0.32fr) minmax(0, 1fr);
    gap: 0.8rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.55rem;
    background: var(--page-background);
}

.qr-help-fields dt {
    font-weight: 700;
}

.qr-help-fields dt span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 400;
}

.qr-help-fields dd,
.qr-help-fields dd p {
    margin: 0;
}

.qr-help-fields dd p + p {
    margin-top: 0.35rem;
}

.qr-help-guidance-grid,
.qr-help-info-grid,
.qr-help-error-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.qr-help-guidance-grid section,
.qr-help-info-grid section,
.qr-help-error-grid section {
    padding: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 0.55rem;
    background: var(--page-background);
}

.qr-help-guidance-grid > section + section,
.qr-help-info-grid > section + section,
.qr-help-error-grid > section + section {
    margin-top: 0;
}

.qr-help-info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.qr-help-info-grid h3,
.qr-help-error-grid h3 {
    margin: 0 0 0.35rem;
    font-size: 1rem;
}

.qr-help-faq details {
    border-top: 1px solid var(--border-color);
}

.qr-help-faq details:last-child {
    border-bottom: 1px solid var(--border-color);
}

.qr-help-faq summary {
    font-weight: 700;
}

.qr-help-faq details p {
    margin: 0;
    padding: 0 0.25rem 1rem;
}

.qr-help-cta {
    text-align: center;
}

.qr-help-cta p {
    max-width: 42rem;
    margin-inline: auto;
}

@media (max-width: 52rem) {
    .qr-help-steps,
    .qr-help-info-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 40rem) {
    .qr-help-page {
        width: calc(100% - 2rem);
    }

    .qr-help-contents ul,
    .qr-help-steps,
    .qr-help-fields > div,
    .qr-help-guidance-grid,
    .qr-help-info-grid,
    .qr-help-error-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 58rem) {
    .qr-simple-editor {
        grid-template-columns: minmax(0, 1fr);
    }

    .qr-simple-preview {
        position: static;
    }

    .qr-simple-type-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 40rem) {
    .qr-simple-benefits,
    .qr-simple-information,
    .qr-simple-bottom,
    .qr-simple-design-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .qr-simple-benefits {
        display: flex;
        justify-content: flex-start;
    }

    .qr-simple-type-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .qr-simple-editor {
        padding: 1rem;
    }

    .qr-simple-page,
    .qr-simple-page * {
        min-width: 0;
        max-width: 100%;
        box-sizing: border-box;
    }

    .qr-simple-page {
        width: calc(100% - 2rem);
    }
}

.qr-download-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.qr-checker {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.field-help {
    margin: 0;
    color: var(--text-secondary);
}

.checker-file-summary,
.checker-status,
.checker-result,
.checker-limitation {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.65rem;
    background: var(--page-background);
}

.checker-file-summary,
.checker-status {
    overflow-wrap: anywhere;
}

.checker-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.button-secondary {
    color: var(--brand-accent);
    background: transparent;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.58;
}

.checker-status:empty {
    display: none;
}

.checker-status--error {
    border-color: currentColor;
    color: #a12622;
}

.checker-status--success {
    border-color: currentColor;
    color: #23733b;
}

.checker-result h2,
.checker-limitation h2 {
    margin-top: 0;
}

.checker-raw-content {
    max-width: 100%;
    max-height: 24rem;
    overflow: auto;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    background: var(--surface-background);
    font: inherit;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.checker-limitation {
    margin-top: 2rem;
}

.qr-sheet-logo-preview {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.qr-sheet-logo-preview canvas {
    width: auto;
    max-width: min(12rem, 100%);
    max-height: 6rem;
    height: auto;
    object-fit: contain;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.qr-download-size {
    display: grid;
    gap: 0.55rem;
    max-width: 34rem;
    margin-bottom: 1rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.55rem;
    background: var(--page-background);
}

.qr-download-size > label {
    font-weight: 700;
}

.qr-download-size input[type="range"] {
    width: 100%;
    margin: 0;
}

.qr-download-size input[type="range"]:focus-visible {
    border-radius: 0.2rem;
    outline: 0.2rem solid var(--focus-color);
    outline-offset: 0.2rem;
}

.qr-download-size__labels {
    display: grid;
    grid-template-columns: minmax(3rem, 1fr) auto minmax(3rem, 1fr);
    align-items: center;
    gap: 0.65rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.qr-download-size__labels output {
    color: var(--text-primary);
    font-weight: 750;
    white-space: nowrap;
}

.qr-download-size__labels span:last-child {
    text-align: right;
}

[hidden] {
    display: none !important;
}

a {
    color: var(--brand-accent);
    text-underline-offset: 0.2em;
}

a:hover {
    text-decoration-thickness: 0.12em;
}

a:focus-visible {
    border-radius: 0.2rem;
    outline: 0.2rem solid var(--focus-color);
    outline-offset: 0.2rem;
}

@media (max-width: 34rem) {
    .knowledge-toc,
    .knowledge-details summary,
    .knowledge-detail-content {
        padding-inline: 0.85rem;
    }

    .knowledge-field-list > div {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.4rem;
    }

    .knowledge-toc-areas,
    .knowledge-toc-subgroup ul {
        grid-template-columns: minmax(0, 1fr);
    }

    .qr-preset-information ul {
        columns: 1;
    }

    .qr-download-size__labels {
        grid-template-columns: 1fr auto 1fr;
        gap: 0.35rem;
        font-size: 0.82rem;
    }

}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --page-background: #111820;
        --surface-background: #1b2530;
        --text-primary: #f0f5fa;
        --text-secondary: #b4c0cd;
        --brand-accent: #79adff;
        --border-color: #344353;
        --focus-color: #c6a7ff;
    }

    .message--error {
        color: #ffaaa5;
    }

    .message--success {
        color: #8ed5a2;
    }

    .checker-status--error {
        color: #ffaaa5;
    }

    .checker-status--success {
        color: #8ed5a2;
    }
}

/* fourwww v2 visual overrides */

.public-overview-card,
.help-overview-card,
.qr-help-card,
.qr-simple-information article,
.qr-simple-bottom > div,
.qr-simple-editor,
.qr-simple-preview,
.knowledge-toc,
.knowledge-toc-area,
.knowledge-details,
.qr-preset-information,
.checker-file-summary,
.checker-status,
.checker-result,
.checker-limitation {
    border-color: var(--border-color);
    background: var(--surface-background);
    box-shadow: var(--shadow-soft);
}

.public-tool-card,
.knowledge-details,
.qr-simple-type-card,
.qr-simple-more-button,
.qr-simple-placeholder,
.qr-help-fields > div,
.qr-help-guidance-grid section,
.qr-help-info-grid section,
.qr-help-error-grid section,
.qr-simple-faq-item,
.checker-file-summary,
.checker-status,
.checker-result,
.checker-limitation,
.qr-download-size {
    background: var(--surface-muted);
}

.qr-simple-editor {
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-panel);
}

.qr-simple-preview {
    border-radius: var(--radius-large);
    background: var(--surface-muted);
}

.qr-simple-type-card:has(input:checked),
.qr-simple-more-button[aria-expanded="true"] {
    color: var(--brand-accent);
    border-color: var(--brand-accent);
}

.privacy-notice,
.qr-help-privacy-note,
.knowledge-note {
    border-inline-start-color: var(--brand-accent);
    background: #eef7ff;
}

.context-help-link {
    background: var(--surface-background);
}

.qr-help-eyebrow {
    color: var(--brand-accent);
}

.qr-simple-placeholder__graphic {
    background: rgb(102 119 145 / 0.08);
}

.qr-simple-placeholder__finder,
.qr-simple-placeholder__block {
    background: rgb(102 119 145 / 0.45);
}

.qr-simple-placeholder__finder {
    background: transparent;
    border-color: rgb(102 119 145 / 0.45);
}

@media (max-width: 48rem) {
    .site-navigation {
        grid-template-columns: 1fr auto;
        gap: 0.75rem 1rem;
        padding-block: 0.8rem;
    }

    .site-navigation > nav,
    .site-navigation .main-navigation {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-content: flex-start;
        gap: 1.25rem;
        overflow-x: auto;
        padding-bottom: 0.15rem;
    }

}

@media (max-width: 34rem) {
    header,
    main {
        width: min(calc(100% - 1rem), 90rem);
    }

    .site-navigation {
        width: calc(100% - 1rem);
    }

    .site-navigation > nav,
    .site-navigation .main-navigation {
        gap: 1rem;
    }

    .site-brand__name {
        font-size: 1.65rem;
    }

    .site-brand__mark {
        width: 1.8rem;
        height: 1.8rem;
        flex-basis: 1.8rem;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --page-background: #111820;
        --surface-background: #1b2530;
        --surface-muted: #151f29;
        --text-primary: #f0f5fa;
        --text-secondary: #b4c0cd;
        --brand-accent: #79adff;
        --brand-accent-hover: #94bdff;
        --border-color: #344353;
        --focus-color: #79adff;
        --header-background: #151d26;
        --header-text: #f0f5fa;
        --footer-background: #151d26;
    }

    .privacy-notice,
    .qr-help-privacy-note,
    .knowledge-note {
        background: #152b43;
    }
}

/* QR workspace foundation */

.qr-workspace section + section {
    margin-top: 0;
}

.qr-simple-page {
    width: min(calc(100% - 2.5rem), 90rem);
}

.qr-workspace {
    display: grid;
    grid-template-columns:
        minmax(18rem, 0.85fr)
        minmax(24rem, 1.35fr)
        minmax(17rem, 0.8fr);
    align-items: start;
    gap: 1rem;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.qr-workspace-privacy {
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border: 1px solid color-mix(in srgb, var(--brand-accent) 30%, var(--border-color));
    border-left: 4px solid var(--brand-accent);
    border-radius: var(--radius-large);
    background: color-mix(in srgb, var(--brand-accent) 7%, var(--surface-background));
}

.qr-workspace-privacy h2 {
    margin: 0 0 0.25rem;
    font-size: 1rem;
}

.qr-workspace-privacy p {
    margin: 0;
    font-size: 0.9rem;
}

.qr-workspace__preview,
.qr-workspace-card {
    min-width: 0;
    padding: 1.15rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-large);
    background: var(--surface-background);
    box-shadow: var(--shadow-soft);
}

.qr-workspace__left {
    display: grid;
    align-content: start;
    gap: 1rem;
    min-width: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.qr-workspace__preview {
    position: sticky;
    top: 5rem;
    margin-top: 0;
}

.qr-workspace__right {
    display: grid;
    gap: 1rem;
    min-width: 0;
}

.qr-workspace-card h2 {
    margin-bottom: 1rem;
    font-size: 1.15rem;
}

.qr-workspace-card .qr-simple-output-type {
    display: grid;
    gap: 0.65rem;
}

.qr-workspace-card--output-mode .qr-simple-output-type {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    padding: 0.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-small);
    background: var(--surface-muted);
}

.qr-workspace-card--output-mode .qr-simple-output-option {
    position: relative;
    justify-content: center;
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 0;
    border-radius: 0.4rem;
    background: transparent;
    cursor: pointer;
}

.qr-workspace-card--output-mode .qr-simple-output-option input[type="radio"] {
    position: absolute;
    z-index: 1;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    opacity: 0;
    cursor: pointer;
}

.qr-workspace-card .qr-simple-output-option span {
    font-weight: 650;
}

.qr-workspace-card--output-mode .qr-simple-output-option:has(input:checked) {
    color: var(--brand-accent);
    background: color-mix(in srgb, var(--brand-accent) 10%, var(--surface-background));
}

.qr-workspace-card--output-mode .qr-simple-output-option:has(input:focus-visible) {
    outline: 0.2rem solid var(--focus-color);
    outline-offset: -0.1rem;
}

.qr-workspace-card .qr-simple-actions {
    margin-top: 0;
}

.qr-workspace-card .button-primary {
    width: 100%;
}

@media (max-width: 76rem) {
    .qr-workspace {
        grid-template-columns:
            minmax(18rem, 0.9fr)
            minmax(22rem, 1.1fr);
    }

    .qr-workspace__right {
        grid-column: 1 / -1;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 58rem) {
    .qr-workspace {
        grid-template-columns: minmax(0, 1fr);
    }

    .qr-workspace__preview {
        position: static;
    }

    .qr-workspace__right {
        grid-column: auto;
        grid-template-columns: minmax(0, 1fr);
    }
}

/* Compact QR type selector */

.qr-workspace__left .qr-simple-type-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.35rem;
}

.qr-workspace__left .qr-simple-type-card {
    min-height: 0;
}

.qr-workspace__left .qr-simple-type-card label {
    position: relative;
    display: grid;
    grid-template-columns: 0.9rem minmax(0, 1fr);
    align-items: center;
    gap: 0.35rem;
    min-height: 2.15rem;
    padding: 0.35rem 0.45rem;
    font-size: 0.72rem;
    font-weight: 650;
    line-height: 1.1;
}

.qr-workspace__left .qr-simple-type-card input[type="radio"] {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: 0;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    opacity: 0;
}

.qr-workspace__left .qr-type-icon {
    width: 0.9rem;
    height: 0.9rem;
}

.qr-workspace__left .qr-simple-type-card label span {
    min-width: 0;
    overflow-wrap: normal;
    word-break: normal;
    hyphens: none;
}

.qr-workspace__left .qr-simple-type-card:has(input:checked) {
    border-color: var(--brand-accent);
    background: color-mix(
        in srgb,
        var(--brand-accent) 7%,
        var(--surface-background)
    );
}

.qr-workspace__left .qr-simple-type-card:has(input:focus-visible) {
    outline: 0.18rem solid var(--focus-color);
    outline-offset: 0.12rem;
}

@media (max-width: 24rem) {
    .qr-workspace__left .qr-simple-type-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* Make the full QR type card clickable */

.qr-workspace__left .qr-simple-type-card {
    position: relative;
}

.qr-workspace__left .qr-simple-type-card label {
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.qr-workspace__left .qr-simple-type-card input[type="radio"] {
    inset: 0;
}

/* Compact QR step headings */

.qr-workspace-step__header {
    display: grid;
    grid-template-columns: 1.75rem minmax(0, 1fr) 1.35rem;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
}

.qr-workspace-step__header h2 {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.2;
}

.qr-workspace-step__number {
    display: grid;
    width: 1.75rem;
    height: 1.75rem;
    place-items: center;
    border-radius: 0.4rem;
    color: var(--brand-accent);
    background: color-mix(
        in srgb,
        var(--brand-accent) 10%,
        var(--surface-background)
    );
    font-size: 0.85rem;
    font-weight: 800;
}

.qr-workspace-step__status {
    display: grid;
    width: 1.35rem;
    height: 1.35rem;
    place-items: center;
    justify-self: end;
    border-radius: 50%;
    color: #ffffff;
    background: var(--success-color);
    font-size: 0.75rem;
    font-weight: 800;
}

/* Align QR step headers with card grid */

.qr-workspace-step {
    min-width: 0;
    margin: 0;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-large);
    background: var(--surface-background);
    box-shadow: var(--shadow-soft);
}

.qr-workspace-step__header {
    width: 100%;
    max-width: none;
    margin-inline: 0;
}

.qr-workspace-step__number {
    justify-self: start;
}

.qr-workspace-step__status {
    justify-self: end;
}

.qr-workspace-step .qr-simple-section__content {
    width: 100%;
}

/* Wi-Fi hidden-network checkbox */

#qr-wifi-fields .checkbox-field {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    width: 100%;
    min-width: 0;
    margin: 0;
    text-align: left;
    white-space: normal;
}

#qr-wifi-fields .checkbox-field input[type="checkbox"] {
    flex: 0 0 auto;
    width: auto;
    margin: 0;
}

/* QR preview column */

.qr-workspace-step__icon svg {
    width: 1rem;
    height: 1rem;
}

.qr-simple-preview__header {
    margin-bottom: 0.85rem;
}

.qr-simple-preview__header .qr-workspace-step__header {
    margin-bottom: 0.45rem;
}

.qr-simple-preview__header .field-help {
    margin: 0;
}

.qr-simple-preview__card {
    margin-top: 0;
}