:root {
    color-scheme: light;
    --ink: #172033;
    --muted: #5d687b;
    --line: #dbe1ea;
    --surface: #ffffff;
    --surface-soft: #f4f7fb;
    --brand: #1f55c7;
    --brand-dark: #173e91;
    --accent: #e9f0ff;
    --success: #176b48;
    --warning: #875b00;
    --warning-bg: #fff7dd;
    --radius: 14px;
    --shadow: 0 12px 34px rgba(28, 45, 78, .08);
    --content: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--surface);
    font: 16px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--brand); text-underline-offset: .18em; }
a:hover { color: var(--brand-dark); }
button, input, textarea, select { font: inherit; }
button, .button-primary, .button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: .62rem 1rem;
    border: 1px solid var(--brand);
    border-radius: 9px;
    background: var(--brand);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}
.button-secondary { background: #fff; color: var(--brand); }
button:hover, .button-primary:hover { background: var(--brand-dark); color: #fff; }
:focus-visible { outline: 3px solid #f0a500; outline-offset: 3px; }
code { overflow-wrap: anywhere; font: .93em/1.45 ui-monospace, SFMono-Regular, Consolas, monospace; }

.container { width: min(calc(100% - 2rem), var(--content)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: .5rem; left: .5rem; padding: .7rem 1rem; background: #fff; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.dev-notice { padding: .3rem 1rem; text-align: center; color: #513600; background: #ffe9a8; font-size: .875rem; font-weight: 700; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .97); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 74px; }
.brand { display: flex; align-items: center; gap: .65rem; color: var(--ink); font-size: 1.12rem; font-weight: 800; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: #fff; background: var(--brand); font-size: .9rem; }
.nav-list { display: flex; gap: 1.15rem; margin: 0; padding: 0; list-style: none; }
.nav-list a { color: var(--ink); font-weight: 650; text-decoration: none; }
.main-content { min-height: 62vh; padding-block: 2.5rem 5rem; }
.site-footer { padding-block: 2.5rem; border-top: 1px solid var(--line); background: var(--surface-soft); }
.footer-grid { display: grid; grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr); gap: 2rem; }
.footer-grid p { max-width: 42rem; color: var(--muted); }
.footer-navigation { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem 2rem; }
.footer-links { display: grid; gap: .35rem; margin: .45rem 0 0; padding: 0; list-style: none; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem 2rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.footer-bottom p { margin: 0; color: var(--muted); }

h1, h2, h3 { line-height: 1.18; text-wrap: balance; }
h1 { margin: .2rem 0 1rem; font-size: clamp(2rem, 5vw, 3.7rem); letter-spacing: -.035em; }
h2 { margin-top: 2.6rem; font-size: clamp(1.55rem, 3vw, 2.15rem); }
h3 { font-size: 1.18rem; }
.eyebrow { margin-bottom: .2rem; color: var(--brand); font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.lead { max-width: 780px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); align-items: center; gap: clamp(2rem, 6vw, 5rem); padding-block: 2rem 4rem; }
.lookup-card, .form-card { padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.input-action { display: flex; gap: .6rem; margin-top: .65rem; }
input, textarea, select { width: 100%; min-height: 44px; padding: .65rem .75rem; border: 1px solid #9eabba; border-radius: 8px; color: var(--ink); background: #fff; }
textarea { resize: vertical; }
.hint, .evidence, .object-meta, .content-date, .request-id { color: var(--muted); font-size: .9rem; }
.release-strip, .source-card { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-block: 1rem 3.2rem; padding: 1.5rem 1.7rem; border: 1px solid #bfd0f5; border-radius: var(--radius); background: var(--accent); }
.release-strip h2, .source-card h2 { margin: 0; }
.card-grid { display: grid; gap: 1rem; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.section-heading-row h2 { margin-bottom: 0; }
.inline-links { display: flex; flex-wrap: wrap; gap: .65rem 1.25rem; padding: 0; list-style: none; }
.change-list .hint { margin: .35rem 0 0; }
.card { padding: 1.35rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.card h2, .card h3 { margin-top: 0; }
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 3rem; padding: 2.5rem; border-radius: var(--radius); background: var(--surface-soft); }

.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .35rem .7rem; margin: 0 0 1.5rem; padding: 0; color: var(--muted); list-style: none; font-size: .9rem; }
.breadcrumbs li:not(:last-child)::after { margin-left: .7rem; content: "/"; color: #9aa5b3; }
.page-header { margin-bottom: 2rem; }
.page-header h1 { font-size: clamp(2rem, 4vw, 3rem); }
.mode-switch { display: inline-flex; gap: .25rem; margin-bottom: 1.5rem; padding: .25rem; border-radius: 10px; background: var(--surface-soft); }
.mode-switch a { padding: .55rem .85rem; border-radius: 8px; color: var(--ink); font-weight: 700; text-decoration: none; }
.mode-switch a.active { color: #fff; background: var(--brand); }
.object-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.object-list li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem .25rem; border-bottom: 1px solid var(--line); }
.object-name { display: block; font-size: 1.08rem; font-weight: 750; }
.object-meta { display: block; }
.children-link { white-space: nowrap; }
.pagination { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.pagination-current { color: var(--muted); font-weight: 700; }
.empty-state { padding: 2rem; border-radius: var(--radius); text-align: center; background: var(--surface-soft); }

.object-header { display: flex; align-items: start; justify-content: space-between; gap: 2rem; }
.status-badge { flex: none; margin-top: .5rem; padding: .4rem .75rem; border-radius: 99px; color: var(--success); background: #ddf4e9; font-weight: 800; }
.status-badge.historical { color: #724b00; background: #fff0c9; }
.notice { margin-block: 1.5rem; padding: 1rem 1.2rem; border-left: 4px solid var(--brand); background: var(--accent); }
.notice-warning { border-color: #b87900; color: #513600; background: var(--warning-bg); }
.notice-success { border-color: var(--success); background: #e7f6ef; }
.facts-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; overflow: hidden; padding: 1px; border-radius: var(--radius); background: var(--line); }
.facts-grid > div { min-width: 0; padding: 1rem; background: #fff; }
.facts-grid dt { color: var(--muted); font-size: .85rem; font-weight: 700; }
.facts-grid dd { margin: .25rem 0 0; font-weight: 650; overflow-wrap: anywhere; }
.copy-button { min-height: 32px; margin-left: .4rem; padding: .2rem .5rem; color: var(--brand); background: #fff; font-size: .78rem; }
.hierarchy-card ol, .compact-list { padding-left: 1.2rem; }
.hierarchy-card li, .compact-list li { margin-bottom: .45rem; }
.parent-facts { margin-top: 1rem; }
.timeline { position: relative; margin: 0; padding-left: 1.4rem; border-left: 3px solid #cad7f3; list-style: none; }
.timeline li { display: grid; grid-template-columns: 110px 1fr; gap: .2rem 1rem; position: relative; padding: 0 0 1.5rem 1rem; }
.timeline li::before { position: absolute; left: -1.6rem; top: .4rem; width: 11px; height: 11px; border: 3px solid #fff; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 2px var(--brand); content: ""; }
.timeline span { grid-column: 2; color: var(--muted); font-size: .9rem; }
.table-scroll { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .8rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--surface-soft); }
.document, .parameter { margin: 0 0 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.document div, .parameter div { display: grid; grid-template-columns: minmax(100px, .4fr) 1fr; gap: .7rem; }
.document dt, .parameter dt { color: var(--muted); }
.document dd, .parameter dd { margin: 0; overflow-wrap: anywhere; }
.diff-list > li { margin-bottom: 1.2rem; }
.diff-list dl { margin: .5rem 0 0; }
.diff-list dl div { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; }
.diff-list dt { color: var(--muted); }
.diff-list dd { margin: 0; overflow-wrap: anywhere; }
.quality-details { margin-block: 1.5rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); }
.feedback-cta { margin-top: 2rem; text-align: center; }
.contextual-answers { margin-block: 3rem; }
.contextual-answers > h2 { margin-bottom: 1rem; }
.contextual-answers-intro { max-width: 780px; color: var(--muted); }
.contextual-answers-list { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.contextual-answer + .contextual-answer { border-top: 1px solid var(--line); }
.contextual-answer summary { position: relative; padding: 1rem 3rem 1rem 1.2rem; font-weight: 750; cursor: pointer; }
.contextual-answer summary::marker { color: var(--brand); }
.contextual-answer[open] summary { color: var(--brand-dark); background: var(--surface-soft); }
.contextual-answer-body { padding: 0 1.2rem 1.2rem; }
.contextual-answer-body p:last-child { margin-bottom: 0; }

.ad-slot { display: grid; position: relative; place-items: center; min-height: var(--ad-height); margin-block: 2rem; overflow: hidden; border: 1px dashed #aeb8c7; border-radius: var(--radius); color: var(--muted); background: repeating-linear-gradient(135deg, #f6f8fb, #f6f8fb 12px, #edf1f6 12px, #edf1f6 24px); }
.ad-slot[hidden] { display: none; }
.ad-slot-loading { border-color: transparent; color: transparent; background: transparent; }
.ad-slot[data-ad-outcome="rendered"] { background: var(--surface); }
.ad-slot-loading .ad-label { visibility: hidden; }
.ad-label { position: absolute; top: .45rem; left: .65rem; padding: .1rem .35rem; border-radius: 4px; background: rgba(255,255,255,.9); font-size: .68rem; letter-spacing: .07em; text-transform: uppercase; }
.ad-empty, .rsya-ad { width: 100%; }
.rsya-ad { min-height: var(--ad-height); }
.ad-empty { font-size: .85rem; }
.house-ad { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; width: min(100%, 760px); padding: 1rem; color: var(--ink); text-align: left; }
.house-ad p { margin: .25rem 0 0; }
.house-ad-title { font-size: 1.2rem; }
.form-card { max-width: 760px; }
.field { margin-bottom: 1.2rem; }
.field label { display: block; margin-bottom: .3rem; font-weight: 750; }
.field .checkbox-label { display: flex; align-items: flex-start; gap: .65rem; }
.checkbox-label input[type="checkbox"] { width: 1.2rem; min-height: 1.2rem; margin: .2rem 0 0; flex: none; }
[hidden] { display: none !important; }
.optional { color: var(--muted); font-weight: 400; }
.form-error { color: #a0162c; font-weight: 650; }
.honeypot { position: absolute; left: -10000px; }
.form-protection { margin: 1.25rem 0; }
.form-protection-widget { max-width: 100%; overflow: hidden; }
.form-protection-notice { margin: .65rem 0; }
.form-protection [data-form-protection-error] { margin: .65rem 0; }
.prose { max-width: 820px; }
.safe-content { font-size: 1.05rem; }
.safe-content img { max-width: 100%; height: auto; }
.cookie-banner {
    position: fixed;
    z-index: 90;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    border: 1px solid #b8c9ec;
    border-radius: var(--radius);
    background: rgba(238, 244, 255, .98);
    box-shadow: 0 20px 55px rgba(23, 32, 51, .24);
}
.cookie-banner-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 1.5rem; padding-block: 1rem; }
.cookie-banner h2 { margin: 0 0 .25rem; font-size: 1.15rem; }
.cookie-banner p { margin: .2rem 0; }
.cookie-banner-links { font-size: .84rem; }
.cookie-banner-actions, .consent-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem; }
.cookie-banner-actions form, .consent-actions form { margin: 0; }
.cookie-banner-actions { justify-content: flex-end; }
.consent-settings fieldset { margin: 0 0 1.25rem; padding: 0; border: 0; }
.consent-settings legend { margin-bottom: 1rem; font-size: 1.2rem; font-weight: 800; }
.consent-option { margin-bottom: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 10px; }
.consent-option label { display: flex; align-items: center; gap: .65rem; }
.consent-option input[type="checkbox"] { width: 1.2rem; min-height: 1.2rem; margin: 0; }
.consent-option p { margin: .55rem 0 0 1.85rem; color: var(--muted); }
.consent-actions-separate { margin-top: 1rem; }
.consent-document-links { margin-top: 1.4rem; }
.error-page { max-width: 720px; margin: 3rem auto; text-align: center; }
.error-code { margin: 0; color: var(--brand); font-size: clamp(4rem, 16vw, 8rem); font-weight: 900; line-height: 1; }

.geo-map-card { margin-block: 2.6rem; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.geo-map-copy { padding: 1.4rem; }
.geo-map-copy h2 { margin-top: .2rem; }
.geo-map-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1px; overflow: hidden; margin-block: 1.2rem; padding: 1px; border-radius: 10px; background: var(--line); }
.geo-map-facts > div { min-width: 0; padding: .85rem; background: #fff; }
.geo-map-facts dt { color: var(--muted); font-size: .82rem; font-weight: 700; }
.geo-map-facts dd { margin: .25rem 0 0; overflow-wrap: anywhere; }
.geo-map-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .7rem; }
.geo-map-actions button, .geo-map-actions a { min-height: 44px; }
.geo-map-status { min-height: 1.5rem; margin-bottom: 0; color: var(--muted); }
.geo-map-canvas { width: 100%; height: clamp(300px, 48vw, 520px); background: var(--surface-soft); }

@media (max-width: 820px) {
    .header-row { align-items: flex-start; flex-direction: column; padding-block: .8rem; }
    .nav-list { flex-wrap: wrap; gap: .55rem 1rem; }
    .hero, .card-grid.three, .card-grid.two, .split-section, .footer-grid, .cookie-banner-inner { grid-template-columns: 1fr; }
    .release-strip, .source-card, .object-header { align-items: flex-start; flex-direction: column; }
    .house-ad { align-items: flex-start; flex-direction: column; }
    .ad-slot, .rsya-ad { min-height: var(--ad-height-mobile); }
    .cookie-banner { right: .6rem; bottom: .6rem; left: .6rem; }
    .cookie-banner-inner { gap: .8rem; padding-block: .8rem; }
    .cookie-banner-actions { justify-content: flex-start; }
    .geo-map-facts { grid-template-columns: 1fr; }
    .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media print {
    .site-header, .site-footer, .cookie-banner, .feedback-cta, .ad-slot, button { display: none !important; }
    .main-content { padding: 0; }
    a { color: inherit; text-decoration: none; }
    .safe-content a::after { content: " (" attr(href) ")"; font-size: .85em; }
    .contextual-answer:not([open]) > .contextual-answer-body { display: block; }
}

@media (max-width: 520px) {
    .container { width: min(calc(100% - 1.2rem), var(--content)); }
    .main-content { padding-top: 1.5rem; }
    .input-action { align-items: stretch; flex-direction: column; }
    .facts-grid { grid-template-columns: 1fr; }
    .mode-switch { display: flex; }
    .mode-switch a { flex: 1; text-align: center; }
    .object-list li { align-items: flex-start; flex-direction: column; }
    .timeline li { grid-template-columns: 1fr; }
    .timeline span { grid-column: 1; }
    .document div, .parameter div { grid-template-columns: 1fr; gap: 0; }
    .cookie-banner { max-height: calc(100vh - 1.2rem); overflow-y: auto; }
    .cookie-banner-actions { display: grid; grid-template-columns: 1fr; }
    .cookie-banner-actions form, .cookie-banner-actions button, .cookie-banner-actions .button-secondary { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}