:root {
    --bg: #f6f8fb;
    --panel: #ffffff;
    --text: #111827;
    --muted: #5b6472;
    --soft: #eef3f8;
    --border: #dbe3ec;
    --primary: #1d4ed8;
    --primary-soft: #e8f0ff;
    --success: #15803d;
    --warning: #b45309;
    --danger: #b91c1c;
    --radius: 8px;
    --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
    --sidebar-w: 300px;
    --toc-w: 250px;
    --topbar-h: 66px;
    --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font-family: var(--font);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
p, li { line-height: 1.75; }

.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    height: var(--topbar-h);
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(260px, 1fr) auto;
    align-items: center;
    gap: 16px;
    padding: 0 18px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(10px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
}
.brand__logo {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
}
.brand__text small { display: block; color: var(--muted); margin-top: 2px; }

.search { position: relative; width: min(680px, 100%); }
.search input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 12px 116px 12px 44px;
    background: #fff;
    outline: none;
}
.search input:focus {
    border-color: rgba(29, 78, 216, 0.45);
    box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.12);
}
.search__icon {
    position: absolute;
    left: 15px;
    top: 50%;
    width: 18px;
    height: 18px;
    transform: translateY(-50%);
    color: var(--muted);
}
.kbd, .kbdInline {
    font-family: var(--mono);
    font-size: 11px;
    padding: 2px 6px;
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 7px;
    background: var(--soft);
    color: var(--muted);
}
.search .kbd, .search .kbdPlus {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.search .kbd:nth-of-type(1) { right: 72px; }
.search .kbd:nth-of-type(2) { right: 28px; }
.kbdPlus { right: 58px; color: var(--muted); font-size: 12px; }

.topbar__right { display: flex; align-items: center; gap: 10px; }
.pill, .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--soft);
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}
.badge--admin { background: #eef2ff; color: #3730a3; border-color: #c7d2fe; }
.badge--manager { background: #ecfdf5; color: #166534; border-color: #bbf7d0; }
.badge--inventory { background: #fff7ed; color: #9a3412; border-color: #fed7aa; }
.badge--later { background: #fef2f2; color: var(--danger); border-color: #fecaca; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    background: #fff;
    text-decoration: none;
    font-weight: 700;
}
.btn--ghost { background: transparent; }

.layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
    min-height: calc(100vh - var(--topbar-h));
}
.sidebar, .toc {
    position: sticky;
    top: var(--topbar-h);
    height: calc(100vh - var(--topbar-h));
    overflow: auto;
    scrollbar-gutter: stable;
    background: #fff;
}
.sidebar {
    padding: 18px;
    border-right: 1px solid var(--border);
}
.toc {
    padding: 18px;
    border-left: 1px solid var(--border);
}
.sidebar__section { margin-bottom: 20px; }
.sidebar__title, .toc__title {
    margin: 10px 0 9px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.nav { display: grid; gap: 5px; }
.nav__link {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    padding: 9px 10px;
    color: var(--text);
    border: 1px solid transparent;
    border-radius: 8px;
    text-decoration: none;
}
.nav__link:hover { background: var(--soft); border-color: var(--border); text-decoration: none; }
.nav__link.is-active { background: var(--primary-soft); border-color: #bfd0ff; color: #123c96; }
.nav__link small { color: var(--muted); font-size: 11px; }

.supportCard {
    margin-top: 20px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--soft);
}
.supportCard__title { font-weight: 800; margin-bottom: 6px; }
.supportCard p { margin: 0; color: var(--muted); font-size: 13px; }

.main { padding: 28px 24px 46px; }
.content { max-width: 980px; margin: 0 auto; }
.breadcrumbs { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; }
h1 { font-size: 36px; line-height: 1.15; margin: 12px 0 10px; letter-spacing: -0.02em; }
h2 { font-size: 24px; margin: 34px 0 12px; padding-top: 10px; }
h3 { font-size: 18px; margin: 22px 0 8px; }
.lead { color: var(--muted); font-size: 17px; line-height: 1.8; margin: 0 0 18px; }

.hero {
    padding: 24px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    margin: 18px 0;
}
.hero__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.grid2, .grid3 {
    display: grid;
    gap: 14px;
    margin: 18px 0;
}
.grid2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card, .example, .connection, .checklist, .warningBox, .tipBox {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}
.card__title, .boxTitle { font-weight: 800; margin-bottom: 8px; }
.example { border-left: 5px solid var(--primary); }
.connection { border-left: 5px solid var(--success); background: #f7fff9; }
.warningBox { border-left: 5px solid var(--warning); background: #fffbeb; }
.tipBox { border-left: 5px solid #6366f1; background: #f5f6ff; }

.list { margin: 0; padding-left: 20px; }
.steps { counter-reset: step; list-style: none; padding-left: 0; }
.steps li {
    position: relative;
    padding: 10px 0 10px 44px;
    border-bottom: 1px solid var(--border);
}
.steps li::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    top: 10px;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
}

.media {
    position: relative;
    margin: 18px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow);
}
.media img, .media video { width: 100%; height: auto; display: block; }
.media--animated img { background: #f8fafc; }
.motionBadge {
    display: inline-flex;
    margin-right: 8px;
    padding: 3px 7px;
    border-radius: 999px;
    background: #ecfdf5;
    border: 1px solid #bbf7d0;
    color: #166534;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
}
.media__open {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    border: 1px solid rgba(15, 23, 42, 0.14);
    border-radius: 8px;
    padding: 7px 10px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--text);
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
}
.media__open:hover { background: #fff; border-color: rgba(29, 78, 216, 0.35); color: var(--primary); }
.media figcaption {
    padding: 10px 14px;
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid var(--border);
    background: #fbfdff;
}

.screenshotGallery {
    margin: 22px 0;
}
.screenshotGallery__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.screenshotGallery .media {
    margin: 0;
}

.calloutFigure {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.75fr);
    gap: 0;
    margin: 18px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow);
}
.calloutFigure__media {
    position: relative;
    background: #f8fafc;
}
.calloutFigure__media img {
    display: block;
    width: 100%;
    height: auto;
}
.calloutFigure figcaption {
    margin: 0;
    padding: 16px;
    border-left: 1px solid var(--border);
    background: #fbfdff;
}
.calloutFigure figcaption strong {
    display: block;
    margin-bottom: 10px;
    font-size: 15px;
}
.calloutFigure ol {
    margin: 0;
    padding-left: 22px;
}
.calloutFigure li {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 13px;
}

.visualNote,
.printPackSection {
    margin: 22px 0;
    padding: 18px;
    border: 1px solid #c7d2fe;
    border-left: 5px solid #4f46e5;
    border-radius: var(--radius);
    background: #f7f7ff;
    box-shadow: var(--shadow);
}
.visualNote p:last-child,
.printPackSection p:last-child {
    margin-bottom: 0;
}
.printPack {
    background: #fff;
}
.printPack .hero {
    break-after: avoid;
}
.printPackSection {
    break-inside: avoid;
    page-break-inside: avoid;
}

.documentationDepth {
    margin: 26px 0;
    padding-top: 2px;
}

.plainEnglishGuide,
.workflowGuide,
.businessImpactNote,
.verificationChecklist,
.developerNote,
.relatedDocLinks {
    margin: 18px 0;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}

.plainEnglishGuide {
    border-left: 5px solid #0f766e;
    background: #f0fdfa;
}

.workflowGuide {
    border-left: 5px solid #2563eb;
    background: #eff6ff;
}

.businessImpactNote {
    border-left: 5px solid #7c3aed;
    background: #f5f3ff;
}

.verificationChecklist {
    border-left: 5px solid #16a34a;
    background: #f7fff9;
}

.developerNote {
    border-left: 5px solid #334155;
    background: #f8fafc;
}

.relatedDocLinks {
    border-left: 5px solid #0891b2;
    background: #f0f9ff;
}

.miniLabel {
    margin: 12px 0 6px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.checkList {
    display: grid;
    gap: 9px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.checkList li {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    align-items: start;
    gap: 10px;
}

.checkMark {
    display: inline-grid;
    min-width: 34px;
    min-height: 24px;
    place-items: center;
    border-radius: 999px;
    background: #dcfce7;
    color: #166534;
    font-size: 10px;
    font-weight: 900;
}

.devNoteGrid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.devNoteGrid > div {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.76);
}

.devNoteGrid strong {
    display: block;
    margin-bottom: 5px;
    color: var(--text);
}

.devNoteGrid p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.docVisual {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
    overflow: hidden;
    margin: 18px 0;
}
.docVisual__bar {
    display: flex;
    gap: 6px;
    align-items: center;
    padding: 10px 12px;
    background: #111827;
    color: #fff;
    font-size: 13px;
}
.docVisual__dot { width: 9px; height: 9px; border-radius: 50%; background: #ef4444; }
.docVisual__dot:nth-child(2) { background: #f59e0b; }
.docVisual__dot:nth-child(3) { background: #22c55e; }
.docVisual__body { padding: 16px; background: #f8fafc; }
.screenGrid { display: grid; grid-template-columns: 230px 1fr; gap: 14px; min-height: 220px; }
.screenMenu, .screenPanel, .screenCard {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    padding: 12px;
}
.screenMenu span, .screenLine {
    display: block;
    height: 11px;
    border-radius: 999px;
    background: #dbeafe;
    margin: 10px 0;
}
.screenPanel h4 { margin: 0 0 12px; }
.screenCards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.screenCard strong { display: block; font-size: 20px; }
.screenTable { width: 100%; border-collapse: collapse; background: #fff; }
.screenTable th, .screenTable td { border-bottom: 1px solid var(--border); padding: 8px; text-align: left; font-size: 12px; }
.screenTag { display: inline-block; padding: 3px 7px; border-radius: 999px; background: #dcfce7; color: #166534; font-weight: 700; font-size: 11px; }

.flow {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 10px;
    margin: 16px 0;
}
.flow__node {
    flex: 1 1 150px;
    min-width: 140px;
    border: 1px solid #bfdbfe;
    background: #eff6ff;
    border-radius: 8px;
    padding: 12px;
}
.flow__node strong { display: block; margin-bottom: 4px; }
.flow__arrow {
    display: flex;
    align-items: center;
    color: var(--muted);
    font-weight: 800;
}

.tableDoc {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    background: #fff;
    border: 1px solid var(--border);
}
.tableDoc th, .tableDoc td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}
.tableDoc th { background: var(--soft); }

.referenceBlock {
    margin: 22px 0;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: var(--shadow);
}
.referenceBlock h2,
.referenceBlock h3 {
    margin-top: 0;
}
.referenceBlock__intro {
    margin: 0 0 12px;
    color: var(--muted);
}
.referenceBlock .tableDoc {
    margin: 0;
}
.docColumns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.miniCode {
    display: inline-block;
    padding: 2px 7px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--soft);
    color: var(--text);
    font-family: var(--mono);
    font-size: 12px;
}
.fieldValue {
    display: grid;
    gap: 4px;
}
.fieldValue strong {
    font-size: 14px;
}
.fieldValue span {
    color: var(--muted);
    font-size: 13px;
}
.deepLinkGrid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 16px 0;
}
.deepLinkGrid a {
    display: block;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--panel);
    color: var(--text);
    text-decoration: none;
}
.deepLinkGrid a:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}
.deepLinkGrid strong {
    display: block;
    margin-bottom: 4px;
}
.deepLinkGrid span {
    color: var(--muted);
    font-size: 13px;
}

pre {
    position: relative;
    overflow: auto;
    padding: 16px;
    border-radius: var(--radius);
    background: #0b1220;
    color: #e5e7eb;
}
code { font-family: var(--mono); }
:not(pre) > code {
    padding: 2px 6px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--soft);
    color: var(--text);
}
.copyBtn {
    position: absolute;
    top: 10px;
    right: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 7px;
    padding: 5px 8px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    cursor: pointer;
}

.toc__list a {
    display: block;
    padding: 8px 9px;
    border-radius: 8px;
    color: var(--muted);
    text-decoration: none;
    border: 1px solid transparent;
}
.toc__list a:hover, .toc__list a.is-active {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: #bfd0ff;
}
.is-search-dimmed { opacity: 0.35; }

.pager {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    margin-top: 36px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}
.pager__prev, .pager__next {
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font-weight: 800;
    text-decoration: none;
}

@media (max-width: 1180px) {
    :root { --toc-w: 0px; }
    .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
    .toc { display: none; }
}

@media (max-width: 880px) {
    .topbar { grid-template-columns: 1fr; height: auto; padding: 12px; }
    .topbar__right { display: none; }
    .layout { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
    .grid2, .grid3, .screenGrid, .screenCards, .docColumns, .deepLinkGrid, .calloutFigure, .devNoteGrid, .screenshotGallery__grid { grid-template-columns: 1fr; }
    .calloutFigure figcaption { border-left: 0; border-top: 1px solid var(--border); }
    .main { padding: 18px 14px 36px; }
    h1 { font-size: 30px; }
}

@media print {
    :root {
        --bg: #fff;
        --shadow: none;
        --sidebar-w: 0;
        --toc-w: 0;
    }

    html { scroll-behavior: auto; }
    body { background: #fff; color: #111827; }
    .topbar, .sidebar, .toc, .pager, .copyBtn, .media__open, .supportCard { display: none !important; }
    .layout { display: block; min-height: 0; }
    .main { padding: 0; }
    .content { max-width: none; margin: 0; }
    .breadcrumbs { display: none; }
    .card, .example, .connection, .warningBox, .tipBox, .media, .docVisual, .calloutFigure, .referenceBlock, .visualNote, .printPackSection, .plainEnglishGuide, .workflowGuide, .businessImpactNote, .verificationChecklist, .developerNote, .relatedDocLinks {
        box-shadow: none;
        break-inside: avoid;
        page-break-inside: avoid;
    }
    .devNoteGrid, .screenshotGallery__grid { grid-template-columns: 1fr; }
    .media img, .calloutFigure img {
        max-height: 7in;
        object-fit: contain;
    }
    .calloutFigure { grid-template-columns: 1fr; }
    .calloutFigure figcaption { border-left: 0; border-top: 1px solid var(--border); }
    h1, h2, h3 {
        break-after: avoid;
        page-break-after: avoid;
    }
}