:root {
    --ink: #17213a;
    --muted: #6b7280;
    --line: #e5e7eb;
    --paper: #ffffff;
    --soft: #f6f6f6;
    --soft-blue: #eef2ff;
    --navy: #354a87;
    --navy-dark: #2d4078;
    --blue: #3157b7;
    --gold: #ffc94a;
    --gold-dark: #d6aa28;
    --code: #111827;
    --shadow-sm: 0 8px 24px rgba(23, 33, 58, .08);
    --shadow-md: 0 18px 48px rgba(23, 33, 58, .12);
    --radius: 10px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: linear-gradient(180deg, rgba(238, 242, 255, .72) 0, rgba(246, 246, 246, .2) 340px), var(--soft);
    font-family: Poppins, Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.65;
}

body:before {
    content: "";
    position: fixed;
    inset: 0 0 auto;
    height: 76px;
    background: linear-gradient(90deg, #a9b6dd 0%, var(--navy) 42%, #24396f 100%);
    z-index: 18;
    pointer-events: none;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 30;
    padding: 10px 16px;
    color: #fff;
    background: var(--navy);
    border-radius: var(--radius);
}

.skip-link:focus {
    top: 12px;
}

.docs-header {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 0 34px;
    border-bottom: 0;
    position: sticky;
    top: 0;
    background: transparent;
    backdrop-filter: blur(18px);
    z-index: 20;
    box-shadow: none;
    animation: slideDown .42s ease both;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
    color: #fff;
    text-decoration: none;
    font-weight: 800;
}

.brand img {
    width: 86px;
    height: 56px;
    object-fit: contain;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, .16));
}

.brand span {
    padding-left: 16px;
    border-left: 1px solid rgba(255, 255, 255, .25);
}

.docs-header nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.docs-header nav a,
.guide-toolbar a {
    color: #526079;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius);
    transition: color .18s ease, background .18s ease, transform .18s ease;
}

.docs-header nav a {
    padding: 9px 13px;
    color: rgba(255, 255, 255, .9);
}

.docs-header nav a:hover,
.guide-toolbar a:hover {
    color: var(--navy);
    background: #fff;
    transform: translateY(-1px);
}

.docs-header nav a:last-child {
    color: #fff;
    background: rgba(198, 171, 26, .9);
    border-radius: 999px;
    padding: 10px 18px;
    box-shadow: 0 10px 22px rgba(0, 0, 0, .12);
}

.docs-header nav a:last-child:hover {
    background: var(--gold);
    color: #fff;
}

.docs-shell {
    display: grid;
    grid-template-columns: 320px minmax(0, 880px) 230px;
    max-width: 1480px;
    margin: 0 auto;
    background: rgba(255, 255, 255, .54);
    animation: fadeUp .5s ease .08s both;
}

.docs-sidebar {
    height: calc(100vh - 76px);
    position: sticky;
    top: 76px;
    padding: 30px 20px 44px 28px;
    border-right: 1px solid var(--line);
    overflow: auto;
    background: rgba(255, 255, 255, .8);
    backdrop-filter: blur(14px);
}

.sidebar-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.sidebar-heading p {
    font-weight: 850;
    font-size: 17px;
    margin: 0;
}

.sidebar-heading span {
    font-size: 12px;
    color: var(--navy);
    background: #fff;
    border: 1px solid #dbe3f2;
    border-radius: 999px;
    padding: 4px 10px;
    box-shadow: var(--shadow-sm);
}

.search-box input {
    width: 100%;
    min-height: 50px;
    padding: 12px 15px;
    border: 1px solid #d6deeb;
    border-radius: 12px;
    background: #fff;
    color: var(--ink);
    font: inherit;
    outline: none;
    box-shadow: 0 8px 24px rgba(23, 33, 58, .04);
    transition: border .18s ease, box-shadow .18s ease, transform .18s ease;
}

.search-box input:focus {
    border-color: var(--navy);
    box-shadow: 0 0 0 4px rgba(53, 74, 135, .13);
    transform: translateY(-1px);
}

.nav-group {
    margin-top: 28px;
}

.nav-group h2 {
    margin: 0 10px 9px;
    color: #8794aa;
    font-size: 11px;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.guide-link {
    display: block;
    position: relative;
    padding: 12px 13px 12px 15px;
    margin: 5px 0;
    border-radius: 12px;
    color: #31405b;
    text-decoration: none;
    overflow: hidden;
    transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.guide-link:before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: transparent;
    transform: scaleY(.3);
    transition: transform .2s ease, background .2s ease;
}

.guide-link strong {
    display: block;
    font-size: 14px;
    line-height: 1.35;
}

.guide-link span {
    display: block;
    max-height: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
    opacity: 0;
    overflow: hidden;
    transition: max-height .22s ease, opacity .22s ease, margin .22s ease;
}

.guide-link:hover {
    background: #f4f6ff;
    color: var(--navy);
    transform: translateX(3px);
}

.guide-link:hover span,
.guide-link.is-active span {
    max-height: 80px;
    margin-top: 5px;
    opacity: 1;
}

.guide-link.is-active {
    color: var(--navy);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.guide-link.is-active:before {
    background: var(--gold);
    transform: scaleY(1);
}

.no-results {
    padding: 20px 10px;
    color: var(--muted);
    font-size: 14px;
}

.docs-main {
    min-width: 0;
    padding: 0 58px 80px;
    background: #fff;
    box-shadow: 0 0 0 1px rgba(229, 231, 235, .72);
}

.guide-toolbar {
    height: 70px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--line);
    font-size: 13px;
    color: var(--muted);
}

.guide-toolbar span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.guide-toolbar #open-guide {
    margin-left: auto;
    padding: 8px 10px;
}

.guide-path {
    display: flex;
    gap: 8px;
    min-width: 0;
}

.guide-path a {
    color: var(--blue);
}

#sidebar-toggle {
    display: none;
    border: 1px solid #d6deeb;
    background: #fff;
    color: var(--navy);
    border-radius: 10px;
    padding: 9px 12px;
    font-weight: 800;
    cursor: pointer;
}

.markdown-body {
    padding: 58px 0 72px;
    min-height: 70vh;
    animation: contentIn .36s ease both;
}

.markdown-body.is-loaded {
    animation: contentIn .32s ease both;
}

.markdown-body.is-loading {
    animation: none;
}

.markdown-body h1 {
    font-size: 52px;
    line-height: 1.05;
    letter-spacing: 0;
    margin: 0 0 26px;
    color: #1f2937;
}

.markdown-body h1 em,
.markdown-body h1 strong,
.markdown-body h2 em,
.markdown-body h2 strong {
    color: var(--navy);
}

.markdown-body h1:after {
    content: "";
    display: block;
    width: 64px;
    height: 5px;
    margin-top: 24px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--gold), var(--gold-dark));
}

.markdown-body h2 {
    font-size: 28px;
    line-height: 1.25;
    margin: 54px 0 16px;
    padding-top: 8px;
    letter-spacing: 0;
}

.markdown-body h3 {
    font-size: 20px;
    margin: 34px 0 10px;
}

.markdown-body h4 {
    font-size: 16px;
    margin: 28px 0 8px;
}

.markdown-body h5,
.markdown-body h6 {
    font-size: 14px;
    margin: 22px 0 6px;
    color: #27344d;
}

.markdown-body p,
.markdown-body li {
    color: #3f4d63;
}

.markdown-body a {
    color: var(--blue);
    text-underline-offset: 3px;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 24px;
}

.markdown-body li {
    margin: 6px 0;
}

.markdown-body blockquote {
    margin: 26px 0;
    padding: 16px 20px;
    border-left: 4px solid var(--gold);
    background: #fffbeb;
    border-radius: 0 10px 10px 0;
}

.markdown-body blockquote p {
    margin: 0;
    color: #4b5563;
}

.markdown-body code {
    padding: .18em .42em;
    background: #eef2ff;
    border-radius: 6px;
    color: #9f1239;
    font: 13px/1.5 Consolas, "Courier New", monospace;
}

.code-wrap {
    position: relative;
    margin: 24px 0;
}

.markdown-body pre {
    overflow: auto;
    padding: 24px;
    background: var(--code);
    border-radius: 14px;
    box-shadow: var(--shadow-md);
}

.markdown-body pre code {
    padding: 0;
    background: none;
    color: #dbeafe;
    font-size: 13px;
}

.copy-code {
    position: absolute;
    right: 10px;
    top: 10px;
    border: 1px solid #4b5563;
    border-radius: 8px;
    padding: 6px 10px;
    color: #e5edff;
    background: #1f2937;
    cursor: pointer;
    transition: background .18s ease, transform .18s ease;
}

.copy-code:hover {
    background: #374151;
    transform: translateY(-1px);
}

.markdown-body table {
    width: 100%;
    display: block;
    overflow: auto;
    border-collapse: collapse;
    margin: 26px 0;
    font-size: 14px;
    border-radius: 12px;
    box-shadow: 0 0 0 1px var(--line);
}

.markdown-body th,
.markdown-body td {
    padding: 12px 14px;
    border: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.markdown-body th {
    background: #f8fafc;
    color: var(--ink);
}

.markdown-body hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 42px 0;
}

.loading-state {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
}

.loading-state span {
    width: 20px;
    height: 20px;
    border: 2px solid var(--line);
    border-top-color: var(--navy);
    border-radius: 50%;
    animation: spin .7s linear infinite;
}

.resources-section {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 28px;
    align-items: start;
    padding: 42px;
    border-radius: 18px;
    background: linear-gradient(135deg, #536894 0%, var(--navy) 42%, #2f3f68 100%);
    color: #fff;
    box-shadow: var(--shadow-md);
}


.resources-section h2 {
    margin: 4px 0 6px;
    font-size: 28px;
}

.resources-section p {
    margin: 0;
    color: #dbe4f6;
}

.eyebrow {
    color: var(--gold) !important;
    font-size: 12px;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: .14em;
}

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

.resource-grid a {
    display: flex;
    flex-direction: column;
    min-height: 132px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 12px;
    background: rgba(255, 255, 255, .08);
    color: #fff;
    text-decoration: none;
    transition: background .2s ease, transform .2s ease, border-color .2s ease;
}

.resource-grid a:hover {
    background: rgba(255, 255, 255, .14);
    border-color: rgba(255, 255, 255, .28);
    transform: translateY(-3px);
}

.resource-grid span {
    font-size: 11px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: .08em;
}

.resource-grid strong {
    margin: 5px 0;
}

.resource-grid small {
    color: #dbe4f6;
}

.page-toc {
    height: calc(100vh - 76px);
    position: sticky;
    top: 76px;
    padding: 42px 24px;
    border-left: 1px solid var(--line);
    background: rgba(255, 255, 255, .64);
    overflow: auto;
}

.page-toc > p {
    margin: 0 0 16px;
    font-size: 12px;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: .12em;
}

.page-toc nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.page-toc a {
    color: var(--muted);
    font-size: 13px;
    text-decoration: none;
    line-height: 1.35;
    border-left: 2px solid transparent;
    padding-left: 10px;
    transition: color .18s ease, border-color .18s ease, transform .18s ease;
}

.page-toc a:hover {
    color: var(--navy);
    border-color: var(--gold);
    transform: translateX(2px);
}

.page-toc a.is-active {
    color: var(--navy);
    border-color: var(--gold);
    font-weight: 800;
    background: rgba(255, 201, 74, .12);
}

.page-toc a.toc-h1 {
    color: var(--ink);
    font-weight: 800;
}

.page-toc a.toc-h3 {
    padding-left: 20px;
}

.page-toc a.toc-h4 {
    padding-left: 30px;
    font-size: 12px;
}

.page-toc a.toc-h5,
.page-toc a.toc-h6 {
    padding-left: 40px;
    font-size: 12px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes contentIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1120px) {
    .docs-shell {
        grid-template-columns: 286px minmax(0, 1fr);
    }

    .page-toc {
        display: none;
    }

    .resources-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .docs-header {
        height: 66px;
        padding: 0 18px;
    }

    .brand img {
        width: 60px;
    }

    .brand span {
        display: none;
    }

    .docs-header nav {
        gap: 4px;
    }

    .docs-header nav a {
        padding: 8px;
        font-size: 13px;
    }

    .docs-header nav a:first-child {
        display: none;
    }

    .docs-shell {
        display: block;
    }

    .docs-sidebar {
        display: none;
        position: fixed;
        z-index: 22;
        left: 0;
        top: 66px;
        width: min(88vw, 340px);
        height: calc(100vh - 66px);
        box-shadow: var(--shadow-md);
        animation: sidebarIn .2s ease both;
    }

    .docs-sidebar.is-open {
        display: block;
    }

    .docs-main {
        padding: 0 22px 56px;
    }

    .guide-toolbar {
        height: 60px;
    }

    .guide-path {
        display: none;
    }

    #sidebar-toggle {
        display: block;
    }

    .markdown-body {
        padding: 38px 0;
    }

    .markdown-body h1 {
        font-size: 36px;
    }

    .markdown-body h2 {
        font-size: 25px;
    }

    .resources-section {
        padding: 28px 22px;
    }

    .resource-grid {
        grid-template-columns: 1fr;
    }
}

@keyframes sidebarIn {
    from {
        opacity: 0;
        transform: translateX(-12px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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