:root {
    color-scheme: light;
    --bg: #f4efe6;
    --paper: #fffdf8;
    --paper-strong: #fffaf1;
    --ink: #1d2433;
    --muted: #5f6779;
    --line: #d8d5ca;
    --accent: #4d7bd6;
    --accent-strong: #2f5db5;
    --accent-soft: #dce8ff;
    --sidebar: #e7edf8;
    --sidebar-shadow: rgba(37, 60, 96, 0.16);
    --code-bg: #1f2736;
    --code-ink: #eef4ff;
    --warning: #f1b55e;
    --shadow: 0 18px 50px rgba(35, 47, 70, 0.12);
    --body-glow: rgba(109, 152, 230, 0.18);
    --body-start: #fbf6ee;
    --body-end: #f1ecdf;
    --grid-line: rgba(92, 118, 156, 0.06);
    --grid-line-vertical: rgba(92, 118, 156, 0.05);
    --panel-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 252, 244, 0.96));
    --card-gradient: linear-gradient(180deg, rgba(242, 247, 255, 0.9), rgba(255, 253, 247, 0.9));
    --component-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(246, 249, 255, 0.62));
    --callout-gradient: linear-gradient(135deg, rgba(255, 244, 221, 0.85), rgba(255, 252, 245, 0.95));
    --control-bg: rgba(255, 255, 255, 0.88);
    --control-hover-shadow: rgba(65, 92, 136, 0.14);
    --inline-code-bg: rgba(77, 123, 214, 0.1);
    --inline-code-ink: #23427d;
    --sidebar-sheen: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
    --subtle-panel: rgba(255, 253, 248, 0.75);
    --field-bg: rgba(255, 255, 255, 0.82);
    --nav-hover-bg: rgba(255, 255, 255, 0.72);
    --topbar-bg: rgba(255, 252, 245, 0.8);
    --nav-section: #d94869;
    --nav-section-active-bg: rgba(217, 72, 105, 0.12);
    --nav-row-active-bg: rgba(77, 123, 214, 0.14);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --sidebar-width: 320px;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #10141c;
    --paper: #171d28;
    --paper-strong: #1e2634;
    --ink: #eef3fb;
    --muted: #b3bdce;
    --line: #323b4b;
    --accent: #8fb2ff;
    --accent-strong: #b7ccff;
    --accent-soft: rgba(96, 139, 220, 0.26);
    --sidebar: #151c27;
    --sidebar-shadow: rgba(0, 0, 0, 0.34);
    --code-bg: #080c13;
    --code-ink: #f0f5ff;
    --warning: #ffc46b;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
    --body-glow: rgba(77, 123, 214, 0.16);
    --body-start: #171d27;
    --body-end: #0e1218;
    --grid-line: rgba(160, 181, 218, 0.07);
    --grid-line-vertical: rgba(160, 181, 218, 0.05);
    --panel-gradient: linear-gradient(180deg, rgba(29, 37, 50, 0.92), rgba(20, 26, 36, 0.98));
    --card-gradient: linear-gradient(180deg, rgba(31, 42, 60, 0.94), rgba(20, 27, 38, 0.92));
    --component-gradient: linear-gradient(180deg, rgba(28, 37, 52, 0.9), rgba(18, 24, 34, 0.82));
    --callout-gradient: linear-gradient(135deg, rgba(87, 62, 28, 0.66), rgba(27, 30, 39, 0.96));
    --control-bg: rgba(28, 36, 49, 0.9);
    --control-hover-shadow: rgba(0, 0, 0, 0.24);
    --inline-code-bg: rgba(143, 178, 255, 0.15);
    --inline-code-ink: #d4e0ff;
    --sidebar-sheen: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
    --subtle-panel: rgba(24, 32, 45, 0.78);
    --field-bg: rgba(20, 27, 38, 0.86);
    --nav-hover-bg: rgba(42, 53, 72, 0.72);
    --topbar-bg: rgba(22, 29, 40, 0.84);
    --nav-section: #ff708a;
    --nav-section-active-bg: rgba(255, 112, 138, 0.14);
    --nav-row-active-bg: rgba(255, 255, 255, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, var(--body-glow), transparent 28rem),
        linear-gradient(180deg, var(--body-start) 0%, var(--bg) 45%, var(--body-end) 100%);
    font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "URW Palladio L", Georgia, serif;
    transition: color 160ms ease, background-color 160ms ease;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line-vertical) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 70%);
}

body.has-lightbox {
    overflow: hidden;
}

a {
    color: var(--accent-strong);
}

code,
pre {
    font-family: "Cascadia Mono", "CaskaydiaMono Nerd Font", "Source Code Pro", "SFMono-Regular", monospace;
}

.site-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    position: relative;
    z-index: 1;
}

.sidebar {
    padding: 1.5rem 1.15rem 1.15rem;
    background:
        var(--sidebar-sheen),
        var(--sidebar);
    border-right: 1px solid rgba(83, 107, 151, 0.18);
    box-shadow: 8px 0 30px var(--sidebar-shadow);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: auto;
}

.sidebar__brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1.25rem;
}

.sidebar__brand h1,
.topbar__copy h2,
.doc-page h1,
.doc-page h2,
.doc-page h3 {
    font-family: "Palatino Linotype", "Book Antiqua", "URW Palladio L", Georgia, serif;
}

.sidebar__brand h1 {
    margin: 0.12rem 0 0;
    font-size: 1.7rem;
    letter-spacing: 0.02em;
}

.sidebar__crest {
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: white;
    background:
        radial-gradient(circle at 30% 30%, #7fa6ef, #3e66b7 70%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
    overflow: visible;
}

.sidebar__crest img {
    width: 88%;
    height: 88%;
    object-fit: contain;
    display: block;
    image-rendering: pixelated;
}

.sidebar__intro,
.doc-callout {
    background: var(--subtle-panel);
    border: 1px solid rgba(78, 105, 148, 0.16);
    border-radius: var(--radius-md);
    padding: 0.95rem 1rem;
}

.sidebar__intro p {
    margin: 0;
    line-height: 1.5;
    color: var(--muted);
}

.version-chip {
    display: inline-flex;
    margin-top: 0.8rem;
    padding: 0.35rem 0.72rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.86rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.eyebrow {
    margin: 0;
    color: var(--accent-strong);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.72rem;
    font-weight: 700;
}

.search-field {
    display: grid;
    gap: 0.45rem;
    margin: 1rem 0 1.1rem;
    font-size: 0.88rem;
    font-weight: 700;
}

.search-field input {
    width: 100%;
    padding: 0.78rem 0.9rem;
    border-radius: 14px;
    border: 1px solid rgba(77, 123, 214, 0.2);
    background: var(--field-bg);
    color: var(--ink);
    font: inherit;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.search-field input:focus {
    outline: none;
    border-color: rgba(77, 123, 214, 0.75);
    box-shadow: 0 0 0 4px rgba(77, 123, 214, 0.15);
    transform: translateY(-1px);
}

.sidebar__nav {
    display: grid;
    gap: 0.2rem;
    margin-inline: -1.15rem;
}

.nav-group {
    border: 0;
}

.nav-group__title {
    display: flex;
    align-items: center;
    gap: 0.58rem;
    margin: 0;
    padding: 0.72rem 1.25rem;
    color: var(--nav-section);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    list-style: none;
    user-select: none;
}

.nav-group[open] > .nav-group__title {
    background: var(--nav-section-active-bg);
}

.nav-group__title::-webkit-details-marker {
    display: none;
}

.nav-group__chevron {
    width: 0.62rem;
    height: 0.62rem;
    border-right: 3px solid currentColor;
    border-bottom: 3px solid currentColor;
    transform: rotate(-45deg);
    transition: transform 160ms ease;
}

.nav-group[open] .nav-group__chevron {
    transform: rotate(45deg) translateY(-2px);
}

.nav-group__links {
    display: grid;
    padding: 0.28rem 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.62rem;
    text-decoration: none;
    color: var(--ink);
    padding: 0.48rem 1.25rem 0.48rem 1.95rem;
    border-radius: 0;
    transition: background-color 150ms ease, color 150ms ease;
}

.nav-link:hover {
    background: var(--nav-hover-bg);
}

.nav-link.is-active {
    background: var(--nav-row-active-bg);
}

.nav-link__icon {
    position: relative;
    flex: 0 0 auto;
    width: 0.86rem;
    height: 0.86rem;
    border: 1px solid var(--muted);
    border-radius: 3px;
    opacity: 0.82;
}

.nav-link__icon::before,
.nav-link__icon::after {
    content: "";
    position: absolute;
    inset: 50% auto auto 50%;
    width: 0.48rem;
    height: 1px;
    background: var(--muted);
    transform: translate(-50%, -50%);
}

.nav-link__icon::after {
    width: 1px;
    height: 0.48rem;
}

.nav-link.is-active .nav-link__icon,
.nav-link:hover .nav-link__icon {
    border-color: var(--accent-strong);
}

.nav-link.is-active .nav-link__icon::before,
.nav-link.is-active .nav-link__icon::after,
.nav-link:hover .nav-link__icon::before,
.nav-link:hover .nav-link__icon::after {
    background: var(--accent-strong);
}

.nav-link__title {
    display: block;
    min-width: 0;
    font-weight: 500;
    line-height: 1.3;
}

.main-panel {
    min-width: 0;
    padding: 1.35rem 1.4rem 2rem;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem 1.2rem;
    border-radius: 22px;
    background: var(--topbar-bg);
    border: 1px solid rgba(103, 119, 145, 0.16);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.topbar__copy h2 {
    margin: 0.18rem 0 0;
    font-size: 1.2rem;
}

.topbar__link,
.page-link-button,
.menu-toggle,
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border-radius: 999px;
    border: 1px solid rgba(77, 123, 214, 0.18);
    background: var(--control-bg);
    color: var(--accent-strong);
    text-decoration: none;
    font-weight: 700;
    padding: 0.7rem 1rem;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.topbar__link:hover,
.page-link-button:hover,
.menu-toggle:hover,
.theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px var(--control-hover-shadow);
    border-color: rgba(77, 123, 214, 0.42);
}

.topbar__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.menu-toggle {
    display: none;
    font: inherit;
    cursor: pointer;
}

.theme-toggle {
    font: inherit;
    cursor: pointer;
    min-height: 2.75rem;
    padding: 0.55rem 0.78rem;
}

.theme-toggle__label {
    color: var(--muted);
    font-size: 0.9rem;
    transition: color 160ms ease;
}

.theme-toggle__track {
    width: 2.7rem;
    height: 1.42rem;
    padding: 0.18rem;
    border-radius: 999px;
    background: var(--accent-soft);
    box-shadow: inset 0 0 0 1px rgba(77, 123, 214, 0.18);
}

.theme-toggle__thumb {
    display: block;
    width: 1.06rem;
    height: 1.06rem;
    border-radius: 999px;
    background: var(--accent-strong);
    transition: transform 180ms ease, background-color 180ms ease;
}

[data-theme="light"] .theme-toggle__label--light,
[data-theme="dark"] .theme-toggle__label--dark {
    color: var(--accent-strong);
}

[data-theme="dark"] .theme-toggle__thumb {
    transform: translateX(1.28rem);
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 1.2rem;
    align-items: start;
}

.doc-page,
.toc-panel {
    background: var(--panel-gradient);
    border: 1px solid rgba(89, 103, 133, 0.14);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.doc-page {
    padding: 2rem clamp(1.05rem, 2vw, 2.45rem);
}

.doc-page h1 {
    margin: 0.25rem 0 0.8rem;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 0.98;
}

.doc-page__summary {
    margin: 0 0 1.5rem;
    font-size: 1.1rem;
    line-height: 1.65;
    color: var(--muted);
    max-width: 60rem;
}

.doc-hero {
    padding-bottom: 1.35rem;
    border-bottom: 1px solid var(--line);
    margin-bottom: 1.4rem;
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1rem;
}

.hero-chip {
    border-radius: 999px;
    padding: 0.42rem 0.7rem;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
}

.doc-page h2,
.doc-page h3 {
    scroll-margin-top: 1.2rem;
}

.doc-page h2 {
    margin-top: 2rem;
    margin-bottom: 0.65rem;
    font-size: 1.72rem;
}

.doc-page h3 {
    margin-top: 1.35rem;
    margin-bottom: 0.45rem;
    font-size: 1.2rem;
}

.doc-page p,
.doc-page li {
    font-size: 1.02rem;
    line-height: 1.72;
}

.doc-page ul,
.doc-page ol {
    padding-left: 1.35rem;
}

.doc-page li + li {
    margin-top: 0.35rem;
}

.doc-page pre {
    margin: 1rem 0;
    padding: 1rem 1.05rem;
    border-radius: 16px;
    background: var(--code-bg);
    color: var(--code-ink);
    overflow-x: auto;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.doc-page code {
    font-size: 0.92em;
}

.doc-page :not(pre) > code {
    background: var(--inline-code-bg);
    color: var(--inline-code-ink);
    padding: 0.16rem 0.38rem;
    border-radius: 8px;
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.95rem;
    margin: 1.2rem 0 0.5rem;
}

.doc-card,
.doc-callout {
    padding: 1rem 1rem 1.05rem;
}

.doc-card {
    border-radius: var(--radius-md);
    border: 1px solid rgba(73, 91, 122, 0.14);
    background: var(--card-gradient);
}

.doc-card h3,
.doc-callout h3 {
    margin-top: 0;
}

.doc-card p,
.doc-callout p {
    margin-bottom: 0;
    color: var(--muted);
}

.component-entry {
    margin: 1rem 0 1.25rem;
    padding: 1rem 1rem 0.2rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(73, 91, 122, 0.12);
    background: var(--component-gradient);
}

.component-entry h3 {
    margin-top: 0;
}

.component-entry h4 {
    margin: 0.9rem 0 0.3rem;
    color: var(--accent-strong);
    font-size: 0.98rem;
    letter-spacing: 0.01em;
}

.component-meta {
    margin: 0.75rem 0 0.9rem;
    padding-left: 1.2rem;
}

.component-meta li {
    color: var(--muted);
}

.component-meta strong {
    color: var(--ink);
}

.doc-callout {
    margin: 1.2rem 0;
    border-left: 5px solid var(--warning);
    background: var(--callout-gradient);
}

.doc-callout code {
    background: rgba(0, 0, 0, 0.08);
    color: inherit;
}

.screenshot-request {
    margin: 1.2rem 0;
    min-height: 9rem;
    display: grid;
    place-items: center;
    padding: 1.25rem;
    border: 1px dashed rgba(77, 123, 214, 0.45);
    border-radius: var(--radius-md);
    background: var(--component-gradient);
}

.screenshot-request figcaption {
    max-width: 42rem;
    margin: 0;
    color: var(--muted);
    font-weight: 700;
    line-height: 1.55;
    text-align: center;
}

.doc-screenshot {
    margin: 1.2rem 0;
}

.doc-screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1rem;
    margin: 1.2rem 0;
}

.doc-screenshot-grid .doc-screenshot {
    margin: 0;
}

.doc-screenshot img {
    display: block;
    width: 100%;
    border: 1px solid rgba(73, 91, 122, 0.18);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    cursor: zoom-in;
}

.doc-screenshot img:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 4px;
}

.doc-screenshot figcaption {
    margin: 0.65rem 0 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 3vw, 2rem);
}

.image-lightbox.is-open {
    display: flex;
}

.image-lightbox__backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(6, 9, 14, 0.78);
    cursor: zoom-out;
}

.image-lightbox__dialog {
    position: relative;
    z-index: 1;
    max-width: min(92vw, 96rem);
    max-height: 92vh;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 0.75rem;
    padding: 0.75rem;
    border: 1px solid rgba(143, 178, 255, 0.28);
    border-radius: var(--radius-md);
    background: var(--paper);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
}

.image-lightbox__close {
    justify-self: end;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.45rem 0.85rem;
    color: var(--ink);
    background: var(--control-bg);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.image-lightbox__close:hover,
.image-lightbox__close:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 8px 22px var(--control-hover-shadow);
}

.image-lightbox__image {
    display: block;
    max-width: 100%;
    max-height: 76vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: #05070a;
}

.image-lightbox__caption {
    max-width: 72rem;
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.45;
}

.page-pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
}

.toc-panel {
    position: sticky;
    top: 1.35rem;
    padding: 1rem 1rem 1.1rem;
}

.toc-panel nav {
    display: grid;
    gap: 0.4rem;
}

.toc-link {
    display: block;
    text-decoration: none;
    color: var(--muted);
    font-size: 0.93rem;
    line-height: 1.45;
    padding: 0.32rem 0;
}

.toc-link:hover {
    color: var(--accent-strong);
}

.empty-state {
    padding: 1rem 0.35rem 0;
    color: var(--muted);
    font-size: 0.95rem;
}

@media (max-width: 1100px) {
    .content-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .toc-panel {
        position: static;
    }
}

@media (max-width: 920px) {
    .site-shell {
        grid-template-columns: minmax(0, 1fr);
    }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: min(86vw, 360px);
        transform: translateX(-104%);
        transition: transform 180ms ease;
        z-index: 20;
    }

    .sidebar.is-open {
        transform: translateX(0);
    }

    .main-panel {
        padding: 1rem;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .topbar {
        padding: 0.95rem 1rem;
        align-items: flex-start;
        flex-direction: column;
    }

    .topbar__actions {
        justify-content: flex-start;
    }
}

@media (max-width: 620px) {
    .topbar__actions,
    .theme-toggle {
        width: 100%;
    }

    .theme-toggle {
        justify-content: space-between;
    }

    .doc-page {
        padding: 1.2rem 1rem 1.4rem;
    }

    .doc-page p,
    .doc-page li {
        font-size: 0.97rem;
    }
}