:root {
    --avion-blue: #225682;
    --avion-light-blue: #6D95CA;
    --champagne-gold: #d4af37;
    --gold-deep: #b8902a;
    --pearl-white: #fcfcfc;
    --dove-grey: #f5f5f0;
    --ink: #14202b;
    --ink-soft: #50606e;
    --line: #e7e6df;
    --tech-accent: #7C3AED;
    --success-green: #10B981;
    --font-display: 'Syne',system-ui,sans-serif;
    --font-body: 'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
    --mono: 'JetBrains Mono',ui-monospace,monospace;
    --doch: 60px;
    --maxw: 1320px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--pearl-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased
}

a {
    color: var(--avion-blue);
    text-decoration: none
}

    a:hover {
        text-decoration: underline
    }

::selection {
    background: var(--champagne-gold);
    color: #fff
}

code {
    font-family: var(--mono);
    font-size: .88em;
    background: var(--dove-grey);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 1px 6px
}

pre {
    font-family: var(--mono);
    font-size: .85rem;
    line-height: 1.6;
    background: #0d1726;
    color: #e7eef7;
    border-radius: 12px;
    padding: 18px 20px;
    overflow: auto;
    margin: 14px 0
}

    pre .c {
        color: #7da6ff
    }

    pre .k {
        color: #d4af37
    }
/* docs header */
.doch {
    position: fixed;
    inset: 0 0 auto 0;
    height: var(--doch);
    z-index: 60;
    background: rgba(252,252,252,.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center
}

    .doch .container {
        max-width: var(--maxw);
        margin: 0 auto;
        padding: 0 24px;
        width: 100%;
        display: flex;
        align-items: center;
        gap: 20px
    }

    .doch .logo {
        display: flex;
        align-items: center;
        gap: 10px
    }

        .doch .logo svg {
            width: 26px;
            height: 26px
        }

    .doch .logo-text {
        font-family: var(--font-display);
        font-weight: 800;
        font-size: 1.15rem;
        letter-spacing: .04em;
        color: var(--ink)
    }

    .doch .docs-tag {
        font-family: var(--font-display);
        font-weight: 600;
        font-size: .78rem;
        letter-spacing: .14em;
        text-transform: uppercase;
        color: var(--gold-deep);
        padding-left: 14px;
        border-left: 1px solid var(--line)
    }

    .doch .search-wrap {
        margin-left: auto;
        position: relative
    }

    .doch .search {
        margin-left: 0;
        display: flex;
        align-items: center;
        gap: 8px;
        background: var(--dove-grey);
        border: 1px solid var(--line);
        border-radius: 10px;
        padding: 8px 12px;
        color: var(--ink-soft);
        font-size: .85rem;
        min-width: 200px
    }

    .doch .search-results {
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        width: 100%;
        min-width: 300px;
        background: var(--pearl-white);
        border: 1px solid var(--line);
        border-radius: 10px;
        box-shadow: 0 12px 28px rgba(20,32,43,.12);
        padding: 8px;
        display: flex;
        flex-direction: column;
        gap: 2px;
        z-index: 80;
    }

        .doch .search-results a {
            display: block;
            padding: 8px 10px;
            border-radius: 8px;
            color: var(--ink);
            font-size: .9rem;
            text-decoration: none;
        }

            .doch .search-results a:hover {
                background: var(--dove-grey);
                color: var(--avion-blue);
            }

    .doch .back {
        font-family: var(--font-display);
        font-weight: 600;
        font-size: .85rem;
        color: var(--avion-blue)
    }
/* layout */
.docwrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 248px 1fr 220px;
    gap: 40px;
    padding-top: calc(var(--doch) + 36px);
    padding-bottom: 80px
}
/* sidebar */
.sidebar {
    position: sticky;
    top: calc(var(--doch) + 24px);
    align-self: start;
    max-height: calc(100vh - var(--doch) - 48px);
    overflow: auto
}

    .sidebar .grp .grp {
        padding-left: 10px;
    }

        .sidebar .grp h5 {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: .74rem;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--ink-soft);
            margin-bottom: 10px
        }

    .sidebar a, .toc a {
        display: block;
        color: var(--ink-soft);
        font-size: .9rem;
        padding: 6px 10px;
        border-radius: 8px;
        text-decoration: none;
        border-left: 2px solid transparent
    }

        .sidebar a:hover, .toc a:hover {
            background: var(--dove-grey);
            color: var(--ink);
            text-decoration: none
        }

        .sidebar a.active, .toc a.active {
            color: var(--avion-blue);
            background: rgba(34,86,130,.07);
            border-left-color: var(--avion-blue);
            font-weight: 600
        }
/* content */
.content {
    min-width: 0
}

    .content .crumb {
        font-size: .8rem;
        color: var(--ink-soft);
        margin-bottom: 16px
    }

    .content h1 {
        font-family: var(--font-display);
        font-weight: 800;
        font-size: 2.3rem;
        letter-spacing: -.02em;
        margin-bottom: 10px
    }

    .content .sub {
        color: var(--ink-soft);
        font-size: 1.1rem;
        margin-bottom: 8px
    }

    .content h2 {
        font-family: var(--font-display);
        font-weight: 700;
        font-size: 1.5rem;
        letter-spacing: -.01em;
        margin: 40px 0 12px;
        padding-top: 10px;
        border-top: 1px solid var(--line)
    }

    .content h3 {
        font-family: var(--font-display);
        font-weight: 700;
        font-size: 1.12rem;
        margin: 24px 0 8px
    }

    .content p {
        margin-bottom: 14px
    }

    .content ul, .content ol {
        margin: 0 0 14px 22px
    }

    .content li {
        margin-bottom: 6px
    }

.callout {
    display: flex;
    gap: 12px;
    background: rgba(34,86,130,.06);
    border: 1px solid rgba(34,86,130,.18);
    border-left: 3px solid var(--avion-blue);
    border-radius: 10px;
    padding: 14px 16px;
    margin: 16px 0;
    font-size: .92rem
}

    .callout .i {
        font-size: 1.1rem
    }

.tablewrap {
    overflow: auto;
    margin: 14px 0
}

table {
    border-collapse: collapse;
    width: 100%;
    font-size: .9rem
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border: 1px solid var(--line)
}

th {
    background: var(--dove-grey);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .82rem
}

.pillrow, .chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 8px 0 16px
}

    .pillrow b, .chips b {
        font-weight: 600;
        font-size: .78rem;
        padding: 5px 11px;
        border-radius: 100px;
        background: var(--dove-grey);
        border: 1px solid var(--line);
        color: var(--avion-blue)
    }

.next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 34px
}

    .next a {
        display: block;
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 18px;
        text-decoration: none;
        color: var(--ink);
        transition: border-color .25s,transform .25s
    }

        .next a:hover {
            border-color: var(--avion-light-blue);
            transform: translateY(-3px);
            text-decoration: none
        }

    .next .l {
        font-size: .74rem;
        letter-spacing: .1em;
        text-transform: uppercase;
        color: var(--ink-soft)
    }

    .next .t {
        font-family: var(--font-display);
        font-weight: 700;
        margin-top: 4px
    }
/* on this page */
.toc {
    position: sticky;
    top: calc(var(--doch) + 24px);
    align-self: start;
    font-size: .85rem
}

    .toc h6 {
        font-family: var(--font-display);
        font-weight: 700;
        font-size: .72rem;
        letter-spacing: .12em;
        text-transform: uppercase;
        color: var(--ink-soft);
        margin-bottom: 10px;
        padding: 6px 10px;
    }

    .toc a {
        display: block;
        color: var(--ink-soft);
        text-decoration: none
    }

        .toc a:hover {
            color: var(--avion-blue)
        }

.menu-btn {
    display: none
}

@media(max-width:1080px) {
    .docwrap {
        grid-template-columns: 1fr
    }

    .toc {
        display: none
    }

    .sidebar {
        position: fixed;
        top: var(--doch);
        left: 0;
        bottom: 0;
        width: 280px;
        background: #fff;
        border-right: 1px solid var(--line);
        padding: 20px;
        transform: translateX(-100%);
        transition: transform .3s;
        z-index: 55;
        max-height: none
    }

        .sidebar.open {
            transform: none
        }

    .menu-btn {
        display: inline-block;
        background: var(--dove-grey);
        border: 1px solid var(--line);
        border-radius: 8px;
        padding: 6px 12px;
        font-size: .85rem;
        cursor: pointer;
        color: var(--ink)
    }

    .doch .search {
        display: none
    }
}
/* ---- readability tuning: Syne only for logo + page H1; Inter for all other headings ---- */
.doch .logo-text {
    font-weight: 800
}

.docs-tag {
    font-family: var(--font-body);
    font-weight: 700
}

.content h1 {
    font-weight: 700;
    font-size: 1.95rem;
    letter-spacing: -.02em
}

.content h2 {
    font-family: var(--font-body);
    font-weight: 800;
    letter-spacing: -.01em
}

.content h3 {
    font-family: var(--font-body);
    font-weight: 700
}

.sidebar .grp h5, .toc h6 {
    font-family: var(--font-body)
}

.next .t, th {
    font-family: var(--font-body)
}

/* FIXES */
button.back {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
}

.content .callout p {
    margin-bottom: 0;
}

.content img {
    max-width: 100%;
    height: auto;
    cursor: zoom-in;
}