:root {
    --doc-hot: #f1895b;
    --doc-violet: #a89bdf;
}

:root[data-theme="light"] {
    --doc-hot: #bd5f38;
    --doc-violet: #7063ae;
}

body {
    --page-width: 1280px;
}

[dir="rtl"] code {
    direction: ltr;
    unicode-bidi: isolate;
}

.docs-mast {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(290px, 0.64fr);
    gap: clamp(32px, 6vw, 72px);
    align-items: center;
    min-block-size: 275px;
    margin-block: 0 44px;
    padding: 34px clamp(22px, 4vw, 46px);
    overflow: hidden;
    border: 1px solid var(--border-soft);
    border-block-start-color: var(--doc-hot);
    background: var(--surface);
}

.docs-eyebrow {
    margin-block-end: 18px;
    color: var(--doc-hot);
    font-family: var(--mono-font);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.docs-mast h1 {
    max-inline-size: 680px;
    margin: 0;
    font-family: var(--body-font);
    font-size: clamp(2.8rem, 5.3vw, 4.8rem);
    font-weight: 520;
    letter-spacing: -0.065em;
    line-height: 0.92;
}

.docs-mast h1 em {
    display: block;
    margin-block-start: 7px;
    color: var(--doc-hot);
    font-weight: 400;
    font-style: normal;
}

.docs-deck {
    max-inline-size: 650px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.65;
}

.docs-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 17px;
    margin-block-start: 20px;
    color: var(--subtle);
    font-family: var(--mono-font);
    font-size: 9px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.docs-meta span::before {
    content: "·";
    margin-inline-end: 8px;
    color: var(--doc-hot);
}

.mast-specimen {
    position: relative;
    z-index: 1;
    min-inline-size: 0;
    padding: 18px;
    border: 1px solid var(--border-soft);
    background: var(--code-bg);
}

.specimen-label,
.specimen-note {
    color: var(--subtle);
    font-family: var(--mono-font);
    font-size: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.specimen-label {
    margin-block-end: 14px;
    color: var(--doc-hot);
}

.mast-specimen pre {
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--text);
    font-size: 0.72rem;
    line-height: 1.8;
}

.mast-specimen .comment {
    color: var(--subtle);
}

.mast-specimen .observe {
    color: var(--doc-violet);
}

.mast-specimen .intervene {
    color: var(--doc-hot);
}

.specimen-note {
    margin-block-start: 15px;
    padding-block-start: 11px;
    border-block-start: 1px solid var(--border-soft);
    line-height: 1.6;
}

.docs-layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 760px) minmax(145px, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
}

.doc-sidebar,
.doc-toc {
    position: sticky;
    inset-block-start: 24px;
    max-block-size: calc(100vh - 48px);
    overflow-y: auto;
}

.doc-sidebar {
    padding-inline-end: 19px;
    border-inline-end: 1px solid var(--border-soft);
}

.doc-nav-group + .doc-nav-group {
    margin-block-start: 28px;
}

.doc-nav-label,
.doc-toc-label {
    margin-block-end: 10px;
    color: var(--subtle);
    font-family: var(--mono-font);
    font-size: 9px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.doc-nav-group a,
.doc-toc a {
    display: block;
    padding-block: 5px;
    color: var(--muted);
    font-family: var(--mono-font);
    font-size: 10px;
    line-height: 1.45;
    text-decoration: none;
}

.doc-nav-group a:hover,
.doc-toc a:hover {
    color: var(--doc-hot);
}

.doc-nav-group a[aria-current="page"] {
    position: relative;
    color: var(--heading);
}

.doc-nav-group a[aria-current="page"]::before {
    content: "";
    position: absolute;
    inset: 50% auto auto -20px;
    inline-size: 11px;
    block-size: 1px;
    background: var(--doc-hot);
}

.doc-toc {
    padding-inline-start: 18px;
    border-inline-start: 1px solid var(--border-soft);
}

.doc-toc a {
    font-size: 9px;
}

.doc-main {
    min-inline-size: 0;
}

.doc-main > :first-child {
    margin-block-start: 0;
}

.doc-main h2,
.doc-main h3 {
    scroll-margin-block-start: 28px;
}

.doc-main h2 {
    margin-block-start: 64px;
    font-family: var(--body-font);
    font-size: 1.45rem;
    font-weight: 540;
    letter-spacing: -0.025em;
}

.doc-main h3 {
    margin-block-start: 38px;
    font-family: var(--body-font);
    font-weight: 560;
    letter-spacing: -0.015em;
}

.doc-main p,
.doc-main li {
    max-inline-size: 72ch;
}

.doc-main .lead {
    color: var(--heading);
    font-family: var(--body-font);
    font-size: 1.08rem;
    font-weight: 430;
    line-height: 1.72;
}

.contract-note {
    margin-block: 0 34px;
    padding: 15px 17px;
    border: 1px solid var(--border-soft);
    border-inline-start: 2px solid var(--doc-hot);
    background: var(--surface);
}

.contract-note strong {
    display: block;
    margin-block-end: 5px;
    color: var(--doc-hot);
    font-family: var(--mono-font);
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.contract-note p {
    margin: 0;
    color: var(--muted);
    font-size: 0.84rem;
}

.flow-anchor {
    max-inline-size: 620px;
    margin-block: 30px;
    padding: 18px;
    border: 1px solid var(--border-soft);
    background: var(--surface);
}

.flow-title {
    margin-block-end: 15px;
    color: var(--subtle);
    font-family: var(--mono-font);
    font-size: 9px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

[dir="rtl"] .flow-title {
    font-family: var(--arabic-font);
    letter-spacing: 0;
    text-transform: none;
}

.flow-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
}

.flow-node {
    inline-size: min(100%, 360px);
    padding: 8px 12px;
    border: 1px solid var(--border-soft);
    background: var(--bg);
    color: var(--heading);
    font-family: var(--mono-font);
    font-size: 0.75rem;
    text-align: center;
}

.flow-arrow {
    color: var(--doc-hot);
    font-family: var(--mono-font);
    font-size: 0.82rem;
    line-height: 1;
}

.flow-branches {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    inline-size: 100%;
}

.flow-branch {
    padding: 12px;
    border: 1px solid var(--border-soft);
    background: var(--bg);
    font-family: var(--mono-font);
    font-size: 0.75rem;
    text-align: center;
}

.flow-branch.observe {
    border-block-start: 2px solid var(--doc-violet);
}

.flow-branch.intervene {
    border-block-start: 2px solid var(--doc-hot);
}

.flow-branch small {
    display: block;
    margin-block-start: 5px;
    color: var(--muted);
    font-family: var(--arabic-font, var(--body-font));
    font-size: 0.72rem;
    line-height: 1.55;
}

.principle-grid {
    display: block;
    margin-block: 28px;
    border-block-start: 1px solid var(--border);
}

.principle {
    display: grid;
    grid-template-columns: 2.4rem 10.5rem minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
    min-inline-size: 0;
    padding: 13px 0;
    border-block-end: 1px solid var(--border-soft);
}

.principle code {
    display: inline;
    margin: 0;
    color: var(--doc-hot);
}

.principle strong {
    display: inline;
    margin: 0;
    font-size: 0.9rem;
}

.principle p {
    margin: 0;
    color: var(--muted);
    font-size: 0.76rem;
    line-height: 1.6;
}

.experiment-doc {
    margin-block: 34px;
    border-block-start: 2px solid var(--doc-violet);
}

.experiment-doc.intervention {
    border-block-start-color: var(--doc-hot);
}

.experiment-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 20px;
    padding: 22px 0 16px;
    border-block-end: 1px solid var(--border-soft);
}

.experiment-header h3 {
    margin: 0;
    font-family: var(--body-font);
    font-size: 1.55rem;
    font-weight: 550;
    letter-spacing: -0.035em;
}

.experiment-header p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.mode-badge {
    align-self: start;
    padding: 4px 7px;
    border: 1px solid var(--border-soft);
    color: var(--doc-violet);
    font-family: var(--mono-font);
    font-size: 8px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.intervention .mode-badge {
    color: var(--doc-hot);
}

.command {
    position: relative;
}

.command pre {
    padding-block-start: 43px;
}

.command::before {
    content: attr(data-label);
    position: absolute;
    inset: 11px auto auto 18px;
    z-index: 1;
    color: var(--subtle);
    font-family: var(--mono-font);
    font-size: 9px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.copy-doc {
    position: absolute;
    inset: 8px 8px auto auto;
    z-index: 2;
    padding: 4px 7px;
    border: 1px solid var(--border-soft);
    background: transparent;
    color: var(--muted);
    font-family: var(--mono-font);
    font-size: 9px;
    cursor: pointer;
}

.copy-doc:hover {
    border-color: var(--doc-hot);
    color: var(--doc-hot);
}

.field-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-block: 24px;
    border-block-start: 1px solid var(--border);
}

.field-list div {
    display: grid;
    grid-template-columns: 9rem 1fr;
    gap: 14px;
    padding: 10px 0;
    border-block-end: 1px solid var(--border-soft);
}

.field-list div:nth-child(odd) {
    margin-inline-end: 26px;
}

.field-list dt,
.field-list dd {
    margin: 0;
    font-size: 0.78rem;
}

.field-list dt {
    color: var(--heading);
    font-family: var(--mono-font);
}

.field-list dd {
    color: var(--muted);
}

.status-ok,
.status-warn,
.status-no {
    font-family: var(--mono-font);
    font-size: 9px;
    white-space: nowrap;
}

.status-ok {
    color: var(--doc-violet);
}

.status-warn {
    color: var(--doc-hot);
}

.status-no {
    color: var(--subtle);
}

.boundary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-block: 26px;
}

.boundary-box {
    padding: 18px;
    border: 1px solid var(--border-soft);
    background: var(--bg);
}

.boundary-box.allowed {
    border-block-start: 2px solid var(--doc-violet);
}

.boundary-box.denied {
    border-block-start: 2px solid var(--doc-hot);
}

.boundary-box strong {
    display: block;
    margin-block-end: 11px;
    font-family: var(--mono-font);
    font-size: 10px;
    text-transform: uppercase;
}

.boundary-box ul {
    margin: 0;
    padding-inline-start: 1.1rem;
}

.boundary-box li {
    margin-block: 6px;
    color: var(--muted);
    font-size: 0.77rem;
}

.source-map {
    margin-block: 28px;
    padding: 16px 18px;
    border: 1px solid var(--border-soft);
    border-inline-start: 2px solid var(--doc-hot);
    background: var(--surface);
    color: var(--muted);
    font-family: var(--mono-font);
    font-size: 0.72rem;
    line-height: 1.85;
}

.source-map a {
    color: var(--doc-violet);
    text-decoration: none;
}

.source-map .branch {
    color: var(--subtle);
}

.docs-next {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-block: 64px 0;
    padding-block-start: 20px;
    border-block-start: 1px solid var(--border);
}

.docs-next a {
    display: block;
    padding: 15px;
    border: 1px solid var(--border-soft);
    background: var(--bg);
    color: var(--heading);
    font-family: var(--mono-font);
    font-size: 10px;
    text-decoration: none;
}

.docs-next a:hover {
    border-color: var(--doc-hot);
    color: var(--doc-hot);
}

.docs-next small {
    display: block;
    margin-block-end: 5px;
    color: var(--subtle);
    font-size: 8px;
    text-transform: uppercase;
}

@media (max-width: 1050px) {
    .docs-layout {
        grid-template-columns: 175px minmax(0, 1fr);
    }

    .doc-toc {
        display: none;
    }
}

@media (max-width: 760px) {
    .docs-mast {
        grid-template-columns: 1fr;
        padding: 22px 17px;
    }

    .docs-mast h1 {
        font-size: clamp(2.8rem, 14vw, 4rem);
    }

    .docs-layout {
        display: block;
    }

    .doc-sidebar {
        position: static;
        display: flex;
        gap: 24px;
        max-block-size: none;
        margin-block-end: 36px;
        padding: 0 0 16px;
        overflow-x: auto;
        border: 0;
        border-block-end: 1px solid var(--border-soft);
    }

    .doc-nav-group {
        min-inline-size: max-content;
    }

    .doc-nav-group + .doc-nav-group {
        margin: 0;
    }

    .doc-nav-group a[aria-current="page"]::before {
        display: none;
    }

    .field-list,
    .boundary-grid,
    .flow-branches,
    .docs-next {
        grid-template-columns: 1fr;
    }

    .principle {
        grid-template-columns: 2rem minmax(0, 1fr);
        gap: 8px 14px;
    }

    .principle p {
        grid-column: 2;
    }

    .field-list div:nth-child(odd) {
        margin-inline-end: 0;
    }

    .experiment-header {
        grid-template-columns: 1fr;
    }

    .mode-badge {
        justify-self: start;
    }

}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}