/* ════════════════════════════════════════════════════════════════════
   Budo Documentation — page-specific styles
   ════════════════════════════════════════════════════════════════════ */

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    line-height: 1.6;
}

/* ── NAV ──────────────────────────────────────────────── */
body>nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(14, 14, 18, .85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-width: 0;
    padding: .9rem 1.5rem;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--color-text);
}

.nav-logo a {
    color: inherit;
    display: flex;
    align-items: center;
    gap: .55rem;
}

.nav-logo a:hover {
    text-decoration: none;
}

.nav-logo img {
    width: 26px;
    height: 26px;
    display: block;
}

.nav-logo span {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: 1.6rem;
    list-style: none;
    min-width: 0;
}

.nav-links a {
    color: var(--color-muted);
    font-size: .9rem;
    font-weight: 500;
    transition: color .2s;
}

.nav-links a.active {
    color: var(--color-primary-glow);
}

.nav-links a:hover {
    color: var(--color-text);
    text-decoration: none;
}

/* ── LAYOUT ───────────────────────────────────────────── */
.doc-layout {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 6rem 1.5rem 3rem;
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
}

.doc-main {
    min-width: 0;
}

.doc-sidebar {
    position: sticky;
    top: 5.5rem;
    align-self: start;
}

.doc-sidebar-inner {
    border-right: 1px solid var(--color-border);
    padding-right: 1.2rem;
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
}

.doc-sidebar-title {
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.doc-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .15rem;
}

.doc-nav a {
    display: block;
    color: var(--color-muted);
    font-size: .92rem;
    padding: .35rem .6rem;
    border-radius: 6px;
    transition: background .15s, color .15s;
}

.doc-nav a:hover {
    color: var(--color-text);
    background: var(--color-surface);
    text-decoration: none;
}

.doc-nav a.current {
    color: var(--color-text);
    background: rgba(124, 111, 247, .12);
    border-left: 2px solid var(--color-primary);
    padding-left: calc(.6rem - 2px);
}

/* ── ARTICLE ──────────────────────────────────────────── */
.doc-article {
    width: 100%;
    max-width: 760px;
    min-width: 0;
    color: var(--color-text);
    overflow-wrap: break-word;
}

.doc-article h1 {
    font-size: clamp(2rem, 4vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -.03em;
    margin: 0 0 1.2rem;
    overflow-wrap: anywhere;
}

.doc-article h2 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -.02em;
    margin: 2.4rem 0 .9rem;
    padding-bottom: .4rem;
    border-bottom: 1px solid var(--color-border);
    overflow-wrap: anywhere;
}

.doc-article h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 1.8rem 0 .7rem;
    color: var(--color-text);
    overflow-wrap: anywhere;
}

.doc-article h4 {
    font-size: 1rem;
    font-weight: 700;
    margin: 1.4rem 0 .5rem;
    color: var(--color-text);
}

/* ── Heading anchors (click to copy link) ─────────────── */
.doc-article .has-anchor {
    scroll-margin-top: 5.5rem;
}

.doc-article .heading-anchor {
    display: inline-block;
    margin-left: .35em;
    color: var(--color-muted);
    font-weight: 500;
    opacity: 0;
    transition: opacity .15s, color .15s, transform .15s;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
    position: relative;
}

.doc-article .has-anchor:hover .heading-anchor,
.doc-article .heading-anchor:focus {
    opacity: 1;
    color: var(--color-primary-glow);
    text-decoration: none;
}

.doc-article .heading-anchor.copied {
    opacity: 1;
    color: var(--color-success);
}

.doc-article .heading-anchor.copied::after {
    content: "Link copied";
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: .6em;
    background: var(--color-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: .15rem .55rem;
    font-size: .72rem;
    font-weight: 500;
    white-space: nowrap;
    pointer-events: none;
}

@media (max-width: 640px) {
    .doc-article .heading-anchor {
        opacity: 1;
    }
}

.doc-article p {
    color: var(--color-muted);
    font-size: 1rem;
    margin: 0 0 1.1rem;
    overflow-wrap: break-word;
}

.doc-article p.lead {
    font-size: 1.15rem;
    color: var(--color-text);
}

.doc-article strong {
    color: var(--color-text);
    font-weight: 600;
}

.doc-article a {
    color: var(--color-primary-glow);
}

.doc-article ul,
.doc-article ol {
    color: var(--color-muted);
    margin: 0 0 1.1rem 1.4rem;
    padding: 0;
}

.doc-article li {
    margin-bottom: .35rem;
    overflow-wrap: break-word;
}

.doc-article hr {
    border: 0;
    border-top: 1px solid var(--color-border);
    margin: 2.4rem 0;
}

.doc-article img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1.4rem auto;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.doc-article :not(pre)>code {
    font-family: var(--font-mono);
    font-size: .88em;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 5px;
    padding: .12em .45em;
    color: var(--color-primary-glow);
    white-space: normal;
    overflow-wrap: anywhere;
}

.doc-article h3 code,
.doc-article h4 code {
    font-size: .92em;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    color: var(--color-accent);
    padding: .25em .6em;
    border-radius: 6px;
}

/* Callouts via blockquote */
.doc-article blockquote {
    background: rgba(124, 111, 247, .08);
    border-left: 3px solid var(--color-primary);
    border-radius: 6px;
    padding: 1rem 1.2rem;
    color: var(--color-text);
    margin: 1.8rem 0;
    font-size: 1rem;
}

.doc-article blockquote p {
    color: inherit;
    margin: 0;
}

.doc-article blockquote p+p {
    margin-top: .6rem;
}

/* ── CODE BLOCKS — match website style ────────────────── */
.doc-article .code-block {
    max-width: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    margin: 1.6rem 0;
}

.doc-article .code-header {
    padding: .55rem 1rem;
    font-size: .78rem;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-mono);
}

.doc-article .code-run-button {
    margin-left: auto;
    border: 1px solid rgba(40, 200, 64, .5);
    background: rgba(40, 200, 64, .12);
    color: var(--color-text);
    border-radius: 6px;
    padding: .28rem .65rem;
    font-family: var(--font-sans);
    font-size: .74rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color .15s, background .15s, color .15s;
}

.doc-article .code-run-button:hover,
.doc-article .code-run-button:focus-visible {
    border-color: var(--color-success);
    background: rgba(40, 200, 64, .2);
    color: #fff;
    outline: none;
}

.doc-article .code-block.is-running .code-run-button {
    border-color: rgba(255, 95, 87, .55);
    background: rgba(255, 95, 87, .13);
}

.doc-article .code-block.is-running .code-run-button:hover,
.doc-article .code-block.is-running .code-run-button:focus-visible {
    border-color: var(--color-error);
    background: rgba(255, 95, 87, .22);
}

.doc-article .code-header .circle {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    opacity: .6;
}

.doc-article .code-header .code-title {
    margin-left: .5rem;
}

.doc-article .code-body {
    max-width: 100%;
    padding: 0;
    font-family: var(--font-mono);
    font-size: .85rem;
    line-height: 1.7;
    overflow-x: auto;
    color: var(--color-muted);
    text-align: left;
}

.doc-article .code-body pre {
    margin: 0;
    padding: 1.1rem 1.3rem;
    width: max-content;
    min-width: 100%;
}

.doc-article .code-body code.hljs {
    background: transparent;
    padding: 0;
}

.doc-article .code-runner {
    width: 100%;
    height: clamp(260px, 52vw, 440px);
    background: #000;
}

.doc-article .code-runner-frame {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    border: 0;
    background: #000;
}

/* ── TABLES ───────────────────────────────────────────── */
.doc-article table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    width: 100%;
    border-collapse: collapse;
    margin: 1.4rem 0;
    font-size: .95rem;
}

.doc-article th,
.doc-article td {
    text-align: left;
    padding: .6rem .8rem;
    border-bottom: 1px solid var(--color-border);
}

.doc-article th {
    color: var(--color-text);
    font-weight: 600;
}

.doc-article td {
    color: var(--color-muted);
    overflow-wrap: break-word;
}

/* ── PAGER ────────────────────────────────────────────── */
.doc-pager {
    display: flex;
    position: static;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--color-border);
}

.doc-pager a {
    display: inline-flex;
    flex-direction: column;
    padding: .8rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    min-width: 160px;
    transition: border-color .15s, color .15s;
}

.doc-pager a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-glow);
    text-decoration: none;
}

.doc-pager a small {
    color: var(--color-muted);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: .15rem;
}

.doc-pager a.next {
    margin-left: auto;
    text-align: right;
}

/* ── FOOTER ───────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--color-border);
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--color-muted);
    font-size: .85rem;
}

/* ── RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 900px) {
    .doc-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 5.5rem 1rem 2rem;
    }

    .doc-sidebar {
        position: static;
        max-height: none;
    }

    .doc-sidebar-inner {
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
        padding-right: 0;
        padding-bottom: 1rem;
        max-height: none;
    }

    .doc-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: .25rem .5rem;
    }
}

@media (max-width: 640px) {
    .nav-inner {
        padding: .7rem 1rem;
    }

    .nav-logo {
        font-size: 1.1rem;
    }

    .nav-links {
        flex: 1 1 auto;
        gap: .9rem;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
        max-width: 60%;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-links a {
        font-size: .8rem;
        white-space: nowrap;
    }

    .doc-article h1 {
        font-size: 1.8rem;
    }

    .doc-article h2 {
        font-size: 1.35rem;
    }

    .doc-article p,
    .doc-article li,
    .doc-article blockquote {
        font-size: .96rem;
    }

    .doc-article blockquote {
        padding: .85rem 1rem;
    }

    .doc-article .code-body {
        font-size: .78rem;
    }

    .doc-article .code-body pre {
        padding: .9rem 1rem;
    }

    .doc-article .code-header {
        flex-wrap: wrap;
    }

    .doc-article .code-run-button {
        flex: 0 0 auto;
    }

    .doc-article .code-runner {
        height: 300px;
    }

    .doc-pager {
        flex-direction: column;
    }

    .doc-pager a {
        width: 100%;
        min-width: 0;
    }

    .doc-pager a.next {
        margin-left: 0;
        text-align: left;
    }
}