/* DevAPI Hub - documentation layout */

.docs-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 3.5rem;
    padding-top: 2.5rem;
    padding-bottom: 5rem;
}

/* Sidebar */
.docs-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
    align-self: start;
    max-height: calc(100vh - var(--header-height) - 3rem);
    overflow-y: auto;
}

.docs-search {
    position: relative;
    margin-bottom: 1.5rem;
}

.docs-search .dh-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8125rem;
    color: var(--dh-text-subtle);
}

.docs-search input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.125rem;
    border: 1px solid var(--dh-input-border);
    border-radius: var(--dh-radius-md);
    background: var(--dh-input-bg);
    color: var(--dh-text);
    font: inherit;
    font-size: 0.875rem;
}

.docs-search input:focus {
    outline: none;
    border-color: var(--dh-accent);
    box-shadow: 0 0 0 3px var(--dh-focus-ring);
}

.docs-toc-toggle {
    display: none;
}

.docs-nav__group + .docs-nav__group {
    margin-top: 1.5rem;
}

.docs-nav__heading {
    margin-bottom: 0.5rem;
    font-family: var(--dh-font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dh-text-subtle);
}

.docs-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.375rem 0.75rem;
    margin-left: -0.75rem;
    border-left: 2px solid transparent;
    font-size: 0.875rem;
    color: var(--dh-text-muted);
}

.docs-nav a:hover {
    color: var(--dh-text);
}

.docs-nav a.is-active {
    color: var(--dh-accent-text);
    border-left-color: var(--dh-accent);
    font-weight: 500;
}

.docs-nav__out {
    font-size: 0.625rem;
    opacity: 0.6;
}

.docs-nav li[hidden] {
    display: none;
}

/* Content */
.docs-main {
    min-width: 0;
    max-width: 780px;
}

.docs-section {
    padding-bottom: 3rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--dh-border);
    scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

.docs-section:last-of-type {
    border-bottom: none;
}

.docs-section[hidden] {
    display: none;
}

.docs-intro h1 {
    margin: 0.75rem 0 0.75rem;
    font-size: clamp(2rem, 4vw, 2.5rem);
    letter-spacing: -0.03em;
}

.docs-lead {
    font-size: 1.125rem;
    color: var(--dh-text-muted);
}

.docs-quicklinks {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 2rem;
}

.docs-quicklink {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.125rem;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius-lg);
    background: var(--dh-surface);
    transition: border-color 0.15s ease;
}

.docs-quicklink:hover {
    border-color: var(--dh-accent);
}

.docs-quicklink .dh-icon {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--dh-accent-text);
}

.docs-quicklink strong {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--dh-text);
}

.docs-quicklink span {
    font-size: 0.8125rem;
    color: var(--dh-text-muted);
}

.docs-main h2 {
    margin-bottom: 1.25rem;
    font-size: 1.75rem;
    letter-spacing: -0.025em;
}

.docs-main h3 {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin: 2rem 0 0.75rem;
    font-size: 1.1875rem;
}

.docs-main h4 {
    margin: 1.5rem 0 0.5rem;
    font-size: 0.9375rem;
    color: var(--dh-text-muted);
}

.docs-main p {
    margin-bottom: 1rem;
    line-height: 1.75;
    color: var(--dh-text-muted);
}

.docs-main p strong,
.docs-list strong {
    color: var(--dh-text);
}

.docs-main a:not(.btn):not(.docs-quicklink) {
    color: var(--dh-accent-text);
}

.docs-main a:not(.btn):not(.docs-quicklink):hover {
    text-decoration: underline;
}

.docs-main :not(pre) > code {
    padding: 0.125rem 0.375rem;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius-sm);
    background: var(--dh-surface-muted);
    font-family: var(--dh-font-mono);
    font-size: 0.8125em;
    color: var(--dh-text);
}

.docs-list {
    margin: 0 0 1.25rem;
    padding-left: 1.25rem;
    list-style: disc;
    color: var(--dh-text-muted);
    line-height: 1.75;
}

.docs-list li {
    margin-bottom: 0.25rem;
}

.docs-list li::marker {
    color: var(--dh-text-subtle);
}

.docs-code {
    margin: 1rem 0 1.5rem;
}

.docs-table {
    margin: 1rem 0 1.5rem;
}

.docs-callout {
    display: flex;
    gap: 0.75rem;
    margin: 1.5rem 0;
    padding: 1rem 1.25rem;
    border: 1px solid var(--dh-border);
    border-left: 3px solid var(--dh-accent);
    border-radius: var(--dh-radius-md);
    background: var(--dh-accent-soft);
}

.docs-callout .dh-icon {
    margin-top: 0.3rem;
    color: var(--dh-accent-text);
}

.docs-callout p {
    margin: 0;
    color: var(--dh-text);
}

.docs-issue {
    margin-bottom: 1rem;
    padding: 1.25rem 1.5rem 0.5rem;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius-lg);
    background: var(--dh-surface);
}

.docs-issue h3 {
    margin-top: 0;
    font-size: 1.0625rem;
}

.docs-reference {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.docs-reference > div {
    padding: 1rem 1.25rem;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius-lg);
    background: var(--dh-surface);
}

.docs-reference dt {
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
    color: var(--dh-text-muted);
}

.docs-reference dd {
    font-size: 0.875rem;
    color: var(--dh-text);
    word-break: break-all;
}

@media (max-width: 900px) {
    .docs-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding-top: 1.5rem;
    }

    .docs-sidebar {
        position: static;
        max-height: none;
        overflow: visible;
        padding-bottom: 1rem;
        border-bottom: 1px solid var(--dh-border);
    }

    .docs-search {
        margin-bottom: 0.75rem;
    }

    .docs-toc-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 0.625rem 0.875rem;
        border: 1px solid var(--dh-border);
        border-radius: var(--dh-radius-md);
        background: var(--dh-surface);
        color: var(--dh-text);
        font: inherit;
        font-size: 0.875rem;
        font-weight: 500;
        cursor: pointer;
    }

    .docs-toc-toggle[aria-expanded="true"] .dh-icon {
        transform: rotate(180deg);
    }

    .docs-nav {
        display: none;
        padding: 1rem 0.75rem 0;
    }

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

    .docs-quicklinks,
    .docs-reference {
        grid-template-columns: 1fr;
    }
}