/* PHP Business Directory user manual. Builds on the website stylesheet (site.css) and its variables. */

.manual-page { background: var(--bg-body); }

/* ---------- page head ---------- */
.mn-hero { padding: 8.25rem 0 2.25rem; background: linear-gradient(180deg, var(--bg-alt), var(--bg-body)); border-bottom: 1px solid var(--border); }
.mn-hero h1 { font-size: clamp(2rem, 4.2vw, 2.85rem); margin: .35rem 0 .9rem; max-width: 900px; }
.mn-crumbs { display: flex; flex-wrap: wrap; gap: .45rem; font-size: .88rem; color: var(--text-muted); margin-bottom: 1.1rem; }
.mn-crumbs a { color: var(--text-muted); font-weight: 500; }
.mn-crumbs a:hover { color: var(--primary); }
.mn-kicker { font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--primary); margin: 0; }
.mn-lead { font-size: 1.18rem; line-height: 1.65; max-width: 820px; color: var(--text-main); margin-bottom: 1rem; }
.mn-meta { font-size: .88rem; font-weight: 600; color: var(--text-muted); margin: 0; }
.mn-meta a { color: var(--primary); text-decoration: underline; }

/* ---------- layout ---------- */
.mn-layout { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 3.5rem; padding-top: 2.5rem; padding-bottom: 5rem; align-items: start; }
.mn-side { position: sticky; top: 100px; max-height: calc(100vh - 120px); overflow-y: auto; padding-right: .5rem; scrollbar-width: thin; }
.mn-side-box > summary { display: none; }
.mn-article { min-width: 0; max-width: 820px; }

/* ---------- sidebar contents ---------- */
.mn-toc { font-size: .9rem; }
.mn-toc-home { display: block; font-weight: 700; color: var(--text-dark); padding: .45rem .7rem; border-radius: 10px; margin-bottom: .6rem; }
.mn-toc-home:hover, .mn-toc-home.is-current { background: var(--primary-light); color: var(--primary-dark); }
.mn-toc-part { margin-bottom: 1.1rem; }
.mn-toc-title { font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); margin: 0 0 .35rem .7rem; }
.mn-toc ol, .mn-toc ul { list-style: none; margin: 0; padding: 0; }
.mn-toc ol > li > a { display: flex; gap: .55rem; padding: .32rem .7rem; border-radius: 9px; color: var(--text-main); line-height: 1.4; }
.mn-toc ol > li > a span { flex: none; width: 1.45rem; color: var(--text-muted); font-variant-numeric: tabular-nums; font-size: .82rem; padding-top: .1rem; }
.mn-toc ol > li > a:hover { background: var(--bg-alt); color: var(--primary); }
.mn-toc li.is-current > a { background: var(--primary-light); color: var(--primary-dark); font-weight: 700; }
.mn-toc li.is-current > a span { color: var(--primary); }
.mn-toc ul { margin: .3rem 0 .5rem 2.35rem; border-left: 2px solid var(--border); }
.mn-toc ul a { display: block; padding: .22rem .75rem; font-size: .84rem; color: var(--text-muted); line-height: 1.35; }
.mn-toc ul a:hover, .mn-toc ul a.is-active { color: var(--primary); }
.mn-toc ul a.is-active { font-weight: 600; box-shadow: inset 2px 0 0 var(--primary); margin-left: -2px; }

/* ---------- "in this chapter" ---------- */
.mn-onpage { background: var(--primary-lighter); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.15rem 1.4rem; margin-bottom: 2.2rem; }
.mn-onpage p { font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--primary); margin-bottom: .5rem; }
.mn-onpage ol { columns: 2; column-gap: 2rem; margin: 0; padding-left: 1.2rem; font-size: .95rem; }
.mn-onpage li { margin-bottom: .3rem; break-inside: avoid; }
.mn-onpage a { color: var(--text-dark); font-weight: 500; }
.mn-onpage a:hover { color: var(--primary); text-decoration: underline; }

/* ---------- body text ---------- */
.mn-body { font-size: 1.06rem; line-height: 1.75; color: var(--text-main); }
.mn-body > :first-child { margin-top: 0; }
.mn-body p { margin-bottom: 1.15rem; }
.mn-body h2 { font-size: 1.65rem; margin: 2.8rem 0 .9rem; scroll-margin-top: 100px; }
.mn-body h3 { font-size: 1.22rem; margin: 2rem 0 .65rem; scroll-margin-top: 100px; }
.mn-body ul, .mn-body ol { margin: 0 0 1.25rem 1.35rem; }
.mn-body li { margin-bottom: .45rem; }
.mn-body li > ul, .mn-body li > ol { margin-top: .45rem; margin-bottom: .3rem; }
.mn-body a { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.mn-body a:hover { color: var(--primary-hover); }
.mn-body strong { color: var(--text-dark); }
.mn-body code { font-size: .88em; padding: .12em .38em; background: var(--bg-alt); border: 1px solid var(--border); border-radius: 6px; color: var(--text-dark); word-break: break-word; }
.mn-body pre { background: #0f172a; color: #e2e8f0; border-radius: 12px; padding: 1rem 1.2rem; overflow-x: auto; font-size: .88rem; line-height: 1.6; margin: 0 0 1.4rem; }
.mn-body pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; }
.mn-body ol.steps { list-style: none; counter-reset: step; margin-left: 0; }
.mn-body ol.steps > li { counter-increment: step; position: relative; padding-left: 2.6rem; margin-bottom: .85rem; }
.mn-body ol.steps > li::before { content: counter(step); position: absolute; left: 0; top: .05rem; width: 1.75rem; height: 1.75rem; border-radius: 50%; background: var(--primary); color: #fff; font-size: .85rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }

.mn-body .path, .mn-inline-path { display: inline-block; font-size: .9rem; font-weight: 600; color: var(--primary-dark); background: var(--primary-light); border-radius: 8px; padding: .3rem .7rem; margin: 0 0 1.1rem; line-height: 1.5; }
.mn-inline-path { margin: 0; padding: .05rem .45rem; font-size: .92em; }

.mn-body .note, .mn-body .tip, .mn-body .warning { border-radius: 0 12px 12px 0; padding: 1rem 1.25rem; margin: 1.5rem 0; font-size: 1rem; border-left: 4px solid; }
.mn-body .note > :last-child, .mn-body .tip > :last-child, .mn-body .warning > :last-child { margin-bottom: 0; }
.mn-body .note { background: var(--primary-lighter); border-color: var(--primary); }
.mn-body .tip { background: #f0fdf4; border-color: #16a34a; }
.mn-body .warning { background: #fffbeb; border-color: #d97706; }
.mn-body .note::before, .mn-body .tip::before, .mn-body .warning::before { display: block; font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .3rem; }
.mn-body .note::before { content: "Note"; color: var(--primary); }
.mn-body .tip::before { content: "Tip"; color: #15803d; }
.mn-body .warning::before { content: "Important"; color: #b45309; }

.mn-body table { width: 100%; border-collapse: collapse; margin: 0 0 1.5rem; font-size: .95rem; line-height: 1.55; display: block; overflow-x: auto; }
.mn-body th, .mn-body td { text-align: left; vertical-align: top; padding: .65rem .85rem; border-bottom: 1px solid var(--border); }
.mn-body th { background: var(--bg-alt); color: var(--text-dark); font-weight: 700; white-space: nowrap; }
.mn-body tbody tr:hover td { background: var(--primary-lighter); }
.mn-body td:first-child { font-weight: 600; color: var(--text-dark); }

.mn-body figure.shot { margin: 1.8rem 0 2rem; }
.mn-body figure.shot a { display: block; text-decoration: none; }
.mn-body figure.shot img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-md); background: #fff; }
.mn-body figure.fig-small img { max-width: 560px; margin: 0 auto; }
.mn-body figure.fig-tall img { max-height: 900px; object-fit: cover; object-position: top; }
.mn-body figcaption { margin-top: .6rem; font-size: .9rem; text-align: center; color: var(--text-muted); line-height: 1.5; }
.mn-body figcaption span { font-weight: 700; color: var(--text-dark); margin-right: .25rem; }

/* ---------- pager and call to action ---------- */
.mn-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 3.5rem 0 2rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.mn-pager a { display: block; padding: 1rem 1.2rem; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; transition: border-color .2s, box-shadow .2s; }
.mn-pager a:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.mn-pager small { display: block; font-size: .8rem; font-weight: 600; color: var(--text-muted); margin-bottom: .2rem; }
.mn-pager span { display: block; font-weight: 700; color: var(--text-dark); line-height: 1.35; }
.mn-next { text-align: right; }

.mn-cta { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.5rem 1.7rem; background: var(--primary-lighter); border: 1px solid var(--border); border-radius: var(--radius-md); margin-top: 1rem; }
.mn-cta strong { display: block; font-size: 1.1rem; color: var(--text-dark); margin-bottom: .2rem; }
.mn-cta span { display: block; color: var(--text-main); line-height: 1.5; }
.mn-cta-actions { display: flex; gap: .7rem; flex: none; }
.mn-cta .btn { white-space: nowrap; padding: .65rem 1.3rem; }
.mn-cta .btn-primary { color: #fff; }

/* ---------- index page ---------- */
.mn-hero-index { padding-bottom: 2.75rem; }
.mn-hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.6rem 0 1.8rem; }
.mn-hero-actions .btn-primary { color: #fff; }
.mn-search { max-width: 640px; }
.mn-search label { display: block; font-size: .85rem; font-weight: 700; color: var(--text-dark); margin-bottom: .4rem; }
.mn-search input { width: 100%; font: inherit; font-size: 1.02rem; padding: .85rem 1.15rem; border: 1px solid var(--border); border-radius: var(--radius-pill); background: #fff; box-shadow: var(--shadow-sm); outline: none; }
.mn-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(1, 117, 184, .12); }
.mn-search p { margin: .7rem 0 0 .4rem; font-size: .92rem; color: var(--text-muted); }

.mn-index { padding-top: 2.75rem; padding-bottom: 5rem; }
.mn-quick { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 3.25rem; }
.mn-quick a { display: block; padding: 1.2rem 1.3rem; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s, border-color .2s; }
.mn-quick a:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.mn-quick strong { display: block; color: var(--primary); font-size: 1.05rem; margin-bottom: .2rem; }
.mn-quick span { display: block; font-size: .92rem; color: var(--text-main); line-height: 1.45; }

.mn-part, .mn-about { padding: 0; }
.mn-part { margin-bottom: 3.25rem; }
.mn-part-head { display: flex; align-items: baseline; justify-content: space-between; gap: 2rem; border-bottom: 2px solid var(--text-dark); padding-bottom: .7rem; margin-bottom: 1.25rem; }
.mn-part-head h2 { font-size: 1.7rem; margin: 0; flex: none; }
.mn-part-head p { margin: 0; color: var(--text-muted); font-size: .97rem; text-align: right; max-width: 620px; }
.mn-part-head p span { display: inline-block; font-weight: 700; color: var(--primary); margin-left: .35rem; }
.mn-chapters { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; }
.mn-chapters a { display: flex; gap: 1rem; height: 100%; padding: 1.05rem 1.2rem; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; transition: border-color .2s, box-shadow .2s; }
.mn-chapters a:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.mn-num { flex: none; width: 2.1rem; height: 2.1rem; border-radius: 50%; background: var(--primary-light); color: var(--primary-dark); font-weight: 800; font-size: .9rem; display: flex; align-items: center; justify-content: center; }
.mn-chapters strong { display: block; color: var(--text-dark); line-height: 1.35; margin-bottom: .25rem; }
.mn-chapters small { display: block; color: var(--text-muted); font-size: .88rem; line-height: 1.5; }
.mn-about { max-width: 820px; margin: 1rem 0 2.5rem; font-size: 1.04rem; line-height: 1.75; }
.mn-about h2 { font-size: 1.5rem; margin-bottom: .8rem; }
.mn-about a { color: var(--primary); font-weight: 600; text-decoration: underline; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
    .mn-layout { grid-template-columns: 250px minmax(0, 1fr); gap: 2.5rem; }
    .mn-quick { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 950px) {
    .mn-hero { padding-top: 7rem; }
    .mn-layout { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; padding-top: 1.5rem; }
    .mn-side { position: static; max-height: none; overflow: visible; padding: 0; }
    .mn-side-box { border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; }
    .mn-side-box > summary { display: flex; align-items: center; justify-content: space-between; cursor: pointer; list-style: none; padding: .9rem 1.15rem; font-weight: 700; color: var(--text-dark); }
    .mn-side-box > summary::-webkit-details-marker { display: none; }
    .mn-side-box > summary::after { content: "+"; font-size: 1.3rem; font-weight: 500; color: var(--primary); }
    .mn-side-box[open] > summary::after { content: "\2212"; }
    .mn-side-box[open] .mn-toc { padding: 0 .6rem .8rem; }
    .mn-chapters { grid-template-columns: minmax(0, 1fr); }
    .mn-part-head { flex-direction: column; gap: .35rem; }
    .mn-part-head p { text-align: left; }
}
@media (max-width: 640px) {
    .mn-onpage ol { columns: 1; }
    .mn-pager { grid-template-columns: minmax(0, 1fr); }
    .mn-cta { flex-direction: column; align-items: flex-start; }
    .mn-cta-actions { flex-wrap: wrap; }
    .mn-quick { grid-template-columns: minmax(0, 1fr); }
    .mn-body { font-size: 1.02rem; }
    .mn-body h2 { font-size: 1.4rem; }
    .mn-body figure.shot { margin-left: -.25rem; margin-right: -.25rem; }
}