/* SKS Market Help - shared stylesheet. Same tokens as ../style.css. */
:root {
    --teal: #20c997;
    --teal-dark: #17a2b8;
    --teal-soft: #d9f5ec;
    --ink: #004d40;
    --text: #2b3a3a;
    --muted: #6b7c7c;
    --bg: #f4f7f6;
    --card: #ffffff;
    --line: #dfe7e5;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    --radius: 14px;
    --nav-w: 280px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
}

a { color: var(--teal-dark); }
a:hover { color: var(--ink); }

/* ===== Header ===== */
.help-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--ink);
    border-bottom: 3px solid var(--teal);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    color: #e7f5f1;
}
.help-header .wrap {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0.55rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.help-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    white-space: nowrap;
}
.help-brand img { height: 36px; width: auto; border-radius: 5px; }
.help-brand .tag {
    background: var(--teal);
    color: var(--ink);
    font-size: 0.72rem;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.help-search {
    position: relative;
    flex: 1;
    max-width: 480px;
    margin-left: auto;
}
.help-search input {
    width: 100%;
    padding: 0.55rem 0.9rem 0.55rem 2.2rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 0.95rem;
    outline: none;
}
.help-search input::placeholder { color: rgba(255, 255, 255, 0.65); }
.help-search input:focus { background: #fff; color: var(--text); border-color: var(--teal); }
.help-search .icon {
    position: absolute;
    left: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.8;
    pointer-events: none;
    font-size: 0.95rem;
}
.help-results {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--card);
    color: var(--text);
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    max-height: 60vh;
    overflow: auto;
    display: none;
}
.help-results.open { display: block; }
.help-results a {
    display: block;
    padding: 0.55rem 0.9rem;
    text-decoration: none;
    color: var(--text);
    border-bottom: 1px solid var(--line);
}
.help-results a:last-child { border-bottom: 0; }
.help-results a:hover, .help-results a.active { background: var(--teal-soft); }
.help-results .group { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.help-results .empty { padding: 0.8rem 0.9rem; color: var(--muted); }
.help-site-link { color: #e7f5f1; text-decoration: none; font-weight: 600; font-size: 0.9rem; white-space: nowrap; }
.help-site-link:hover { color: #fff; }
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    border-radius: 8px;
    padding: 0.35rem 0.6rem;
    font-size: 1.1rem;
    cursor: pointer;
}

/* ===== Layout ===== */
.help-body {
    max-width: 1360px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: var(--nav-w) minmax(0, 1fr);
    gap: 1.5rem;
    padding: 1.2rem;
}

/* ===== Sidebar ===== */
.help-nav {
    position: sticky;
    top: 76px;
    align-self: start;
    max-height: calc(100vh - 92px);
    overflow: auto;
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--line);
    padding: 0.6rem 0;
}
.help-nav details { border-bottom: 1px solid var(--line); }
.help-nav details:last-child { border-bottom: 0; }
.help-nav summary {
    cursor: pointer;
    list-style: none;
    padding: 0.6rem 1rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.help-nav summary::-webkit-details-marker { display: none; }
.help-nav summary::after { content: '\25B8'; color: var(--muted); transition: transform 0.15s; }
.help-nav details[open] summary::after { transform: rotate(90deg); }
.help-nav ul { list-style: none; margin: 0; padding: 0 0 0.5rem; }
.help-nav li a {
    display: block;
    padding: 0.35rem 1rem 0.35rem 1.25rem;
    color: var(--text);
    text-decoration: none;
    font-size: 0.92rem;
    border-left: 3px solid transparent;
}
.help-nav li a:hover { background: var(--bg); }
.help-nav li a.current {
    border-left-color: var(--teal);
    background: var(--teal-soft);
    color: var(--ink);
    font-weight: 700;
}
.help-nav li.sub a { padding-left: 2rem; font-size: 0.86rem; color: var(--muted); }

/* ===== Content ===== */
.help-main {
    min-width: 0;
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--line);
    padding: 1.6rem 2rem 2.4rem;
}
.help-crumbs { font-size: 0.85rem; color: var(--muted); margin: 0 0 1rem; }
.help-crumbs a { color: var(--muted); text-decoration: none; }
.help-crumbs a:hover { color: var(--ink); }
.help-crumbs span { margin: 0 0.35rem; }

.help-main h1 {
    color: var(--ink);
    font-size: 2rem;
    line-height: 1.2;
    margin: 0 0 0.6rem;
}
.help-main h2 {
    color: var(--ink);
    font-size: 1.35rem;
    margin: 2.2rem 0 0.7rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--teal-soft);
}
.help-main h3 { color: var(--ink); font-size: 1.05rem; margin: 1.5rem 0 0.4rem; }
.help-main p { margin: 0.5rem 0 0.9rem; }
.help-main ul, .help-main ol { padding-left: 1.4rem; }
.help-main li { margin: 0.25rem 0; }
.lead { font-size: 1.08rem; color: #3d4c4c; }
.help-main code, .help-main kbd {
    font-family: Consolas, 'Courier New', monospace;
    font-size: 0.88em;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 0.05rem 0.35rem;
}
.path {
    display: inline-block;
    background: var(--teal-soft);
    color: var(--ink);
    border-radius: 6px;
    padding: 0.08rem 0.5rem;
    font-weight: 600;
    font-size: 0.9em;
    white-space: nowrap;
}
.help-main table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.8rem 0 1.2rem;
    font-size: 0.93rem;
}
.help-main th, .help-main td {
    text-align: left;
    padding: 0.5rem 0.7rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
.help-main th { background: var(--bg); color: var(--ink); font-weight: 700; }
.table-wrap { overflow-x: auto; }

.callout {
    border-left: 4px solid var(--teal);
    background: var(--teal-soft);
    border-radius: 0 10px 10px 0;
    padding: 0.7rem 1rem;
    margin: 1rem 0;
}
.callout.warn { border-left-color: #f39c12; background: #fff6e5; }
.callout.plan { border-left-color: #6f42c1; background: #f1ecfa; }
.callout strong:first-child { color: var(--ink); }

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.4rem 0 1rem; }
.chip {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.15rem 0.7rem;
    font-size: 0.85rem;
    color: var(--text);
    text-decoration: none;
}
.chip:hover { border-color: var(--teal); color: var(--ink); }

/* Diagrams */
.diagram {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1rem;
    margin: 0.8rem 0 1.4rem;
    overflow-x: auto;
}
.diagram pre.mermaid {
    margin: 0;
    font-family: inherit;
    display: flex;
    justify-content: center;
    min-height: 60px;
}
.diagram figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 0.4rem; text-align: center; }
.diagram .no-mermaid { color: var(--muted); font-size: 0.9rem; }

/* Cards / grids on landing */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 0.9rem;
    margin: 1rem 0 1.5rem;
}
.card {
    display: block;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.9rem 1rem;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--teal); }
.card .ico { font-size: 1.6rem; line-height: 1; margin-bottom: 0.4rem; }
.card h3 { margin: 0 0 0.25rem; font-size: 1rem; color: var(--ink); }
.card p { margin: 0; font-size: 0.86rem; color: var(--muted); }

.hero {
    background: linear-gradient(135deg, var(--ink), #00695c);
    color: #fff;
    border-radius: var(--radius);
    padding: 2rem;
    margin: -0.4rem 0 1.5rem;
}
.hero h1 { color: #fff; margin-bottom: 0.4rem; }
.hero p { color: rgba(255, 255, 255, 0.88); max-width: 720px; }

/* Related + prev/next */
.help-related { margin-top: 2.5rem; }
.help-pager {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    font-size: 0.92rem;
}
.help-pager a { text-decoration: none; max-width: 48%; }
.help-pager .lbl { display: block; font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

.help-footer { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 1.5rem 1rem 2.5rem; }
.help-footer a { color: var(--muted); }

/* ===== Responsive ===== */
@media (max-width: 960px) {
    .help-body { grid-template-columns: 1fr; padding: 0.8rem; }
    .help-nav {
        position: fixed;
        top: 62px;
        left: 0;
        bottom: 0;
        width: min(320px, 85vw);
        max-height: none;
        border-radius: 0;
        transform: translateX(-105%);
        transition: transform 0.2s ease;
        z-index: 90;
        box-shadow: var(--shadow);
    }
    .help-nav.open { transform: translateX(0); }
    .nav-toggle { display: inline-block; }
    .help-site-link { display: none; }
    .help-main { padding: 1.2rem 1rem 2rem; }
    .help-main h1 { font-size: 1.6rem; }
    .hero { padding: 1.4rem; }
}
@media (max-width: 560px) {
    .help-brand span.name { display: none; }
    .help-search { max-width: none; }
}