:root {
    --manual-surface: #ffffff;
    --manual-surface-soft: #f8fafc;
    --manual-surface-accent: #eff6ff;
    --manual-text: #1f2937;
    --manual-text-soft: #4b5563;
    --manual-line: #e5e7eb;
    --manual-line-strong: #d1d5db;
    --manual-blue: #2563eb;
    --manual-blue-dark: #1d4ed8;
    --manual-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
    --manual-shadow-soft: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.manual-docs main {
    padding: 0 0 3rem;
}

.manual-docs code {
    padding: 0.12rem 0.35rem;
    border-radius: 0.35rem;
    background: rgba(37, 99, 235, 0.08);
    color: #1d4ed8;
    font-family: Consolas, "Cascadia Code", "Courier New", monospace;
    font-size: 0.95em;
}

.manual-docs pre {
    overflow-x: auto;
    padding: 1rem;
    border-radius: 0.85rem;
    border: 1px solid rgba(37, 99, 235, 0.14);
    background: #f8fbff;
}

.manual-docs pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.manual-docs .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.manual-docs .header-order {
    white-space: nowrap;
}

.manual-hero {
    position: relative;
    overflow: hidden;
    padding: 2.75rem 0 2.25rem;
    background: linear-gradient(135deg, #1e3a8a 0%, #dc2626 50%, #1e40af 100%);
}

.manual-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(220, 38, 38, 0.28) 0%, transparent 50%),
        radial-gradient(circle at 82% 82%, rgba(255, 255, 255, 0.18) 0%, transparent 50%);
}

.manual-hero__inner {
    position: relative;
    z-index: 1;
}

.manual-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    margin-top: 0.9rem;
    padding: 0.32rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    color: #eff6ff;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.manual-hero__title {
    margin: 0.85rem 0 0;
    color: #ffffff;
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1.06;
}

.manual-hero__summary {
    max-width: 48rem;
    margin: 0.85rem 0 0;
    color: rgba(243, 244, 246, 0.92);
    font-size: 1.05rem;
}

.manual-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.42rem;
    align-items: center;
    color: #dbeafe;
    font-size: 0.9rem;
}

.manual-breadcrumbs a {
    color: #f9fafb;
    text-decoration: none;
}

.manual-breadcrumbs__sep {
    color: rgba(255, 255, 255, 0.72);
}

.manual-section {
    position: relative;
    margin-top: -1.35rem;
    z-index: 1;
}

.manual-layout {
    display: grid;
    grid-template-columns: minmax(16rem, 19rem) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.manual-sidebar {
    align-self: start;
}

.manual-sidebar__inner,
.manual-card,
.manual-children {
    border: 1px solid var(--manual-line);
    border-radius: 1.2rem;
    background: var(--manual-surface);
    box-shadow: var(--manual-shadow);
}

.manual-sidebar__inner {
    position: sticky;
    top: 5.25rem;
    padding: 1rem;
}

.manual-nav-home {
    margin-bottom: 0.85rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--manual-line);
}

.manual-nav-group + .manual-nav-group {
    margin-top: 1rem;
}

.manual-nav-group h2 {
    margin: 0 0 0.5rem;
    font-size: 0.8rem;
    color: #6b7280;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.manual-nav-group ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.manual-nav-link {
    display: block;
    padding: 0.45rem 0.65rem;
    border-radius: 0.7rem;
    color: var(--manual-text);
    text-decoration: none;
}

.manual-nav-link:hover {
    background: var(--manual-surface-accent);
    color: var(--manual-blue-dark);
}

.manual-nav-link.is-current {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(220, 38, 38, 0.08));
    color: #1d4ed8;
    font-weight: 600;
}

.manual-page {
    min-width: 0;
}

.manual-card {
    padding: 1.45rem 1.5rem 1.8rem;
}

.manual-card h1:first-child,
.manual-card h2:first-child,
.manual-card h3:first-child {
    margin-top: 0;
}

.manual-card h1,
.manual-card h2,
.manual-card h3 {
    color: #111827;
    line-height: 1.2;
}

.manual-card h2 {
    margin-top: 1.8rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid rgba(17, 24, 39, 0.08);
}

.manual-card p,
.manual-card li {
    max-width: 72ch;
    color: var(--manual-text);
}

.manual-card ul,
.manual-card ol {
    padding-left: 1.25rem;
}

.manual-page-home .manual-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(248, 250, 252, 1));
}

.manual-children {
    margin-top: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--manual-surface-soft);
    box-shadow: var(--manual-shadow-soft);
}

.manual-children h2 {
    margin-top: 0;
    color: #111827;
}

.manual-children ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.85rem;
}

.manual-children li {
    padding: 0.95rem 1rem;
    border: 1px solid var(--manual-line);
    border-radius: 0.95rem;
    background: #ffffff;
}

.manual-children li a {
    font-weight: 700;
    text-decoration: none;
}

.manual-children li p {
    margin: 0.35rem 0 0;
    color: var(--manual-text-soft);
}

.redirect-page {
    padding: 4rem 1rem;
    text-align: center;
}

@media (max-width: 960px) {
    .manual-layout {
        grid-template-columns: 1fr;
    }

    .manual-sidebar__inner {
        position: static;
        top: auto;
    }

    .manual-section {
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    .manual-docs .header-actions {
        display: none;
    }
}

@media (max-width: 640px) {
    .manual-hero {
        padding: 2rem 0 1.65rem;
    }

    .manual-card,
    .manual-children,
    .manual-sidebar__inner {
        border-radius: 0.95rem;
    }

    .manual-card {
        padding: 1.1rem 1rem 1.35rem;
    }
}