/* Manual SESI – Search trigger (light bg override) */
.app-page-header .hub-search-trigger {
    background: var(--ds-surface);
    border: 1px solid var(--ds-line);
    color: var(--ds-muted);
}

.app-page-header .hub-search-trigger:hover {
    background: var(--ds-surface-alt);
    border-color: var(--ds-gray-400);
    color: var(--ds-slate);
}

.app-page-header .hub-search-trigger i {
    color: var(--ds-muted);
}

.app-page-header .hub-search-kbd {
    background: var(--ds-white);
    border: 1px solid var(--ds-line);
    color: var(--ds-muted);
}

/* Manual SESI – Layout */
.manual-sidebar-sticky {
    position: sticky;
    top: calc(var(--ds-nav-height) + 2rem);
    height: calc(100vh - var(--ds-nav-height) - 3rem);
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.manual-sidebar-card {
    border: 1px solid var(--ds-line);
    border-radius: var(--ds-radius);
    background: var(--ds-white);
    padding: 1rem;
}

.manual-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    max-height: calc(100vh - var(--ds-nav-height) - 12rem);
}

.manual-sidebar-link {
    display: block;
    padding: .5rem .75rem;
    border-radius: var(--ds-radius-sm);
    font-size: .85rem;
    font-family: var(--ds-font-body);
    text-decoration: none;
    color: var(--ds-muted);
    border-left: 2px solid transparent;
    transition: all .15s;
}

.manual-sidebar-link:hover {
    color: var(--ds-slate);
    background: var(--ds-surface);
}

.manual-sidebar-link.active {
    border-left-color: var(--ds-primary);
    background: rgba(var(--ds-primary-rgb), .04);
    color: var(--ds-primary);
    font-weight: 600;
}

/* Sections */
.guide-section {
    padding: 2.5rem 0 3rem;
    scroll-margin-top: calc(var(--ds-nav-height) + 2rem);
    border-bottom: 1px solid var(--ds-line);
}

.guide-section:last-child {
    border-bottom: none;
}

.section-label {
    font-family: var(--ds-font-display);
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .2em;
    color: var(--ds-primary);
    font-weight: 700;
    margin-bottom: .5rem;
}

.section-title {
    font-family: var(--ds-font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ds-dark);
    letter-spacing: -.01em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
}

.section-intro {
    color: var(--ds-muted);
    font-size: .95rem;
    line-height: 1.65;
    max-width: 48rem;
}

.section-divider {
    width: 3rem;
    height: 2px;
    background: var(--ds-primary);
    margin-top: 1rem;
}

/* Blocks */
.block-spacing > * + * {
    margin-top: 1rem;
}

.block-prose {
    font-size: .95rem;
    line-height: 1.7;
    color: var(--ds-slate);
}

.block-heading-h3 {
    font-family: var(--ds-font-display);
    font-size: 1.1rem;
    font-weight: 700;
    border-left: 2px solid var(--ds-primary);
    padding-left: .75rem;
    margin-top: 1.5rem;
    color: var(--ds-dark);
}

.block-heading-h4 {
    font-family: var(--ds-font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-top: .75rem;
    color: var(--ds-dark);
}

.block-list {
    padding-left: 1.5rem;
    font-size: .95rem;
    line-height: 1.65;
    color: var(--ds-slate);
}

.block-list li {
    margin-bottom: .375rem;
}

.block-list li::marker {
    color: var(--ds-primary);
    opacity: .7;
}

/* Rule block */
.rule-block {
    padding: 1rem 1.25rem;
    border-radius: var(--ds-radius);
    border: 1px solid var(--ds-line);
    background: var(--ds-white);
}

.rule-block-hover:hover {
    border-color: rgba(var(--ds-primary-rgb), .25);
}

.rule-title {
    font-family: var(--ds-font-display);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .15em;
    font-weight: 700;
    color: var(--ds-primary);
    margin-bottom: .375rem;
}

.rule-text {
    font-size: .95rem;
    line-height: 1.65;
    color: var(--ds-slate);
}

/* Example block */
.block-example {
    border-left: 4px solid var(--ds-success);
    background: rgba(15, 138, 95, .04);
}

.example-label {
    font-family: var(--ds-font-display);
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .18em;
    font-weight: 700;
    color: var(--ds-success);
}

.example-item {
    font-size: .95rem;
    white-space: pre-line;
    line-height: 1.65;
    color: var(--ds-slate);
}

.example-check {
    color: var(--ds-success);
    opacity: .7;
    margin-right: .5rem;
}


/* Important block */
.block-important {
    border-left: 4px solid var(--ds-primary);
    background: rgba(var(--ds-primary-rgb), .04);
}

.badge-important {
    font-family: var(--ds-font-display);
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .15em;
    background: var(--ds-primary);
    color: var(--ds-white);
    padding: .2rem .5rem;
    border-radius: var(--ds-radius-sm);
    flex-shrink: 0;
}

/* Obs block */
.block-obs {
    border-left: 4px solid var(--ds-warning);
    background: rgba(255, 193, 7, .04);
}

.badge-obs {
    font-family: var(--ds-font-display);
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .15em;
    background: rgba(255, 193, 7, .15);
    color: var(--ds-dark);
    padding: .2rem .5rem;
    border-radius: var(--ds-radius-sm);
    flex-shrink: 0;
}

/* Quote */
.block-quote {
    border-left: 2px solid var(--ds-primary);
    padding-left: 1.25rem;
    padding-top: .25rem;
    padding-bottom: .25rem;
    font-style: italic;
    font-size: .95rem;
    line-height: 1.65;
    color: var(--ds-slate);
}

.block-quote footer {
    margin-top: .5rem;
    font-style: normal;
    font-size: .8rem;
    color: var(--ds-muted);
}

/* Table */
.block-table {
    border-radius: var(--ds-radius);
    overflow: hidden;
    border: 1px solid var(--ds-line);
}

.block-table table {
    font-size: .875rem;
    margin-bottom: 0;
}

.block-table thead {
    background: var(--ds-surface);
}

.block-table thead th {
    font-family: var(--ds-font-display);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-weight: 700;
    color: var(--ds-muted);
    padding: .625rem 1rem;
    border-bottom-width: 1px;
}

.block-table tbody td {
    padding: .625rem 1rem;
    vertical-align: top;
    color: var(--ds-slate);
}

.block-table tbody tr:hover {
    background: var(--ds-surface);
}

/* Pair */
.block-pair {
    display: grid;
    grid-template-columns: 1fr;
    gap: .5rem;
    padding: .75rem 0;
    border-bottom: 1px dashed var(--ds-line);
}

.block-pair:last-child {
    border-bottom: none;
}

@media (min-width: 768px) {
    .block-pair {
        grid-template-columns: 180px 1fr;
        gap: 1rem;
    }
}

.pair-label {
    font-size: .875rem;
    font-weight: 600;
    color: var(--ds-primary);
}

.pair-value {
    font-size: .95rem;
    line-height: 1.65;
    color: var(--ds-slate);
}

/* Text formatting */
.text-formatted strong {
    font-weight: 600;
    color: var(--ds-dark);
}

.text-formatted u {
    text-decoration-color: var(--ds-primary);
    text-underline-offset: 4px;
    text-decoration-thickness: from-font;
}

.text-formatted mark {
    background: rgba(255, 193, 7, .2);
    padding: .05em .2em;
    border-radius: 2px;
}

.text-formatted .acronym {
    font-weight: 600;
    color: var(--ds-primary);
}

/* Back to top */
.manual-back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 2.75rem;
    height: 2.75rem;
    z-index: 1050;
    opacity: 0;
    transform: translateY(1rem);
    pointer-events: none;
    transition: opacity .3s, transform .3s;
    background: var(--ds-primary) !important;
    border: none;
    color: var(--ds-white);
    box-shadow: 0 4px 16px rgba(var(--ds-primary-rgb), .3) !important;
}

.manual-back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Mobile sidebar */
@media (max-width: 991.98px) {
    .manual-mobile-nav {
        overflow-x: auto;
        white-space: nowrap;
        padding: .75rem 0;
        border-bottom: 1px solid var(--ds-line);
        margin-bottom: 1rem;
    }

    .manual-mobile-nav .manual-sidebar-link {
        display: inline-block;
        border-left: none;
        border-bottom: 2px solid transparent;
        border-radius: 0;
        padding: .5rem .75rem;
        font-size: .8rem;
    }

    .manual-mobile-nav .manual-sidebar-link.active {
        border-bottom-color: var(--ds-primary);
        background: transparent;
    }
}

@media print {
    .manual-sidebar-sticky,
    .manual-back-to-top,
    .manual-mobile-nav,
    #hub-navbar {
        display: none !important;
    }

    .guide-section {
        page-break-inside: avoid;
    }
}