/* =====================================================
   Help section layout — layers on top of publish-prototype.css
   ===================================================== */

/* ---- Topbar: logo as link ---- */

.topbar__home-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: opacity 140ms ease;
}

.topbar__home-link:hover {
    opacity: 0.75;
}

/* ---- Mobile nav toggle (hamburger) ---- */

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.32rem;
    height: 2.32rem;
    border: 0;
    border-radius: 999px;
    padding: 0;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: background-color 140ms ease, color 140ms ease;
    flex-shrink: 0;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
    background: var(--bg-hover);
    color: var(--text);
    outline: none;
}

.nav-toggle__icon {
    width: 1rem;
    height: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
    flex-shrink: 0;
}

/* ---- Inline CTA button (used in doc pages) ---- */

.cta-button--inline {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    padding: 0.55rem 1.15rem;
    background: var(--accent);
    color: var(--bg) !important;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    margin-bottom: 0.25rem;
    transition: opacity 140ms ease;
}

.cta-button--inline:hover {
    opacity: 0.75;
}

/* ---- Support guide cards ---- */

.guide-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
    margin: 1rem 0 1.35rem;
}

.guide-card {
    display: block;
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    text-decoration: none !important;
    transition: border-color 140ms ease, transform 140ms ease;
}

.guide-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

.guide-card__title {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text);
    font-weight: 620;
}

.guide-card__body {
    display: block;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.45;
}

/* ---- Help workspace layout ---- */

.workspace--help {
    display: flex;
    align-items: flex-start;
    padding: 0;
    max-width: 100%;
    width: 100%;
    margin: 0;
}

.workspace--help .document-stage {
    flex: 1;
    min-width: 0;
    padding: 2.5rem 3rem 4rem;
}

/* ---- Left nav panel ---- */

.nav-panel {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 55px;
    height: calc(100vh - 55px);
    height: calc(100dvh - 55px);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 2.5rem 1.25rem 2.5rem 1.5rem;
    border-right: 1px solid var(--border);
    scrollbar-width: none;
}

.nav-panel::-webkit-scrollbar {
    display: none;
}

.nav-section {
    margin-bottom: 0.25rem;
}

.nav-section + .nav-section {
    margin-top: 1.75rem;
}

.nav-section__label {
    display: block;
    padding: 0 0.6rem 0.4rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-faint);
    user-select: none;
}

.nav-item {
    display: block;
    padding: 0.42rem 0.6rem;
    border-radius: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.4;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background-color 140ms ease, color 140ms ease;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text);
}

.nav-item.is-active {
    background: var(--accent-soft);
    color: var(--text);
    font-weight: 500;
}

/* ---- Theme toggle inside nav panel (mobile only) ---- */

.nav-section--theme {
    display: none;
}

.theme-toggle--nav {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

/* ---- Mobile nav overlay ---- */

.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 38;
    background: var(--bg);
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
}

/* ---- Inline right TOC (desktop) ---- */

@media (min-width: 1280px) {
    .workspace--help .outline-panel {
        /* Override fixed floating → inline sticky right column */
        position: sticky;
        top: 55px;
        right: auto;
        align-self: flex-start;
        max-height: calc(100vh - 55px);
        max-height: calc(100dvh - 55px);
        height: calc(100vh - 55px);
        height: calc(100dvh - 55px);
        width: 280px;
        flex-shrink: 0;
        /* Always visible — bypass the JS open/close state */
        opacity: 1 !important;
        pointer-events: auto !important;
        transform: none !important;
        transition: none;
        z-index: auto;
        /* No chrome — just floating text */
        border: none;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        padding: 2.5rem 1.25rem 2.5rem 1.5rem;
        overflow-y: auto;
        overflow-x: hidden;
        scrollbar-width: none;
    }

    .workspace--help .outline-panel::-webkit-scrollbar {
        display: none;
    }

    .workspace--help .outline-panel__header {
        padding: 0 0 0.75rem;
        border-bottom: none;
        margin-bottom: 0.25rem;
    }

    .workspace--help .outline-panel__eyebrow {
        font-size: 0.7rem;
        font-weight: 600;
        letter-spacing: 0.07em;
        text-transform: uppercase;
        color: var(--text-faint);
    }

    /* TOC links: no background hover, just color change */
    .workspace--help .outline-link {
        border-radius: 0;
        padding: 0.28rem 0;
        font-size: 0.85rem;
        background: transparent !important;
        color: var(--text-faint);
    }

    .workspace--help .outline-link:hover {
        color: var(--text);
        background: transparent !important;
    }

    .workspace--help .outline-link.is-active {
        color: var(--text);
        background: transparent !important;
        font-weight: 500;
    }

    .workspace--help .outline-link[data-level="3"] {
        padding-left: 0.85rem;
    }

    .workspace--help .outline-link[data-level="4"] {
        padding-left: 1.5rem;
    }
}

/* Hide TOC on narrow screens — no toggle available on help pages */
@media (max-width: 1279px) {
    .workspace--help .outline-panel {
        display: none;
    }
}

/* ---- Responsive: mobile ---- */

@media (max-width: 1023px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav-overlay {
        display: block;
    }

    /* Hide theme toggle from topbar; show it inside nav panel */
    .topbar .control-group {
        display: none;
    }

    /* Reset desktop panel-alignment offsets — base 1.25rem topbar padding matches content */
    .topbar__brand {
        padding-left: 0;
    }

    .topbar__actions {
        padding-right: 0;
    }

    .nav-section--theme {
        display: block;
    }

    .page-shell[data-nav-open="true"] .nav-overlay {
        opacity: 0.65;
        pointer-events: auto;
    }

    .workspace--help {
        display: block;
    }

    .workspace--help .document-stage {
        padding: 1.25rem 0 3rem;
    }

    /* Let document-body own the horizontal inset, matching topbar (1.25rem) */
    .workspace--help .document-body {
        width: 100%;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .nav-panel {
        position: fixed;
        top: 0;
        right: 0;
        left: auto;
        bottom: 0;
        width: 300px;
        height: 100%;
        height: 100dvh;
        max-height: none;
        z-index: 40;
        background: var(--bg);
        border-left: 1px solid var(--border-strong);
        border-right: none;
        padding: calc(1.75rem + env(safe-area-inset-top, 0px)) 1.25rem 2.5rem;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transform: translateX(100%);
        transition: transform 200ms ease;
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.14);
    }

    .page-shell[data-nav-open="true"] .nav-panel {
        transform: translateX(0);
    }
}

@media (max-width: 640px) {
    .topbar {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .workspace--help .document-stage {
        padding: 1rem 0 2.5rem;
    }

    .nav-panel {
        width: min(320px, calc(100vw - 3rem));
    }

    .guide-card-grid {
        grid-template-columns: 1fr;
    }
}