/**
 * Pepper TOC (In This Article) - Frontend Styles
 * Based faithfully on the WordPress.com Support TOC design with full color customization
 */

:root {
    --pepper-toc-brand-blue: #0675c4;
    --pepper-toc-text-gray: #646970;
    --pepper-toc-heading-color: #101517;
    --pepper-toc-border-color: #dcdcde;
    --pepper-toc-bg: #ffffff;
    --pepper-toc-top-offset: 32px;
}

/* Base TOC Container */
.a8c-table-of-contents.pepper-toc {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    color: var(--pepper-toc-heading-color);
}

.a8c-table-of-contents.pepper-toc * {
    box-sizing: border-box;
}

/* Heading title */
.a8c-table-of-contents.pepper-toc .pepper-toc-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-top: 0;
    margin-bottom: 8px;
    padding-left: 16px;
    color: var(--pepper-toc-heading-color);
}

/* Navigation lists */
.a8c-table-of-contents.pepper-toc .pepper-toc-nav {
    overflow-y: auto;
}

.a8c-table-of-contents.pepper-toc .toc-parent-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.a8c-table-of-contents.pepper-toc .toc-parent-list li {
    line-height: 1.45;
    padding-left: 16px;
    margin: 0;
    position: relative;
}

.a8c-table-of-contents.pepper-toc .toc-parent-list li a.toc-link {
    color: var(--pepper-toc-text-gray);
    font-size: 0.875rem;
    font-weight: 400;
    text-decoration: none !important;
    display: inline-block;
    margin-block: 6px;
    position: relative;
    transition: color 0.15s ease-in-out;
}

.a8c-table-of-contents.pepper-toc .toc-parent-list li a.toc-link:hover,
.a8c-table-of-contents.pepper-toc .toc-parent-list li a.toc-link:focus-visible {
    color: var(--pepper-toc-brand-blue);
}

/* Active heading spy & Highlight Color */
.a8c-table-of-contents.pepper-toc .toc-parent-list li a.toc-link.active {
    color: var(--pepper-toc-brand-blue) !important;
    font-weight: 600;
}

.a8c-table-of-contents.pepper-toc .toc-parent-list li a.toc-link.active::before {
    content: "•";
    color: var(--pepper-toc-brand-blue) !important;
    font-size: 16px;
    line-height: 1;
    left: -13px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

/* Child lists (subheadings) */
.a8c-table-of-contents.pepper-toc .toc-parent-list .toc-child-list {
    list-style: none !important;
    margin: 0 !important;
    padding-left: 14px !important;
}

.a8c-table-of-contents.pepper-toc .toc-parent-list .toc-child-list li {
    padding-left: 0 !important;
    line-height: 1.4;
}

.a8c-table-of-contents.pepper-toc .toc-parent-list .toc-child-list li a.toc-link {
    font-size: 0.8125rem;
    margin-block: 4px;
}

/* After TOC (Help section & Back to top) */
.a8c-table-of-contents.pepper-toc .after-toc {
    margin-left: 16px;
    margin-top: 16px;
}

.a8c-table-of-contents.pepper-toc .after-toc .contact-support {
    border-top: 1px solid var(--pepper-toc-border-color);
    border-bottom: 1px solid var(--pepper-toc-border-color);
    margin: 20px 0;
    padding: 18px 0;
}

.a8c-table-of-contents.pepper-toc .after-toc .list-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 8px 0;
    padding: 0;
    color: var(--pepper-toc-heading-color);
}

.a8c-table-of-contents.pepper-toc .after-toc a.wpsupport3-guide-ask-ai {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--pepper-toc-text-gray);
    text-decoration: none !important;
    font-size: 0.875rem;
    line-height: 1.5;
    transition: color 0.15s ease-in-out;
}

.a8c-table-of-contents.pepper-toc .after-toc a.wpsupport3-guide-ask-ai:hover {
    color: var(--pepper-toc-brand-blue);
}

.a8c-table-of-contents.pepper-toc .after-toc a.wpsupport3-guide-ask-ai svg {
    flex-shrink: 0;
    fill: currentColor;
}

.a8c-table-of-contents.pepper-toc .back-to-top {
    margin-top: 18px;
}

.a8c-table-of-contents.pepper-toc .back-to-top a.pepper-toc-back-to-top-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--pepper-toc-text-gray);
    font-size: 0.8125rem;
    text-decoration: none !important;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    transition: color 0.15s ease-in-out;
}

.a8c-table-of-contents.pepper-toc .back-to-top a.pepper-toc-back-to-top-link:hover {
    color: var(--pepper-toc-brand-blue);
}

.a8c-table-of-contents.pepper-toc .back-to-top svg {
    flex-shrink: 0;
    stroke: none;
    fill: currentColor;
}

/* Default / Toggle button for mobile */
.a8c-table-of-contents.pepper-toc .pepper-toc-toggle {
    display: none;
}

/* ==========================================================================
   Desktop Responsive Styles (min-width: 782px)
   ========================================================================== */
@media (min-width: 782px) {
    .a8c-table-of-contents.pepper-toc {
        width: 100%;
        max-width: 312px;
        animation: pepperTocAppear 0.2s ease-in-out forwards;
    }

    .a8c-table-of-contents.pepper-toc.is-sticky {
        position: sticky;
        top: var(--pepper-toc-top-offset, 32px);
        max-height: calc(100vh - var(--pepper-toc-top-offset, 32px) - 24px);
        overflow-y: auto;
    }

    /* Hide mobile chevron button on desktop */
    .a8c-table-of-contents.pepper-toc .pepper-toc-toggle {
        display: none !important;
    }

    @keyframes pepperTocAppear {
        from {
            opacity: 0;
            transform: translateY(4px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* ==========================================================================
   Mobile Accordion Styles (max-width: 782px)
   ========================================================================== */
@media (max-width: 782px) {
    .a8c-table-of-contents.pepper-toc {
        display: block !important;
        position: relative;
        left: 0;
        width: 100%;
        max-width: 100%;
        margin: 24px 0;
        background-color: var(--pepper-toc-bg);
        border-radius: 6px;
        border: 1px solid var(--pepper-toc-border-color);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
        max-height: 52px;
        overflow: hidden;
        transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 0;
    }

    /* Clickable Header Area on Mobile */
    .a8c-table-of-contents.pepper-toc .pepper-toc-title {
        cursor: pointer;
        font-size: 1rem;
        font-weight: 500;
        margin: 0;
        padding: 15px 44px 15px 16px;
        pointer-events: auto;
        user-select: none;
        display: flex;
        align-items: center;
        height: 52px;
        color: var(--pepper-toc-heading-color);
    }

    /* Toggle Button */
    .a8c-table-of-contents.pepper-toc .pepper-toc-toggle {
        display: inline-flex !important;
        position: absolute;
        right: 8px;
        top: 8px;
        width: 36px;
        height: 36px;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        color: var(--pepper-toc-text-gray);
        border-radius: 4px;
    }

    .a8c-table-of-contents.pepper-toc .pepper-toc-toggle svg {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* Collapsible Body Items */
    .a8c-table-of-contents.pepper-toc .pepper-toc-nav {
        opacity: 0;
        padding: 0 16px 16px 16px;
        max-height: 70vh;
        overflow-y: auto;
        transition: opacity 0.25s linear 0.05s;
    }

    .a8c-table-of-contents.pepper-toc .after-toc {
        display: none;
    }

    /* Expanded Accordion State */
    .a8c-table-of-contents.pepper-toc.toggled {
        max-height: 80vh;
        overflow-y: auto;
    }

    .a8c-table-of-contents.pepper-toc.toggled .pepper-toc-toggle svg {
        transform: rotate(180deg);
    }

    .a8c-table-of-contents.pepper-toc.toggled .pepper-toc-nav {
        opacity: 1;
    }

    .a8c-table-of-contents.pepper-toc .toc-parent-list li {
        padding-left: 0 !important;
    }

    .a8c-table-of-contents.pepper-toc .toc-parent-list .toc-child-list {
        padding-left: 16px !important;
    }
}

/* ==========================================================================
   Template Helper: Reverse Columns on Mobile
   Desktop: Left = Content, Right = TOC
   Mobile (< 782px): Top = TOC, Bottom = Content
   ========================================================================== */
@media (max-width: 782px) {
    .wp-block-columns.pepper-columns-reverse-mobile,
    .wp-block-columns.pepper-toc-layout {
        display: flex !important;
        flex-direction: column-reverse !important;
    }

    .wp-block-columns.pepper-columns-reverse-mobile > .wp-block-column,
    .wp-block-columns.pepper-toc-layout > .wp-block-column {
        flex-basis: 100% !important;
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}

/* Print styling */
@media print {
    .a8c-table-of-contents.pepper-toc {
        display: none !important;
    }
}