/* ==========================================================================
   1. VARIABLES & RESET
   ========================================================================== */
:root {
    --bg-color: #fcfbf9;
    --text-color: #0f140f;
    --accent: #163316;
    --line-color: #e0e0e0;

    --font-serif: 'Libre Caslon Text', Georgia, serif;
    --font-sans: 'Cabin', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(rgba(0, 0, 0, 0.08) 1px, transparent 1px);
    background-size: 24px 24px;
    color: var(--text-color);
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.8;

    margin: 0;
    padding: 0;
}

a {
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}
a:visited { color: var(--text-color); }
a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-sans); }

img { max-width: 100%; height: auto; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}


/* ==========================================================================
   2. HEADER
   ========================================================================== */
.site-header {
    padding-top: 28px;
    padding-bottom: 0;
    background-color: var(--bg-color);
    position: relative;
    z-index: 10;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding-bottom: 26px;
    border-bottom: 1px solid var(--line-color);
    position: relative;
}

.branding { flex: 1; }

.site-title {
    font-family: var(--font-sans);
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.5px;
    text-transform: uppercase;
    color: var(--accent);
    line-height: 1;
}
.site-title a:hover { border-bottom-color: transparent; }

.site-description {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.5px;
    color: #888;
    margin-top: 4px;
    line-height: 1;
}

.main-navigation ul {
    list-style: none; margin: 0; padding: 0; display: flex; gap: 28px;
}
.main-navigation a {
    font-family: var(--font-sans); font-size: 0.72rem; text-transform: uppercase;
    letter-spacing: 1.2px; font-weight: 500; color: #777;
}
.main-navigation a:hover { border-bottom-color: transparent; color: var(--accent); }

/* Nav sub-menu dropdown */
.main-navigation .menu-item-has-children {
    position: relative;
    padding-bottom: 10px; /* extends hover zone down to bridge the gap to sub-menu */
}
.main-navigation .sub-menu {
    position: absolute;
    top: 100%; /* flush with bottom of padded <li>, no gap */
    left: 50%;
    transform: translateX(-50%);
    min-width: 160px;
    background: var(--bg-color);
    border: 1px solid var(--line-color);
    padding: 6px 0;
    list-style: none;
    margin: 0;
    display: flex;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.28s ease, opacity 0.18s ease;
    z-index: 500;
    box-shadow: 0 8px 20px rgba(0,0,0,0.07);
}
.main-navigation .menu-item-has-children:hover .sub-menu {
    max-height: 400px;
    opacity: 1;
    pointer-events: auto;
}
.main-navigation .sub-menu li {
    padding: 0;
    border-bottom: none;
}
.main-navigation .sub-menu a {
    display: block;
    padding: 7px 20px;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.1px;
    font-weight: 500;
    color: #777;
    white-space: nowrap;
    transition: color 0.15s;
}
.main-navigation .sub-menu a:hover { color: var(--accent); }

[data-theme="dark"] .main-navigation .sub-menu {
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

/* Search toggle icon */
.search-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.45;
    padding: 4px;
    display: flex;
    align-items: center;
    margin-left: 16px;
    transition: opacity 0.2s;
}
.search-toggle:hover { opacity: 1; }

/* Search overlay — fills the header-inner, fades in on .search-open */
.header-search-wrap {
    position: absolute;
    inset: 0;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 2px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
    z-index: 5;
}
.site-header.search-open .header-search-wrap {
    opacity: 1;
    pointer-events: auto;
}

.search-wrap-icon {
    flex-shrink: 0;
    opacity: 0.35;
    color: var(--text-color);
}

.header-search-form {
    flex: 1;
    border-bottom: 1px solid var(--line-color);
    transition: border-color 0.2s;
}
.header-search-form:focus-within { border-bottom-color: var(--accent); }

.header-search-form input[type="search"] {
    width: 100%;
    background: none;
    border: none;
    outline: none;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-color);
    padding: 6px 0;
    letter-spacing: 0.01em;
}
.header-search-form input[type="search"]::placeholder {
    color: var(--text-color);
    opacity: 0.3;
    font-style: italic;
}

/* Hide the native clear button that browsers add to search inputs */
.header-search-form input[type="search"]::-webkit-search-cancel-button { display: none; }

.search-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.3rem;
    line-height: 1;
    color: var(--text-color);
    opacity: 0.3;
    padding: 4px;
    transition: opacity 0.2s;
    flex-shrink: 0;
}
.search-close:hover { opacity: 0.8; }

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: #aaa;
    padding: 5px 8px;
    margin-left: 20px;
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.2s;
}
.theme-toggle:hover { color: var(--accent); }

/* Language switcher — globe + code collapsed, dropdown on hover */
.lang-switcher {
    position: relative;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-left: 12px;
}
.lang-trigger {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.8px;
    color: var(--text-color);
    opacity: 0.4;
    cursor: default;
    padding: 5px 6px;
    line-height: 1;
    user-select: none;
    transition: opacity 0.2s;
}
.lang-switcher:hover .lang-trigger { opacity: 1; }
.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 110px;
    background: var(--bg-color);
    border: 1px solid var(--line-color);
    border-radius: 4px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.22s ease, opacity 0.18s ease;
    z-index: 200;
    padding-top: 0;
}
.lang-switcher:hover .lang-dropdown {
    max-height: 200px;
    opacity: 1;
    pointer-events: auto;
}
.lang-option {
    display: block;
    padding: 9px 14px;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-color);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.12s;
    border-bottom: none !important;
}
.lang-option:first-child { margin-top: 6px; }
.lang-option:last-child  { margin-bottom: 4px; }
.lang-option:hover { background: var(--line-color); }
.lang-option.lang-active { font-weight: 600; opacity: 0.45; pointer-events: none; cursor: default; }
[data-theme="dark"] .lang-dropdown { box-shadow: 0 6px 18px rgba(0,0,0,0.35); }

/* Language availability notice */
.lang-notice {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-style: italic;
    color: var(--text-color);
    opacity: 0.38;
    margin: 0 0 2rem;
    padding: 0;
    letter-spacing: 0.01em;
}

/* Keyboard focus indicators (accessibility) */
a:focus-visible,
button:focus-visible,
.tool-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}


/* ==========================================================================
   3. ARTICLE LAYOUT
   ========================================================================== */
.single-container { max-width: 1200px; padding-top: 50px; }

.article-grid {
    display: grid;
    grid-template-columns: 260px 1fr; /* 260px sidebar | fluid content column */
    column-gap: 60px;
    row-gap: 10px;
    align-items: start;
    background-color: var(--bg-color);
}

.main-header {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 20px;
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line-color);
}
.main-title {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    line-height: 1.2;
    margin: 0;
    color: var(--text-color);
}

.text-content {
    grid-column: 2;
    grid-row: 2;
    font-size: 1.15rem;
    text-align: justify;
    hyphens: auto;
    margin-top: 10px;
}

/* Links within body text: subtle underline in resting state */
.text-content a,
.page-content a {
    border-bottom-color: rgba(15, 20, 15, 0.28);
}
.text-content a:hover,
.page-content a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.single-thumbnail img {
    width: 100%; border-radius: 2px; margin-bottom: 30px;
}

blockquote {
    border-left: 3px solid var(--accent);
    margin: 30px 0; padding-left: 20px;
    font-style: italic; color: #444;
}

.article-sidebar {
    grid-column: 1;
    grid-row: 2;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: #555;
    position: sticky;
    top: 30px;
    margin-top: 10px;
    padding-top: 16px;
    padding-left: 12px;
    min-width: 0;           /* prevent grid cell from expanding beyond 260px */
    overflow-wrap: break-word; /* break long URLs/DOIs in references */
}

.sidebar-block {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line-color);
}
.sidebar-block:last-child { border-bottom: none; }

.meta-group { margin-bottom: 15px; }
.meta-label {
    display: block;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 1px;
    font-weight: 600;
    color: #444;
    margin-bottom: 4px;
}
.author-name, .meta-value {
    font-size: 0.9rem; font-weight: 500; color: var(--text-color);
}

/* Sidebar tool buttons */
.sidebar-tools {
    display: flex; flex-direction: column; gap: 10px;
}

.tool-btn {
    display: flex; align-items: center; justify-content: flex-start;
    width: 100%;
    background-color: var(--bg-color);
    border: 1px solid var(--line-color);
    padding: 12px 15px;
    font-family: var(--font-sans); font-size: 0.75rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.5px; color: #555;
    cursor: pointer; border-radius: 0;
    transition: all 0.3s ease;
}

.btn-icon {
    font-size: 1.1rem; margin-right: 12px;
    line-height: 1; color: var(--accent);
    transition: color 0.3s ease;
}

.tool-btn:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.tool-btn:hover .btn-icon { color: #fff; }

/* <a> elements styled as tool buttons (e.g. EPUB download link) */
a.tool-btn { box-sizing: border-box; color: #555; }
a.tool-btn:hover { color: #fff; }
[data-theme="dark"] a.tool-btn { color: #9a9890; }

/* References sidebar block */
.biblio-title {
    font-size: 0.85rem; text-transform: uppercase;
    color: var(--accent); margin-top: 0; margin-bottom: 15px;
}
.biblio-item {
    font-family: var(--font-serif); font-size: 0.8rem;
    margin-bottom: 10px; line-height: 1.4;
}


/* ==========================================================================
   4. PAGE (Static pages — no sidebar)
   ========================================================================== */

.page-container {
    padding-top: 50px;
    padding-bottom: 80px;
    background-color: var(--bg-color); /* mask dot pattern across full container */
}
.page-inner {
    max-width: 640px;
    margin: 0 auto;
    background-color: var(--bg-color);
}
.page-header {
    text-align: center;
    margin-bottom: 48px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line-color);
}
.page-title {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.2;
    margin: 0;
    color: var(--text-color);
}
.page-content {
    font-size: 1.1rem;
    line-height: 1.85;
    text-align: left; /* avoid justification rivers at this column width */
}
/* Subheadings in serif — consistent with academic body text */
.page-content h2 { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700; margin: 2.4rem 0 0.8rem; }
.page-content h3 { font-family: var(--font-serif); font-size: 1.1rem;  font-weight: 700; margin: 2rem 0 0.6rem; }
.page-content h4 { font-family: var(--font-serif); font-size: 1rem;    font-weight: 700; margin: 1.6rem 0 0.5rem; }
.page-content ul,
.page-content ol  { padding-left: 1.6rem; margin: 1rem 0; }
.page-content li  { margin-bottom: 0.4rem; }

@media screen and (max-width: 1000px) {
    .page-container { padding-top: 30px; padding-bottom: 50px; }
    .page-title     { font-size: 1.8rem; }
}


/* ==========================================================================
   5. BLOG HOME — multi-category view
   ========================================================================== */

.blog-home-container {
    max-width: 720px;
    margin: 0 auto;
    padding-top: 50px;
    padding-bottom: 80px;
    background-color: var(--bg-color);
}

.blog-home-header {
    text-align: center;
    margin-bottom: 48px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line-color);
}

/* Each category block */
.blog-cat-section {
    padding: 32px 0;
    border-bottom: 1px solid var(--line-color);
}
.blog-cat-section:last-child { border-bottom: none; }

.blog-cat-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 16px;
}

.blog-cat-name {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin: 0;
}

.blog-cat-all,
.blog-cat-all:visited {
    font-family: var(--font-sans);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
    text-decoration: none;
    border-bottom: none;
    opacity: 0.7;
    transition: opacity 0.15s, color 0.15s;
}
.blog-cat-all:hover { color: var(--accent); opacity: 1; border-bottom: none; }

.blog-cat-desc {
    font-size: 0.875rem;
    color: var(--muted);
    font-style: italic;
    margin: -8px 0 16px;
    line-height: 1.5;
}

/* Post rows — TOC-style with dotted leader */
.blog-cat-posts { display: flex; flex-direction: column; }

.blog-cat-entry {
    display: flex;
    align-items: baseline;
    gap: 6px;
    padding: 9px 0;
    border-bottom: 1px solid var(--line-color);
}
.blog-cat-entry:last-child { border-bottom: none; }

.blog-entry-title,
.blog-entry-title:visited {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: none;
    line-height: 1.35;
    flex: 0 1 auto;
    transition: color 0.15s;
}
.blog-entry-title:hover { color: var(--accent); border-bottom: none; }

/* Dotted leader between title and year */
.blog-entry-leader {
    flex: 1;
    border-bottom: 1px dotted var(--line-color);
    margin-bottom: 4px;
    min-width: 24px;
}

.blog-entry-date {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    color: var(--muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.blog-empty { color: var(--muted); font-style: italic; }

@media (max-width: 600px) {
    .blog-home-container { padding-top: 32px; }
    .blog-entry-leader   { display: none; }
    .blog-cat-entry      { flex-wrap: wrap; gap: 2px; }
    .blog-entry-date     { flex-basis: 100%; font-size: 0.68rem; }
}

/* ==========================================================================
   5b. HOME — ARTICLE GRID (category archive / index fallback)
   ========================================================================== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px; margin-top: 50px; margin-bottom: 60px;
}

.post-thumbnail img {
    width: 100%; height: 220px; object-fit: cover;
    filter: grayscale(100%); transition: filter 0.3s; border-radius: 2px;
}
.card:hover .post-thumbnail img { filter: none; }

.entry-title {
    font-family: var(--font-sans); font-weight: 600; font-size: 1.3rem;
    margin-top: 15px; line-height: 1.3;
}
.entry-title a:hover { color: var(--accent); border-bottom-color: transparent; }
.read-more {
    font-family: var(--font-sans); font-size: 0.8rem; font-weight: 500;
    text-transform: uppercase; color: var(--accent); border-bottom: 1px solid var(--line-color);
}
.read-more:hover { border-color: var(--accent); }


/* ==========================================================================
   6. RESPONSIVE (≤ 1000px)
   ========================================================================== */
.menu-toggle { display: none; }

@media screen and (max-width: 1000px) {
    .container { padding: 0 20px; }
    
    .header-inner { flex-direction: column; align-items: flex-start; position: relative; }
    .theme-toggle { position: absolute; top: 0; right: 0; margin: 0; }
    .lang-switcher { position: absolute; top: 4px; right: 36px; margin: 0; }
    .lang-dropdown { right: auto; left: 0; }
    .branding { margin-bottom: 15px; width: 100%; text-align: center; }
    .site-title { font-size: 1.35rem; }
    
    .menu-toggle {
        display: block; width: 100%;
        background: var(--bg-color); border: 1px solid var(--line-color);
        padding: 10px; font-family: var(--font-sans);
        margin-bottom: 15px; cursor: pointer;
    }
    .main-navigation { display: none; width: 100%; }
    .main-navigation.toggled { display: block !important; }
    .main-navigation ul { flex-direction: column; text-align: center; gap: 0; }
    .main-navigation li { border-bottom: 1px solid #eee; padding: 10px 0; }

    /* Sub-menu: flat inline list on mobile, no absolute positioning */
    .main-navigation .sub-menu {
        position: static;
        transform: none;
        max-height: none;
        opacity: 1;
        pointer-events: auto;
        overflow: visible;
        border: none;
        box-shadow: none;
        padding: 0;
        background: transparent;
    }
    .main-navigation .sub-menu li { border-bottom: none; padding: 4px 0; }
    .main-navigation .sub-menu a  { padding: 4px 0; font-size: 0.65rem; opacity: 0.75; }

    /* Article layout — single column */
    .article-grid {
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .main-header {
        border-bottom: none;
        margin-bottom: 10px;
        text-align: center;
    }
    .main-title { font-size: 1.8rem; }

    /* Sidebar: reset sticky positioning; preserves the <aside> landmark in the accessibility tree */
    .article-sidebar { display: block; position: static; }
    .article-sidebar::before,
    .article-sidebar::after { display: none; }

    .sidebar-meta {
        background: #fff;
        border-bottom: 1px solid #eee; border-top: 1px solid #eee;
        padding: 15px 0; margin-bottom: 20px;
        display: flex; flex-direction: column; gap: 5px;
    }

    /* Metadata: inline label–value pairs */
    .meta-group {
        display: flex; align-items: baseline; gap: 15px; margin-bottom: 5px;
    }
    .meta-label {
        margin-bottom: 0;
        min-width: 100px;
        text-align: left; color: #888;
    }

    .text-content { margin-bottom: 40px; margin-top: 0; text-align: left; hyphens: none; }

    .sidebar-tools {
        display: flex; gap: 10px; border: none; padding: 0; margin-bottom: 30px;
    }
    .tool-btn { width: auto; flex: 1; text-align: center; justify-content: center; }

    .sidebar-biblio {
        border-top: 2px solid var(--line-color);
        padding-top: 30px; margin-top: 20px;
    }
}


/* ==========================================================================
   7. FOOTER & MODALS
   ========================================================================== */
.site-footer { padding: 100px 0 40px; background-color: var(--bg-color); }
.footer-inner { border-top: 1px solid var(--line-color); padding-top: 30px; text-align: center; font-family: var(--font-sans); font-size: 0.8rem; color: #888; }

.modal { display: none; position: fixed; z-index: 9999; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.6); backdrop-filter: blur(2px); }
.modal-content { background-color: var(--bg-color); margin: 10% auto; padding: 30px; border: 1px solid #ccc; width: 90%; max-width: 600px; border-radius: 4px; font-family: var(--font-sans); position: relative; box-shadow: 0 10px 25px rgba(0,0,0,0.2); }
.close-modal { color: #aaa; float: right; font-size: 28px; font-weight: bold; cursor: pointer; }
.citation-tabs { display: flex; gap: 10px; border-bottom: 1px solid var(--line-color); margin-bottom: 15px; }
.tab-btn { background: transparent; border: none; padding: 10px 15px; cursor: pointer; font-family: var(--font-sans); font-weight: 600; color: #666; border-bottom: 3px solid transparent; }
.tab-btn.active { color: var(--text-color); border-bottom-color: var(--accent); }
.tab-content { display: none; padding: 10px 0; }
.citation-text { background: #f4f4f4; padding: 15px; border-left: 4px solid var(--accent); font-family: var(--font-serif); margin-bottom: 10px; color: #333; }
.citation-code { background: #f4f4f4; padding: 15px; font-family: monospace; white-space: pre-wrap; color: #333; }
.copy-btn { background: #eee; border: none; padding: 5px 10px; cursor: pointer; font-family: var(--font-sans); text-transform: uppercase; }

/* ==========================================================================
   8. DECORATIONS
   ========================================================================== */

/* Corner bracket decorations — cards and article sidebar */
.card { position: relative; padding: 14px; background-color: var(--bg-color); }

.card::before,
.card::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 26px;
    pointer-events: none;
}
.card::before {
    top: -6px; left: -6px;
    border-top: 1px solid var(--accent);
    border-left: 1px solid var(--accent);
}
.card::after {
    bottom: -6px; right: -6px;
    border-bottom: 1px solid var(--accent);
    border-right: 1px solid var(--accent);
}

.article-sidebar::before,
.article-sidebar::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 26px;
    pointer-events: none;
}
.article-sidebar::before {
    top: -6px; left: -6px;
    border-top: 1px solid var(--accent);
    border-left: 1px solid var(--accent);
}
.article-sidebar::after {
    bottom: -6px; right: -6px;
    border-bottom: 1px solid var(--accent);
    border-right: 1px solid var(--accent);
}

/* Paragraph counter: appears on hover in the left gutter */
.text-content          { counter-reset: paragraph; }
.text-content > p      { counter-increment: paragraph; position: relative; }
.text-content > p::before {
    content: counter(paragraph);
    position: absolute;
    left: -36px;
    top: 4px;
    font-family: var(--font-sans);
    font-size: 0.65rem;
    color: var(--accent);
    opacity: 0;
    transition: opacity 0.2s ease;
    user-select: none;
    pointer-events: none;
    line-height: 1;
}
.text-content > p:hover::before { opacity: 1; }

/* Typographic end mark */
.text-content::after {
    content: '✦';
    display: block;
    text-align: center;
    margin-top: 50px;
    color: var(--accent);
    font-size: 0.85rem;
}


/* ==========================================================================
   9. ARCHIVE / SEARCH / 404
   ========================================================================== */

/* Shared archive and search page header */
.archive-header,
.search-header {
    padding: 50px 0 40px;
    border-bottom: 1px solid var(--line-color);
    margin-bottom: 0;
}

.archive-type {
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin: 0 0 8px;
}

.archive-title {
    font-family: var(--font-sans);
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 12px;
}

.archive-description {
    font-size: 0.92rem;
    color: #777;
    max-width: 560px;
    margin-top: 10px;
    line-height: 1.7;
}

/* Search form — used on search.php and 404.php */
.search-form {
    display: flex;
    gap: 0;
    margin-top: 24px;
    max-width: 480px;
}

.search-form .search-field {
    flex: 1;
    padding: 10px 14px;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--line-color);
    border-right: none;
    border-radius: 0;
    outline: none;
    transition: border-color 0.2s;
}

.search-form .search-field:focus { border-color: var(--accent); }

.search-form .search-submit {
    padding: 10px 18px;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    cursor: pointer;
    border-radius: 0;
    transition: opacity 0.2s;
}

.search-form .search-submit:hover { opacity: 0.85; }

.search-no-results { margin-top: 40px; }

/* 404 error page */
.error-404 {
    text-align: center;
    padding: 80px 0 60px;
    max-width: 480px;
    margin: 0 auto;
}

.error-code {
    display: block;
    font-family: var(--font-sans);
    font-size: 5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    letter-spacing: -4px;
    margin-bottom: 16px;
    opacity: 0.35;
}

.error-title {
    font-family: var(--font-sans);
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0 0 12px;
}

.error-message {
    font-size: 0.92rem;
    color: #777;
    line-height: 1.7;
    margin-bottom: 28px;
}

.error-404 .search-form { margin: 0 auto 28px; }

.error-home-link {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
}


/* ==========================================================================
   10. DARK MODE
   ========================================================================== */

[data-theme="dark"] {
    --bg-color:   #1b1d19;
    --text-color: #e3dfd4;
    --accent:     #7faa7f;
    --line-color: #2e322d;
}

/* Dot pattern: flip to white dots at low opacity */
[data-theme="dark"] body {
    background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

/* Muted / secondary text */
[data-theme="dark"] .site-description,
[data-theme="dark"] .main-navigation a,
[data-theme="dark"] .article-sidebar,
[data-theme="dark"] .tool-btn              { color: #9a9890; }
[data-theme="dark"] .main-navigation a:hover { color: var(--accent); }

[data-theme="dark"] .meta-label       { color: #6e6c65; }
[data-theme="dark"] .footer-inner     { color: #5e5c56; }
[data-theme="dark"] blockquote        { color: #a8a49a; }
[data-theme="dark"] .tab-btn          { color: #9a9890; }
[data-theme="dark"] .tab-btn.active   { color: var(--text-color); }

/* Modal & citation boxes */
[data-theme="dark"] .modal-content    { border-color: var(--line-color); }
[data-theme="dark"] .citation-text,
[data-theme="dark"] .citation-code    { background: #242620; color: #c4c0b4; }
[data-theme="dark"] .copy-btn         { background: #2e322d; color: #c4c0b4; }

[data-theme="dark"] .sidebar-meta     { background: transparent; border-color: var(--line-color); }
[data-theme="dark"] .main-navigation li { border-color: var(--line-color); }
[data-theme="dark"] .selection-quote  { color: #a8a49a; }
[data-theme="dark"] .selection-cite-btn { background: rgba(27, 29, 25, 0.95); }

[data-theme="dark"] .text-content a,
[data-theme="dark"] .page-content a { border-bottom-color: rgba(227, 223, 212, 0.25); }


/* ==========================================================================
   10. FOCUS MODE
   ========================================================================== */

.focus-float-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 500;
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(252, 251, 249, 0.8);
    backdrop-filter: blur(6px);
    border: 1px solid var(--line-color);
    padding: 10px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-color);
    opacity: 0.4;
    transition: opacity 0.25s ease, padding 0.25s ease, gap 0.25s ease;
}
[data-theme="dark"] .focus-float-btn { background: rgba(27, 29, 25, 0.8); }
.focus-float-btn:hover               { opacity: 1; padding: 10px 14px; gap: 9px; }
.focus-float-btn .btn-label {
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    transition: max-width 0.25s ease;
}
.focus-float-btn:hover .btn-label    { max-width: 160px; }
body.focus-mode .focus-float-btn     { opacity: 0.65; }

/* Hide navigation and tool UI in reading mode */
body.focus-mode .site-header,
body.focus-mode .site-footer,
body.focus-mode .sidebar-tools,
body.focus-mode .sidebar-biblio      { display: none !important; }
body.focus-mode .article-sidebar::before,
body.focus-mode .article-sidebar::after { display: none; }

/* Constrained reading column */
body.focus-mode .single-container    { max-width: 720px; margin: 60px auto 0; }

/* Reflow to single column: title → body → metadata */
body.focus-mode .article-grid        { display: flex; flex-direction: column; }
body.focus-mode .main-header         { order: 1; }
body.focus-mode .text-content        { order: 2; }
body.focus-mode .article-sidebar {
    order: 3;
    position: static;
    padding: 24px 0 0;
    margin-top: 40px;
    border-top: 1px solid var(--line-color);
}
body.focus-mode .sidebar-block       { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

/* Metadata: horizontal strip below content */
body.focus-mode .sidebar-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0 40px;
    background: transparent;
    border: none;
    padding: 0;
    margin-bottom: 20px;
}
body.focus-mode .sidebar-meta .meta-group { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
body.focus-mode .sidebar-meta .meta-label { margin-bottom: 0; }


/* ==========================================================================
   11. SELECTION CITATION
   ========================================================================== */

.selection-cite-btn {
    position: fixed;
    z-index: 600;
    background: rgba(252, 251, 249, 0.95);
    backdrop-filter: blur(6px);
    border: 1px solid var(--line-color);
    padding: 6px 12px;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-color);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
}
.selection-cite-btn.visible { opacity: 1; pointer-events: auto; }
.selection-cite-btn .cite-star { color: var(--accent); font-size: 0.75rem; }

.sel-quote-wrap {
    margin: 0 0 20px;
}
.selection-quote {
    font-family: var(--font-serif);
    font-style: italic;
    border-left: 3px solid var(--accent);
    padding: 10px 15px;
    margin: 0;
    color: #444;
    font-size: 0.95rem;
    line-height: 1.6;
}


/* ==========================================================================
   12. SIDENOTES
   ========================================================================== */

/* Inline reference marker */
.note-ref {
    font-family: var(--font-sans);
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--accent);
    vertical-align: super;
    line-height: 0;
    cursor: default;
    padding: 0 2px;
    user-select: none;
    transition: opacity 0.2s;
}

/* Desktop: sidenotes float in the existing right gutter — no text-width reduction */
.has-sidenotes .text-content {
    position: relative;
}

.sidenotes-container {
    position: absolute;
    top: 0;
    left: 100%;
    margin-left: 30px;
    width: 220px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Reveal after JS has positioned the notes */
.notes-ready .sidenotes-container {
    opacity: 1;
}

.sidenote {
    position: absolute;
    width: 100%;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    line-height: 1.6;
    color: #777;
    padding-left: 12px;
    border-left: 1px solid var(--accent);
    opacity: 0.7;
    transition: opacity 0.2s;
}
.sidenote:hover { opacity: 1; }

.sidenote-number {
    display: block;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
    font-family: var(--font-sans);
    line-height: 1;
}

/* Popover mode (narrow viewport / zoomed): JS adds this class when there is not enough
   room to display the sidenote column; note-refs become tappable instead. */
.notes-popover-mode .sidenotes-container { display: none !important; }
.notes-popover-mode .note-ref {
    cursor: pointer;
    text-decoration: underline dotted var(--accent);
    text-underline-offset: 2px;
}

/* Mobile popover */
.sidenote-popover {
    display: none;
    position: fixed;
    z-index: 800;
    max-width: 280px;
    background: var(--bg-color);
    border: 1px solid var(--line-color);
    border-left: 2px solid var(--accent);
    border-radius: 4px;
    padding: 12px 14px;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-color);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.sidenote-popover.visible { display: block; }
.sidenote-popover-number {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: 5px;
}
.sidenote-popover-close {
    float: right;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    color: #aaa;
    margin-left: 8px;
}

/* Dark mode */
[data-theme="dark"] .sidenote { color: #9a9890; }
[data-theme="dark"] .sidenote-popover { box-shadow: 0 8px 24px rgba(0,0,0,0.4); }


/* Hidden on screen, shown in print */
#print-header { display: none; }

@media print {

    /* Page geometry */
    @page {
        size: A4;
        margin: 2.5cm 3.2cm 3cm 3.2cm;
        /* Note: Firefox's built-in print headers/footers (URL, date, page numbers)
           live in the browser's UI layer and cannot be suppressed via CSS.
           Users can disable them in Firefox → Print → More settings →
           uncheck "Print headers and footers". */
    }

    /* Global reset */
    *, *::before, *::after { box-shadow: none !important; text-shadow: none !important; }

    body {
        background: white !important;
        background-image: none !important;
        color: #111 !important;
        font-family: 'Libre Caslon Text', Georgia, serif !important;
        font-size: 10.5pt !important;
        line-height: 1.65 !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* Running site name */
    #print-header {
        display: block !important;
        text-align: center;
        font-family: 'Cabin', sans-serif;
        font-size: 7.5pt;
        text-transform: uppercase;
        letter-spacing: 1.5pt;
        color: #888;
        padding-bottom: 10pt;
        border-bottom: 0.4pt solid #bbb;
        margin-bottom: 20pt;
    }

    /* Hide interactive elements */
    .site-header, .site-footer, .modal, #wpadminbar,
    .menu-toggle, .theme-toggle, .pagination, .comments-area,
    .read-more, .focus-float-btn, .selection-cite-btn,
    #citation-modal, #selection-cite-modal,
    #btn-epub, .sidebar-tools,
    .search-toggle, .header-search-wrap { display: none !important; }

    /* Layout */
    .container, .single-container, article {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        display: block !important;
    }

    .article-grid {
        display: block !important;
        background: none !important;
    }

    /* Article title */
    .main-header {
        text-align: left;
        border: none !important;
        margin: 0 0 4pt !important;
        padding: 0 !important;
        page-break-after: avoid;
    }
    h1.entry-title {
        font-size: 21pt !important;
        line-height: 1.25 !important;
        color: #000 !important;
        border: none !important;
    }

    /* Article metadata */
    .article-sidebar {
        display: block !important;
        position: static !important;
        width: 100% !important;
        border: none !important;
        padding: 8pt 0 10pt !important;
        margin: 0 0 20pt !important;
        border-bottom: 0.4pt solid #bbb !important;
    }
    .sidebar-block { background: none !important; border: none !important; padding: 0 !important; margin: 0 !important; }
    .sidebar-meta {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: wrap !important;
        gap: 0 28pt !important;
        padding: 0 !important;
    }
    .meta-group { break-inside: avoid; }
    .meta-label {
        font-family: 'Cabin', sans-serif !important;
        font-size: 6.5pt !important;
        text-transform: uppercase !important;
        letter-spacing: 0.5pt !important;
        color: #888 !important;
        display: block !important;
    }
    .meta-label::after { content: none !important; }
    .author-name, .meta-value {
        font-family: 'Cabin', sans-serif !important;
        font-size: 9pt !important;
        color: #111 !important;
        font-weight: normal !important;
        display: block !important;
    }

    /* Body text */
    .entry-content, .text-content {
        width: 100% !important;
        max-width: none !important;
        padding: 0 !important;
        text-align: justify !important;
        hyphens: auto !important;
    }
    .text-content p,
    .text-content li,
    .text-content blockquote { font-size: 10.5pt !important; }
    .text-content h2 { font-size: 12pt !important; }
    .text-content h3 { font-size: 11pt !important; }
    .text-content h4 { font-size: 10.5pt !important; }
    .text-content > p { orphans: 3; widows: 3; }
    h2, h3, h4 { page-break-after: avoid; }
    img { page-break-inside: avoid; max-width: 100% !important; }
    a { color: #000 !important; text-decoration: none !important; }

    /* Paragraph counters: always visible */
    .text-content > p { position: relative; }
    .text-content > p::before {
        opacity: 1 !important;
        color: #aaa !important;
    }

    /* Typographic end mark */
    .text-content::after { display: block !important; }

    /* References: relocated after body text by beforeprint handler */
    .sidebar-biblio {
        display: block !important;
        margin-top: 30pt !important;
        padding-top: 14pt !important;
        border-top: 0.4pt solid #bbb !important;
    }
    .biblio-title {
        font-family: 'Cabin', sans-serif !important;
        font-size: 7.5pt !important;
        text-transform: uppercase !important;
        letter-spacing: 0.5pt !important;
        color: #888 !important;
        margin-bottom: 8pt !important;
    }
    .biblio-list { font-size: 9.5pt !important; line-height: 1.6 !important; }
    .bib-author, .bib-year, .bib-title { font-size: 9.5pt !important; }

    /* Remove decorative pseudo-elements */
    .card::before, .card::after,
    .article-sidebar::before, .article-sidebar::after { display: none !important; }

    /* Sidenotes: render as endnotes between body text and references */
    .note-ref { color: #000 !important; cursor: default !important; }
    .sidenotes-container {
        position: static !important;
        left: auto !important;
        margin: 28pt 0 0 !important;
        padding-top: 14pt !important;
        border-top: 0.4pt solid #bbb !important;
        opacity: 1 !important;
        width: 100% !important;
    }
    .sidenotes-container::before {
        content: "Notes";
        display: block;
        font-family: 'Cabin', sans-serif;
        font-size: 7.5pt;
        text-transform: uppercase;
        letter-spacing: 0.5pt;
        color: #888;
        margin-bottom: 8pt;
    }
    .sidenote {
        position: static !important;
        display: flex !important;
        gap: 8pt !important;
        align-items: baseline !important;
        opacity: 1 !important;
        width: auto !important;
        font-size: 9pt !important;
        line-height: 1.55 !important;
        color: #222 !important;
        padding-left: 0 !important;
        border-left: none !important;
        margin-bottom: 5pt !important;
        break-inside: avoid;
    }
    .sidenote-number {
        display: inline !important;
        flex-shrink: 0;
        min-width: 14pt;
        font-weight: bold;
        color: #555 !important;
    }
}

/* ==========================================================================
   10. PROJECT PAGE
   ========================================================================== */

.project-container,
.page-inner {
    background-color: var(--bg-color);
}

.project-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

/* Header */
.project-header {
    padding: 48px 0 36px;
    border-bottom: 1px solid var(--line-color);
    margin-bottom: 40px;
}

.project-title {
    font-family: 'Cabin', sans-serif;
    font-size: clamp(1.7rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 12px;
    color: var(--text);
    letter-spacing: -0.01em;
}

.project-tagline {
    font-size: 1.05rem;
    color: var(--muted);
    font-style: italic;
    margin: 0 0 16px;
    line-height: 1.5;
}

/* Info bar (no-content layout) */
.project-infobar {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border: 1px solid var(--border);
    margin-bottom: 0;
    padding-bottom: 40px;
    font-size: 0.875rem;
    position: relative;
}

/* Corner brackets — same pattern as .card and .article-sidebar */
.project-infobar::before,
.project-infobar::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 26px;
    pointer-events: none;
}

.project-infobar::before {
    top: -6px; left: -6px;
    border-top: 1px solid var(--accent);
    border-left: 1px solid var(--accent);
}

.project-infobar::after {
    bottom: -6px; right: -6px;
    border-bottom: 1px solid var(--accent);
    border-right: 1px solid var(--accent);
}

.infobar-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 14px 20px;
    border-right: 1px solid var(--border);
    flex: 1 1 140px;
}

.infobar-item:last-child { border-right: none; }

.infobar-links {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.infobar-links a {
    display: inline-block;
    font-size: 0.78rem;
    font-family: 'Cabin', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--accent);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.infobar-links a:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Two-column grid */
.project-grid {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 48px;
    align-items: start;
}

.project-main { min-width: 0; }

.project-about { font-size: 1rem; line-height: 1.75; color: var(--text); }

/* Sidebar */
.project-sidebar {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.project-info-block {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    font-size: 0.875rem;
}

.info-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
}

.info-row:last-child { border-bottom: none; }

.info-label {
    font-family: 'Cabin', sans-serif;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.info-value { color: var(--text); line-height: 1.4; }

.info-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 14px;
}

.info-links a {
    display: inline-block;
    font-size: 0.78rem;
    font-family: 'Cabin', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--accent);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.info-links a:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Infobar full-width divider — "Research Themes" sub-header inside the box */
.infobar-sep {
    flex: 1 1 100%;
    border-top: 1px solid var(--border);
    padding: 12px 20px 0;
    margin-top: 4px;
}

/* Sidebar "Research Themes" header row inside info-block */
.info-themes-header {
    border-top: 1px solid var(--border) !important;
    border-bottom: none !important;
    padding-top: 14px !important;
    margin-top: 4px;
}

/* Individual theme row — slightly indented to show hierarchy */
.info-theme {
    padding-left: 8px !important;
}

/* Theme item name: serif, normal weight — distinct from key info labels */
.info-theme .info-label,
.infobar-theme .info-label {
    font-family: 'Lora', serif;
    font-size: 0.875rem;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-color);
}

.info-theme .info-label::before,
.infobar-theme .info-label::before {
    content: '• ';
    color: var(--line-color);
}

/* Full-width section label */
.project-section-label {
    font-family: 'Cabin', sans-serif;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin: 0 0 16px;
}

/* Team */
.project-team {
    margin-top: 0;
    padding: 18px 0 28px;
    position: relative;
}

.project-team::before,
.project-team::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 26px;
    pointer-events: none;
}

.project-team::before {
    top: -6px; left: -6px;
    border-top: 1px solid var(--accent);
    border-left: 1px solid var(--accent);
}

.project-team::after {
    bottom: -6px; right: -6px;
    border-bottom: 1px solid var(--accent);
    border-right: 1px solid var(--accent);
}

.team-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
}

.team-member {
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.875rem;
    line-height: 1.4;
}

.member-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
    margin-bottom: 3px;
}

.member-role {
    color: var(--accent);
    font-size: 0.82rem;
    margin-bottom: 2px;
}

.member-institution {
    color: var(--muted);
    font-size: 0.8rem;
    font-style: italic;
    margin-bottom: 6px;
}

/* Member links — collapsible */
.member-links-details {
    margin-top: 10px;
}

.member-links-summary {
    font-family: 'Cabin', sans-serif;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 2px 0;
    user-select: none;
}

.member-links-summary::-webkit-details-marker { display: none; }

.member-links-summary::before {
    content: '▶';
    font-size: 0.5rem;
    display: inline-block;
    transition: transform 0.15s;
}

.member-links-details[open] .member-links-summary::before {
    transform: rotate(90deg);
}

.member-links {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 8px;
}

.member-link,
.member-link:visited {
    font-size: 0.72rem;
    font-family: 'Cabin', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 2px 8px;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.15s, border-color 0.15s;
}

.member-link:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.member-bio {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.5;
}

/* Publications label with inline source link */
.project-pub-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hal-source-link,
.hal-source-link:visited {
    font-family: 'Cabin', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 8px;
    border-radius: 3px;
    background: transparent;
    color: var(--muted);
    text-decoration: none;
    border: 1px solid var(--border);
    opacity: 0.8;
    transition: opacity 0.15s, color 0.15s;
    flex-shrink: 0;
}

.hal-source-link:hover { opacity: 1; }

/* Section divider — same pattern as .sidebar-block */
.project-sep {
    border: none;
    border-top: 1px solid var(--line-color);
    margin: 40px 0;
}

.project-publications {
    padding: 12px 0 48px;
    position: relative;
}

/* Second (manual) publications section needs top margin so corner bracket isn't flush against the hr */
.project-publications + hr.project-sep + .project-publications,
hr.project-sep + .project-publications {
    margin-top: 24px;
}

/* Corner bracket on the publications section */
.project-publications::before,
.project-publications::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 26px;
    pointer-events: none;
}

.project-publications::before {
    top: -6px; left: -6px;
    border-top: 1px solid var(--accent);
    border-left: 1px solid var(--accent);
}

.project-publications::after {
    bottom: -6px; right: -6px;
    border-bottom: 1px solid var(--accent);
    border-right: 1px solid var(--accent);
}

/* Collapsible category sections — separated by lines like .sidebar-block */
details.hal-type-section {
    margin: 0;
    border: none;
    border-bottom: 1px solid var(--line-color);
}

details.hal-type-section:last-child { border-bottom: none; }

.hal-type-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Cabin', sans-serif;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text);
    padding: 12px 0;
    cursor: pointer;
    list-style: none;
    user-select: none;
    margin: 0;
    transition: opacity 0.12s;
}

.hal-type-title::-webkit-details-marker { display: none; }

.hal-type-title::before {
    content: '▶';
    font-size: 0.55em;
    opacity: 0.35;
    transition: transform 0.15s;
    flex-shrink: 0;
}

details.hal-type-section[open] > .hal-type-title::before {
    transform: rotate(90deg);
}

.hal-type-title:hover { opacity: 0.65; }

[data-theme="dark"] .hal-type-title:hover { opacity: 0.7; }

.hal-type-count {
    font-family: 'Cabin', sans-serif;
    font-size: 0.7rem;
    background: var(--border);
    color: var(--muted);
    padding: 1px 6px;
    border-radius: 10px;
    font-weight: 400;
    letter-spacing: 0;
}

.hal-list {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0 0 8px;
}

.hal-entry {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 0 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    align-items: start;
}

.hal-entry:last-child { border-bottom: none; }

.hal-entry-year {
    font-family: 'Cabin', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
    padding-top: 2px;
    text-align: right;
    line-height: 1.6;
    flex-shrink: 0;
}

.hal-entry-body { min-width: 0; }

.hal-citation {
    font-size: 0.875rem;
    color: var(--text);
    display: block;
    margin: 0 0 5px;
    line-height: 1.55;
}

.hal-citation em { font-style: italic; }

.hal-entry-footer {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.hal-badges {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
}

.hal-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-family: 'Cabin', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 2px 7px;
    border-radius: 3px;
    text-decoration: none;
    border: 1px solid transparent;
    transition: opacity 0.15s;
}

.hal-badge:hover { opacity: 0.75; }

.hal-badge-doi,
.hal-badge-doi:visited {
    background: #f0f0f0;
    color: #444;
    border-color: #ddd;
}

.hal-badge-hal,
.hal-badge-hal:visited {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

[data-theme="dark"] .hal-badge-doi {
    background: #2a2a2a;
    color: #aaa;
    border-color: #444;
}

details.hal-abstract {
    margin-top: 8px;
    font-size: 0.84rem;
}

details.hal-abstract summary {
    cursor: pointer;
    color: var(--muted);
    font-family: 'Cabin', sans-serif;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    user-select: none;
}

details.hal-abstract summary::-webkit-details-marker { display: none; }

details.hal-abstract summary::before {
    content: '▶';
    font-size: 0.6em;
    transition: transform 0.15s;
    opacity: 0.5;
}

details.hal-abstract[open] summary::before { transform: rotate(90deg); }

details.hal-abstract p {
    margin: 8px 0 0;
    color: var(--muted);
    line-height: 1.6;
    font-size: 0.875rem;
    padding-left: 14px;
    border-left: 2px solid var(--border);
}

.hal-notice {
    color: var(--muted);
    font-style: italic;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 820px) {
    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-sidebar {
        position: static;
        order: -1;
    }

    .project-info-block { display: none; } /* meta already in header */

    .team-list {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 560px) {
    .project-container { padding: 0 16px 56px; }

    .team-list { grid-template-columns: 1fr; }

    .hal-list { padding-left: 1.2em; }
}