/* ============================================================
   publications.css  |  Carey Barry personal site
   Extends the shared Bootstrap base with page-specific styles.
   Color palette aligned with site-wide CSS variables.
   ============================================================ */

:root {
    /* ── Brand colors (shared across all pages) ── */
    --primary-font-color:   #1b323d;
    --quote-font-color:     #3d6b7a;
    --link-color:           #2e7d9a;
    --link-visited:         #7c3f7a;
    --hover-backgrnd:       #c2dfe8;
    --active-backgrnd:      #1a5c73;
    --active-font-color:    #f1faf7;
    --site-background-color:#f1faf7;

    /* ── Publications-page extras (derived from palette) ── */
    --dark-bar:             #1b323d;   /* social bar & footer  */
    --dark-bar-text:        #a8c4ce;   /* muted text on dark   */
    --dark-bar-hover:       #f1faf7;   /* bright on hover      */
    --card-border:          #ccdde3;   /* card outlines        */
    --card-bg:              #ffffff;
    --card-bg-alt:          #eaf4f7;   /* thumbnail wells      */
    --section-label-color:  #3d6b7a;
    --badge-conf-bg:        #d4edf5;
    --badge-conf-text:      #1a5c73;
    --badge-chapter-bg:     #faeeda;
    --badge-chapter-text:   #633806;
    --badge-exam-bg:        #e8e4f8;
    --badge-exam-text:      #3c3489;
    --featured-accent:      #1a5c73;   /* left border on featured card */
    --thumb-icon-color:     #7aafbf;

    /* ── Typography ── */
    --heading-font: Georgia, 'Times New Roman', serif;
    --text-font:    Lucida, serif;
}

/* ============================================================
   BASE
   ============================================================ */
body {
    background-color: var(--site-background-color);
    color: var(--primary-font-color);
    font-family: var(--text-font);
}

a:link    { color: var(--link-color); }
a:visited { color: var(--link-visited); }
a:hover   { background: var(--hover-backgrnd); }
a:active  {
    background-color: var(--active-backgrnd);
    color: var(--active-font-color);
}

h1 {
    font-family: var(--heading-font);
    color: var(--primary-font-color);
    font-weight: bold;
}

h2, h3, h4, h5, h6, p, li {
    font-family: var(--text-font);
    color: var(--primary-font-color);
}

.quotes {
    font-style: italic;
    color: var(--quote-font-color);
}

/* ============================================================
   SOCIAL BAR  (top strip)
   ============================================================ */
.social-bar {
    background-color: var(--dark-bar);
    padding: 6px 0;
}

.social-bar .nav-link {
    color: var(--dark-bar-text);
    font-family: var(--text-font);
    font-size: 0.78rem;
    padding: 0 10px;
    letter-spacing: 0.03em;
}

.social-bar .nav-link:hover {
    color: var(--dark-bar-hover);
    background: transparent;
}

.social-bar .nav-link svg {
    opacity: 0.8;
    transition: opacity 0.15s;
}

.social-bar .nav-link:hover svg {
    opacity: 1;
}

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
    background-color: var(--card-bg);
    border-bottom: 2px solid var(--card-border);
    padding: 18px 0 0 0;
}

.site-header h1 {
    font-size: 1.8rem;
    margin: 0;
    letter-spacing: -0.01em;
}

.site-header .pronouns {
    font-family: var(--text-font);
    font-size: 0.82rem;
    color: var(--quote-font-color);
    font-style: italic;
}

/* ── Horizontal nav ── */
.main-nav {
    margin-top: 14px;
}

.main-nav .nav-link {
    font-family: var(--text-font);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--quote-font-color);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 10px 22px;
    border-radius: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
}

.main-nav .nav-link:hover {
    color: var(--primary-font-color);
    background: var(--hover-backgrnd);
    border-bottom-color: var(--link-color);
}

.main-nav .nav-link.active {
    color: var(--primary-font-color);
    background: transparent;
    border-bottom-color: var(--primary-font-color);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
main {
    padding: 3rem 0 4rem;
}

.intro-text {
    font-size: 0.93rem;
    color: var(--quote-font-color);
    margin-bottom: 1rem;
}

.intro-text a {
    color: var(--link-color);
}

/* ============================================================
   SECTION LABELS
   ============================================================ */
.section-label {
    font-family: var(--text-font);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--section-label-color);
    margin-bottom: 1.2rem;
    border-top: 1px solid var(--card-border);
    padding-top: 1.4rem;
    margin-top: 2rem;
}

/* ============================================================
   FILTER BUTTONS
   ============================================================ */
.filter-label {
    font-family: var(--text-font);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--section-label-color);
    margin-right: 4px;
}

.filter-btn {
    font-family: var(--text-font);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--quote-font-color);
    padding: 5px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.15s;
}

.filter-btn:hover {
    background: var(--hover-backgrnd);
    color: var(--primary-font-color);
    border-color: var(--link-color);
}

.filter-btn.active {
    background: var(--active-backgrnd);
    color: var(--active-font-color);
    border-color: var(--active-backgrnd);
}

/* ============================================================
   FEATURED WORKS CARD
   ============================================================ */
.featured-section {
    margin-bottom: 2.5rem;
}

.featured-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-left: 4px solid var(--featured-accent);
    border-radius: 6px;
    overflow: hidden;
    transition: box-shadow 0.15s;
}

.featured-card:hover {
    box-shadow: 0 4px 18px rgba(27, 50, 61, 0.12);
}

.featured-card-inner {
    display: flex;
    align-items: stretch;
}

.featured-thumb {
    width: 200px;
    min-width: 200px;
    background: var(--card-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-right: 1px solid var(--card-border);
    flex-shrink: 0;
}

.featured-thumb-placeholder {
    width: 100%;
    height: 100%;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    color: var(--thumb-icon-color);
    font-size: 0.72rem;
    font-family: var(--text-font);
    text-align: center;
    padding: 12px;
}

.featured-thumb-placeholder i {
    font-size: 2.8rem;
}

.featured-body {
    padding: 1.6rem 1.8rem;
    flex: 1;
}

.featured-label {
    font-family: var(--text-font);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--section-label-color);
    margin-bottom: 0.5rem;
}

.featured-title {
    font-family: var(--heading-font);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.45;
    margin: 0 0 0.5rem;
    color: var(--primary-font-color);
}

.featured-authors {
    font-family: var(--text-font);
    font-size: 0.85rem;
    color: var(--quote-font-color);
    margin-bottom: 0.4rem;
}

.featured-venue {
    font-family: var(--text-font);
    font-size: 0.85rem;
    color: var(--quote-font-color);
    font-style: italic;
    margin-bottom: 0.9rem;
}

.featured-abstract {
    font-family: var(--text-font);
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--primary-font-color);
    margin-bottom: 1rem;
}

.featured-badge {
    display: inline-block;
    font-family: var(--text-font);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 3px;
    margin-bottom: 0.8rem;
    background: var(--badge-conf-bg);
    color: var(--badge-conf-text);
}

/* ============================================================
   PUBLICATION CARDS
   ============================================================ */
.pub-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: box-shadow 0.15s;
}

.pub-card:hover {
    box-shadow: 0 2px 12px rgba(27, 50, 61, 0.1);
}

.pub-card-inner {
    display: flex;
    align-items: stretch;
}

/* ── Thumbnail ── */
.pub-thumb {
    width: 120px;
    min-width: 120px;
    background: var(--card-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-right: 1px solid var(--card-border);
    flex-shrink: 0;
}

.pub-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pub-thumb-placeholder {
    width: 100%;
    height: 100%;
    min-height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    color: var(--thumb-icon-color);
    font-size: 0.65rem;
    font-family: var(--text-font);
    text-align: center;
    padding: 8px;
}

.pub-thumb-placeholder i {
    font-size: 1.8rem;
}

/* ── Card body ── */
.pub-body {
    padding: 1.2rem 1.4rem;
    flex: 1;
}

/* ── Type badges ── */
.pub-type-badge {
    display: inline-block;
    font-family: var(--text-font);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 3px;
    margin-bottom: 0.5rem;
}

.badge-journal {
    background: var(--badge-conf-bg);
    color: var(--badge-conf-text);
}

.badge-chapter {
    background: var(--badge-chapter-bg);
    color: var(--badge-chapter-text);
}

.badge-exam {
    background: var(--badge-exam-bg);
    color: var(--badge-exam-text);
}

/* ── Citation text ── */
.pub-citation {
    font-family: var(--text-font);
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--primary-font-color);
    margin: 0 0 0.6rem;
}

.pub-citation .title {
    font-weight: 600;
    color: var(--primary-font-color);
}

.pub-citation .venue {
    font-style: italic;
    color: var(--quote-font-color);
}

/* ── Card links ── */
.pub-links a {
    font-family: var(--text-font);
    font-size: 0.76rem;
    color: var(--link-color);
    text-decoration: none;
    margin-right: 14px;
    letter-spacing: 0.02em;
    background: transparent;
}

.pub-links a:hover {
    color: var(--primary-font-color);
    background: var(--hover-backgrnd);
    text-decoration: underline;
}

.pub-links a:visited {
    color: var(--link-visited);
}

.pub-links i {
    margin-right: 3px;
    font-size: 0.72rem;
}

/* ── Scholar note ── */
.scholar-note {
    font-family: var(--text-font);
    font-size: 0.82rem;
    color: var(--quote-font-color);
}

.scholar-note a {
    color: var(--link-color);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    background-color: var(--dark-bar);
    color: var(--dark-bar-text);
    font-family: var(--text-font);
    font-size: 0.8rem;
    padding: 18px 0;
    text-align: center;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
    .featured-thumb { display: none; }
}

@media (max-width: 576px) {
    .pub-thumb { display: none; }
}