/* === Publications Page === */

.pub-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.pub-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pub-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.2rem;
    font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: var(--shadow);
    user-select: none;
}

.pub-filter-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.pub-filter-btn.active {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 4px 14px rgba(46, 80, 144, 0.35);
}

.pub-search-wrap {
    margin-left: auto;
    position: relative;
}

.pub-search-wrap input {
    font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
    font-size: 0.88rem;
    padding: 0.55rem 0.9rem 0.55rem 2.2rem;
    border: 2px solid var(--border);
    border-radius: 50px;
    background: var(--bg-card);
    color: var(--text-primary);
    width: 220px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.pub-search-wrap input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(46, 80, 144, 0.12);
}

.pub-search-wrap::before {
    content: "\1F50D";
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    opacity: 0.45;
    pointer-events: none;
}

.pub-summary {
    width: 100%;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Year headers */
.pub-year-header {
    font-family: 'Crimson Text', Georgia, serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--navy);
    margin: 2rem 0 0.75rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--bg-subtle);
}

.pub-year-header:first-child {
    margin-top: 0.5rem;
}

/* Publication cards */
.pub-card {
    padding: 1.1rem 1.35rem;
    margin-bottom: 0.65rem;
    background: var(--bg-subtle);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
    transition: box-shadow 0.2s ease, transform 0.15s ease;
}

.pub-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.pub-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
}

.pub-badge {
    font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 0.2rem 0.65rem;
    border-radius: 50px;
    color: #fff;
}

.latex-math {
    font-style: italic;
    white-space: nowrap;
}

.pub-badge-journal { background: var(--accent); }
.pub-badge-conference { background: #5a7d3a; }
.pub-badge-book { background: #8b5e3c; }
.pub-badge-other { background: var(--text-light); }

.pub-year {
    font-size: 0.82rem;
    color: var(--text-light);
    font-weight: 500;
}

.pub-title {
    font-family: 'Crimson Text', Georgia, serif;
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 0.3rem;
    color: var(--navy);
}

.pub-title a {
    color: var(--navy);
    text-decoration: none;
    transition: color 0.2s;
}

.pub-title a:hover {
    color: var(--accent);
}

.pub-under-review {
    display: inline-block;
    font-family: 'Source Sans 3', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    background: #e8b339;
    color: #fff;
    padding: 0.12rem 0.5rem;
    border-radius: 50px;
    vertical-align: middle;
    margin-left: 0.4rem;
}

.pub-authors {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin: 0 0 0.2rem;
    line-height: 1.5;
}

.pub-venue {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0 0 0.5rem;
    line-height: 1.45;
}

/* Action buttons */
.pub-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.pub-action-btn {
    font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    line-height: 1.4;
}

.pub-action-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: #f0f4fb;
}

.pub-btn-abstract { border-color: var(--accent); color: var(--accent); }
.pub-btn-bibtex { border-color: #5a7d3a; color: #5a7d3a; }
.pub-btn-doi { border-color: #8b5e3c; color: #8b5e3c; }
.pub-btn-link { border-color: var(--text-light); color: var(--text-light); }

.pub-btn-abstract:hover { background: #eef2fa; }
.pub-btn-bibtex:hover { background: #f0f5ec; color: #5a7d3a; border-color: #5a7d3a; }
.pub-btn-doi:hover { background: #f7f1ec; color: #8b5e3c; border-color: #8b5e3c; }
.pub-btn-link:hover { background: #f5f5f5; color: var(--text-light); border-color: var(--text-light); }

/* === Modal === */
.pub-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.25s ease;
    padding: 1.5rem;
}

.pub-modal-overlay.visible {
    opacity: 1;
}

.pub-modal {
    background: var(--bg-card);
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    transform: translateY(12px);
    transition: transform 0.25s ease;
}

.pub-modal-overlay.visible .pub-modal {
    transform: translateY(0);
}

.pub-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.pub-modal-header h3 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--navy);
}

.pub-modal-close {
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0 0.3rem;
    line-height: 1;
    transition: color 0.2s;
}

.pub-modal-close:hover {
    color: var(--text-primary);
}

.pub-modal-body {
    padding: 1.25rem 1.5rem;
    overflow-y: auto;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal-pub-title {
    font-family: 'Crimson Text', Georgia, serif;
    font-weight: 600;
    font-size: 1rem;
    color: var(--navy);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-bibtex {
    font-family: 'SFMono-Regular', 'Consolas', 'Liberation Mono', 'Menlo', monospace;
    font-size: 0.8rem;
    background: var(--bg-subtle);
    padding: 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.55;
    margin: 0 0 0.75rem;
    color: var(--text-primary);
}

.pub-copy-btn {
    font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 1.1rem;
    border: 2px solid var(--accent);
    border-radius: 50px;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    transition: all 0.2s;
}

.pub-copy-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* === Responsive === */
@media (max-width: 768px) {
    .pub-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .pub-search-wrap {
        margin-left: 0;
    }

    .pub-search-wrap input {
        width: 100%;
    }

    .pub-card {
        padding: 0.9rem 1rem;
    }
}

@media (max-width: 480px) {
    .pub-filters {
        flex-direction: column;
    }

    .pub-filter-btn {
        justify-content: center;
    }

    .pub-modal {
        max-height: 90vh;
    }
}