/* IOA Reactions Widget Styles */
.reactions-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.reactions-container {
    --color-primary-dark: #2E3A61;
    --color-accent: #0AA7FF;
    --color-link: #0563C1;
    --color-muted-accent: #446396;
    --color-surface: #ffffff;
    --color-border: #e5e5e7;
    --color-text-primary: #111827;
    --color-text-secondary: #374151;
    --color-text-tertiary: #86868b;
    --shadow-minimal: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.06);
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 2.5rem;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: -0.005em;
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
    background-color: var(--color-surface);
    position: relative;
}

/* Typography */
.reactions-section-title {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 18px;
    color: var(--color-primary-dark);
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.reactions-tag {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.reactions-tag.current {
    background-color: rgba(10, 167, 255, 0.08);
    color: var(--color-accent);
}

.reactions-tag.archive {
    background-color: rgba(68, 99, 150, 0.08);
    color: var(--color-muted-accent);
}

.reactions-section-title:hover .reactions-tag {
    opacity: 0.8;
}

.reactions-tag-icon {
    width: 8px;
    height: 8px;
    margin-right: 4px;
    fill: currentColor;
    opacity: 0.4;
    transition: opacity 0.2s ease;
}

.reactions-section-title:hover .reactions-tag-icon {
    opacity: 0.6;
}

/* Papers Grid */
.reactions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.reactions-paper {
    display: block;
    padding: var(--space-xl);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-minimal);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
    position: relative;
}

.reactions-paper:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
    border-color: rgba(10, 167, 255, 0.12);
    text-decoration: none;
}

.reactions-paper.archived {
    border-left: 2px solid var(--color-muted-accent);
}

.reactions-paper.archived:hover {
    border-left-color: var(--color-muted-accent);
    border-left-width: 3px;
}

.reactions-paper-title {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: var(--color-link);
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.005em;
    transition: all 0.2s ease;
}

.reactions-paper.archived .reactions-paper-title {
    color: var(--color-muted-accent);
}

.reactions-paper:hover .reactions-paper-title {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.reactions-paper-authors {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.reactions-paper-journal {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 1.4;
    color: var(--color-text-tertiary);
    font-style: italic;
    margin-bottom: var(--space-sm);
}

.reactions-paper-meta {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 12px;
    line-height: 1.4;
    color: var(--color-text-tertiary);
}

.reactions-year-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background-color: rgba(245, 245, 247, 0.8);
    color: var(--color-text-secondary);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 12px;
    opacity: 0.7;
}

.reactions-section {
    margin-bottom: var(--space-xl);
}

.reactions-section:first-child {
    margin-top: var(--space-lg);
}

.reactions-section:last-child {
    margin-bottom: 0;
}

.external-icon {
    width: 14px;
    height: 14px;
    margin-left: var(--space-xs);
    fill: currentColor;
    opacity: 0.4;
    transition: opacity 0.2s ease;
    display: inline-block;
    vertical-align: middle;
}

.reactions-paper:hover .external-icon {
    opacity: 0.6;
}

/* Pagination Styles */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    padding: var(--space-lg) 0;
}

.pagination-info {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: var(--color-text-tertiary);
    margin: 0 var(--space-md);
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-1px);
}

.pagination-btn.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-surface);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.pagination-nav {
    font-size: 16px;
}

/* Section Toggle */
.section-toggle {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    padding: 4px;
    background-color: rgba(245, 245, 247, 0.5);
    border-radius: var(--radius-md);
    width: fit-content;
}

.toggle-btn {
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-sm);
    background-color: transparent;
    color: var(--color-text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-btn.active {
    background-color: var(--color-surface);
    color: var(--color-primary-dark);
    box-shadow: var(--shadow-minimal);
}

/* Hidden state */
.hidden {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .reactions-container {
        padding: var(--space-xl) var(--space-lg);
    }
    .reactions-section-title {
        font-size: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    .reactions-paper {
        padding: var(--space-lg);
    }
    .reactions-year-badge {
        position: static;
        display: inline-block;
        margin-bottom: var(--space-sm);
    }
    .pagination-container {
        flex-wrap: wrap;
        gap: var(--space-xs);
    }
}

@media (max-width: 480px) {
    .reactions-container {
        padding: var(--space-lg) var(--space-md);
    }
    .reactions-paper-title {
        font-size: 15px;
    }
    .reactions-paper {
        padding: var(--space-md);
    }
}