/* ========================================
   Research Page Specific Styles
   ======================================== */

/* Main content starts right after nav */
.research-main {
    background: var(--color-bg-light);
}

/* Research Papers - Compact for non-JMP */
.research-paper {
    background: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
    transition: none;  /* No hover effects */
}

.research-paper-compact {
    background: var(--color-bg);
    border-radius: 8px;
    padding: 0.75rem;  /* Much less padding - reduced from var(--spacing-xs) */
    margin-bottom: 0.5rem;  /* Much less margin between entries */
    transition: none;  /* No hover effects */
}

/* No hover effect */
.research-paper:hover,
.research-paper-compact:hover {
    box-shadow: none;
    border-color: inherit;
}

/* Featured Paper (Job Market Paper) - Removed blue label */
.research-paper.featured-simple {
    border: 2px solid var(--color-primary);  /* Blue border */
    position: relative;
    background: var(--color-bg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
}

/* Removed the ::before pseudo-element that created the blue label */

/* Paper Elements */
.paper-title {
    color: var(--color-text);
    font-size: 1.1rem;  /* Reduced from 1.25rem */
    margin-bottom: 0rem;  /* Much less margin */
    line-height: 1.2;  /* Tighter line height */
    font-weight: 500;
}

.paper-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;  /* Reduced gap */
    margin-bottom: 0.25rem;  /* Much less margin */
    font-size: 0.875rem;  /* Slightly smaller */
    color: var(--color-text-secondary);
    align-items: baseline;
}

.paper-meta span {
    display: flex;
    align-items: center;
}

.paper-status {
    background: var(--color-bg-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.paper-journal {
    font-style: italic;
    color: var(--color-primary);
}

.paper-coauthors {
    font-style: italic;
}

.paper-coauthors-inline {
    font-style: italic;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin: 0;  /* Very minimal margin */
}

/* Abstract Toggle Button */
.abstract-toggle {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0;  /* Less padding */
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition-fast);
    margin-bottom: 0rem;  /* Less margin */
    margin-top: 0rem;
}

.abstract-toggle:hover {
    color: var(--color-primary-dark);
}

.abstract-toggle .toggle-icon {
    transition: transform 0.3s ease;
}

.abstract-toggle.expanded .toggle-icon {
    transform: rotate(180deg);
}

.toggle-text {
    user-select: none;
}

/* Paper Abstract */
.paper-abstract {
    margin: var(--spacing-xs) 0;
}

.paper-abstract h4 {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.paper-abstract p {
    text-align: left;
    line-height: 1.6;  /* Slightly tighter */
    color: var(--color-text);
}

/* Collapsible Abstract */
.paper-abstract-collapsible {
    margin: 0;  /* Less margin */
    padding: 0.75rem;  /* Less padding */
    background: var(--color-bg-light);
    border-radius: 4px;
    border-left: 3px solid var(--color-primary);
}

.paper-abstract-collapsible p {
    text-align: left;
    line-height: 1.6;  /* Tighter line height */
    color: var(--color-text);
    margin: 0;
    font-size: 0.9rem;  /* Slightly smaller text */
}

/* Paper Links */
.paper-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.paper-link {
    color: var(--color-primary);
    font-weight: 500;
    font-size: 0.875rem;
    padding-right: var(--spacing-xs);
    border-right: 1px solid var(--color-border);
}

.paper-link:last-child {
    border-right: none;
}

.paper-link:hover {
    text-decoration: underline;
}

/* Work in Progress Items - More Compact */
.research-item {
    padding: 0;  /* Minimal padding */
    margin-bottom: 0rem;  /* Much reduced spacing between items */
    background: var(--color-bg);
    border-radius: 4px;
   transition: none;  /* No hover effects */

}

.research-item .paper-title {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;  /* Very minimal margin */
}

/* Section spacing adjustments for compactness */
.section {
    padding: 1.5rem 0;  /* Reduced from var(--spacing-xl) */
    background: var(--color-bg);
}

.section-first {
    padding-top: 2rem;  /* Reduced from var(--spacing-xxl) */
}

.section-title {
    margin-bottom: 1rem;  /* Reduced from var(--spacing-lg) */
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }
    
    .paper-title {
        font-size: 1rem;
    }
    
    .paper-links {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .paper-links .btn {
        width: 100%;
        text-align: center;
    }
    
    .paper-meta {
        flex-direction: column;
        gap: 0.25rem;
    }
}