/* Citation Tooltips Styling */
.citation-tooltip {
    position: absolute;
    background: var(--bg-primary);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0;
    z-index: 1050;
    min-width: 320px;
    max-width: 450px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    backdrop-filter: blur(8px);
}

.citation-tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Tooltip Header */
.citation-tooltip-header {
    background: var(--primary-gradient);
    color: white;
    padding: 12px 16px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.citation-tooltip-header i {
    font-size: 1rem;
    opacity: 0.9;
}

/* Tooltip Content */
.citation-tooltip-content {
    padding: 16px;
    background: var(--bg-primary);
}

.citation-tooltip-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.citation-tooltip-meta {
    display: grid;
    gap: 4px;
    margin-bottom: 12px;
    font-size: 0.85rem;
}

.citation-tooltip-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.citation-tooltip-meta-item i {
    width: 14px;
    font-size: 0.8rem;
    opacity: 0.7;
    flex-shrink: 0;
}

.citation-tooltip-meta-item strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* Open Access Badge */
.citation-tooltip-open-access {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: auto;
}

.citation-tooltip-open-access i {
    font-size: 0.7rem;
}

/* Tooltip Actions */
.citation-tooltip-actions {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border-top: 1px solid var(--border-light);
}

.citation-tooltip-action {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.citation-tooltip-action:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.citation-tooltip-action i {
    font-size: 0.75rem;
}

/* Primary action styling */
.citation-tooltip-action.primary {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    color: white;
}

.citation-tooltip-action.primary:hover {
    background: var(--primary-gradient);
    filter: brightness(1.1);
    border-color: var(--primary-dark);
}

/* Success feedback for copy action */
.citation-tooltip-action.copied {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-color: #22c55e;
    color: white;
}

/* Citation Link Styling */
.report-content-markdown a[href^="#paper-"] {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    border-radius: 3px;
    padding: 1px 2px;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}

.report-content-markdown a[href^="#paper-"]:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-dark);
}

.report-content-markdown a[href^="#paper-"].citation-loading {
    background: rgba(102, 126, 234, 0.05);
    color: var(--text-muted);
}

/* Tooltip positioning - clean rectangle design */

/* Mobile Responsive Design */
@media (max-width: 768px) {
    .citation-tooltip {
        min-width: 280px;
        max-width: 340px;
        font-size: 0.9rem;
    }
    
    .citation-tooltip-content {
        padding: 12px;
    }
    
    .citation-tooltip-actions {
        flex-direction: column;
        gap: 6px;
        padding: 10px 12px;
    }
    
    .citation-tooltip-action {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    
    .citation-tooltip-title {
        font-size: 0.9rem;
        -webkit-line-clamp: 3;
    }
    
    .citation-tooltip-meta {
        font-size: 0.8rem;
    }
}

/* Touch interaction for mobile */
@media (max-width: 768px) {
    .report-content-markdown a[href^="#paper-"] {
        padding: 4px 6px;
        margin: 0 1px;
        border-radius: 4px;
        background: rgba(102, 126, 234, 0.05);
    }
}

/* Loading state */
.citation-tooltip-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.citation-tooltip-loading i {
    margin-right: 8px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Error state */
.citation-tooltip-error {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .citation-tooltip {
        background: var(--bg-primary);
        border-color: var(--primary-color);
        backdrop-filter: blur(12px);
    }
    
    .citation-tooltip-content {
        background: var(--bg-primary);
    }
    
    .citation-tooltip-actions {
        background: var(--bg-secondary);
        border-top-color: var(--border-color);
    }
    
    .citation-tooltip-action {
        background: var(--bg-primary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
    
    .citation-tooltip-action:hover {
        background: var(--primary-color);
        border-color: var(--primary-color);
        color: white;
    }
    
    .report-content-markdown a[href^="#paper-"]:hover {
        background: rgba(102, 126, 234, 0.15);
    }
    
    @media (max-width: 768px) {
        .report-content-markdown a[href^="#paper-"] {
            background: rgba(102, 126, 234, 0.1);
        }
    }
}

/* Animation classes for dynamic tooltips */
.citation-tooltip.fade-in {
    animation: tooltipFadeIn 0.3s ease-out forwards;
}

.citation-tooltip.fade-out {
    animation: tooltipFadeOut 0.2s ease-in forwards;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes tooltipFadeOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-5px) scale(0.98);
    }
}

/* Tooltip positioning helper classes */
.citation-tooltip.pos-top {
    transform-origin: bottom center;
}

.citation-tooltip.pos-bottom {
    transform-origin: top center;
}

.citation-tooltip.pos-left {
    transform-origin: right center;
}

.citation-tooltip.pos-right {
    transform-origin: left center;
}