/* Recent Answers Button - Make it clearly clickable */
.nav-item[data-mode="recent"] {
    background: #f0f9ff;
    border: 1px solid #e0f2fe;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: relative;
}

.nav-item[data-mode="recent"]:hover {
    background: #e0f2fe;
    border-color: #2E7D32;
    transform: translateX(2px);
}

.nav-item[data-mode="recent"].active {
    background: #e8f5e9;
    border-color: #2E7D32;
    border-width: 2px;
}

/* Arrow indicator */
.nav-arrow {
    margin-left: auto;
    font-size: 1.5rem;
    color: #2E7D32;
    transition: transform 0.2s ease;
}

.nav-item:hover .nav-arrow {
    transform: translateX(3px);
}

/* Recent Preview Box */
.recent-preview {
    margin: 0.75rem 1rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
}

.recent-preview:hover {
    background: #f0f9ff;
    border-color: #2E7D32;
}

.recent-preview-empty {
    text-align: center;
    color: #9ca3af;
    font-style: italic;
    padding: 1rem;
}

.preview-q {
    color: #2E7D32;
    font-weight: 600;
    margin-right: 0.25rem;
}

.preview-question {
    color: #1f2937;
    font-weight: 500;
    display: block;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-a {
    color: #2E7D32;
    font-weight: 600;
    margin-right: 0.25rem;
}

.preview-answer {
    color: #6b7280;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-confidence {
    display: inline-block;
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    margin-top: 0.5rem;
    font-weight: 600;
}

.preview-confidence.high {
    background: #e8f5e9;
    color: #2e7d32;
}

.preview-confidence.medium {
    background: #fff3e0;
    color: #f57c00;
}

.preview-confidence.low {
    background: #ffebee;
    color: #d32f2f;
}