.tool-inner-nav {
    margin-bottom: 40px;
}

.search-container {
    margin-bottom: 60px;
    position: relative;
}

.search-box {
    outline: none;
    background: var(--header-bg-80);
}

.search-status {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 14px;
    margin-right: 20px;
}

#symbolContent {
    margin-top: 20px;
}

.symbol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.symbol-section {
    margin-bottom: 30px;
    background: var(--bg-color-50);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color-10);
}

.symbol-section h2 {
    margin-bottom: 20px;
    color: var(--text-color);
    font-size: 18px;
}

.sub-category {
    margin-bottom: 20px;
}

.sub-category h3 {
    margin-bottom: 15px;
    color: var(--text-secondary);
    font-size: 16px;
}

.symbol-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    background-color: var(--bg-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 24px;
    border: 1px solid var(--border-color-10);
}

.symbol-item:hover {
    background-color: var(--bg-color-80);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .symbol-grid {
        grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    }
    
    .symbol-item {
        height: 50px;
        font-size: 20px;
    }
    
    .search-box {
        font-size: 14px;
        padding: 8px 12px;
    }
}