header {
    text-align: center;
    margin-bottom: 20px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 2rem;
}

.top-header {
    position: relative;
}

.header-row {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.query-toolbar {
    margin-top: 18px;

    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.toolbar-item {
    display: flex;
    align-items: center;
    gap: 10px;

    background: #f7faff;
    border: 1px solid #dce6f5;

    padding: 10px 16px;
    border-radius: 12px;

    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.toolbar-item input,
.toolbar-item select {
    border: none;
    background: transparent;

    font-size: 15px;
    font-weight: 600;

    color: #2c3e50;

    outline: none;
}